Refrigerant Circuit Diagram; Cycle Operation Mode - Samsung AVXCSH023/032/040CE Service Manual

9-2 Refrigerant Circuit Diagram

9-2-1 Cycle Operation Mode

9-2-1-1 RVXVHT075/100/125FE, RD075/100/125VHXFA, RD075/100/125VRXFA
■ Description of function parts
No. Classification
1 A DVI (Digital Vapor Injection) compressor
2 B FVI (Fixed Vapor Injection) compressor 1
3 C FVI (Fixed Vapor Injection) compressor 2
4 D PWM solenoid valve
5 E Discharge temperature sensor of DVI compressor
6 F Discharge temperature sensor of FVI compressor 1
7 G Discharge temperature sensor of FVI compressor 2
8 H Oil separator
9 I Capillary tube from oil separator
10 J High pressure switch
11 K Hot gas bypass solenoid valve
12 L Check valve
13 M High pressure sensor
14 N Reversing solenoid valve (4way valve)
15 O Heat exchanger of outdoor unit (Condensing unit)
16 P Ambient air temperature sensor
16 Q Cond_out temperature sensor
17 R Main EEV 1 (For heating operation)
18 S Main EEV 2 (For heating operation)
19 T Check valve
20 U Liquid bypass solenoid valve
20 V EVI EEV
21 W Turbo Intercooler
22 X EVI_in temperature sensor
23 Y EVI_out temperature sensor
25 Z Liquid tube temperature sensor
26 a EVI bypass pilot solenoid valve
27 b Suction temperature sensor
28 c Accumulator
29 d Accumulator CCH (Crank Case Heater)
30 e Oil solenoid valve 1
31 f Oil solenoid valve 2
32 g Oil solenoid valve 3
33 h Oil balancing service valve between units
34 i Low pressure sensor
9-5
Description No. Classification
35 j Check valve
36 k Crank case heater of DVI compressor
37 m Crank case heater of FVI compressor 1
38 n Crank case heater of FVI compressor 2
39 o Sump(Base) temperature sensor
40 p Oil temperature sensor
41 q Capillary tube from hot gas bypass valve
42 r Capillary tube from liquid bypass valve
43 s High pressure liquid service valve
44 t Low pressure gas service valve only for HR/MCU unit
45 u EEV of indoor unit
46 v Eva_in temperature sensor
47 w Heat exchanger of indoor unit (Evaporating unit)
48 x Eva_out temperature sensor
49 y HR check valve
50 z Main cooling check valve
51 Main cooling pilot solenoid valve
52 Outdoor pilot solenoid valve
53 HR EEV
54 HR EEV check valve
High pressure gas service valve in HR/MCU unit
55
Low pressure gas service valve in HP unit (Heat Pump)
56 Heating solenoid valve
57 Cooling solenoid valve
58 MCU liquid bypass solenoid valve
59 MCU main heating pilot solenoid valve
60 MCU EEV
61 Sub cooler_in temperature sensor
62 Sub cooler
63 Sub cooler_out temperature sensor
64 Sub cooler EEV
65 Liquid service valve between MCU & Indoor unit
66 CGas service valve between MCU & Indoor unit
67 EEV bypass service valve
68 EEVs for wall mount & ceiling unit in MCU
Description
Samsung Electronics