12
8.3 System diagram
8.3.1 diagram of KEM-30 DRS4
Fig. 8-5 is the function diagram of the KEM-30 DRS4.
8
9
10
26
12
32
15
35
inlet
outlet
20
19
18
33
36
27
28
1
2
6
7
23
24
34
37
39
38
14
13
3
4
5
11
17
29
30
31
40
25
16
22
41
42
21
Fig.8-5 KEM-30 DRS4 function diagram
Table 8-2
Legend
1
DC inverter compressor
23
Safety valve
2
Crankcase heater
24
Gas-liquid separator
3
DC inverter compressor discharge temperature sensor 1
25
Suction temperature sensor
4
DC inverter compressor discharge temperature sensor 2
26
Filter
5
Discharge temperature control switch
27
Capillary
6
High pressure switch
28
Fast oil return solenoid valve
7
Oil separator
29
Low pressure switch
8
4-way-valve
30
Filter
9
System pressure sensor
31
Capillary
10
DC fan
32
Outdoor ambient temperature sensor
11
Condenser
33
Unit water inlet temperature sensor
12
Coil outlet temperature sensor
34
Safety valve
13
Coil final outlet temperature sensor
35
Air purge valve
14
Filter
36
Unit water outlet temperature sensor
15
Electronic expansion valve
37
Water flow switch
16
Filter
38
Manual water drain valve
17
High pressure tank
39
Total outlet water temperature sensor
18
Antifreeze heater of plate heat exchanger
40
Plate heat exchanger
19
Water side antifreeze temperature sensor 2
41
Capillary
20
Water side antifreeze temperature sensor 1
42
Electromagnetic valve
21
Stop valve
/ /
22
Stop valve
/ /