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R410a DC Inverter 60Hz
Carrier service manual
24
Specification & Performance
3. Piping Diagrams and Valve explanation
3.1 Piping Diagrams
8~10HP
C
o
m
p
re
s
s
o
r
In
v
e
rt
e
r
O
il
s
e
p
e
ra
to
r
High pressure
switch
High pressure
sensor
DC fan
Heat exchanger
ST1
Unloading valve
SV6
EXV A
SV5
SV4
Low
pressure
switch
Low
pressure
receiver
SV2
Stop valve
(High pressure)
Stop valve
(Low pressure)
Oil balabce
12~16HP
C
o
m
p
re
s
s
o
r
In
v
e
rt
e
r
C
o
m
p
re
s
s
o
r
In
v
e
rt
e
r
O
il
s
e
p
e
ra
to
r
SV4
SV2
Low
pressure
receiver
Low
pressure
switch
EXV A
EXV B
SV5
Unloading valve
SV6
DC fan
Heat exchanger
ST1
Stop valve
(High pressure)
Stop valve
(Low pressure)
Oil balabce
Oil Balance
Stop Valve
(Low Pressure)
Stop Valve
(High Pressure)
C
om
pr
es
so
r
IN
VE
R
TE
R
C
om
pr
es
so
r
FI
X
O
il
Se
pa
ra
to
r
unloading valve
SV4
Heat Exchanger
DC Fan
EXV A
SV6
SV5
ST 1
EXV B
SV2
Low Pressure
Receiver
14~18HP
LPS
Low
Pressure
Switch
HPS
High Pressure
Switch
SENP
High
Pressure
Sensor
Remark:
1.8~10 HP models only have one inverter compressor.