-i V6-i VRF 50/60Hz
19
Part 2
- Component Layout
and
Refrigerant Circuits
26/28HP
Figure 2-2.4: 26/28HP piping diagram
Discharge temperature switch
Heat exchanger temperature sensor
Outdoor ambient temperature sensor
Plate heat exchanger inlet temperature sensor
Plate heat exchanger outlet temperature sensor
Compressor A discharge temperature sensor
Compressor B discharge temperature sensor
Electronic expansion valve (EXV)
Fast defrosting (in heating) and unloading (in cooling) valve
Refrigerant bypass EXV valve
Compressor A vapor injection valve
Compressor B vapor injection valve
Compressor B pressure balance valve
7
1
1
15
15
12
9
3
4
5
6
11
10
11
10
14
8
8
SV6
13
EXVA
EXVC
S
E
C
SV8A
SV8B
SV4
SV9
SV5
T3
T4
T6B
T6A
T7C1
T7C2
2
2