76
Test Operation, Troubleshooting and Maintenance
No. Name
14 Preserved
15 System 2 defrosting temp. sensor
16 System 2 discharge temp. sensor
17 System 1 shell-and-tube inlet temp. sensor
18 System 2 shell-and-tube inlet temp. sensor
19 System 1 suction temp. sensor
20 System 2 suction temp. sensor
21 Outdoor ambient temp. sensor
22 System 1 high pressure sensor
23 System 2 shell-and-tube outlet temp. sensor
24 System 2 high pressure sensor
25 System 1 shell-and-tube outlet temp. sensor
26 220V input
27 COMP2 band heater 2
28 COMP2 band heater 1
29 4-way valve 2
30 4-way valve 1
31 COMP1 band heater 2
32 COMP1 band heater 1
33 Bottom band heater 2
34 Bottom band heater 1
35 Water pump 1
36 Auxiliary electrical heater 1
37 Auxiliary electrical heater 1
38 Water pump 2
39 Error indicating
40 Solenoid valve 2
41 Solenoid valve 1
42 System 2 high-pressure switch
43 System 2 low-pressure switch for cooling
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