Midea RSJ-100/N1-540V-D - Page 19

MCAC-RTSM-2013-12 Midea High-temperature Direct-heating Heat Pump Water Heater Technical Manual
19
Ports explanation
No.
Port explanation
No.
Port explanation
1
Low-Pressure Protection Short Connection
2
Digital Tube
3
Defrosting Cycle Select
4
E-Heater Select
5
Reserved
6
Address Setting Dip
7
Electric-Heating Temperature Setting Dip
8
Heat-Exchanger Temp. Sensor And Ambient
Temp. Sensor
9
Outlet Water Temperature Sensor
10
Water Tank Temperature Sensor
11
Refrigerant Heater Temperature Sensor
12
Inlet Water Temperature Sensor
13
Compressor Air Exhaust Temperature
Sensor
14
1# Compressor Current Transformer
15
2# Compressor Current Transformer
16
Power Interface
17
Fuse(5A)
18
Transformer Input Port
19
Controlling Wire (Defrosting Valve, By-Pass
Solenoid Valve, Circulating Water Pump And
Crankcase Heating Zone)
20
Inspection Button
21
Model Selection Dip
22
Alarm Controlling Wire
23
Main Chip
24
E-Heater And Circulating Pump Controlling
Wire
25
Refrigerant Electric Heating Stick Controlling
Wire
26
Fan Low Wind Controlling Wire
27
Fan High Wind Controlling Wire
28
Warm Water Valve Port
29
Transformer Output Port
30
Electric Expanding Valve Controlling Wire
31
Protection Of HYD
32
Power 1
33
Alarm Controlling Wire
34
PQE Communication Port
35
PQE Communication Port (To Wire
Controller)
36
The Exhaust Temperature Protection Port
37
High-Pressure Protection Port