Seq.
Port
1
D01
Hot Water Electric Heating
2
D02
3
D03
4
D04
5
D05
6
D06
7
D07
8
D08
9
D09
Heating Electric Heating
10
D010
11
D011
12
D012
Air-Conditioning Valve Open
13
D013
Air-Conditioning Valve Off
14
D014
15
D015
16
D016
17
D017
Circulating Water Pump
18
C2
19
C1
20
D18
Medium Voltage Switch 1
21
D17
22
D16
23
D15
24
D14
25
D13
26
D12
27
D11
28
C3
Water Level Public End
29
H
High Water Level (Hot Water)
Medium Water Level (Hot
30
M
31
L
Low Water Level (Hot Water)
32
A12
33
A11
34
A14
High-Pressure Sensors
Description
Four-Way Valve
Liquid Injection Valve
Reservation
Reservation
Return Water Valve
Crankshaft Heating
Chassis Heating
Hot Water Valve Off
Hot Water Valve On
Enthalpy Valve
Low Wind (AC)
High Wind (AC)
Public Side1
Public Side2
Reservation
Linkage Switch
Reservation
Reservation
Water Flow Switch
Low Voltage Switch
High Voltage Switch
Water)
Reservation
Reservation
Seq.
Port
35
A13
36
T1
37
T2
38
T3
39
T4
40
T5
Economizer Inlet Temperature
41
T6
Economizer Outlet Temperature
42
T7
Outdoor Ambient Temperature
43
T8
44
T9
45
T10
46
T11
47
T12
48
T13
49
T14
Freeze Protection Temperature
50
T15
Water Discharge Temperature
Water Tank Temperature (Hot
51
T16
52
COM3
53
COM4
54
COM3
55
COM2
Uplink Monitoring And Control
56
COM1
57
ECL
58
12V
59
EXV1
60
EXV2
61
EXV3
62
EXV4
63
N
64
C
65
B
66
A
67
LED1
41
Description
Low-Pressure Sensors
Outer Coil Temperature
Return Air Temperature
Exhaust Temperature
Cooling Coil Temperature
Water Inlet Temperature
Reservation
Reservation
Reservation
Reservation
Return Water Temperature
Water)
Drive Module
LCD In-Line Controller
Reservation
Module Cascade
Extension Modules
DC 12V Power Supply
EEV Main Valve
Auxiliary Valves
Reservation
Reservation
Power Input Zero Line
Power Input T-Phase
Power Input S-Phase
Power Input R-Phase
8-Bit Dialing Code
V.1