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13 Technical data
13.5
Piping diagram: Outdoor unit
b
c
d
R7T
Y3E
R6T
a
g
R5T
l
k
c
j
a
Stop valve (gas)
b
Stop valve (liquid)
c
Filter (3×)
d
Subcool heat exchanger
e
Pressure regulating valve
f
Heat exchanger
g
Service port (high pressure)
h
Check valve
i
Compressor accumulator
j
Capillary tube
k
Service port (refrigerant charge)
l
Accumulator
m
Heat sink PCB (only for RXYSQ4~6_V1)
M1C
Compressor
M1F-M2F
Fan motor
R1T
Thermistor (air)
R2T
Thermistor (discharge)
R3T
Thermistor (suction 1)
R4T
Thermistor (heat exchanger)
R5T
Thermistor (suction 2)
R6T
Thermistor (subcool heat exchanger)
R7T
Thermistor (liquid pipe)
S1NPH
High pressure sensor
S1NPL
Low pressure sensor
S1PH
High pressure switch
Y1E
Electronic expansion valve (main)
Y3E
Electronic expansion valve (subcool heat exchanger)
Y1S
Solenoid valve (4‑way valve)
Heating
Cooling
Installer and user reference guide
46
c
Y1E
m
e
M1F
M2F
R3T
R4T
Y1S
f
R2T
R1T
h
S1NPH
S1PH
M1C
i
INV
S1NPL
RXYSQ4~6T7V1B+Y1B
VRV IV-S system air conditioner
4P404676-1A – 2016.03
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