SUBSTITUTES OR REFRIGERANT ADDITIVES. DO NOT ... - HVAC …

© 2011 Trane

NOTICE: Since the manufacturer has a policy of continuous product and product data improvement, it reserves the right to change design and specifications without notice.

Hyperion Field Reference Data TAM7

IMPORTANT --- This document contains a wiring diagram and service information. This is customer property and is to remain with this unit. Please return to service information pack upon completion of work.

HAZARDOUS VOLTAGE - DISCONNECT POWER BEFORE SERVICINGWARNING:For use with BAYEV or BAYW series heaters ONLY

� WARNING!SAFETY HAZARD! This information is intended for use by individuals possessing adequate backgrounds of electrical and mechanical experience. Any attempt to repair a central air condition-ing product may result in personal injury and/or property damage. The manufacture or seller cannot be responsible for the interpreta-tion of this information, nor can it assume any liability in connection with its use.

PRESSURIZED REFRIGERANT! SYSTEM CONTAINS OIL AND REFRIGERANT UNDER HIGH PRESSURE. RECOVER REFRIGERANT TO RELIEVE PRESSURE BEFORE OPENING THE SYSTEM.

DO NOT USE NON-APPROVED REFRIGERANTS OR REFRIGERANT SUBSTITUTES OR REFRIGERANT ADDITIVES.

� WARNING!

LIVE ELECTRICAL COMPONENTS! During instal-lation, testing, servicing, and troubleshooting of this product, it may be necessary to work with live electrical components. Failure to fol-low all electrical safety precautions when exposed to live electrical components could result in death or serious injury.

� WARNING! Note: This unit is certified to UL 1995. The interior cabinet wall meets the following: - UL94-5VA Flame Class Listed - UL723 Steiner Tunnel Listed for 25/50 Flame/Smoke - UL746C Listed for Exposure to Ultraviolet Light, Water Exposure and Immersion

Table of ContentsProduct Specifications. .................................................................................................... 2Wiring Diagram. ............................................................................................................... 3Sequence of Operation. ................................................................................................... 4Control Layout - Refrigerant Dip Switches....................................................................... 7Airflow Performance. ...................................................................................................... 10Heater Attribute Data. .................................................................................................... 16Control Layout - LEDs. ................................................................................................... 19EEV Test Procedures. .................................................................................................... 24EVC Thermal Resistance and Voltage Table. ................................................................ 25Troubleshooting. ............................................................................................................ 26

* May be "A" or "T"

Air Handler - ConvertibleModels: Series 7 Air Handlers 2-5 Ton*AM7A0A24H21SA, *AM7A0B30H21SA*AM7A0C36H31SA, *AM7A0C42H31SA*AM7A0C48H41SA, *AM7A0C60H51SA

TAM72

PRODUCT SPECIFICATIONSMODEL RATED VOLTS/PH/HZ. RATINGS 1INDOOR COIL — Type Rows — F.P.I. Face Area (sq. ft.) Tube Size (in.) Refrigerant Control Drain Conn. Size (in.) 2DUCT CONNECTIONS INDOOR FAN — Type Diameter-Width (In.) No. Used Drive - No. Speeds CFM vs. in. w.g. No. Motors — H.P. Motor Speed RPM Volts/Ph/Hz F.L. Amps FILTERFilter Furnished? Type Recommended No.-Size-Thickness REFRIGERANT Ref. Line Connections Coupling or Conn. Size — in. Gas Coupling or Conn. Size — in. Liq. DIMENSIONS Crated (In.) Uncrated WEIGHTShipping (Lbs.) / Net (Lbs.)

*AM7A0A24H21SA200-230/1/60

See O.D. SpecificationsPlate Fin

3 - 143.673/8

EEV 3/4 NPT

See Outline DrawingCentrifugal

11 X 8 1

Direct - Variable See Fan Performance Table

1 - 1/2Variable ECM208-230/1/60

3.0

NoThrowaway

1 - 16 X 20 - 1 in.R-410ABrazed

3/43/8

H x W x D51.5 x 19.0 x 23.5 49.9 x 17.5 x 21.75

127/116

*AM7A0B30H21SA200-230/1/60


3 - 145.043/8

EEV 3/4 NPT


11 X 10 1


1 - 1/2Variable ECM208-230/1/60

3.0

NoThrowaway

1 - 20 X 20 - 1 in.R-410ABrazed

3/43/8

H x W x D56.5 x 23 x 23.5

55.7 x 21.3 x 21.75

150/138

*AM7A0C36H31SA200-230/1/60


3 - 145.503/8

EEV 3/4 NPT


11 X 10 1


1 - 1/2Variable ECM208-230/1/60

3.0

NoThrowaway

1 - 22 X 20 - 1 in.R-410ABrazed

7/83/8

H x W x D57.25 x 25.25 x 23.5 56.9 x 23.5 x 21.75

157/146

PRODUCT SPECIFICATIONSMODEL RATED VOLTS/PH/HZ. RATINGS 1INDOOR COIL — Type Rows — F.P.I. Face Area (sq. ft.) Tube Size (in.) Refrigerant Control Drain Conn. Size (in.) 2DUCT CONNECTIONS INDOOR FAN — Type Diameter-Width (In.) No. Used Drive - No. Speeds CFM vs. in. w.g. No. Motors — H.P. Motor Speed RPM Volts/Ph/Hz F.L. Amps FILTERFilter Furnished? Type Recommended No.-Size-Thickness REFRIGERANT Ref. Line Connections Coupling or Conn. Size — in. Gas Coupling or Conn. Size — in. Liq. DIMENSIONS Crated (In.) Uncrated WEIGHTShipping (Lbs.) / Net (Lbs.)

*AM7A0C42H31SA200-230/1/60


4 - 145.043/8

EEV 3/4 NPT


11 X 10 1


1 - 1/2Variable ECM208-230/1/60

3.0

NoThrowaway

1 - 22 X 20 - 1 in.R-410ABrazed

7/83/8

H x W x D57.25 x 25.25 x 23.5 56.9 x 23.5 x 21.75

162/151

*AM7A0C60H51SA200-230/1/60


4 - 145.963/8

EEV 3/4 NPT


11 X 10 1


1 - 3/4Variable ECM208-230/1/60

5.5

NoThrowaway

1 - 22 X 20 - 1 in.R-410ABrazed

7/83/8

H x W x D62.75 x 25.25 x 23.5 61.7 x 23.5 x 21.75

175/163

*AM7A0C48H41SA200-230/1/60


4 - 145.963/8

EEV 3/4 NPT


11 X 10 1


1 - 3/4Variable ECM208-230/1/60

4.2

NoThrowaway

1 - 22 X 20 - 1 in.R-410ABrazed

7/83/8

H x W x D62.75 x 25.25 x 23.5 61.7 x 23.5 x 21.75

175/163

* May be "A" or "T"1 These Air Handlers are AHRI certified with various Split System Air Conditioners and Heat Pumps (AHRI STANDARD 210/240). 2 3/4" Male Plastic Pipe (Ref.: ASTM 1785-76)

TAM73

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TAM74

SEQUENCE OF OPERATION FOR *AM7 AIR HANDLERS

3. R-G contacts close on comfort control sending 24VAC to the G terminal of the AFC.

4. The AFC micro-processor sends a command to the serial communicating blower motor to run at 1st stage heating cfm.

5. R-Y2 contacts close on the comfort control sending 24VAC to Y2 terminal on the AFC.

6. The Y2 signal is also passed through to provide power to the outdoor unit 2nd stage control circuit.

7. The blower motor will now run at 100% of the heating cfm.

OD Single Stage (cooling mode)1. R-Y contacts close on the comfort control sending

24VAC to Y1 terminal on the AFC.

2. Normally closed contacts on the AFC will pass 24VAC to the YO terminal providing power to the outdoor unit control circuit.

a. Heatpump OD = R-O contacts close on the comfort control sending 24VAC to the O terminal of the AFC. The AFC communicates to the EVC that the system is in cooling mode. The O signal is passed through to the OD unit.

b. Non heatpump OD = OD dip switch configuration will communicate to the EVC to control superheat on a Y only signal.


4. The AFC micro-processor sends a command to the serial communicating blower motor to run at 100% of the cool-ing cfm.

5. The EVC will receive input from the two temperature sen-sors and start to control superheat.

OD Two Stage (cooling mode)1. R-Y1 contacts close on the comfort control sending

24VAC to Y1 terminal on the AFC. The AFC communi-cates to the EVC to control superheat for 1st stage.

2. Normally closed contacts on the AFC will pass 24VAC to the YO terminal providing power to the outdoor unit 1st stage control circuit.

a. Heatpump OD = R-O contacts close on the comfort control sending 24VAC to the O terminal of the AFC. The AFC communicates to the EVC that the system is in cooling mode. The O signal is passed through to the OD unit.

b. Non heatpump OD = OD dip switch configuration will communicate to the EVC to control superheat on a Y only signal.


4. The AFC micro-processor sends a command to the se-rial communicating blower motor to run at the 1st stage cooling cfm. (1st stage cooling cfm is a multiplier of 2nd stage cfm)

5. The EVC will receive input from the two temperature sen-sors and start to control 1st stage superheat.

AM7 Sequence of OperationAbbreviations•AFC=AirflowControl

•EVC=ExpansionValveControl

•EEV=ElectronicExpansionValve

•EHC=ElectricHeatControl

•YI=Ysignalfromthecomfortcontrol

•YO=YsignaloutoftheAFCfromthecomfortcontrol

•Y2=Y2signalfromcomfortcontrol

This unit has unique a feature that receives 24VAC analog inputs from a conventional comfort control and then converts these inputs to serial communicating signals between the different controls within the air handler.

The installing and servicing technician should have an understanding of the sequence of operation to be able to properly setup and diagnose functions of the air handler.

The dip switch settings on the control boards must be prop-erly set to obtain the correct sequence of operation. Reference the air handler and electric heat wiring dia-grams and dip switch configuration chart for additional information.

See unit, electric heat, and field wiring diagrams for ad-ditional information.

Continuous Fan

IMPORTANT: If the indoor air exceeds 60% relative humidity or simply feels uncomfortably humid, it is recommended that the indoor fan only be used in the AUTO mode.


2. The AFC micro-processor sends a command to the serial communicating blower motor to run at 50%.

SeeairflowDipSwitchsettingsforadditionalinfo.

Heatpump OD Single Stage (heating mode)1. R-Y contacts close on the comfort control sending




4. The AFC micro-processor sends a command to the serial communicating blower motor to run at 100%.

Heatpump OD Two Stage (heating mode)1. R-Y1 contacts close on the comfort control sending



TAM75

6. R-Y2 contacts close on the comfort control sending 24VAC to Y2 terminal on the AFC. The AFC communi-cates to the EVC to control superheat for 2nd stage.

7. The Y2 signal is passed through to provide power to the outdoor unit 2nd stage control circuit.

8. The blower motor will now run at 100% of the cooling cfm.

Cooling OD 1 stage1. R-Y contacts close on the comfort control sending




4. The AFC micro-processor sends a command to the se-rial communicating blower motor to run at 100% of the cooling cfm.

5. The EVC will receive input from the two temperature sensors and start to control superheat.

Cooling OD Two stage 1. R-Y1 contacts close on the comfort control sending

24VAC to Y1 terminal on the AFC. The AFC communi-cates to the EVC to control superheat for 1st stage.



4. The AFC micro-processor sends a command to the se-rial communicating blower motor to run at the 1st stage cooling cfm. (1st stage cooling cfm is a multiplier of 2nd stage cfm)

5. The EVC will receive input from the two temperature sensors and start to control 1st stage superheat.

6. R-Y2 contacts close on the comfort control sending 24VAC to Y2 terminal on the AFC. The AFC communi-cates to the EVC to control superheat for 2nd stage.

7. The Y2 signal is passed through to provide power to the outdoor unit 2nd stage control circuit.

8. The blower motor will now run at 100% of the cooling cfm.

Electric Heat 1. R-W contacts close on the comfort control sending

24VAC to W1 of the AFC.

2. R-G contacts close on the comfort control sending 24VAC to G of the AFC.

3. The AFC communicates to the EHC that 1st stage elec-tric heat is being called upon.

4. The EHC determines the number of elements that are used for 1st stage and sends a message to the AFC for that correct cfm. (The EHC determines the amount of heat per stage by either factory programming or by the kw jumper position)

5. The AFC micro-processor sends a command to the serial communicating blower motor to run and close the blower interlock relay on the EHC. The blower motor will now run at the W1 electric heat cfm.

6. On subsequent calls for W2 and/or W3, the EHC will communicatetotheAFCtherequiredairflowrequestandenergize the additional relays.

NOTE: The EHC has “lead-lag” logic built in that energizes the electric heat relays based upon cycle counts.

For example: BAYEV**15 – The first time W1 only is ener-gized; the K1 relay would close and energize the “A” heater. The second time W1 only is energized; the K2 relay would close and energize the “B” heater. The third time W1 only is energized; the K3 relay would close and energize the “C” heater.

Defrost1. The OD unit will initiate defrost and send 24VAC to the O

terminal of the AFC.

2. The AFC will communicate to the EVC that the OD is in defrost and the EVC will start to maintain the correct superheat.

3. X2 from the OD will send 24VAC to W1 of the AFC.

4. The AFC communicates to the EHC that 1st stage elec-tric heat is being called upon.

5. The EHC determines the number of elements that are used for 1st stage and sends a message to the AFC for that correct cfm.

Optional Condensate Switch1. An optional OEM condensate switch can be installed

within the unit. This switch is only available through the National Distribution Center or Global Parts.

2. Switch contacts are normally open and close when water levelrises.Theclosedswitchwillinterruptcurrentflowtothe YO terminal and de-energize the OD unit.

3. Switch is only operational during cooling mode. Conden-sateoverflowisnotoperationalduringheatingordefrostmodes.

Standard aftermarket condensate switches cannot be used within the unit but can be installed exterior of the unit. Switch should be wired in series with YO wiring to the OD unit.

Freeze Protection1. The EVC control has the ability to sense when the coil is

beginning to ice. When this event occurs, the contacts to the YO circuit will open and de-energize the OD unit.

2. The indoor blower motor will continue to run to aid in defrosting the coil. After 20 minutes, the YO contacts will close and cooling operation will begin again.

Blower Delays1. Blower delays can be set to enhance system efficiency.

See S2 dip switch settings table.

TAM76

Pb

FAULT

UNIT

483332

1716 1

64

49

B K Jumper

TEST

TRANE U.S. INC.

VDD

PGD

MCLR

VSS

PGC

3.3V

SCLSDA

GND

HUMPART NO. LABEL

BAR CODE

12

34

5

STATUSYo Jumper

+13.8V

C60

C59

R57 R58

R64R65

R76R78

S3

R110

R41

R68C40

R93

R109

R12

R55

R23

R20

R49

R13

R14

D23

D19D18

C46

C39

C6

C23

R80

R71

R67

R52

R75R72

C41

R61

Q6

Q7

R1

R33

R34

J4

Q1

X1

U4

U3

TZ2

T2T1

R99

R98

R97

R60

R96

R95

R21

R91

R87

R88R70

R86

R83

R81

R66

R79

R77

R54

R103R106

R4

R104

R51

R5

R47

R42

R39

R82

R37

R35

R31

R74R89

R25 R18

R19

R10

R9

R8R3

R2

R5

R7

Q8

MOV1

L2

L3

K1

J3

J6

J9

D36

D35

D1

D22

D29

D25

D24

D7 D4

D2

D28

C57

C54

C51

C49C48

C47C52

C43

C42

C36

C35

C34

C31

C30C29

C7C3

C2

C1

U1

C58

R105

C50

U2

R24 R17

D6 D3

R NET

R NET 2

R73

1

J8

YoR

BOY1

J1

W2W1

R63R62R56

D21D20 C32C33

R38 R36

R16R15

R32

R11R28 R27R26

D13

D12

D5D11

D10

C24C25

C4C5C16C17 D8

R50R45

R85 R84

D16D15

D31D30

C26C27

C44C45

D32

D33

R94

R100

R101

R10

7

K2

R6

C53

C22

C19

C15

C12

C9

C8

C11

C14

C18

C21

D26

R69

C37

C38

L1

R102

D27

R40

R46R43

Q3Q

11

HP

OU

Airflow Control (AFC)

Unit Test ButtonUnit Test ModeUnit Test Mode will exit if any demand is given to the unit.

To enter Unit Test Mode:

1. Set System Switch on comfort control to Off

2. Cycle power to the unit, wait 5 seconds

3. Within thirty seconds, press and hold the Unit Test But-ton for 1-2 seconds

Sequence of Unit Test Mode 1. EVC drives the EEV motor to the 1st stage position for

5 seconds

2. EVC drives the EEV motor to the 2nd stage position for 5 seconds

3. AFC energizes the blower at 50% and then continues torampuntilitreaches100%coolingairflow.Humidifiercontacts close when the blower starts

4. EHC energizes the W1, W2, and W3 circuit relay(s) for 5 seconds in 5 second intervals

5. All relays de-energize and the blower shuts off after five seconds.

IfafaultoccursduringtheUnitTestMode,theLEDwillflashthe code and continue the test

Fault ReportingThis unit stores the last four faults that have occurred. Each

device will report the last four faults after each power cycle of the unit. See the Fault Table section in the Service Facts for a list of fault codes

Clearing FaultsTo clear the last four faults of all control boards:

1. Press and hold the Unit Test Button for 10-12 seconds.

2. Release the Unit Test button and “wait” 5 seconds.

3. Cycle 230VAC power to the unit. (the blower panel can be removed to achieve this)

TAM77

Refrigerant Switch SW1

• Set the system refrigerant to either R-410A or R-22 using the Refrigerant Switch located on the Expan-sion Valve Control board (EVC) in the Control Pocket.

• Factory default is R-410A.

• Note: The power must be shut off and then re-applied in order for the EVC to recognize the change.

Wire TiesPb

FAULT

UNIT

483332

1716 1

64

49

BK Jumper

TEST

TRANE U.S. INC.

VDD

PGD

MCLR

VSS

PGC

3.3V

SCLSDA

GND

HUM

5V

MOTOR

GND

RX

TX

+12V

PART NO. LABEL

BAR CODE

12

34

5

12

34

5STATUS

Yo Jumper

+12V

+13.8V

C60

C59

R57 R58

R64R65

R76R78

C20

C28

C55

S3

R110

R59

R41

R68C40

R108

R93

R109

R12

R55

R23

R20

R49

R13

R14

D23

D19D18

C46

C39

C6

C23

R80

J13

R71

R67

R52

R75R72

Q2

C41

R61

Q6

Q7

R1

R33

R34

J4

Q1

X1

U5

U4

U3

TZ2

T2T1

R99

R98

R97

R60

R96

R95

R21

R91

R87

R88R70

R86

R83

R81

R66

R79

R77

R54

R103R106

R4

R104

R51

R53

R48

R47

R44

R42

R39

R82

R37

R35

R31

R30

R74R89

R25 R18

R19

R10

R9

R8R3

R2

R5

R7

Q8

Q4

PTC

1

MOV1

L2

L3

K1

J3

J6

J9

D36

D35

D34

D1

D22

D29

D25

D24

D7 D4

D2

D28

C57

C54

C56

C51

C49C48

C47C52

C43

C42

C36

C35

C34

C31

C30C29

C13

C7C3

C2

C1

U1

C58

R105

C50

U2

J7

R24 R17

D6 D3

D14

D17

R NET 1

R NET 2

R73

1

J8

YoR

BOY1

J1

W2W1

R63R62R56

D21D20 C32C33

R38 R36

R16R15

R32

R11R28 R27R26

D13

D12

D5D11

D10

C24C25

C4C5C16C17 D8

R50R45

R85 R84

D16D15

D31D30

C26C27

C44C45

D32

D33

R94

R100

R101

R10

7

R29

K2

R6

C53

C22

C19

C15

C12

C9

C8

C11

C14

C18

C21

D26

R69

C37

C38

C10

D9

L1

R102

D27

R40

R22

R46R43

Q3Q5

11

HP

2 (Compressor)2 (Stages)AC (System)

} Capacity (Tons)

OUTDOOR

}

Torque

CFM/Ton

Cool Off Delay }

INDOOR

CFM

S1on

on

S2

S2 Dip Switch

S1 Dip Switch

SW1 Dip Switch

SW1 Dip Switch

Pb

FAULT

UNIT

483332

1716 1

64

49

BK Jumper

TEST

TRANE U.S. INC.

VDD

PGD

MCLR

VSS

PGC

3.3V

SCLSDA

GND

HUM

5V

MOTOR

GND

RX

TX

+12V

PART NO. LABEL

BAR CODE

12

34

5

12

34

5

STATUSYo Jumper

+12V

+13.8V

C60

C59

R57 R58

R64R65

R76R78

C20

C28

C55

S3

R110

R59

R41

R68C40

R108

R93

R109

R12

R55

R23

R20

R49

R13

R14

D23

D19D18

C46

C39

C6

C23

R80

J13

R71

R67

R52

R75R72

Q2

C41

R61

Q6

Q7

R1

R33

R34

J4

Q1

X1

U5

U4

U3

TZ2

T2T1

R99

R98

R97

R60

R96

R95

R21

R91

R87

R88R70

R86

R83

R81

R66

R79

R77

R54

R103R106

R4

R104

R51

R53

R48

R47

R44

R42

R39

R82

R37

R35

R31

R30

R74R89

R25 R18

R19

R10

R9

R8R3

R2

R5

R7

Q8

Q4

PTC

1

MOV1

L2

L3

K1

J3

J6

J9

D36

D35

D34

D1

D22

D29

D25

D24

D7 D4

D2

D28

C57

C54

C56

C51

C49C48

C47C52

C43

C42

C36

C35

C34

C31

C30C29

C13

C7C3

C2

C1

U1

C58

R105

C50

U2

J7

R24 R17

D6 D3

D14

D17

R NET 1

R NET 2

R73

1

J8

YoR

BOY1

J1

W2W1

R63R62R56

D21D20 C32C33

R38 R36

R16R15

R32

R11R28 R27R26

D13

D12

D5D11

D10

C24C25

C4C5C16C17 D8

R50R45

R85 R84

D16D15

D31D30

C26C27

C44C45

D32

D33

R94

R100

R101

R10

7

R29

K2

R6

C53

C22

C19

C15

C12

C9

C8

C11

C14

C18

C21

D26

R69

C37

C38

C10

D9

L1

R102

D27

R40

R22

R46R43

Q3Q5

11

HP


} Capacity (Tons)

OUTDOOR

}

Torque

CFM/Ton

Cool Off Delay }

INDOOR

CFM

S1on

on

S2


Distribution Board

Electronic Expansion Valve Control (EVC)

Electronic Expansion Valve Control (EVC)

Control Layout

TAM78

Dip Switch S1 • Set the S1-1 and S1-2 dip switches for the OD multiplier (tonnage) per the chart.

NOTE: All dip switches are factory set to “OFF”.

INDOOR MODEL S1‐1 S1‐2 OD MULTIPLIEROFF OFF 2OFF ON 1.5ON OFF 2.5ON ON 3

OFF OFF 2OFF ON 1.5ON OFF 2.5ON ON 3

OFF OFF 3OFF ON 2ON OFF 2.5ON ON 3.5

OFF OFF 3.5OFF ON 2.5ON OFF 3ON ON 4

OFF OFF 4OFF ON 3ON OFF 3.5ON ON 4.5**

OFF OFF 4.5**OFF ON 3.5ON OFF 4ON ON 5

* May be "A" or "T"

** Not an actual OD size

NOTE: The OD multiplier in conjuction with the CFM/TON can be used to adjust total airflow for your application. Example: 4.5T x 370 CFM/TON = 1665 CFM

*AM7A0C42H31SA

*AM7A0C48H41SA

*AM7A0C60H51SA

*AM7A0A24H21SA

*AM7A0B30H21SA

*AM7A0C36H31SA

• Set the S1-3 dip switch for AC or HP.

OD TYPE S1‐3HP OFFAC ON

S1


11

12

34

5

12

34

5

HP


}

OUTDOOR

Capacity (Tons)

OUTDOOR

}

Torque

CFM/Ton

Cool Off Delay }

INDOOR

CFM

+12V

R13

R14

R1

R4

1

U1

R NET 1S1

on

on

S2

R NET 2

R6

C22

C19

C15

C12

C18

C21

C10

D9

L1

R22

• Set the S1-4 dip switch for the number of stages on the outdoor unit.

OD STAGES S1‐41 OFF2 ON

• Set the S1-5 dip switch for the number of compressors.

# COMPRESSORS S1‐51 OFF2 ON

16 SEER = 1 Compressor19 SEER = 2 Compressors20 SEER = 2 Compressors

16 SEER = 2 Stages19 SEER = 2 Stages20 SEER = 2 Stages

• Note: This dip switch should be changed while the power is off or no demand is present. The power must be shut off and then re-applied in order for the AFC to recognize the change.

TAM79

Dip Switch S2 • Set the S2-1 and S2-2 dip switches for the Cooling and Heating CFM/Ton.

• Set the S2-3 and S2-4 dip switches for the Blower Off Delay.

BLOWER OFF DELAY S2‐3 S2‐41.5m @ 100% OFF OFFNO DELAY OFF ON3m @ 50% ON OFFENHANCED ON ON

AIRFLOW MODE S2‐5*TORQUE OFF

CONSTANT CFM ON

• Set the S2-5 dip switch for the airflow mode.

Indoor Blower TimingThis ENHANCED MODE selection provides a ramping up and ramping down of the blower speed to provide im-proved comfort, quietness, and potential energy savings. The graph on the right shows the ramping process.Enhanced Mode works in cooling, HP, heating, Torque, and constant CFM modes.

OFF OFF

50%

80%

100% if necessary

50%

Dehumidify

Fast Coil CoolingEfficiency

7.5minutes

3minutes

1minute

FA

N O

PE

RA

TIO

N (

CF

M)

COMPRESSOR OPERATION ON OFF

as required

S2

11

12

34

5

12

34

5HP


}

OUTDOOR

Capacity (Tons)

OUTDOOR

}

Torque

CFM/Ton

Cool Off Delay }

INDOOR

CFM

+12V

R13

R14

R1

R4

1

U1

R NET 1S1

on

on

S2

R NET 2

R6

C22

C19

C15

C12

C18

C21

C10

D9

L1

R22


* Torque mode is optional and is recommended for high static applications. High static conditions dramatically increase energy consumption with variable speed motors. Evaluate the blower performance table in relationship to the duct system to determine the benefit of each installation.

*Forthe2tonairhandler,torquemodewillreduceairflowwhenstatic is above approximately 0.3" water column.* For the 2-1/2, 3, and 3-1/2 ton air handlers, torque mode will reduceairflowwhenstaticisaboveapproximately0.35”watercolumn.*Forthe4and5tonairhandlers,torquemodewillreduceairflowwhen static is above approximately 0.4” water column.

When selected, Torque Mode is used for cooling operation only. All heating modes default to constant CFM.

INDOOR MODEL S2‐1 S2‐2COOLING CFM/TON

HEATING CFM/TON

OFF OFF 400 430OFF ON 360 390ON OFF 380 410ON ON 420 450






* May be "A" or "T"

*AM7A0C60H51SA

*AM7A0A24H21SA

*AM7A0B30H21SA

*AM7A0C36H31SA

*AM7A0C42H31SA

*AM7A0C48H41SA

TAM710

*AM

7A0A

24 A

IRF

LO

W P

ER

FO

RM

AN

CE

CO

NS

TAN

T C

FM

MO

DE

/ C

ON

STA

NT

TO

RQ

UE

MO

DE

OU

TD

OO

RM

ULT

IPLI

ER

(TO

NS

)

CO

OLI

NG

A

IRF

LOW

SE

TT

ING

Airfl

owP

ower

EX

TE

RN

AL

STA

TIC

PR

ES

SU

RE

HE

ATIN

G

AIR

FLO

WS

ET

TIN

G

Airfl

owP

ower

EX

TE

RN

AL

STA

TIC

PR

ES

SU

RE

0.1

0.3

0.5

0.7

0.9

0.1

0.3

0.5

0.7

0.9

1.5

tons

360

CF

M/to

nC

FM

Wat

ts54

2 / 6

5238

/ 59

547

/ 559

67 /

7154

8 / 4

0710

1 / 7

854

7 / N

A13

7 / N

A54

1 / N

A17

5 / N

A39

0 C

FM

/ton

CF

MW

atts

586

4659

980

600

115

599

153

595

192

380

CF

M/to

nC

FM

Wat

ts57

4 / 6

7943

/ 65

583

/ 593

75 /

7858

7 / 4

6411

0 / 8

758

8 / 1

6714

8 / 9

458

1 / N

A18

5 / N

A41

0 C

FM

/ton

CF

MW

atts

618

5363

388

636

124

637

163

629

202

400

CF

M/to

nC

FM

Wat

ts60

5 / 7

0549

/ 71

618

/ 626

82 /

8562

4 / 5

1311

9 / 9

662

5 / 3

2515

8 / 1

0161

8 / N

A19

6 / N

A43

0 C

FM

/ton

CF

MW

atts

650

5966

596

669

134

672

174

660

212

420

CF

M/to

nC

FM

Wat

ts63

6 / 7

3155

/ 78

651

/ 658

90 /

9365

9 / 5

5612

8 / 1

0566

0 / 4

0616

8 / 1

1265

3 / N

A20

7 / N

A45

0 C

FM

/ton

CF

MW

atts

681

6669

610

470

314

470

418

569

622

5

2 to

ns †

360

CF

M/to

nC

FM

Wat

ts72

3 / 8

0975

/ 10

174

3 / 7

4611

5 / 1

1875

4 / 6

6615

8 / 1

3375

6 / 5

6320

1 / 1

4474

8 / 4

2824

2 / 1

5339

0 C

FM

/ton

CF

MW

atts

780

9480

013

780

918

281

122

780

226

838

0 C

FM

/ton

CF

MW

atts

761

/ 843

86 /

113

782

/ 784

128

/ 131

793

/ 710

172

/ 146

796

/ 617

216

/ 159

788

/ 500

259

/ 168

410

CF

M/to

nC

FM

Wat

ts81

810

683

815

184

819

885

124

484

228

740

0 †

CF

M/to

nC

FM

Wat

ts79

9 / 8

7797

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582

0 / 8

2114

1 / 1

4483

2 / 7

5118

7 / 1

6183

5 / 6

6623

3 / 1

7482

7 / 5

6127

6 / 1

8343

0 C

FM

/ton

CF

MW

atts

856

119

876

167

887

215

889

262

881

307

420

CF

M/to

nC

FM

Wat

ts83

6 / 9

1110

9 / 1

3985

8 / 8

5815

5 / 1

5887

0 / 7

9220

3 / 1

7587

3 /7

1225

0 / 1

8986

6 / 6

1529

4 / 1

9945

0 C

FM

/ton

CF

MW

atts

894

134

913

183

925

233

927

282

920

327

2.5

tons

360

CF

M/to

nC

FM

Wat

ts89

2 / 9

7913

0 / 1

6891

4 / 9

3017

9 / 1

8992

7 / 8

6922

9 / 2

0793

0 / 7

9627

8 / 2

2292

3 / 7

0932

4 / 2

3239

0 C

FM

/ton

CF

MW

atts

964

164

986

218

997

271

1000

322

992

370

380

CF

M/to

nC

FM

Wat

ts93

9 / 1

024

149

/ 190

962

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201

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974

/ 918

253

/ 230

978

/ 849

304

/ 244

971

/ 766

351

/ 255

410

CF

M/to

nC

FM

Wat

ts10

1318

810

3424

410

4529

910

4935

310

4040

040

0 C

FM

/ton

CF

MW

atts

986

/ 107

017

0 / 2

1510

09 /

1023

225

/ 236

1022

/ 96

727

9 / 2

5510

26 /

901

332

/ 270

1019

/ 82

138

0 / 2

8043

0 C

FM

/ton

CF

MW

atts

1063

214

1083

273

1095

331

1097

385

1089

434

420

CF

M/to

nC

FM

Wat

ts10

35 /

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194

/ 242

1058

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1 / 2

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71 /

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308

/ 282

1074

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2 / 2

9710

66 /

877

411

/ 307

450

CF

M/to

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FM

Wat

ts11

1424

311

3530

511

4536

511

4542

011

3546

9

3 to

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360

CF

M/to

nC

FM

Wat

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65 /

1148

209

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1088

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9 / 2

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01 /

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327

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538

2 / 3

1510

95 /

910

431

/ 325

390

CF

M/to

nC

FM

Wat

ts11

6027

211

8133

711

9039

711

8945

311

5748

638

0 C

FM

/ton

CF

MW

atts

1126

/ 12

0924

4 / 3

0111

49 /

1164

307

/ 322

1160

/ 11

1136

7 / 3

4111

61 /

1050

423

/ 355

1151

/ 97

847

2 / 3

6441

0 C

FM

/ton

CF

MW

atts

1225

317

1244

384

1249

444

1230

486

1146

477

400

CF

M/to

nC

FM

Wat

ts11

90 /

1271

285

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0 / 3

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20 /

1175

412

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1218

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1546

7 / 3

9911

64 /

1046

483

/ 408

430

CF

M/to

nC

FM

Wat

ts12

9136

813

0543

412

9848

612

1747

611

3546

842

0 C

FM

/ton

CF

MW

atts

1255

/ 13

3433

1 / 3

9712

73 /

1289

397

/ 418

1278

/ 12

3945

9 / 4

3512

37 /

1180

483

/ 448

1151

/ 11

1347

5 / 4

5545

0 C

FM

/ton

CF

MW

atts

1355

422

1361

485

1285

475

1206

467

1124

460

NO

TE

S:

1.

* M

odel

s st

art w

ith "

A"

or "

T"

2.

† F

acto

ry S

ettin

g3

.S

tatu

sLE

Dw

illb

link

once

per

100

CF

Mr

eque

sted

.In

torq

uem

ode,

act

uala

irflow

may

be

low

er.

4.

Tor

que

mod

ew

illr

educ

eai

rflow

whe

nst

atic

isa

bove

app

roxi

mat

ely

0.3"

w

ater

col

umn.

5.

All

heat

ing

mod

es d

efau

lt to

Con

stan

t CF

M6

.C

oolin

gai

rflow

val

ues

are

with

wet

coi

l,no

filte

r

NO

TE

: M

inim

um

au

xilia

ry h

eati

ng

air

flo

w is

au

tom

atic

ally

co

nfi

gu

red

by

the

air

han

dle

r m

od

el a

nd

th

e au

xilia

ry h

eate

r m

od

el n

um

ber

. T

his

is n

ot

fiel

d a

dju

stab

le.

Min

imu

m H

eati

ng

Air

flo

w S

etti

ng

s

MO

DEL

NO

.B

AYE

VAC

05B

K1A

AB

AYE

VAC

05LG

1AA

BA

YEVA

C08

BK

1AA

BA

YEVA

C08

LG1A

AB

AYE

VAC

10B

K1A

AB

AYE

VAC

10LG

1AA

BA

YEVA

C10

LG3A

AB

AYE

VBC

15B

K1A

AB

AYE

VCB

15LG

3AA

BA

YEVB

C20

BK

1AA

*AM

7A0A

24H

21SA

A63

8/71

363

8/90

067

5/90

060

0/71

3--

----

MIN

IMU

M H

EATE

R A

IRFL

OW

CFM

- H

EATE

R M

ATR

I X

WIT

HO

UT

HEA

T PU

MP

/ WIT

H H

PSE

E A

IR H

AN

DLE

R N

AM

EPLA

TE

TAM711

MO

DEL

NO

.B

AYE

VAC

05B

K1A

AB

AYE

VAC

05LG

1AA

BA

YEVA

C08

BK

1AA

BA

YEVA

C08

LG1A

AB

AYE

VAC

10B

K1A

AB

AYE

VAC

10LG

1AA

BA

YEVA

C10

LG3A

AB

AYE

VBC

15B

K1A

AB

AYE

VCB

15LG

3AA

BA

YEVB

C20

BK

1AA

*AM

7A0B

30H

21SA

A72

3/80

872

3/10

2076

5/10

2068

0/80

876

5/10

6385

0/11

05--

MIN

IMU

M H

EATE

R A

IRFL

OW

CFM

- H

EATE

R M

ATR

IX

WIT

HO

UT

HEA

T PU

MP

/ WIT

H H

PSE

E A

IR H

AN

DLE

R N

AM

EPLA

TE

*AM

7A0B

30 A

IRF

LO

W P

ER

FO

RM

AN

CE

CO

NS

TAN

T C

FM

MO

DE

/ C

ON

STA

NT

TO

RQ

UE

MO

DE

OU

TD

OO

RM

ULT

IPLI

ER

(TO

NS

)

CO

OLI

NG

A

IRF

LOW

SE

TT

ING

Airfl

owP

ower

EX

TE

RN

AL

STA

TIC

PR

ES

SU

RE

HE

ATIN

G

AIR

FLO

WS

ET

TIN

G

Airfl

owP

ower

EX

TE

RN

AL

STA

TIC

PR

ES

SU

RE

0.1

0.3

0.5

0.7

0.9

0.1

0.3

0.5

0.7

0.9

1.5

tons

360

CF

M/to

nC

FM

Wat

ts59

1 / 6

8530

/ 41

560

/ 538

58 /

5653

3 / 2

9987

/ 63

509

/ NA

118

/ NA

482

/ NA

150

/ NA

390

CF

M/to

nC

FM

Wat

ts63

035

609

6558

896

566

128

540

161

380

CF

M/to

nC

FM

Wat

ts61

8 / 7

1133

/ 45

593

/ 572

62 /

6056

9 / 3

5993

/ 68

547

/ NA

125

/ NA

524

/ NA

158

/ NA

410

CF

M/to

nC

FM

Wat

ts65

738

639

7062

110

260

113

657

816

940

0 C

FM

/ton

CF

MW

atts

645

/ 738

37 /

4962

4 / 6

0567

/ 65

604

/ 410

99 /

7358

4 / N

A13

2 / N

A56

2 / N

A16

6 / N

A43

0 C

FM

/ton

CF

MW

atts

683

4266

975

653

109

636

143

614

177

420

CF

M/to

nC

FM

Wat

ts65

9 / 7

5138

/ 50

639

/ 621

69 /

6762

0 / 4

3410

2 / 7

660

2 / N

A13

6 / N

A58

1 / N

A17

0 / N

A45

0 C

FM

/ton

CF

MW

atts

709

4569

880

685

115

669

151

649

186

2 to

ns †

360

CF

M/to

nC

FM

Wat

ts75

0 / 8

4051

/ 66

741

/ 726

87 /

8573

1 / 5

7512

5 / 9

671

9 / 3

4416

3 / 9

970

4 / N

A20

0 / N

A39

0 C

FM

/ton

CF

MW

atts

800

6079

799

791

139

781

180

766

219

380

CF

M/to

nC

FM

Wat

ts78

4 / 8

7457

/ 72

779

/ 764

95 /

9277

1 / 6

2213

4 / 1

0476

2 / 4

1917

4 / 1

0774

8 / N

A21

3 / N

A41

0 C

FM

/ton

CF

MW

atts

834

6683

410

783

015

082

219

281

023

340

0 †

CF

M/to

nC

FM

Wat

ts81

8 / 9

0862

/ 79

816

/ 802

103

/ 100

811

/ 667

144

/ 113

803

/ 484

186

/ 117

792

/ NA

227

/ NA

430

CF

M/to

nC

FM

Wat

ts86

873

871

116

869

161

864

205

853

248

420

CF

M/to

nC

FM

Wat

ts83

5 / 9

2466

/ 83

834

/ 820

107

/ 104

831

/ 689

150

/ 118

824

/ 513

192

/ 122

813

/ 180

234

/ 132

450

CF

M/to

nC

FM

Wat

ts90

280

908

126

908

172

905

219

895

263

2.5

tons

360

CF

M/to

nC

FM

Wat

ts90

4 / 1

017

80 /

105

908

/ 921

125

/ 129

909

/ 804

172

/ 144

907

/ 658

219

/ 150

898

/ 454

264

/ 148

390

CF

M/to

nC

FM

Wat

ts96

795

977

145

982

196

982

247

974

295

380

CF

M/to

nC

FM

Wat

ts94

7 / 1

061

89 /

117

955

/ 968

138

/ 142

959

/ 856

188

/ 158

958

/ 718

237

/ 165

951

/ 538

285

/ 163

410

CF

M/to

nC

FM

Wat

ts10

1210

610

2516

010

3321

410

3426

810

2731

840

0 C

FM

/ton

CF

MW

atts

991

/ 110

610

0 / 1

3110

02 /

1016

152

/ 156

1009

/ 90

820

5 / 1

7410

10 /

779

257

/ 182

1003

/ 61

430

7 / 1

8043

0 C

FM

/ton

CF

MW

atts

1057

119

1074

176

1084

234

1087

290

1078

342

420

CF

M/to

nC

FM

Wat

ts10

13 /

1129

106

/ 138

1026

/ 10

4015

9 / 1

6410

34 /

934

214

/ 182

1036

/ 80

826

8 / 1

9010

29 /

650

318

/ 189

450

CF

M/to

nC

FM

Wat

ts11

0413

311

2419

411

3625

511

3931

411

2836

6

3 to

ns

360

CF

M/to

nC

FM

Wat

ts10

63 /

1182

120

/ 156

1080

/ 10

9517

7 / 1

8210

91 /

993

236

/ 201

1094

/ 87

329

2 / 2

1110

85 /

727

344

/ 210

390

CF

M/to

nC

FM

Wat

ts11

4714

711

7021

111

8427

611

8533

611

7038

938

0 C

FM

/ton

CF

MW

atts

1120

/ 12

4113

7 / 1

7811

40 /

1157

199

/ 205

1153

/ 10

5926

2 / 2

2511

56 /

945

321

/ 235

1444

/ 80

937

4 / 2

3641

0 C

FM

/ton

CF

MW

atts

1208

168

1233

238

1247

306

1245

367

1223

418

400

CF

M/to

nC

FM

Wat

ts11

79 /

1304

157

/ 203

1202

/ 12

2122

4 / 2

3112

16 /

1127

290

/ 252

1216

/ 10

1835

1 / 2

6311

98 /

890

403

/ 265

430

CF

M/to

nC

FM

Wat

ts12

7119

312

9826

713

0933

713

0039

812

7144

642

0 C

FM

/ton

CF

MW

atts

1210

/ 13

3716

8 / 2

1712

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6230

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FM

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CF

MW

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1338

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1363

299

1368

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NO

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S:

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MW

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1583

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1385

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NO

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S:

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4727

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5232

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330

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Wat

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98 /

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MW

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1520

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1517

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1436

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466

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M/to

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1618

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1479

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M/to

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Wat

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2647

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1315

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8142

0 C

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MW

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1534

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1417

464

1301

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NO

TE

S:

1.

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2.

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ry S

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100

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sted

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torq

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4.

Tor

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ely

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0.1

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0.5

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CF

M/to

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FM

Wat

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92 /

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15 /

907

190

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FM

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MW

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1154

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1150

286

1141

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350

CF

M/to

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FM

Wat

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72 /

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208

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1065

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CF

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Wat

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0 C

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0 C

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MW

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1259

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1266

224

1267

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1264

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1258

384

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CF

M/to

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1185

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85 /

1097

248

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1180

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629

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70 /

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CF

M/to

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2430

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CF

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1165

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32 /

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319

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1224

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536

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5940

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CF

MW

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211

1398

279

1400

343

1399

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1395

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370

CF

M/to

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296

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CF

M/to

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114

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1369

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1361

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FM

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MW

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272

1534

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1538

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1538

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1534

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330

CF

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CF

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CF

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Wat

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9438

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9845

415

9852

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9158

137

0 C

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CF

MW

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9424

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1481

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3538

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80 /

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1475

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6750

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8842

0 C

FM

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MW

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348

1675

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1680

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1678

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1669

638

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CF

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CF

M/to

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380

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1799

594

1792

664

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1661

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66 /

1632

497

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1664

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55 /

1475

625

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420

CF

M/to

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FM

Wat

ts18

8549

618

8958

418

8466

217

8365

616

8364

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0 C

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CF

MW

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1742

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7339

7 / 4

7717

54 /

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1756

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51 /

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1708

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6744

0 C

FM

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CF

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1976

568

1973

655

1871

652

1765

643

1667

636

NO

TE

S:

1.

* M

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s st

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A"

or "

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2.

† F

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ry S

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g3

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Dw

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once

per

100

CF

Mr

eque

sted

.In

torq

uem

ode,

act

uala

irflow

may

be

low

er.

4.

Tor

que

mod

ew

illr

educ

eai

rflow

whe

nst

atic

isa

bove

app

roxi

mat

ely

0.4"

w

ater

col

umn.

5.

All

heat

ing

mod

es d

efau

lt to

Con

stan

t CF

M6

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gai

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coi

l,no

filte

r 7

. *

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n ac

tual

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NO

TE

: M

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atic

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0.3

0.5

0.7

0.9

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CF

M/to

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1404

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1328

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28 /

1244

314

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4636

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400

CF

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714

1939

114

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1349

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1359

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7832

9 / 2

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380

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1338

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7442

2 / 2

9541

0 C

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MW

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1437

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1455

289

1457

351

1451

407

1441

456

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CF

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1466

220

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1391

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90 /

1312

344

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1383

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2039

6 / 3

0413

70 /

1115

439

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420

CF

M/to

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Wat

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6723

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314

8936

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314

7447

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MW

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1413

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9623

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1421

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0 / 3

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15 /

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412

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1402

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5445

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0 C

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MW

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1500

244

1516

317

1519

382

1515

441

1505

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370

CF

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400

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1396

474

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0552

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303

1636

379

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1638

512

1629

566

390

CF

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1600

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3043

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1708

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1713

493

1712

559

1705

616

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1660

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559

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1769

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1701

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1659

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1697

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4858

9 / 4

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88 /

1503

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410

CF

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1141

118

2649

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3157

218

3264

318

2770

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1736

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3141

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7860

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4866

7 / 5

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1876

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1 / 6

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0 C

FM

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2014

554

2029

647

2037

733

2040

811

2038

880

390

CF

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ts19

24 /

2021

551

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1932

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6363

4 / 5

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35 /

1900

710

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1933

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3277

7 / 6

4119

27 /

1758

836

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420

CF

M/to

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FM

Wat

ts20

6659

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8269

120

9077

920

9385

920

9092

840

0 C

FM

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CF

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atts

1975

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7359

3 / 5

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83 /

2015

678

/ 629

1986

/ 19

5375

5 / 6

6019

85 /

1886

824

/ 682

1979

/ 18

1488

4 / 6

9543

0 C

FM

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CF

MW

atts

2120

640

2136

738

2143

828

2147

909

2143

980

NO

TE

S:

1.

* M

odel

s st

art w

ith "

A"

or "

T"

2.

† F

acto

ry S

ettin

g3

.S

tatu

sLE

Dw

illb

link

once

per

100

CF

Mr

eque

sted

.In

torq

uem

ode,

act

uala

irflow

may

be

low

er.

4.

Tor

que

mod

ew

illr

educ

eai

rflow

whe

nst

atic

isa

bove

app

roxi

mat

ely

0.4"

w

ater

col

umn.

5.

All

heat

ing

mod

es d

efau

lt to

Con

stan

t CF

M6

.C

oolin

gai

rflow

val

ues

are

with

wet

coi

l,no

filte

r 7

. *

* N

ot a

n ac

tual

OD

siz

e.

NO

TE

: M

inim

um

au

xilia

ry h

eati

ng

air

flo

w is

au

tom

atic

ally

co

nfi

gu

red

by

the

air

han

dle

r m

od

el a

nd

th

e au

xilia

ry h

eate

r m

od

el n

um

ber

. T

his

is n

ot

fiel

d a

dju

stab

le.

TAM716

kW BTUH kW BTUH

No Heater 0 - - 3.0** 4 15 - - 3.0** 4 15BAYEVAC05++1 1 4.80 16400 20.0 29 30 3.60 12300 17.3 25 25BAYEVAC08++1 1 7.68 26200 32.0 44 45 5.76 19700 27.7 38 40BAYEVAC10++1 1 9.60 32800 40.0 54 60 7.20 24600 34.6 47 50BAYEVAC10LG3 1-3 PH 9.60 32800 23.1 32 35 7.20 24600 20.0 28 30

*AM7A0A24H21SA

Note: * May be "A" or "T" Note: ** Motor Amps

208 Volt

Capacity Heater Amps per

Circuit

MinimumCircuit

Ampacity

MaximumOverload

Protection

Heater Model No. Capacity Minimum Circuit

Ampacity

MaximumOverload

Protection

240 Volt

HeaterAmps per

Circuit

No. of Circuits

Heater Attribute Data

kW BTUH kW BTUH

No Heater 0 - - 3.0** 4 15 - - 3.0** 4 15BAYEVAC05++1 1 4.80 16400 20.0 29 30 3.60 12300 17.3 25 25BAYEVAC08++1 1 7.68 26200 32.0 44 45 5.76 19700 27.7 38 40BAYEVAC10++1 1 9.60 32800 40.0 54 60 7.20 24600 34.6 47 50BAYEVAC10LG3 1-3 PH 9.60 32800 23.1 32 35 7.20 24600 20.0 28 30BAYEVBC15LG3 1-3 PH 14.40 42000 34.6 47 50 10.80 36900 30.0 41 45

9.60 32800 40.0 54 60 7.20 24600 34.6 47 504.80 16400 20.0 25 25 3.60 12300 17.3 22 25

208 Volt


Circuit

MinimumCircuit

Ampacity

MaximumOverload

Protection

Capacity

Note: * May be "A" or "T" Note: ** Motor Amps1 MCA and MOP for circuit 1 contains the motor amps

HeaterAmps per

Circuit


BAYEVBC15BK1 - Circuit 1 1BAYEVBC15BK1 - Circuit 2

MinimumCircuit

Ampacity

MaximumOverload

Protection

*AM7A0B30H21SA

Heater Model No. No. of Circuits

240 Volt

2

kW BTUH kW BTUH


9.60 32800 40.0 54 60 7.20 24600 34.6 47 50

4.80 16400 20.0 25 25 3.60 12300 17.3 22 25

9.60 32800 40.0 54 60 7.20 24600 34.6 47 50

9.60 32800 40.0 50 50 7.20 24600 34.6 43 45 Note: * May be "A" or "T" Note: ** Motor Amps1 MCA and MOP for circuit 1 contains the motor amps



HeaterAmps per

Circuit

MinimumCircuit

Ampacity

MaximumOverload

Protection

MaximumOverload

Protection


Circuit


MinimumCircuit

Ampacity

2

2

*AM7A0C36H31SA


240 Volt 208 Volt

Capacity

HEATER INFORMATION

TAM717

kW BTUH kW BTUH


9.60 32800 40.0 54 60 7.20 24600 34.6 47 50

4.80 16400 20.0 25 25 3.60 12300 17.3 22 25

9.60 32800 40.0 54 60 7.20 24600 34.6 47 50

9.60 32800 40.0 50 50 7.20 24600 34.6 43 45 Note: * May be "A" or "T" Note: ** Motor Amps1 MCA and MOP for circuit 1 contains the motor amps

Heater Attribute Data*AM7A0C42H31SA


240 Volt 208 Volt


Circuit

MinimumCircuit

Ampacity

MaximumOverload

Protection


Circuit

MinimumCircuit

Ampacity

MaximumOverload

Protection


BAYEVBC20BK1 - Circuit 1 1BAYEVBC20BK1 - Circuit 2 2

2

kW BTUH kW BTUH


9.60 32800 40.0 55 60 7.20 24600 34.6 49 50

4.80 16400 20.0 25 25 3.60 12300 17.3 22 25

9.60 32800 40.0 55 60 7.20 24600 34.6 49 50

9.60 32800 40.0 50 50 7.20 24600 34.6 43 45

9.60 32800 40.0 55 60 7.20 24600 34.6 49 50

9.60 32800 40.0 50 50 7.20 24600 34.6 43 45

4.80 16400 20.0 25 25 3.60 12300 17.3 22 25

BAYEVCC25BK1 - Circuit 1 1BAYEVCC25BK1 - Circuit 2BAYEVCC25BK1 - Circuit 3



MinimumCircuit

Ampacity

MaximumOverload

Protection


Circuit

MinimumCircuit

Ampacity

MaximumOverload

Protection




240 Volt 208 Volt


Circuit

2

2

3

TAM718

DISTANCE FROM BELLY BAND TO SHAFT FACE OF MOTOR FOR MINIMUM VIBRATION

WHEEL

BLOWER HOUSING

BELLY BAND

MOTOR

A

A is determined per chart

Wheel is centered inBlower Housing

MODEL DIM "A"*AM7A0A24H21SA 2-3/8

*AM7A0B30H21SA 2-3/8

*AM7A0C36H31SA 2-3/8

*AM7A0C42H31SA 2-3/8

*AM7A0C48H41SA 2-3/8

*AM7A0C60H51SA 2-3/8

* May be "A" or" T"

SUBCOOLING ADJUSTMENT

Indoor Unit Model No. Outdoor Unit Model No. Subcooling

*AM7A0B30H21SA 4A6H6024E, 4TWX6024E 9°

*AM7A0C36H31SA 4A6H6036E, 4TWX6036E 10°

*AM7A0C48H41SA 4A6H6048E, 4TWX6048E 8°

*AM7A0B30H21SA 4A7A6024E, 4TTX6024E 8°

*AM7A0C36H31SA 4A7A6036E, 4TTX6036E 8°

*AM7A0C48H41SA 4A7A6048E, 4TTX6048E 8°

*AM7A0B30H21SA 4TWZ0024A, 4A6Z0024A 9°

*AM7A0C36H31SA 4TWZ0036A, 4A6Z0036A 10°

*AM7A0C48H41SA 4TWZ0048A, 4A6Z0048A 12°

*AM7A0B30H21SA 4TTZ0024A, 4A7Z0024A 9°

*AM7A0C36H31SA 4TTZ0036A, 4A7Z0036A 11°

*AM7A0C48H41SA 4TTZ0048A, 4A7Z0048A 13°

* May be “A” or “T”All other matches must be charged per the nameplate charging instructions.

kW BTUH kW BTUH


9.60 32800 40.0 55 60 7.20 24600 34.6 49 50

4.80 16400 20.0 25 25 3.60 12300 17.3 22 25

9.60 32800 40.0 55 60 7.20 24600 34.6 49 50

9.60 32800 40.0 50 50 7.20 24600 34.6 43 45

9.60 32800 40.0 55 60 7.20 24600 34.6 49 50

9.60 32800 40.0 50 50 7.20 24600 34.6 43 45

4.80 16400 20.0 25 25 3.60 12300 17.3 22 25

BAYEVCC25BK1 - Circuit 1 1BAYEVCC25BK1 - Circuit 2BAYEVCC25BK1 - Circuit 3


MinimumCircuit

Ampacity

MaximumOverload

Protection




240 Volt 208 Volt


Circuit



Circuit

MinimumCircuit

Ampacity

MaximumOverload

Protection

2

3

2

TAM719

Pb

FAU

LT

UN

IT

4833

321716

164 49

TRAN

EU

.S.I

NC

.

VDDPGD

MCLRVSS PGC

3.3V SCLSDA GND

HUM

5V

MO

TOR

GN

D

RX

TX

+12V

PAR

TNO

.LAB

EL

BAR

CO

DE

1 2 3 4 5

1 2 3 4 5

STA

TUS

+12V

+13.

8V

C60

C59R

57R

58

R64

R65

R76

R78

C20

C28

C55

S3

R11

0

R59

R41

R68

C40

R10

8

R93

R10

9

R12

R55

R23

R20

R49

R13 R14

D23

D19

D18

C46

C39

C6

C23

R80

R71

R67

R52

R75

R72

Q2

C41

R61

Q6

Q7

R1

R33

R34

J4

Q1

X1

U5

U4

U3

TZ2

T2T1

R99

R98

R97

R60

R96

R95

R21

R91

R87

R88

R70

R86

R83

R81

R66

R79

R77

R54

R10

3R

106

R4

R10

4

R51 R53

R48

R47

R44

R42

R39

R82

R37

R35

R31

R30

R74

R89

R25

R18

R19

R10 R

9

R8

R3

R2

R5

R7

Q8

Q4

PTC1

MO

V1

L2 L3

K1

J3

J6

J9

D36

D35

D34

D1

D22

D29

D25

D24

D7

D4

D2

D28

C57

C54

C56

C51

C49

C48

C47

C52

C43

C42

C36

C35

C34

C31

C30

C29

C13

C7

C3

C2

C1

U1

C58

R10

5

C50

U2

J7

R24

R17

D6

D3

D14 D

17

RN

ET1

RN

ET2

R73

1

J8

Yo RBOY1

J1 W2

W1

R63

R62

R56

D21

D20

C32

C33

R38

R36

R16

R15

R32

R11

R28

R27

R26

D13

D12D

5D

11

D10

C24

C25

C4

C5

C16

C17

D8

R50

R45

R85

R84

D16

D15

D31

D30

C26

C27

C44

C45

D32

D33

R94

R10

0

R10

1

R107

R29

K2

R6

C53

C22

C19

C15

C12

C9

C8

C11

C14

C18

C21

D26

R69

C37

C38

C10

D9

L1

R10

2

D27

R40

R22

R46

R43

Q3

Q5

BK

Jum

per

YoJu

mpe

rW

2W

1

TEST

J13

11HP

2(C

ompr

esso

r)2

(Sta

ges)

AC

(Sys

tem

)

}Cap

acity

(Ton

s)

OUT

DOO

R

}

Torq

ue

CFM

/Ton

Coo

lOff

Dela

y

}IND

OO

R

CFM

S1on

on

S2

J4

J3J1 J6

TEST

CLOS

E

410

FAUL

T

UNIT

22

OPEN

STAT

US

FAUL

T

UNIT

STAT

US OFF

ON

J2J4

J5J2

J7 -

Mot

or

J8

J9 -

EH

C/H

HC

J4J3

J6

J1

J11

BR

wir

e N

ot U

sed

Uni

t Tes

t

SW

1

STA

TUS

LE

D

J6

FAU

LT

LED

To E

EV

Sta

tor

To In

tern

al

Con

dens

ate

Sw

itch

(Opt

iona

l)R

410A

/ R

22

OP

EN

TES

TC

LOS

E

GT

Sen

sor

See

Tab

le

ET

Sen

sor

UN

IT

LED

STA

TUS

LE

D

Air

flow

Con

trol

(AFC

)

Dis

trib

utio

n B

oard

24 V

AC

From

Tra

nsfo

rmer

24 V

AC

From

DC

Pow

er S

uppl

y13

.8 V

DC

13.8

VD

C

Ele

ctro

nic

Exp

ansi

on V

alve

Con

trol

(EV

C)

FAU

LT

LED

UN

IT

LED

HU

M

BK

Jum

per

YO Jum

per

(Do

Not

Cut

)

13.8

VD

C

13.8

VD

C

J8

Air Handler Control Panel

TAM720

AFC STATUS LED DescriptionON SOLID Power up and during last 4 fault history sequence1 Flash (per second) Stand-by or idleMultiple Flash CFM demand - 1 flash per 100 cfm

AFC STATUS CODES (GREEN LED)

AFC FAULT CODES (RED LED)

FAULT

UNIT

TRANE U.S. INC. HUM

BAR CODE

STATUS

R55R49

D18

R80

T2T1

R60

R70

R66

R82

R74

R7

Q8

J6

J9

D22

D25

D28

C52

R73

1

J8

YoR

BOY1

J1

W2W1

R63R62R56

D21D20 C32C33

R38

R16R28 R27R26

D12

D5D11

D10

C16C17

R50R45

R85 R84

D16D15

D31D30

C26C27

C44C45

D32

D33

R94

R100

R101

K2

R69

DH JumperYo JumperW2

W1

FAULT

UNIT

STATUS

STATUS LED

FAULT LED

UNIT LED

UNIT LED (BLUE LED)

Unit LED1 Flash

Rapid

OffSOLID ON

Description

Normal (1 flash every 4 seconds)

Communication Busy Error (2 flashes per second)

No Power

Communications cannot be established with the AFC

AFC FaultLED DescriptionOFF No Fault

Solid On Internal control failure 1 24VAC fuse blown2 PM Data Corrupt or Missing / Motor Mismatch

4 Blower communication error (Status LED will be ON solid)5 Internal communication error (refer to Unit LED on EVC, EHC, HHC) (1)(2)

11 EVC has detected a fault condition (refer to Fault LED on EVC)

12 EHC / HHC has detected a fault condition (refer to Fault LED on EHC / HHC)

(1) If Unit LED on AFC is flashing 2 times/second, AFC is causing the error. (2) Unit LED on suspect control will flash 2 times/second on the suspect control. All LED's will be off if power is not applied.

NOTES:

TAM721

EVC FAULT CODES (RED LED)

EVC STATUS CODES (GREEN LED) FAULT

R80

R70

D

D28R73

R100

K2

J4

TESTCLOSE

410

FAULT

UNIT

22

OPEN

STATUS

FAULT

OFF ON

STATUS LED

FAULT LED

UNIT LED

UNIT LED (BLUE LED)Unit LED1 Flash

Rapid

OffSOLID ON

Description



No Power


EVCFault LED Description

OFF Standby1 Stepper Motor coil has an open circuit or intermittent short2 Control has detected an internal failure (Replace EEV control, EVC)3 Gas Temperature Sensor (GT) input out of range (Verify resistance, 5VDC output from control) (1)4 Evaporator Temperature Sensor (ET) input out of range (Verify resistance, 5VDC output from control) (1)5 Stepper Motor Coil is shorted (2)6 Valve is not responding to a change in position. (Possible stuck valve)7 High superheat (Low charge or restriction)10 Low superheat (Check airflow, possible stuck valve) (3)11 Condensate drain switch activated for 100 seconds (Check condensate switch and drain) (2)13 Indoor frost protection activated (Check refrigerant charge and airflow) (2)14 Internal communication fault (All operation is terminated) (Cycle power & check wire terminations)15 Configuration fault (All operation is terminated) (Cycle power & check if PM error is present)16 Outdoor status fault (All operation is terminated)

(1) EEV will try to go to a safe position, cooling attempt allowed (2) K1 relay opens on EVC, Yo disabled (3) Cooling attempt allowed, 5 consecutive Y calls with same condition disables Yo

NOTES:

EVC STATUS LED (Non Heat Pump Systems)Flash

1 Cool mode selected / No active call 2 Active call for 1st stage cooling3 Active call for 2nd stage cooling (1)

(1) Single stage OD systems will report 2nd stage flash codes

EVC STATUS LED (Heat Pump Systems)Flash

1 Cool mode selected / No active call2 Active call for 1st stage cooling or defrost3 Active call for 2nd stage cooling or defrost (1)4 Heat mode selected or Thermostat system switch off 5 Active call for 1st stage heating6 Active call for 2nd stage heating (1)

(1) Single stage OD systems will report 2nd stage flash codes

NOTE:

NOTE:

TAM722

EHC STATUS CODES (GREEN LED)

UNIT LED (BLUE LED)

EHC FAULT CODES (RED LED)

EHC Fault LED DescriptionOFF No fault1 Internal communication error2 Heat relay stuck open3 Heat relay stuck closed4 Non‐cycling limit (NTCO) or element open5 Cycling limit (CTCO)open6 Configuration error (1)

8 Blower interlock relay stuck open or stuck closed

1) Confirm heater model and kw jumper matchNOTES:

EHC STATUS LED12345 5 heater relays energized

Standby mode STATUS LED will flash 1 time per second

On a call for heat, STATUS LED will flash per the table above every 4 seconds

NOTES

Description1 heater relay energized or stand by (see note)2 heater relays energized3 heater relays energized4 heater relays energized

Unit LED1 Flash

Rapid

OffSOLID ON

Description



No Power


20KW

15KW

10KW

8KW

5KW

PAR

K

TRANE U.S. INC.

FAULT

STATUS

UNIT

T8T7T6

13.8V

DATAA

DATAB

GND

+5V

+13.8V

GND

25KW

R73

R72

R71

R70

MO

V1

D23

D22

R69

R6 6

JP1C13

R65 R

64

R63R62

R61

R60

R19

R18

D8

D7

T11

T9

R56

R55

R5 4

R53

R52

R51

R50

R49

R48R47R46R45R44

R37R36

R30

R29

D20

D19

D17

D16

D15D14

D12

D11

D10

D9

C11

C9

P3

AU

X

PG

C

PG

D

VS

S

VD

D

MC

L R

1P1

X1

U1

T2T1

R43

R41

R39

R27

R26

R38

R33

R32

R35

R34

R28

R31

D6

D5D3D2D1

C10

C5

C7 C6

C4

C3

C8

C2

C1

P2 K6

U3

U2U4

R5R10 R15

R20 R25

U5 U6 U7 U8 U9

R40

T5T4T3 T10

T12

R14

R13

R9

R8

R7

R6

R4

R3

R2

R1

R17

R16

R12

R11

R23

R22

R21

R24

K1 K2 K3 K4 K5

R57

R58

R59

C12

D4

D21

R67

R68

D24 D25STATUS LED

FAULT LED

UNIT LED

TAM723

HHCFault LED Description

OFF No fault1 Internal communication error2 Water temp is at 38F or lower3 Water temp sensor is shorted4 Water temp sensor is open5 Configuration error (1)

6 Heat demand error

1) Confirm heater model and dip switch configurationNOTES:

HHC STATUS CODES (GREEN LED)

HHC FAULT CODES (RED LED)

HHC UNIT LED (BLUE LED)

UNIT

STATUS

FAULT

GND

13.8VDC

+5V

.

TRANE U.S. INC.

UNIT

STATUS

FAULT

13.8V

DATA A

DATA B

GND

Pb

D18

D16

D14

D12

D15

D17

R48

R47

R46

R45 R44

MOV1

1 SW1

K1

AUX

PGC

PGD

VSS

VDD

MCLR.

P3

C161

P4

X1

U3

U2

U1

R39

R37

R36

R35

R34

R33

R32

R3 1

R30

R29

R28

R27

R26

R25

R24

R2 3

R22

R20

R19

R18

R17

R16

R15

R14

R13

R12

R11

R10

R9

R8

R7

R6

R5

R4

R3

R2

R1

Q1

P6

P5

P1

D13

D11

D10

D9

D8

D7

D6

D5

D4

D3

D2

D1

C13

C12

C11

C9

C8

C7 C

6

C5

C4

C3

C2

C1

C14

R40

R41

C10

C15

C17

R42

R43

HHC STATUS LED1 per second2 per second

DescriptionStandby or idle (see note)Heating demand is present

Unit LED1 FlashRapid

Off No Power

DescriptionNormal (1 flash every 4 seconds)Communication Busy Error (2 flashes per second)

SOLID ON Communications cannot be established with the AFC

TAM724

Electronic Expansion Valve Test

Note: Close Valve and Open Valve Tests are active in any mode of operation

Test Pins: OPEN, CLOSE, TEST (See J4 on EVC Board)

Close Valve Test - Touch CLOSE pin to TEST pin.

EEV drives closed (5 seconds max) and stays closed for 1.5 minutes (90 seconds).

1)StatusLEDwillbeflashing. 2) Gauges should indicate suction pressure dropping.

•Valveisworking.•LPCOmaytrip.

Note: The Close Valve Test will exit after 1.5 minutes (90 seconds) and will not reinitiate (requires a break and make to initialize). To clear faults stored in memory, apply a jumper between Close and Test pins for 10 seconds.

Open Valve Test - Touch OPEN pin to TEST pin.

EEV drives open (5 sec max) and stays open for 30 seconds.

1)StatusLEDwillbeflashing. 2) Temperature probe should indicate superheat falling.

•Valveisworking.

Note: If jumper is left on pins, the OPEN VALVE TEST will be cleared after 30 seconds and will not reinitiate (requires a break and make to reinitialize).

Exit Test Mode - The Open Valve Test or Closed Valve Test can be cancelled by momentarily jumping to the opposite mode Test pin. The system will return to normal super heat control.

EEV TEST PROCEDURES

EvaporatorTemperature Sensor (ET)

Gas Temperature Sensor (GT)

TAM725

TEMPF

TEMPC

THERMISTORRESISTANCE

(OHMS)

Volts DC at plug J3EVAP TEMP (ET) - Orange to OrangeGAS TEMP (GT) - Black to Black

TEMPF

TEMPC

THERMISTORRESISTANCE

(OHMS)

Volts DC at plug J3EVAP TEMP (ET) - Orange to OrangeGAS TEMP (GT) - Black to Black

20 ‐6.7 45076 3.20 72 22.2 11024 1.5421 ‐6.1 43764 3.17 74 23.3 10492 1.4922 ‐5.6 42494 3.14 76 24.4 9990 1.4423 ‐5.0 41266 3.10 78 25.6 9515 1.3924 ‐4.4 40077 3.07 80 26.7 9065 1.3425 ‐3.9 38927 3.04 82 27.8 8639 1.2926 ‐3.3 37813 3.00 84 28.9 8236 1.2527 ‐2.8 36736 2.97 86 30.0 7855 1.2028 ‐2.2 35692 2.93 88 31.1 7493 1.1629 ‐1.7 34681 2.90 90 32.2 7150 1.1230 ‐1.1 33703 2.86 92 33.3 6825 1.0831 ‐0.6 32755 2.83 94 34.4 6516 1.0432 0.0 31838 2.80 96 35.6 6224 1.0133 0.6 30949 2.76 98 36.7 5946 0.9734 1.1 30087 2.73 100 37.8 5682 0.9335 1.7 29253 2.69 102 38.9 5432 0.9036 2.2 28445 2.66 104 40.0 5194 0.8737 2.8 27661 2.62 106 41.1 4968 0.8438 3.3 26902 2.59 108 42.2 4753 0.8139 3.9 26166 2.56 110 43.3 4548 0.7840 4.4 25452 2.52 112 44.4 4354 0.7541 5.0 24761 2.49 114 45.6 4169 0.7242 5.6 24090 2.45 116 46.7 3992 0.7043 6.1 23440 2.42 118 47.8 3825 0.6744 6.7 22810 2.39 120 48.9 3665 0.6545 7.2 22198 2.35 122 50.0 3513 0.6246 7.8 21605 2.32 124 51.1 3368 0.6047 8.3 21030 2.29 126 52.2 3230 0.5848 8.9 20472 2.25 128 53.3 3098 0.5649 9.4 19931 2.22 130 54.4 2972 0.5450 10.0 19405 2.19 132 55.6 2853 0.5251 10.6 18896 2.16 134 56.7 2738 0.5052 11.1 18401 2.12 136 57.8 2629 0.4853 11.7 17921 2.09 138 58.9 2525 0.4654 12.2 17455 2.06 140 60.0 2425 0.4555 12.8 17002 2.03 142 61.1 2330 0.4356 13.3 16563 2.00 144 62.2 2239 0.4257 13.9 16137 1.97 146 63.3 2153 0.4058 14.4 15723 1.94 148 64.4 2070 0.3959 15.0 15320 1.91 150 65.6 1990 0.3760 15.6 14930 1.8861 16.1 14550 1.8562 16.7 14182 1.8263 17.2 13824 1.7964 17.8 13476 1.7665 18.3 13138 1.7366 18.9 12810 1.7067 19.4 12491 1.6768 20.0 12181 1.6569 20.6 11879 1.6270 21.1 11586 1.59

THERMAL RESISTANCE AND VOLTAGE TABLE

J3 J3GT Sensor

See Table AboveTest Pin-Pin

ET Sensor

Note: ET sensor wiring may be brown

TAM726

Sensor Check

Turn System switch on thermostat to OFF and Fan to ON position Wait 10 minutes Measure return air temperature Measure VDC at J3 connector on EVC.

(See EVC table for J3 location)

Does voltage(s) measured correspond to return air temperature? +-3F

Remove J3 connector and measure resistance across

BK-BK and OR-OR

Replace EVC

Verify connections for sensors are plugged in and connected properly

NO

Start Here

Do resistance readings match chart (within +- 5%)

for the return air temperature?

Replace sensor(s)NO

YES Proceed to next step

Remove J3 connector

Is 4.5 – 5 VDC measured between pins

4-5 and pins 6-7?

YES

NO

Are zero ohms measured from

any lead to ground

Measure resistance of each sensor lead to ground

Check sensor leads for short to ground. Replace

or repair as neededYESSensors are good NO

J3

7

45

6

Note: ET sensor wiring may be brown

TAM727

4 - Phase Coil ControlFigure 1

4 - BLUE

5 - BROWN (COMMON)

6 - RED (COMMON)

3 - ORANGE

2 - YELLOW

1 - WHITE

● Brown (common) to Blue or Yellow should measure 46 ohms● Red (common) to Orange or White should measure 46 ohms

HIGH SUPERHEAT

Superheat above 30F at OD unitStart Here

Is subcooling at the outdoor unit

between 8-12F?

Verify line set is properly sized for

applicationNO

Verify that OD condenser coils

are clean

Add refrigerant until subcooling reaches ~10F

Recheck superheat

Is liquid line temperature at the indoor unit within 8F of outdoor liquid line

temperature?

Verify line set size and charge is

correctNO

Perform “OPEN VALVE” test at

EVC.

YES

Does superheat drop

below 30F?

Is indoor temperature

>85F?NO

Perform “CLOSE VALVE” test at

EVC. YESDoes suction

pressure go down?

EEV and coil are working. Replace EVC

Check operation

YES

YESPerform

temperature sensor check

YES

NO

The system is running at maximum capacity and this

may be causing the high superheat. Wait until the

indoor temperature is less than 80F and check the

superheat again.

Replace EEV. Check operation

Ohm coil per FIG 1?

Is ohm reading correct?

YES

Replace coil NO

Trane6200 Troup HighwayTyler, TX 75707www.trane.com

For more information contactyour local dealer (distributor)

06/11

The manufacturer has a policy of continuous product and product data improvement, and it reserves the right to change design and specifications without notice.

LOW SUPERHEAT

Superheat below 3F at OD unitStart Here

Is filter, coil, and blower

wheel clean?

Clean or replace as neededNO

Perform sensor check

YES

Perform “CLOSE VALVE” test at

EVC.

Does suction pressure drop?

Perform “OPEN VALVE” test at

EVC.

Does suction pressure rise?

Replace EVCYES

Replace EVCYES

Replace EEV. Check operation

Ohm coil per FIG1

Is ohm reading correct? YESReplace coil NO

NO

NO

F

B

R

Insure ID motor is running

4 - Phase Coil ControlFigure 1

4 - BLUE

5 - BROWN (COMMON)

6 - RED (COMMON)

3 - ORANGE

2 - YELLOW

1 - WHITE

● Brown (common) to Blue or Yellow should measure 46 ohms● Red (common) to Orange or White should measure 46 ohms

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