ERS EMCH-10W/1, Installation And User Manual

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EMCH-10W/1 - EMCH-12W/1
Main control panel
1. Transformer output port
2. Tin/Tb1/Tout/Tb2 temperature sensor port
Note: Tin: water inlet temp. Tout: water outlet temp.
Tb1: Temp. 1 of plate heat exchanger
Tb2: Temp.2 of plate heat exchanger
3. Radiator temperature sensor port(Reserved) (T6)
4. Discharge temperature sensor port
5.1 Outlet of outdoor heat exchanger temp. sensor
port(T3)
5.2 Ambient temp. sensor port (T4)
6. Operation and display panel port
7.1 Low pressure switch
7.2 High pressure switch
8. Differential pressure valve port
9. Factory debug port
10. Wired controller port
11. Electric expansion valve port
12. Power supply input port L
13. Power supply input port N
14. Ground wire
15. Rectifier bridge input port N
16. Rectifier bridge input port L
17. 8A fuse tube
18. Solenoid valve port (Reserved)
19. Exhaust valve electric heater port
21. Plate heat exchanger electric heater
22. Differential pressure valve electric heater port
23. Built-in water pump port
24. Compressor electric heater
25. 4-way valve port
26. External pump/Remote alarm port
27. Transformer input port
38. P/N/+15V port
29. Communication port between IPDU and main PCB
30. Down DC fan port
31. Check touch switch
32. Up DC fan port
33. Force-cooling touch switch
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2
3
4
5.1
5.2
6
7.1
7.2
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12
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