System Diagram - EAS ELECTRIC ECH R32 Serie Manual De Instalación Y Usuario

8.3 System diagram

8.3.1 diagram of ECH030NHR
Fig.8-5 is the function diagram of the ECH030NHR.
21
9
8
7
6
5
4
3
30
1
31
2
Table 8-2
1 DC inverter compressor
2
Crankcase heater
3 DC inverter compressor discharge temperature sensor 1
DC inverter compressor discharge temperature sensor 2
4
Discharge temperature control switch
5
High pressure switch
6
7
Oil seperator
8
4-way-valve
9 System pressure sensor
10 DC fan
Condenser
11
Coil outlet temperature sensor
12
13
Coil final outlet temperature sensor
Filter
14
15 Electronic expansion valve
Filter
16
High pressure tank
17
Antifreeze heater of plate heat exchanger
18
Water side antifreeze temperature sensor 2
19
20 Water side antifreeze temperature sensor 1
Stop valve
21
22
Stop valve
10
15
11
12
22
26
27
23
28
29
24
25
Fig.8-5 ECH030NHR function diagram
13 14
20
17
16
41
19
40
42
Legend
23 Safty valve
24 Gas-liquid separator
25 Suction temperature sensor
26 Filter
27 Capillary
28 Fast oil return solenoid valve
Low pressure switch
29
30 Filter
Capillary
31
32 Outdoor ambient temperature sensor
Unit water inlet temperature sensor
33
34 Safety valve
35 Air purge valve
36 Unit water outlet temperature sensor
37
Water flow switch
38
Manual water drain valve
Total outlet water temperature sensor
39
40
Plate heat exchanger
41 Capillary
42
Electromagnetic valve
Water pump
43
Expansion tank
44
12
43
44
32
34 35
inlet
33
37
39
outlet
36 38
18
V.1