Operation and Use
56
57
58
59
60
61
62
63
64
65
66
67
68
69
4-way valve
Water pump
Fan 2 / Fan low speed
Compressor
Fan 1 / Fan high speed
Outlet water temperature
Inlet water temperature
Exhaust temperature
No use
No use
No use
No use
No use
No use
No use
No use
No use
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
DO4_PWM
DI4_PWM
DO5_PWM
DI5_PWM
CN1
CN2
CN3
CN4
RO18
RO17
RO16
RO15
RO14
RO13
RO12
RO11
RO10
RO09
RO08
RO07
RO06
RO05
RO04
RO03
RO02
RO01
CN7(485-1)
CN7(485-2)
CN7(485-3)
Electronic expansion valve
Electronic expansion valve of EVI
Wire controller/thermostat
Driver board
DTU
Alarm output
Auxiliary heating belt
Secondary pump
Antifreeze heating belt
Crankshaft heating belt
Spray valve
Hot water three-way valve
2
7