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Manual
JAKKA Control Kit 4 Heat recovery unit controller
JAK-KA GROUP novembar
2018 www.jakkagroup.com
J.8.Г
Jakka Group se trudi da redovno ažurira tehničke podatke, opise i fotografije u katalozima i uputstvima, kao i cene u cenovnicima, ali ne možemo da garantujemo da su sve objavljene informacije kompletne i tačne. Stoga Vas molimo, u cilju bolje saradnje, da pre konačne odluke proverite podatke sa našim prodavcima, kako bismo izbegli greške. Jakka Group zadržava pravo promene svih informacija u katalozima, uputstvima i cenovnicima bez prethodne najave.
Content
1 General .............................. 2 5 System Test .............................. 20
2 Control Functions .............................. 3 5.1 Modbus .............................. 20
2.1 Control modes .............................. 4 5.1.1 Labvision .............................. 20
2.1.1 Mode 1: FAN .............................. 4 5.1.2 Modbus tester production 06 .............................. 21
2.1.1.1 Fan .............................. 4 5.1.3 Labvision .............................. 22
2.1.1.2 By-pass Valve .............................. 4 5.2 BMS .............................. 22
2.1.2 Mode 2: COOL .............................. 4 5.3 RC .............................. 23
2.1.2.1 Fan .............................. 4 5.4 Error .............................. 23
2.1.2.2 By-pass Valve .............................. 4 5.5 Bypass valve .............................. 23
2.1.3 Mode 3: HEAT .............................. 5 5.6 Fans EC and AC .............................. 23
2.1.3.1 Fan .............................. 5 5.7 Mode Fan .............................. 23
2.1.3.2 By-pass Valve .............................. 5 5.8 Mode COOL .............................. 24
2.1.3.3 Electrical heating elements .............................. 5 5.9 Mode HEAT .............................. 24
2.1.4 Mode 4: AUTO .............................. 6 5.9.1 Post purge .............................. 24
2.1.5 Mode 5: VOD .............................. 6 5.10 Mode AUTO .............................. 24
2.1.5.1 Fan .............................. 6 5.11 Mode VOD .............................. 24
2.1.5.2 By-pass Valve .............................. 6 5.12 Weekly Timer .............................. 25
2.2 BMS .............................. 6 6 Connections to the Senso
2.2.1 BMS .............................. 6 Argus 186 main board .............................. 26
2.2.2 BMS unit .............................. 6 6.1 PCB layout .............................. 26
2.2.3 Season select .............................. 6 6.2 Connection diagram .............................. 27
2.3 Filter check .............................. 6 6.3 Connector description .............................. 28
2.4 Modbus .............................. 6
2.4.1 Convert table for Lennox .............................. 7
2.4.2 Configuration line .............................. 8
2.4.3 Connection .............................. 8
2.4.4 Working with Modbus .............................. 9
2.4.4.1 Read Commando .............................. 9
2.4.4.2 Write Commando .............................. 9
2.4.5 Example Read .............................. 10
2.4.6 Example Write .............................. 10
2.5 System set-up .............................. 10
2.5.1 Fan speeds .............................. 10
2.5.2 Fan balancing .............................. 10
2.5.2.1 Conditions .............................. 11
2.5.3 Parameters .............................. 11
3 Remote Control .............................. 12
3.1.1 LCD functions .............................. 13
3.1.2 24h clock .............................. 13
3.1.3 Timer function .............................. 13
3.1.3.1 Examples for monday .............................. 14
3.1.4 Errors .............................. 15
4 Labvision .............................. 16
4.1 Program E2Prom .............................. 16
4.2 RC .............................. 17
4.3 MN .............................. 18
4.4 MN/RC modbus .............................. 19
4.5 RC display .............................. 19
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1 General
The control has the following specifications
Power Supply 230VAC (-15%, +10%) 50Hz (± 2%)
Ambient Temperature
Functional Storage
0 to +60C (32°F to 140°F (Peak temperatures, not continuous) (-25 to +75°C) (-13°F to 167°F)
Humidity 93% RV at 25°C (77°F) Fuses 230V mains T.B.D Protection According to
EN60529 IP00; Protection against electrical shock must be guaranteed by the appliance manufacturer.
Dimensions l × w × h 205mm×144mm×38mm (8,07’×5.67’×1,50’)
Weight 530 g (18,7oz)
Connections See chapter 4 Position No preference
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2 Control Functions By-pass
The heat recovery unit is equipped with two sensors T1_indoor & T2_outdoor.
Sensors T1 indoor sensor (NTC 12k@25°C β=3740)
This sensor measures the returned air temperature from the room
Set point T3 room set point temperature
Fans Exhaust fan, Supply fan
There are three ways to control heat recovery unit1. Modbus2. Remote Control3. Remote Control connected to Building Manage System
outdoor sensor (NTC 12k@25°C β=3740)This sensor measures the fresh air temperature from outside
T2
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2.1 Control modes
The control mode can be changed by pressing the MODE button (one or multiple times) on the 186RC. The following operational modes can be selected:
FAN COOL HEAT AUTO VOD
The next paragraphs are describing the different modes.
2.1.1 Mode 1: FAN
In this mode the unit will operate without checking the return air (T1_indoor) or outdoor temperature (T2_outdoor) sensors.
2.1.1.1 Fan
Fan speed default is medium if Mode is changed but can be changed with FAN button. The FAN button can select High, Med and Low speed for the separated Supply fan and Exhaust fan. The values are not settable.
2.1.1.2 By-pass Valve
By-pass valve is always closed.
2.1.2 Mode 2: COOL
During the summer season the COOL mode either can be manually selected with the remote control or automatically controlled via the BMS (Building Management System) inputs When BMS J5(5-13) is ON (closed) and season select input J5(1-9) is closed, the mode will be COOL. The BMS input has priority over the remote control setting.
2.1.2.1 Fan
Fan speed default is medium if Mode is changed but can be changed with FAN button. The FAN button can select High, Med and Low speed for the separated Supply fan and Exhaust fan. The values are not settable.
2.1.2.2 By-pass Valve
In COOL mode the damper valve will be controlled in accordance with following conditions.
temp_MIN_Outdoor_Cooling = 10°C temp_MAX_Outdoor_Cooling = 32°C
By-pass valve close conditions: 1. T2_outdoor > T1_indoor and
T3_setpoint < T1_indoor
2. and and
T2_outdoor > T1_indoorT3_setpoint > T1_indoorT2_outdoor > 32°C
3. and and
T2_outdoor < T1_indoorT3_setpoint < T1_indoorT2_outdoor < 10°C
4. andT2_outdoor < T1_indoorT3_setpoint > T1_indoor
By-pass valve open conditions: 1. T2_outdoor > T1_indoor +3 and
T3_setpoint > T1_indoor -2 T2_outdoor < 32°C
2. and and
T2_outdoor < T1_indoor -3T3_setpoint < T1_indoor -2T2_outdoor > 10°C
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2.1.3.3 Electrical heating elements
Maximal 3 electrical heating elements can be connected.
Configuration 1: 1,2 or 3 heating elements after the WTU unit, in the supply air to room duct. In this configuration the heating elements are switched on basis of T1_indoor temperature and T3_setpoint.
Configuration 2: 1 heating element before the WTU unit in the fresh air inlet duct. 2 or 3 heating elements after the WTU unit, in the supply air to room duct. In this configuration the heating elements 2 and 3 are switched on basis of T4_Room_sensor temperature and T3_setpoint. Heating element 1 is switched on basis of T2_sensor <= -7.
The algorithm for the 3 electrical heaters is how higher the delta temperature how more power is selected. For example Delta temperature from 10 degrees is full power.
Under table shows how the heaters are turned on and off with the same KW. For example Heater 1 = 3 KW, Heater 2 = 3 KW, Heater 3 = 3 KW
Under table shows how the heaters are turned on and off with the different KW. For example Heater 1 = 1 KW, Heater 2 = 2 KW, Heater 3 = 5 KW
Heater configuration is written in EEPROM (§2.5.3 Parameters).
Degrees Degrees Heater 1 Heater 2 Heater 3 kWatt 0 3,3 X - - 3
3,3 6,6 X X - 6 6,6 >10 X X X 9
Degrees Degrees Heater 1 Heater 2 Heater 3 kWatt 0 1,4 X - - 1
1,4 2,8 - X - 2 2,8 4,2 X X - 3 4,2 5,7 - - X 5 5,7 7,1 X - X 6 7,1 8,5 - X X 7 8,5 >10 X X X 8
2.1.3 Mode 3: HEAT
2.1.3.1 Fan
Fan speed default is medium if Mode is changed but can be changed with FAN button. The FAN button can select High, Med and Low speed for the separated Supply fan and Exhaust fan. The values are not settable.
2.1.3.2 By-pass Valve
In HEAT mode the damper valve will be controlled in accordance with following conditions.
temp_MIN_Outdoor_Heating = 15°C temp_MIN_Outdoor_Heating = 35°C
During the summer season the HEAT mode either can be manually selected with the remote control or automatically controlled via the BMS (Building Management System) inputs When BMS J5(5-13) is ON (closed) and season select input J5(1-9) is open, the mode will be HEAT. The BMS input has priority over the remote control setting.
By-pass valve close conditions: 1. T2_outdoor < T1_indoor and
T3_setpoint < T1_indoor and T2_outdoor <15°C
2. T2_outdoor > T1_indoor andT3_setpoint > T1_indoor andT2_outdoor >35°C
3. T2_outdoor < T1_indoor andT3_setpoint > T1_indoor
4. T2_outdoor > T1_indoor andT3_setpoint < T1_indoor
By-pass valve open conditions: 1. T2_outdoor < T1_indoor +3 and
T3_setpoint < T1_indoor +2 and T2_outdoor >15°C
2. T2_outdoor > T1_indoor -3 andT3_setpoint > T1_indoor -2 andT2_outdoor <35°C
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2.1.5.1 Fan
Fan speed controlled with VOD and cannot be controlled with FAN button.
2.1.5.2 By-pass Valve
By-pass valve is always closed.
2.2 BMS
Building Manage System can be set on the Main board. If the BMS is on the Remote Controller is not controlling the heat recovery unit. If the BMS was active and the heater(s) were on, the heat recovery unit fans stay on for 120 seconds when the heat recovey unit is switch off. The BMS uses 3 inputs from the Main board.
2.2.1 BMS
The BMS function dis (en) - abled the remote control controlling the temperature.
2.2.2 BMS unit
The BMS unit on and off function turns the unit on and off. The fans are going off in off state.
2.2.3 Season select
The BMS uses the input for the deferens between summer 2.1.2 Mode 2: COOL and winter 2.1.3 Mode 3: H.
2.3 Filter check
On the Remote Controle the filter check is displayed if filter time over is. Filter timer is in 10 hours and default 1200 hours. The filter timer is deceased if the fans are on.
2.4 Modbus
With the communication protocol MODBUS you can connect a HMI. The default setting for the Modbus (slave) address is 1. The address setting resides in the e2prom and can be changed if required. This can be done with the help of Labvision via the Senso Argus link connection Modbus communicates using words (the contents of 16bit holding registers). The data that is offered by the 186MN is organised as a list of bytes. Read/Write address (of the holding registers). If bit Write disable is set then MN is communicating with RC. If bit Master is set the RC cannot be controlled by hand or BMS. If bit Master is reset the Modbus can read all data from the system. In the next paragraph is a description of Modbus configuration and architecture and example for read and write.
This HMI uses the following commando’s in table on next page.
2.1.4 Mode 4: AUTO
In the auto mode the control selects automatically, dependent on the outdoor temperature, if it is summer or winter season. In accordance with the selected season the unit will work in cool or heat mode as described in previous paragraphs.
Summer season is selected when T2_outdoor > season_auto_switch_temp+ season_ hysterese_up
Winter season is selected when T2_outdoor < season_auto_switch_temp - season_hysterese_down
2.1.5 Mode 5: VOD
When VOD (Ventilation On Demand) is selected the fan speed is controlled by the analog 0.10V input signal. At 0..1V the fans are running at minimum VOD speed and at 9..10V the fans are running at maximum speed for VOD. In between the fan speed is linear controlled.
The min and max fan speeds for VOD are adjustable and are always within the appliance min/max fan speeds. The min/max fan speed range for VOD is divided in three smaller ranges. When the actual fan speed is within the lowest range, the display shows only one fan bar, etc.
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nr Read Write
bits Parameter Default Range
0 0-1 0 0-4 1 1-3
1.1 R/W 7 Run 1.1 R/W 6-4 Operation Modes, fan, heat, cool, auto,VOD 1.1 R/W 3-2 Exhaust fan speed (low,med,high) 1.1 R/W 1-0 Supply fan speed (low,med,high) 1 1-3
Reserved - 1.2 R/W 7 1.2 R/W 6 Master 0 0-1 1.2 R 5 By-pass 0 0-1 1.2 R/W 4-0 Set point + 1 16 16-32
2.3 R/W 7-0 filter time(1 = 10 min) 12 0-2550
2.4 R/W 7-6 Reserved - 2.4 R/W 5 Set clock with on time 0 0-1 2.4 R/W 4 Reserved - 2.4 R/W 3 block 1 or 2 0 0-1 2.4 R/W 2-0 day 1-7 ** 1 1-7
-1 --.--,0-23 3.5 R/W 7-0 On time in hours 3.6 R/W 7-0 On time in minutes -1 --.--,0-59
-1 --.--,0-23 4.7 R/W 7-0 Off time in hours 4.8 R/W 7-0 Off time in minutes -1 --.--,0-59
5.9 R 7 Write disable 0 0-1 5.9 R 6-0 Errors 0 0-126 5.A R 7-0 Temp - -30-80
(*) Depending on the type of Modbus software used, the holding register addressing range starts either at 0x0000 or at 0x0001. If your Modbus software starts addressing from 0x0000 you can use the holding register addresses shown in the table above. If your Modbus software addressing range starts at 0x0001 then add 1 to the holding register addresses listed in the table above. This is also true for the various test tools available for Modbus…
Tabdial32 starts at 0x0000. ( http://www.leroy-automation.com/free%20softwares.html ) The Tabdial32 tool does not support the write single holding register command.
Modbus Tester ( http://www.modbus.pl/downloads.htm ) starts at 0x0001.(**) If 2.4 byte is written the Remote control writes the 3 and 4 nr bytes also in his memory of the display.
2.4.1 Convert table for Lennox
CAS Holding register
Access Heat recovery Unit Basic
Parameter name Conversion Range R W
101 100 0064 X 102 101 0065 X 103 102 0066 X X 104 103 0067 X X 105 104 0068 X 106 105 0069 X 107 106 006A X X 108 107 006B X X V 109 108 006C X X V 110 109 006D X X V 111 110 006E X 112 111 006F X V 113 112 0070 X V 114 113 0071 X 115 114 0072 X 116 115 0073 X 117 116 0074 X118 117 0075 X X 119 118 0076 X X 120 119 0077 X X 121 120 0078 X X V 122 121 0079 X X V 123 122 007A X X V 124 123 007B X X V
Bit0: °C / °F, Bit1: bar / psi Reserved (186) Stop, Run No/Yes See error list reserved Operation Modes: fan, heat, cool, auto, VOD 16 - 32 °C Low, Med, High(1,2,3) Low, Med, High(1,2,3) -+xxx.xx / 100 -+xxx.xx / 100 -+xxx.xx / 100 Output 0 -1 Output 0 - 1 Output 0 - 1 0..100% x10 minutes 0-1 1-7 (Monday = 1) --.--, 00 – 23 hours --.--, 00 – 59 minutes --.--, 00 – 23 hours --.--, 00 – 59 minutes
.. .. .. 200 199 00C7
Modbus Units Device type State Master is Modbus Error Code Warning Code Status Set point Fan speed Exhaust Fan speed Supply Room Temperature Indoor sensor Outdoor sensor BMS BMS unit Season Bypass Valve (relay) Filter time Block 1 or 2 Day 1-7 On time in hours On time in minutes Off time in hours Off time in minutes reserved
reserved
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2.4.2 Configuration line
The table below summarises the Modbus configuration details;
Modbus configuration Protocol Modbus RTU Default slave address 0x01 (settable with LabVision) Supported Modbus commands Read Holding registers (0x03)(*1)
Write single holding register (0x06)Baud rate 9600bps Data Length 8 Parity None Stop Bits 1 Physical layer RS485 (two wire) Modbus 1 A connection J16-4 Modbus 1 B connection J16-8 Time out 60 seconds
(*1)Because of limited buffer size in the 186MN a maximum of 8 registers, at one time (per frame) can be read.
2.4.3 Connection
Senso Argus Link in red has a speed of 1200 Baud and is connected between main board and remote control. Modbus in blue J16-4 A to T+, pink J16-8 B to T- has a speed of 9600 Baud and is connected between main board and HMI. IMPORTANT is to remember Senso Argus Link has to communicate with main board to control the system. The HMI has to send his data not faster as 1200 baud – time to assimilate the send data – time to control system.
MOD
FAN COOL HEAT AUTO VOD
FAN
HIGH MED LOW
EXHAUST FAN
MON TUE WED THU FRI SAT SUN
SET
12.0 25 º SET
BY – PASS FUNCTION
FILTER CHECK
RUN/STO
MODE
HRV
SELECT
FAN SPEED TIMER RESET
DAY SCHEDULE OK
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2.4.4 Working with Modbus
The Modbus communication goes from the Main (MN) board, MN is slave. The data goes from MN to the Remote Control (RC) with communication protocol Senso Argus link. The RC is master and the MN is slave. The Modbus is 8 times faster as the Senso Argus Link communication. First the data has to be send to RC and back before the Modbus master can send the next command. Modbus does not communicate with MN after 60 seconds the RC is going out and Modbus is no longer master.
The figure is showing the communication between RC and MN with Modbus and Senso Argus Link. The blue line is read communication and the red is write communication beginning with the Modbus packets. In the next paragraphs the packets are explained.
2.4.4.1 Read Commando
The table on the right shows an example of a Read frame. MN is receiving Read commando 03 MN asks data of Read buffer RC sends Write module data to Read Buffer of MN
2.4.4.2 Write Commando
The table on the right shows an example of a Write frame. MN is receiving Write commando 06 MN Write buffer receives data MN Set write disable bit in MN Write buffer MN Set write disable bit in MN Read buffer RC reads MN Write buffer in Read module RC Write module reads Buffer RC Reset write disable bit in Write buffer RC Write module sends to MN Read buffer MN Reset write disable bit in MN Write buffer
The packets can be written if: Data byte is with in the right range The write disable bit zero is.
Bytes Description 01 # slave 03 commando 00 start addr H 00 start addr L 00 # data H 01 # data L 84 Checksum H 0A Checksum L
Bytes Description 01 # slave 06 commando 00 start addr H 00 start addr L 00 # data H 00 # data L 89 Checksum H CA Checksum L
MODBUS MASTER
READ BUFFER WRITE
WRITE BUFFER
READ
BUFFER ARGUS LINK
MFAN C
FANEXHAUST
S
1 2 º
BY FI
RU
M
H
SEL
FAN TI R
D SCH O
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2.4.5 Example Read
nr Read Write
bits Parameter Default Range
5.9 R 7 Write disable 0 0-1 5.9 R 6-0 Errors 0 0-126 5.A R 7-0 Temp - -30-80
2.4.6 Example Write
nr Read Write
bits Parameter Default Range
0 0-1 0 0-5 1 1-3
1.1 R/W 7 Run 1.1 R/W 6-4 Operation Modes, fan, heat, cool, auto,VOD 1.1 R/W 3-2 Exhaust fan speed (low,med,high) 1.1 R/W 1-0 Supply fan speed (low,med,high) 1 1-3
reserved - 1.2 R/W 7 1.2 R/W 6 Master is Modbus 0 0-1 1.2 R 5 By-pass 0 0-1 1.2 R/W 4-0 Set point 16 16-32
Bytes Description Bits 01 # slave 0000.0001 03 00 00
commando 0000.0003 start addr H 0000.0000 start addr L 0000.0005
00 # data H WEEE.EEEE 01 # data L TTTT.TTTT ?? Checksum H ?? Checksum L
Bytes Description Bits 01 # slave 0000.0001 06 00 01
commando 0000.0006 start addr H 0000.0000 start addr L 0000.0001
00 # data H ROOO.EESS 00 # data L rMBS.SSSS ?? Checksum H ?? Checksum L
2.5 System set-up
2.5.1 Fan speeds
The control works with two different types of min/max limits:
1. Absolute fan speed min/max settingsSettings are factory set and cannot be changed. The fans are always operating within these limits
2. VOD fan min/max settingsThese min/max settings are applicable when the unit works in VOD mode, but are always within the absolutelimits (no. 1). The limits will be corrected with the fan balancing offset (§ 2.5.2) if not zero.
2.5.2 Fan balancing
Fan balancing can be used to adjust the supply and exhaust air ratio. This can be done by changing the parameter offset_supply_exhaust_air.
In case of a negative offset the exhaust fan speed is below the supply fan speed In case of a positive offset the exhaust fan speed is above the supply fan speed. When the offset is 0 the exhaust and supply fan speed is equal.
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Negative Offset Positive Offset
When VOD (§ 2.1.5) is selected the target fan speed applies to supply fan and is used as reference to adjust the exhaust fan with an offset. The offset also applies to the minimum and maximum fan speed settings in such a way that always an offset remains,
2.5.2.1 Conditions
There are several conditions for the fan balancing: Exhaust_Fan_MAX > 90 Exhaust_Fan_MAX Exhaust_Fan_MAX Exhaust_Fan_MIN Exhaust_Fan_MIN Supply_Fan_MAX Supply_Fan_MAX Supply_Fan_MIN Supply_Fan_MIN Supply_Fan_MIN
<= 255 >= 90 <= 255 < Exhaust_Fan_MAX > 90 <= 255 >= 90 < 255 < Supply_Fan_MAX
VOD_MAX_Fan_speed <= Exhaust_Fan_MAX VOD_MIN_Fan_speed >= Exhaust_Fan_MIN
SUPPLY FAN EXHAUST FAN
HI
MED
LOW
HI
MED
LOW
FAN
SPE
ED OFFSET
SUPPLY FAN EXHAUST FAN
HI
MED
LOW
HI
MED
LOW
FAN
SPE
ED OFFSET
Supply Fan is adjusted because the limit of the fan MAX and MIN is reaches. Negative Offset is Supply Fan LOW = Exhaust Fan + Offset Positive Offset is Supply Fan HI = Exhaust Fan - Offset The fan settings for LOW, MED, HI speed are applicable for the supply fan speed, in case of an offset the supply speed is used as reference to correct the exhaust fan speed.
2.5.3 Parameters
Parameter Unit Default Range Reference § Room_Setpoint ºC 20 10..40 2.1.2 Exhaust_Fan 170 90..255 2.1.1 Exhaust_Fan_MIN 90 90..255 2.1.1 Exhaust_Fan_MED 170 90..255 2.1.1 Exhaust_Fan_MAX 255 90..255 2.1.1 Supply_Fan 170 90..255 2.1.1 Supply_Fan_MIN 90 90..255 2.1.1 Supply_Fan_MED 170 90..255 2.1.1 Supply_Fan_MAX 255 90..255 2.1.1 Operation_Mode 0 0..5 2.1 Temp_MAX_Outdoor_Cooling ºC 32 10..40 2.1.2 Temp_MIN_Outdoor_Cooling ºC 10 10..40 2.1.2 Temp_MAX_Outdoor_Heater ºC 35 10..40 2.1.3 Temp_MIN_Outdoor_Heater ºC 15 10..40 2.1.3 Temp_AUTO_Season ºC 25 10..40 2.1.4 Temp_HYST_UP_Season ºC 0 10..40 2.1.4 Temp_HYST_DOWN_Season ºC 4 10..40 2.1.4 Heater1_config KW 1 1..255 2.1.3.3 Heater2_config KW 2 1..255 2.1.3.3 Heater3_config KW 5 1..255 2.1.3.3 Heaters_config 1 0..1 2.1.3.3 Heaters_Hysterese 1 1..2 2.1.3.3 VOD_MIN_Fan_speed 250 90..255 2.1.5 VOD_MAX_Fan_speed 100 90..255 2.1.5 Offset_Supply_Exhaust_Air 0 -10..10 2.5.2 BMS heater post purge time second 120 10-255 2.2 Filter_check_time hours 1200 10..255 2.3
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3 Remote Control
The buttons and display have a short description. In the further paragraphs an explanation of LCD screen, Timer function and Errors are described.
RUN/STOP When the backlight and led is off, press the button once to turn the unit on. When the unit is “on” press RUN/STOP 2 seconds to switch it off. The button can be pushed to turn the Remote Control on. Button doesn’t react if BMS is active. All others buttons work if the on RUN led on or timer mode is active. Then the LCD is blinking the word ‘mode’ in left upper corner.
Increase/decrease set point room temperature (SET TEMP is on)
MODE Press to select the listed modes of operation (FAN, COOL, HEAT, AUTO, VOD). Every time a button is pressed a next mode lights up. After a 5 seconds delay the mode will be activated. The text MODE on display is always visible.
FAN SPEED With this button the fan speed of the exhaust and supply fan can be changed. Pressing once: text FAN lights up. “EXHAUST FAN” and current fan
speed (text) starts blinking Use buttons to select fan speed (high, med, low) Press OK to confirm “SUPPLY FAN” and current fan speed (text) starts blinking Use buttons to select fan speed (high, med, low) Press OK to confirm
MODE
FAN COOL HEAT AUTO VOD
FAN
HIGH MED LOW
EXHAUST FAN SUPPLY FAN
MON TUE WED THU FRI SAT
SET
12.00 25º CSET TEMP
BY – PASS
FILTER CHECK
RUN/STOP
MODE
HRV
SELECT
FAN SPEED TIMER RESET
DAY SCHEDULE OK
HRV
TIMER
Bypass on when possible
Press 3 seconds to SET the timer function.
TIMER + MODE
Press 2 seconds both buttons the timer is now active. The display shows ‘MODE’ is blinking in de left upper corner.
TIMER + Press 2 seconds both buttons the timer is now active. The display shows FAN SPEED ‘addr’ is showing in time position, on position temp the address of Modbus is
showing. ‘- -‘ means the display is retrieving the Modbus address.
RESET Press to reset filter check when display shows FILTER CHECK.
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3.1.1 LCD functions
3.1.2 24h clock
The remote control has an integrated 24h clock which is factory set at UTC+2 time. The internal battery supplies the clock when the remote is not connected.
Change time
Press OK button for 3 seconds, time starts blinking Change time with buttons. Time starts to change faster are pressed for a while. Press OK to confirm, current day starts blinking Change day with buttons. Press OK to confirm
Press RUN/STOP to stop immediately and go back to normal operation
MODE
FAN COOL HEAT AUTO VOD
EXHAUST FAN SUPPLY FAN
MON TUE WED THU FRI SAT SUN SET
12.00 25 º CSET TEMP
BY – PASS FUNCTION
FILTER CHECK
FAN
HIGH MED LOW
Sho ws active mode
of op eration
Shows actual fan speed of supply and exhaust fan
Lights up when By-Pass is open
Lights up when filters should be checked
Only visible when changing fan speed
Shows current day
Actual time or timer blocks
Actual room temp or set point
When blinking Timer is active
3.1.3 Timer function
The timer function can be used to program block times in which the unit is operating. Outside the blocks the unit is off.
The timer function makes it possible to program 2 on/off times per day.
Program Timer Blocks Press TIMER button for 3 seconds, day MON starts blinking, all other LCD segments are off
Press DAY button (one or more times) to select the day to be set Press OK to confirm, the selected day is permanent on
The temp display shows which means timer block 1 “on” time can be programmed Adjust the “on” time with the DAY and SCHEDULE buttons, press OK to confirm
Next the timer block 1 “off” time can be programmed, the temp display shows Again adjust the “off” time with the DAY and SCHEDULE buttons, press OK to confirm
Next the timer block 2 “on” time can be programmed, the temp display shows Adjust the “on” time with the DAY and SCHEDULE buttons, press OK to confirm
The temp display shows which means timer block 2 “off” time can be programmed Again adjust the “off” time with the DAY and SCHEDULE buttons, press OK to confirm Now the next day starts blinking and can be programmed accordingly as described above.
To exit the programming mode press OK for 3 second or wait 1 minute
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Additional features
A specific “on” or “off” time can be deleted by pressing RESET when programming the
time block. If deleted the time display shows: and the time is not used. When for example the unit is “on” on Monday and no “off” time is programmed that day
anymore, the unit remains “on” until the first “off” time is reached the next day(s).Thesame sequence is used when the unit would be “off”
3.1.3.1 Examples for monday
Example 1 – normal blocks Time display Block
1st “on” time - unit starts on Monday at 8:00
1st “off” time - unit stops on Monday at 12:00
2nd “on” time - unit starts on Monday at 14:00
2nd “off” time - unit stops on Monday at 18:00
Example 2 – overlapping blocks Time display Block
1st “on” time - unit starts on Monday at 8:00
1st “off” time - unit stops on Monday at 12:00
2nd “on” time – No action Time programmed before 1st stop time, unit remains off
2nd “off” time - No action Unit was not operating, so remains off.
Example 3 – Ignored times Time display Block
1st “on” time - unit starts on Monday at 8:00
1st “off” time – No action Unit remains “on”
2nd “on” time – No action Unit remains “on”
2nd “off” time - unit stops on Monday at 18:00
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3.1.4 Errors
In the figure you can see what errors are displayed on the remote control. When there are errors
the remote control switch off the heat recovery unit.
Relay OK is closed with error relay is open.
Relay ALARM is open with error relay is closed
MODE 2 MON = TUE2 WED THU FRI SAT SUN SET TEMP
No error EXHAUST FAN SUFan proPPLY FANof
31 11 EEr
No Error = - Fan overheat 1 = 1 Fan overheat Fan overheat
SE1,2
T = 3
= - = 1
No error = - Heating high limit = 1
No error = - Heating control = 1
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4 Labvision With Labvision the system can be tested and programmed. Application Labvision runs on PC. PC is connected Senso Argus USB mouse to the Senso Argus Link. For each board and functions are project defined. There are 4 projects defined in Labvision. But first a short description how to program the E2Prom.
4.1 Program E2Prom
To program E2Prom select in the menu ‘Tools’ above in the screen.
Select to program board RC has address 2 or MN has address 100.
After pushed on ‘OK’ button the board is programmed with the selected file.
E2Prom was programmed correctly.
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4.2 RC
This project shows all E2prom variables and variables that are set when the Remote Control is running. By pointing at a red label the variable can be changed.
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4.3 MN
This project shows variables that are set when the Main Controller is running. The buttons can be pushed to change a variable. Each connector on the board has a color to see where the variable is connected physically.
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4.4 MN/RC modbus
This project shows variables that are set when the Main Controller is connected with Remote control and modbus. The information on the screen are divided in several items:
1. Read buffer in MN has the data which reads by Modbus master.2. Write buffer in MN has the data which written by Modbus master.3. Read/Write in RC is the modbus information.4. Modbus Device address is set in E2Prom5. Mobus_write_enable shows when the Modbus master can write.6. Exit timer shows when the Modbus master is disconnected when no data is send.7. TX and RX bytes between Modbus master and MN.
4.5 RC display
This project shows information on Remote Control and Timer saved information.
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5 System Test If the software is changed we do several tests to make sure the software is correct. Test the different modes of the system:
1. MODBUS2. BMS3. RC4. ERROR5. MODE HEATER6. MODE AUTO7. MODE VOD
5.1 Modbus
The program CAS Modbus scanner can receive and send the correct commando’s. Labvision is used to check if all variables are correct. The next test actions are after power up the system:
5.1.1 Labvision
Select in labvision project F4. Clear History with Menu-> tools-> clear history.
At the bottom you can see if Senso Argus link is correct the blue in gray balk is running.By checking the checksum list you can see the correct checksum of RC and MN board.
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5.1.2 Modbus tester production 06
The table has A to Q commando’s for the Modbus tool. Check all commando’s in labvison screen. By step I in table the display is off but the fans are on for cooling the heaters. In the first table we test the Purge time, run, mode, master Modbus, exhaust fan, supply fan, set point degrees.
PURGE RUN MODE M EXH SUP º C BYTE 1 BYTE 2 HEX DEC A OFF 1 10 1000.0101 0100.1010 8545 34117
1 18 1000.1010 0101.0001 8A51 35409 1 19 1000.1111 0101.0010 8F52 36690 1 20 1001.0101 0101.0011 9553 38227 1 21 1001.1010 0101.0100 9A54 39508
B OFF C OFF D OFF E OFF F OFF 1 22 1001.1111 0101.0101 9F55 40789 G ON 1 23 1010.0101 0101.0110 A556 42326 H ON 1
FAN 1 LOW LOW FAN 1 MED MED FAN 1 HIGH HIGH
COOL 1 LOW LOW COOL 1 MED MED COOL 1 HIGH HIGH HEAT 1 LOW LOW HEAT 1 MED MED 32 1010.1010 0101.1111 AA5F 43615
I CHECK 0 0 0 LOW LOW 17 0000.0101 0001.0000 0510 1296 J ON 1 25 1010.1111 0101.1000 AF58 44888 K OFF 1 26 1010.0101 0101.1001 A559 42329 L OFF 1 27 1010.1010 0101.1010 AA5A 43610 M OFF 1
HEAT 1 HIGH HIGH VOD 1 LOW LOW VOD 1 MED MED VOD 1 HIGH HIGH 28 1010.1111 0101.1011 AF5B 44891
N OFF 1 100 1 LOW LOW 29 1010.0101 0101.1100 A55C 42332 O OFF 1 100 30 1010.1010 0101.1101 AA5D 43613 Q OFF 1 100
1 MED MED 1 HIGH HIGH 32 1010.1111 0101.1111 AF5F 44895
FILTERTIME TIME SET BLOCK DAY BYTE 3 BYTE 4 HEX DEC R 30 0 1 Monday 0000.0011 0000.0001 0301 769 S 100 0 2 Tuesday 0000.1010 0000.1010 0A0A 2570 T 500 0 1 Wednesday 0011.0010 0000.0011 3203 12803 U 1000 0 2 Thursday 0110.0100 0000.1100 640C 25612 V 1500 0 1 Friday 1001.0110 0000.0101 9605 38405 W 2000 0 2 Saturday 1101.1100 0000.1110 DC0E 56334 X 2550 0 2 Sunday 1111.1111 0000.1111 FF0F 65295 Y 2550 1 1 Sunday 1111.1111 0010.0111 FF27 65319
ON h ON m BYTE 5 BYTY 6 HEX DEC R -- -- 1111.1111 1111.1111 FFFF 65535 S 00 00 0000.0000 0000.0000 0000 0 T 12 00 0000.1100 0000.0000 0C00 3072 U -- -- 1111.1111 1111.1111 FFFF 65535 V -- -- 1111.1111 1111.1111 FFFF 65535 W 07 00 0000.0111 0000.0000 0700 1792 X 08 00 0000.1000 0000.0000 0800 2048 Y 08 00 0000.1000 0000.0000 0800 2048
OFF h OFF m BYTE 7 BYTE 8 HEX DEC R -- -- 1111.1111 1111.1111 FFFF 65535 S 23 59 0001.0111 0011.1011 173B 5947 T -- -- 1111.1111 1111.1111 FFFF 65535 U 18 00 0001.0010 0000.0000 1200 4608 V -- -- 1111.1111 1111.1111 FFFF 65535 W 07 01 0000.0111 0000.0001 0701 1793 X 08 01 0000.1000 0000.0001 0801 2049 Y 08 01 0000.1000 0000.0001 0801 2049
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5.1.3 Labvision
This is the final screen after the test.
5.2 BMS
BMS is Building Manage System connected with 3 lines BMS, Unit, Season. Labvision is used to check if all variables are correct project F2 MN. Follow points to test the BMS. Which heater are on with difference of Set Point Room or Indoor sensor. The best way is set Heater config to INDOOR and change Set point on RC.
MASTER BMS UNIT SEASON Result ON ON OFF HEAT No BMS, Modbus is on OFF ON OFF HEAT HEAT is blinking OFF ON OFF COOL COOL is blinking OFF ON ON COOL COOL is blinking, LED is on, input fan speed possible OFF ON ON HEAT HEAT is blinking, LED is on, input fan speed possible OFF OFF ON HEAT HEAT is on, LED is off, fan speed purge
*Check the heater relays!
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5.3 RC
RC will be test the system with use of the buttons. Follow points to test the RC.
5.4 Error
Errors on the system can we test with 4 lines. Named errors are Heater Control, Heater High, Overheat 1 and Overheat 2. Follow points to test the errors.
5.5 Bypass valve
Push ‘HRV’ button for bypass in mode fan on and off picture is blinking.
5.6 Fans EC and AC
Connect 2 EC fans to connector J21. Connect AC fan to connector J6 and AC fan to connector J13. Mode Fan and select all speeds LOW, MED, HIGH. Look and hear if they work.
MOD BUS
BMS BMS UNIT
Push button
Result
ON ON ON RUN None OFF ON ON RUN None
FAN LED on, fan speed can be changed V set point down 16-32
OFF ON/OFF ON/OFF OFF ON/OFF ON/OFF OFF ON/OFF ON/OFF Ʌ set point up 16-32 OFF OFF OFF MODE fans on medium speed OFF OFF OFF MODE AUTO fan speed cannot be changed OFF OFF OFF MODE VOD fan speed cannot be changed OFF OFF OFF HRV 5 seconds then bypass ON OFF OFF OFF TIMER 2 seconds then set blocks OFF OFF OFF UP change date in set blocks OFF OFF OFF DOWN change date in set blocks OFF OFF OFF OK leave date set blocks set block 1 OFF OFF OFF UP change block time in set blocks OFF OFF OFF DOWN change block time in set blocks OFF OFF OFF RESET - - . - - block time in set blocks OFF OFF OFF OK 5 seconds leave set blocks OFF OFF OFF TIMER MODE 3 seconds MODE blinking, timer is ON
OVER 1 OVER 2 FAN CTRL HIGH 1 2 3 4 ON ON OFF ON ON ON ON OFF ON OFF - - - 1 ON ON OFF OFF OFF - - 1 1 ON ON ON OFF OFF - 1 1 1 ON OFF ON OFF OFF 1 1 1 1 OFF ON ON OFF OFF 2 1 1 1 OFF OFF ON OFF OFF 3 1 1 1
5.7 Mode Fan
Test in fan mode if the Bypass valve is always closed.
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5.8 Mode COOL
Several conditions in described in paragraph 2.1.2. Test the bypass valve. If Bypass valve is open there is a hysteresis of 1 degrees to close the Bypass valve.
5.9 Mode HEAT
Several conditions in described in paragraph 2.1.3. Test the bypass valve. If Bypass valve is open there is a hysteresis of 1 degrees to close the Bypass valve.
The following table shows which heater are on with difference of Set Point Room or Indoor sensor. The best way is set Heater config to INDOOR and change Set point on RC. For example Heater 1 = 1 KW, Heater 2 = 2 KW, Heater 3 = 5 KW, Heater Hysteresis = 0
*Check if the heater are going on and off in RC mode, Timer mode, BMS mode, Modbus mode.
5.9.1 Post purge
In heat mode if the heaters where on the fan stay on for default 120 seconds.
Nr T1 Indoor
T2 Outdoor
T3 Set Point
T1<T2 T1>T3 T2< Min
T2> Max
Bypass Valve
1 20 25 18 1 1 0 0 closed 2 * 35 * * * 0 1 closed 3 * 9 * * * 1 0 closed 4 20 15 22 0 0 0 0 closed 1 20 25 22 1 0 0 0 open 2 20 25 18 0 1 0 0 open
Nr T1 Indoor
T2 Outdoor
T3 Set Point
T1<T2 T1>T3 T2< Min
T2> Max
Bypass Valve
1 * 15 * * * 1 0 closed 2 * 35 * * * 0 1 closed 3 20 18 20 0 0 0 0 closed 4 20 22 18 1 1 0 0 closed 1 20 18 19 0 1 0 0 open 2 20 22 21 1 0 0 0 open
Degrees Degrees Heater 1 Heater 2 Heater 3 kWatt 0 1,4 X - - 1
1,4 2,8 - X - 2 2,8 4,2 X X - 3 4,2 5,7 - - X 5 5,7 7,1 X - X 6 7,1 8,5 - X X 7 8,5 >10 X X X 8
5.10 Mode AUTO
Auto mode is selected with the outdoor sensor T2. Default season selected on 25 degrees. Hysteresis up is zero and down 4 degrees. Summer season is selected when T2 Outdoor > 25 Winter season is selected when T2 outdoor < 21
5.11 Mode VOD
Connect J15of MN board with – en + to power supply. Default values of VOD values.
Nr Exhaust Fan Supply Fan 0 101 101 3 145 145 6 190 190
10 250 250
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5.12 Weekly Timer
Weekly Timer works only when no BMS or Modbus is connected. To activate the Weekly Timer press button RUN/STOP. RC is on, led is on. Press Timer button and immediately button mode for 3 seconds. Mode is blinking in the left upper corner. Change Monday BLOCK 1 ON hour in 12 minutes in 2 and the rest of data as in picture below.
Change mode in Heat and Room Set Point to more as room temperature. In the table you can see what is changing. Default post purge on 120 seconds.
Time Fans Heater LED 12:02 ON ON ON 12:03 ON OFF OFF 12:05 OFF OFF OFF 12:06 ON ON ON 12:07 ON OFF OFF 12:09 OFF OFF OFF
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6 Connections to the Senso Argus 186 main board
6.1 PCB layout
In following print layout, the connectors and components are visualized. °
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6.2 Connection diagram
AR
GU
S 1
86M
N
Remote Control
M
L
PE
N
L
PE
N M
J15 J10
PE N 230 VAC,50 Hz L
J2-1 J2-2 J2-3
J5-1 J5-9 J5-2 J5-10
J5-3 J5 -1 1
J5-4 J5-12
J5-5 J5-13
J5-6 J5-14 J5-7 J5-15 J5-8 J5-16
J16-1 J16-5 J16-2 J16-6
J16-3 J16-7
J16-4 J16-8
J9-2 J9-5 J9-3 J9-6 J9-4 J9-7
J13-2 J13-1 J13-3
J13-4 J13-6 J13-5 J13-6
J7-2 J7-3 J7-4 J7-5
J6-1 J6-3 J6-2
J4-2 J4-1 J4-4
J21-1 J21-2 J21-3 J21-4 J21-5 J21-6
Power 12 - Volt Powe r 12 + Volt 0-10 - Volt 0-10 + Volt
Fan pr oof
MODBU
S A B
Seaso n select
Heating
High Limit Switch 11
0 C
Heatin g Control Switch 70 C
BMS( on/off)
BM S UNIT(on/off)
Indo or sensor
Outdoor sensor
Heating Element Relay 1 230VAC Heating Element Relay 2 230VAC Heating Element Relay 3 230VAC
Exhaust Fan Air 230VAC / 480W MAX
Fan overheat 1
Fan overheat 2
Ok NO Potential free Alarm NC Potential free
Supply Fan Air 230VAC / 480W MAX
BYPASS valve NC BYPASS valve NO 230 VAC
PWM OUT 1 HALL 1 Vss PWM OUT 2 HALL 2 12 volt
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6.3 Connector description
Connector Pin Pin Description J2 (Stelvio, BS95/4A + CT84) (Stocko, MKF 2800 series)
1 2 3
Earth 230V neutral 230V phase
Mains input The control is equipped with one fuse, in the phase. The fuse-holder is appropriate for glass fusses of 5x20 mm. The control is default equipped with one TBD slow fuse. This value may be lowered.
The mains cable must be at least 3x0.75mm2
Connector Pin Pin Description J4 (Stelvio, BS95/4A + CT84) (Stocko, MKF 2800 series)
1 2 3
Earth Supply fan 230V Supply fan Neutral
Supply fan Fan Triac output, max output is 480W Maximal cable length is 1 meter
Connector Pin Pin Description J5 (Molex, Minifit Jr. 5557 2x8 receptacle with terminals 5556)
9-1 10-2 11-3 12-4 13-5 14-6 15-7 16-8
Season select input Remote Control (Senso Argus Link) High Limit Switch 110°C Heating Control Switch 70°C BMS (on/off) input BMS unit (on/off) input Indoor Sensor (NTC) Outdoor sensor (NTC)
Sensor input All these sensor inputs carry a voltage of 5 V. The maximum cable length is 1 meter.
The sensors connected to the control should be free from the appliance earth.
All NTC's have a resistance of 12k@25°C β=3740. Temp-range NTC is -10°C to 118 °C
Connector Pin Pin Description J6 (Stelvio, BS95/3A + CT84) (Stocko, MKF 2800 series)
1 2 3
230V Bypass valve open 230V Bypass valve close (optional) 230V Common Neutral
Bypass valve Usable output current is 0,5A, cos φ = 0.7. Maximal cable length is 1 meter
Connector Pin Pin Description J7 (Stelvio, BS95/5A + CT84) (Stocko, MKF 2800 series)
1 2-3
4-5
Common Protective Earth (PE) Normal operation OK output (NO) Potential free Alarm output (NC) Potential free
BMS status output Usable output current is TBD. Maximal cable length is TBD meter
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Connector Pin Pin Description J9 (Stelvio, BS95/7A + CT84) (Stocko, MKF 2800 series)
1 2-5 3-6 4-7
Earth Output heating element relay #1 (230VAC) Output heating element relay #1 (230VAC) Output heating element relay #1 (230VAC)
Heating outputs Usable output current is TBD. Maximal cable length is TBD meter.
Connector Pin Pin Description J10
Programming Header Connector to re-program the MN processor using an Senso Argus-to-ICP device. (See also J15)
Connector Pin Pin Description J13 (Stelvio, BS95/6A + CT84) (Stocko, MKF 2800 series)
1 2 3 4 5 6
Earth Exhaust fan Neutral Exhaust fan 230V Fan overheat stat 1 (230VAC) Fan overheat stat 2 (230VAC) Fan Overheat Neutral
Overheat (230VAC)
Exhaust fan
Overheat
Fan
Fan overheat stat connected to pin 5 and 6 makes that it is placed in series with the heating element relays (ECO device).
Triac output, max output is 480W Maximal cable length is 1 meter
Connector Pin Pin Description J15
Programming Header Connector to program processor WD using an Senso Argus-to-ICP device. (See also J10)
Connector Pin Pin Description J16 (Molex, Minifit Jr. 2x4 receptacle with terminals 5556)
1 - 5 2 - 6 3 - 7 4 - 8
5V Power Supply (optional for sensor) 0..10V input Fan proof switch input (NC) Modbus
Sensor input The maximum cable length is 1 meter.
The sensors connected to the control should be free from the appliance earth.
Connector Pin Pin Description J21 (Molex, Minifit Jr. 2x3 receptacle with terminals 5556)
1 2 3 4 5 6
Fan 1 PWM out Fan 1 Hall puls Vss Fan 2 PWM out Fan 1 Hall puls 12 volt
PWM Fan The maximum cable length is 1 meter.
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