-i
V6-i VRF 50/60Hz
19
P
art
2
- Compo
nent
La
you
t and
R
ef
rig
e
ran
t C
ir
cu
its
26/28HP
Figure 2-2.4: 26/28HP piping diagram
Legend
No. Parts name
No.
Parts name
1
Compressor
15
Accumulator
2
Discharge temperature switch
T3
Heat exchanger temperature sensor
3
High pressure switch
T4
Outdoor ambient temperature sensor
4
High pressure sensor
T6A
Plate heat exchanger inlet temperature sensor
5
Oil separator
T6B
Plate heat exchanger outlet temperature sensor
6
Four-way valve
T7C1
Compressor A discharge temperature sensor
7
Heat exchanger
T7C2
Compressor B discharge temperature sensor
8
Electronic expansion valve (EXV)
SV4
Oil return valve
9
Low pressure switch
SV5
Fast defrosting (in heating) and unloading (in cooling) valve
10
Fan motor
SV6
Refrigerant bypass EXV valve
11
Fan
SV8A Compressor A vapor injection valve
12
Stop valve (liquid side)
SV8B
Compressor B vapor injection valve
13
Stop valve (gas side)
SV9
Compressor B pressure balance valve
14
Plate heat exchanger
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
SV
8A
SV8
B
SV4
SV9
SV5
T3
T4
T6
B
T6
A
T7C1
T7C2
2
2
