-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