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NO.
16
CN33:COMP-STATE,connect with an ac light to indicate the state of the compressor
Attention: the control port value of the comp-state actually detected is ON/OFF but not 220-240V control power
supply，so special attention should be paid when installing the light.
CN2:HEAT1.Pipeline Auxiliary Heater
17
Attention: the control port value of the HEAT1 actually detected is ON/OFF but not 220-240V control power supply，
so special attention should be paid when installing the pipeline auxiliary heater.
CN24：The alarm signal output of the unit(ON/OFF signal)
18
Attention: the control port value of the alarm actually detected is ON/OFF but not 220-240V control power supply，
so special attention should be paid when installing the alarm signal output.
19
CN20:TP-PRO,Discharge temperature switch protection (protection code P0,provent the compressor from
over temperature 115℃)
20
CN71:EXVB,System electronic expansion valve2.Used for cooling.
21
CN72:WXVC,EVI electronic expansion valve.Used for EVI.
22
CN70:EXVA,System electronic expansion valve1.
23
CN60:Outdoor units communication or wired controller conmunication port
24
CN61:Outdoor units communication or wired controller conmunication port
25
CN64:Fan inverter module communication ports
26
CN65: Compressor inverter module communication ports
27
CN300:Program burn in port(WizPro200RS programming device).
28
IC10:EEPROM chip
29
CN1:temperature sensors input port.
T4: outdoor ambient temperature sensor
T3A/T3B:pipe temperature sensor of the condenser
T5:wtater tank temperature sensor
T6A:Refrigerant inlet temperature of EVI plate heat exchanger
T6B:Refrigerant outlet temperature of EVI plate heat exchanger
30
CN16:System pressure sensor
31
CN31:Temperature sensors input port
Th:System suction temperature sensor
Taf2:Water side antifreeze temperature sensor
Two:Unit water outlet temperature sensor
Twi:Unit water inlet temperature sensor
Tw:Total water outlet temperature sensor when several units are connected in parallel
32
CN69:Temperature sensors input port
Tp1:DC inverter compressor A discharge temperature sensor
Tp2:DC inverter compressor B discharge temperature sensor
Tz/7:coil final outlet temperature sensor
Taf1:Water side antifreeze temperature
33
CN19:Low pressure protection switch.(Protection code P1)
34
CN91:Three-phase protector output switch.(Protection code E8)
35
CN58:Fan realy driver port.
36
CN8:Remote function of cool/heat signal
CN8:Remote function of on/off signal
37
38
CN8:Water flow switch signal
39
SW3:Up button
a) Select different menus when enter menu selection.
b) For sopt inspection in conditions.
SW4:Down button
a) Select different menus when enter menu selection.
b) For sopt inspection in conditions.
SW5:Menu button
Press to enter menu selection, short press to return to the previous menu.
SW6:OK button
Enter the submenu or confirm the function selected by short pressing.
CN18:Program burn in port(USB).
40
Detail information
19
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