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Air Conditioner
Instruction Manual
DELTA ELECTRONICS, INC.
USA
46101 Fremont Blvd, Fremont, CA 94538, U.S.A. TEL : 1-510-668-5100
FAX : 1-510-668-0680
Taiwan
252, SHANG YING ROAD, KUEI SAN TEL : 886-(03)-3591968
TAOYUAN HSIEN 333, TAIWAN, R. O. C. FAX : 886-(03)-3591991
Table of Contents
1. Version ...................................................................................................... 1
2. Description ................................................................................................ 1
2.1 General ............................................................................................ 1
2.2 Specification ..................................................................................... 1
2.3 Environmental Condition .................................................................. 2
2.4 Model Identification .......................................................................... 2
3. Installation ................................................................................................. 4
3.1 Outline Drawing ............................................................................... 4
3.2 Mounting Panel Cutout ..................................................................... 7
4. Electrical Specification ............................................................................. 10
4.1 Function List ................................................................................... 10
4.2 Connection ..................................................................................... 16
5. Mechanical Feature ................................................................................. 16
6. Maintenance ............................................................................................ 17
6.1 Maintenance Cycle ........................................................................ 17
6.2 Replacement .................................................................................. 18
7. MTBF ....................................................................................................... 18
8. Safety Compliance .................................................................................. 18
9. Packing & Shipping ................................................................................. 20
Page 1
1. Version
Rev. Description Drawn Approved Issue date
00 Issue spec. Mars CW 201602
2. Description
2.1 General
This document outlines installation and characteristics of Delta HECX1P series
air conditioners. Before installing the unit, please read this manual thoroughly,
and follow the instructions contained within. HECX1P is a DC air conditioner with
48 VDC power input, designed for IP55 sealed outdoor utility cabinets to provide
stable and optimum internal conditions for equipment, and prevent hot spots
inside the cabinet.
2.2 Specification
Model Number
Operating Temperature Range
oC(
oF)
Compressor Cooling Capacity
W (Btu/hr)
Dimension HxWxD
mm (inch) Rated
Voltage (V) Weight
Kg (lb)
1 HEC0500PA
- 10 to + 55
( 14 to + 131) DC
Compressor
500 (1700)
545 x 315 x 170
(21.5 x 12.4 x 6.7)
48 VDC
16 (35.3)
2 HEC0700PA 700 (2380)
3 HEC0800PB 800 (2720)
700x500x200
(27.6 x 19.7 x 7.9) 28 (61.7)
4 HEC1000PB 1000 (3400)
5 HEC1200PB 1200 (4080)
6 HEC1500PB 1500 (5100)
7 HEC0800PC 800 (2720)
796 x 383 x 160
(31.3 x 15.1 x 6.3) 25 (55.1) 8 HEC1000PC 1000 (3400)
9 HEC1200PC 1200 (4080)
Page 2
2.3 Environmental Condition
Description Specification
Operating temperature -10°C ~ +55°C (14°F ~ 131°F)
Storage temperature -40°C ~ +70°C (-40°F ~ 158°F)
Humidity External air circuit: 0 ~ 100% RH
Internal air circuit: 0 ~ 90% RH,
Non-condensing
Ingress protection level IEC60529 IP55 on external side
2.4 Model Identification
Model number logic is as follows:
HEC 0500 P A
1 2 3 4
1. Product Code
HEX Air to Air Heat Exchanger
HET ThermoElectric Cooler
HEC Compressor Air Conditioner
HEH Heater
HEL Siphon (Liquid - Air)
2. Cooling Capacity
0500 W
0800 W
1000 W
1200 W
1500 W
3. Operation Voltage
A AC 110 V for door
B AC 220V for door
C AC 110 V for roof
Page 3
D AC 220V for roof
E AC 110V for door + heater
F AC 220V for door + heater
G AC 110V for roof + heater
H AC 220V for roof + heater
I, J, K, L, M, N AC other
P DC 48V for door
Q DC 48V for roof
R DC 48V for door + AC 110V heater
S DC 48V for door + AC 220V heater
T DC 48V for roof + AC 110V heater
U DC 48V for roof + AC 220V heater
V DC 24V
W DC 12V
X, Y, Z DC other
4. Edition
A First
B Second
C Third
Page 4
3. Installation
3.1 Outline Drawing
HEC0500/0700PA
(1) Material : Case SGCC Sheet
(2) Finish : Power paint 75~120um,
(3) Color : RAL 7035
(4) Dimension tolerance:
X.X [X.XX] : ± 1.0mm [0.04”]
X.XX [X.XXX] : ± 0.3mm [0.012”]
mm (inch)
Page 5
HEC0800/1000/1200/1500PB
(1) Material : Case SGCC Sheet
(2) Finish : Power paint 75~120um,
(3) Color : RAL 7035
(4) Dimension tolerance:
X.X [X.XX] : ± 1.0mm [0.04”]
X.XX [X.XXX] : ± 0.3mm [0.012”]
mm (inch)
?
?
Page 6
HEC0800/1000/1200PC
(1) Material : Case SGCC Sheet
(2) Finish : Power paint 75~120um,
(3) Color : RAL 7035
(4) Dimension tolerance:
X.X [X.XX] : ± 1.0mm [0.04”]
X.XX [X.XXX] : ± 0.3mm [0.012”]
mm (inch)
Page 7
3.2 Mounting Panel Cutout
HEC0500/0700PA
Outside
Inside
Gasket
CL
Page 8
HEC0800/1000/1200/1500PB
Inside
Outside
Gasket
?
Page 9
HEC0800/1000/1200PC
Outside
Inside Gasket
CL
Page 10
4. Electrical Specification
4.1 Function List
Part No. Rated
Voltage Cooling Capacity
Cooling Current
(L35/L35)
Display /LED
Indication
Self-test botton
Alarm contact
Thermal protection
HEC0500PA DC 48V 500W 3.5A Y Y Y Y
HEC0700PA DC 48V 700W 6.4A Y Y Y Y
HEC0800PB DC 48V 800W 3.9A Y Y Y Y
HEC1000PB DC 48V 1000W 5.6A Y Y Y Y
HEC1200PB DC 48V 1200W 7.3A Y Y Y Y
HEC1500PB DC 48V 1500W 12.5A Y Y Y Y
HEC0800PC DC 48V 800W 3.8A Y Y Y Y
HEC1000PC DC 48V 1000W 5.5A Y Y Y Y
HEC1200PC DC 48V 1200W 8.2A Y Y Y Y
Panel Operation
A: Display:
Indicates the temperature inside the cabinet or system parametric setup.
B: LED indicator:
Power:
When the system powers on, the LED will be solid green.
A B
C
Page 11
If LED indicates alarm, the number of flashes helps identify root
cause.
Comp.:
When the compressor is running normally, the LED will be solid
green.
If the system goes into self-test mode, the LED will flash green.
Fan (In):
When the inner fan is running normally, the LED will be solid green.
Fan (Out):
When the outer fan is running normally, the LED will be solid green.
C: Touchpad controls:
↑: UP or increase
↓: DOWN or decrease
SET: Parametric setup
ON/OFF ESC: Power on/off or back
System Alarm Default Setup
Note: Operator can set N.O or N.C when alarm is indicated on the display board.
(d1.6 Dry-contact Setup).
• Specification:
Contact rating: 60 Vdc, 100mA
• Normal :
Page 12
COM. and N.C(or N.O) PIN dry contact output close
• Any alarms happening :
COM. and N.C(or N.O) dry contact output open
Parametric Setup
Page 13
System Default Setup
Item System Parameter Default Range
d1.3 Inside over-temp. Setup 60 oC 40 oC - 70 oC
d1.4 Auto Self Test Function Enable Enable/Disable
N/A Auto Self Test Period 1 Month 1 Month - 6 Month
d1.6 Photo Coupler Normal Status Close Close/Open
d1.7 Password 000 000~999
d2.1 Target temperature 30 oC 25 oC - 40 oC
Self-Test
1. Press the SET button to enter parametric setup mode.
2. Enter the correct password into the 7-digit display and press SET button; display
shows d01. (Default password: 000)
3. Press SET button to enter detailed parametric setup.
4. Press UP button to choose d1.4, then press SET button to execute auto self-test.
5. If system goes into self-test mode, Comp. LED will flash green.
6. Auto self-test duration is about five minutes, exlusive of three-minute compressor
test.
7. The test process checks that EEPROM, NTC sensor, inner fan, outer fan and
compressor are running correctly.
8. Watch for any alarm during test process. In case of alarm, note number of
flashes to help identify root cause.
Page 14
Alarm Logs
Flash Times (Power Led)
LV1 Alarm LV2 Alarm Alarm Code
--
--
Compressor 3-min
Protection --
-- Compressor Power
Protection --
-- Low-Temp Startup
Protection --
2 Temperature Abnormal
Alarm
Eva Temperature Protection 2.1
Comp-out Temperature
Protection 2.2
PWB Temperature
Protection 2.3
IPM Temperature Protection 2.4
Amb Temperature
Protection 2.5
3 Temperature Sensor
Fault
Amb Temperature Sensor 3.1
Eva Temperature Sensor 3.2
Cond Temperature Sensor 3.3
Comp-Out Temperature
Sensor 3.4
PWB Temperature Sensor 3.5
IPM Temperature Sensor 3.6
4 Fan Fault Indoor Fan 4.1
Outdoor Fan 4.2
5 Controller Fault
EEPROM 5.1
Current Sensor 5.2
DC-Bus Voltage 5.3
6 Cooling System Fault
Power Board 6.1
Startup Fail 6.2
IPM Over Current 6.3
Compressor Lack Phase 6.4
Page 15
Fault Analysis and Processing
Fault State Analysis of the Reasons Solutions
Power on, and the
cabinet temperature
is too high but the
air conditioner is not
working
• Power failure or no
power.
• The target temperature is
higher than inside
temperature.
• System failure.
• Check the power supply and
the electric circuit.
• Re-set the target temperature
according to the system
requirement.
• Please contact Delta or
authorized Delta service
agent.
The air conditioner
is running but the
cabinet temperature
is still high, no
obvious cooling
effect.
• The air conditioner
capacity is not match the
load of the system.
• The ambient
temperature is too high.
• Low efficiency of the
condenser.
• Other system failure
• Check the heating load of the
system.
• Ensure the air conditioner is
operating in correct
temperature range.
• Clean the condenser.
• Please contact Delta or
authorized Delta service
agent.
The air conditioner
stop operating, and
there is no alarm
signal.
• The inside temperature
is lower than the target
temperature.
• Other system failure.
• Re-set the target temperature
according to the system
requirement.
• Please contact Delta or
authorized Delta service
agent.
Page 16
4.2 Connection
Power and Alarm Contact Connection
HEC0800PB,HEC1000PB,HEC1200PB,HEC1500PB
• Power Supply Connector
Pin Description Cable wire size
1 + 2.5 mm2 (14 AWG)
2 - 2.5 mm2 (14 AWG)
• Alarm Connector
Pin Description Cable wire size
3 Alarm+ COM.( 24 AWG)
4 Alarm- N.C or N.O( 24 AWG)
HEC0800PC,HEC1000PC,HEC1200PC,HEC0500PA,HEC0700PA
• HECX1PC Power Supply & Alarm Connector
Pin Description Cable wire size
1 + 2.5 mm2 (14 AWG)
2 - 2.5 mm2 (14 AWG)
3 N/A N/A
4 Alarm+ COM.( 24 AWG)
5 Alarm- N.C or N.O( 24 AWG)
5. Mechanical Feature
Thermal Path and Airflow Baffle
Internal and external air flow circulation is shown in below diagram. Counterflow
design prevents mixing of internal and external air flows, but waste heat can still
be dissipated from cabinet to the ambient outside air. An internal temperature
sensor has been placed in the return air stream to provide reliable temperature
measurement, and for safe operation.
Pin1 Pin5
+
-
+ -
Page 17
The heated air inside the cabinet will be cooled by the evaporator. Waste heat
absorbed by the refrigerant will be dissipated through the condenser at the
external side.
HEC0500/0700PA, HEC0800/1000/1200/PC HEC0800/1000/1200/1500PB
6. Maintenance
SHUT DOWN the power before performing regular maintenance or component
replacement.
6.1 Maintenance Cycle
Use a brush and low pressure air to remove any dust or debris in the air inlet and
air outlet openings. Suggested maintenance cycle is indicated in the table below:
Check Item Step Description Maintenance Cycle
Wiring Visually check if the wiring is loose 12 months
Fan
abnormalities
Turn the fan to check for smooth rotation
and for any abnormal noise 12 months
Drainage
pipe
Visually check if the drainage opening is
blocked 6 months
Condenser Check the cleanliness of the condenser, and
clean it with compressed air 6 months
Page 18
6.2 Replacement
In case of abnormal operation, consult Delta or an authorized Delta service agent
for assistance.
7. MTBF
The L10 Fan expected service life is to be at least 100,000 hours continuous
operation at 40°C with 15 ~ 65% RH @ label rated voltage and cooling.
8. Safety Compliance
General Warning & Safety Information
Please read the safety notes carefully before installing the air conditioner, and be
sure to install it correctly. After completing installation, check that the unit
operates properly during start-up operation.
Meaning of WARNING and CAUTION notices:
Warning:
Failure to follow these instructions properly may result in personal injury or
loss of life.
Caution:
Failure to observe these instructions properly may result in property damage
or personal injury, which may be serious depending on the circumstance.
Page 19
Warning:
1. Installation work and electrical wiring should be done only by qualified personnel
in accordance with all applicable codes, standards and national wiring
regulations.
2. Use this unit only in the manner intended by the manufacturer. If you have
questions, please contact the manufacturer.
3. Install the air conditioner in accordance with the instructions in this installation
manual. Improper installation may result in water leakage, electric shock or fire.
4. Make sure that all wiring is secured, that specified wires are used, and there
there is no strain on the terminal connections or wires.
5. If refrigerant gas leaks during installation, ventilate the area immediately. Do not
directly touch refrigerant that has leaked from refrigerant pipes or other areas, as
there is a danger of frostbite.
6. Before serving or cleaning unit, switch power off and disconnect power supply.
7. When cutting or drilling into wall or ceiling, do not damage electrical wiring or
hidden utilities.
8. Be sure to use only the specified accessories and parts to complete installation.
9. Protective grounding connection: The enclosure must be grounded at the
protective ground terminal. Use 2.5 mm2 (14 AWG) wire and use spring washer
to avoid loosening.
10. The air conditioner should not be accessible to the general public.
11. The installation must contain a device to disconnect all poles of the air
conditioner from the power supply. The contact distance in all poles must be 3
mm minimum.
12. To reduce the risk of electrical shock: Means for disconnection must be
incorporated in the fixed wiring in accordance with the wiring rules.
13. This appliance is intended for use only by qualified personnel.
Page 20
Caution :
1. Install the air conditioner on a wall or door strong enough to withstand the weight
of the unit.
2. Do not allow a child to mount onto the outdoor unit. Avoid placing any object on it.
3. Do not block the air inlets or exits.
4. Do not install the air conditioner at any place where there is a danger or
flammable gas leakage.
5. Arrange the drain to ensure complete drainage.
6. To avoid injury, do not touch the air inlet or aluminum fins of the unit.
7. Watch your step at the time of fin cleaning or air conditioner inspection.
8. Do not topple the air conditioner while moving or in storage.
9. The hole in the bottom of the air conditioner should be connected to a sealed
container through a drain pipe.
10. This appliance is not to be used by any persons with reduced physical, sensory
or mental capabilities, or lack of experience and knowledge, unless they have
been given proper supervision or instruction.
11. Children should be prevented from playing with the appliance.
9. Packing & Shipping
During handling or transport, air conditioner must be kept in upward position,
“NOT” inverted, flat, or subject to excessive tilt and collision. The air
conditioner is a precision instrument; it should be handled and transported with
care. Do not stand on the box, or place heavy objects on top of the box. Pay
attention to the below icons on the package.
If air conditioner is toppled, slanted or dropped, follow these steps: a. stand unit
up for 12 hours to ensure refrigerant pressure stability, b. power on the unit and
execute self-test to make sure no alarm condition, c. keep the air conditioner
running for 1 hour to make sure there is no abnormal acoustic noise.
