29
Outdoor unit
7
Cycle operation mode
7-1. Description of cycle function parts
No Classification Description
1 A DVI (Digital Vapor Injection) compressor
2 B FVI (Fixed Vapor Injection) compressor
3 C Discharged gas distributor
4 D PWM (Pulse Width Modulation) solenoid valve
5 E Discharged gas temperature sensor of DVI compressor
6 F Discharged gas temperature sensor of FVI compressor 1
7 G Filter
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 Discharged gas 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
17 Q Cond_out temperature sensor
18 R Main EEV (Electronic Expansion Valve) for heating operation
19 S Liquid refrigerant check valve
20 T Liquid bypass solenoid valve DVI compressor
21 U Liquid bypass solenoid valve FVI compressor
22 V EVI EEV (Electronic Expansion Valve)
23 W Turbo Intercooler
24 X EVI_in temperature sensor
25 Y EVI_out temperature sensor
26 Z Liquid tube temperature sensor
27 a EVI bypass pilot solenoid valve
28 b Suction temperature sensor
29 c Accumulator
30 d Suction gas distributor
31 e Oil solenoid valve 1
32 f Oil solenoid valve 2
33 g Filter between oil balancing pipes
34 h Oil balancing service valve between units
35 i Low pressure sensor
36 j Check valve
37 k Crank case heater of DVI compressor
38 m Crank case heater of FVI compressor 1
39 n Sump(Base) temperature sensor
40 o Oil temperature sensor
41 p Capillary tube from hot gas bypass valve
42 q Capillary tube from liquid bypass valve for DVI compressor
43 r Capillary tube from liquid bypass valve for FVI compressor
44 s Liquid side service valve
45 t Liquid side filter
46 u Gas side service valve
47 v Gas side filter
48 w EEV of indoor unit
49 x Eva_in temperature sensor
50 y Heat exchanger of indoor unit (Evaporating unit)
51 z Eva_out temperature sensor
52 a Liquid side connection for wall mount unit
53 b Gas side connection for wall mount unit
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