EAS ELECTRIC EMCH Serie Manual De Instalación Y Manual De Usuario página 166

EMCH-14W/3 - EMCH-16W/3
Main control board
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16
1. Input port for switching power supply
2. Debugging port
3. Connection port for operation and display panel
4. Tin/Tb1/Tout/Tb2 temp. 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
5. Discharged temperature sensor port (Tp)
6.1 T3 temperature sensor port
6.2 T4 ambient temperature sensor port
7.1. Low pressure switch
7.2 High pressure switch
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14
15
8. Checking touch switch
9. Force-cooling touch switch
10. Differential pressure valve port
11. Factory debugging port
12. Wired controller port
13. AC Current transformer
14."Remote on/off" and "remote cooling/heating"
port
15. Electronic expansion valve port
16. AC 220V power supply port
17. Solenoid valve port (Reserved)
18. Exhaust valve electric heater port
V.2
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6.1
6.2
7.1
7.2
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