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6
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Technical data
Service manual
443
REYQ8~20+REMQ5U7Y1B
VRV IV+ Heat Recovery
ESIE18-15B – 2020.05
6.4.2 Component overview: REYQ14~20U units
INFORMATION
For more detailed information about the thermistors, see
check of the specific thermistor"
348].
a
b
c
f g i j k
l m
h
d
e
a
Fan motor M1F
b
Fan motor M2F
c
Upper heat exchanger 4‑way valve Y5S
d
Lower heat exchanger 4‑way valve Y4S
e
High pressure / low pressure 4‑way valve Y3S
f
Electronic expansion valve (receiver gas) Y4E
g
Electronic expansion valve (liquid cooling) Y5E
h
Electronic expansion valve (subcool) Y2E
i
Solenoid valve (liquid pipe) Y2S
j
Oil return valve (M2C) Y12S
k
High pressure switch
l
Receiver gas thermistor R13T
m
Compressor M1C
a
n
o
r
s
t
w
y
u
l
q
p
j
b
c
o
u
k
cc
m
v
x
z
aa
bb
d
f
e
g
h
i
a
Lower heat exchanger 4‑way valve Y4S
b
Upper heat exchanger 4‑way valve Y5S
c
High pressure / low pressure4‑way valve Y3S
d
Electronic expansion valve (auto charge) Y6E
e
Electronic expansion valve (upper heat exchanger) Y1E
f
Upper heat exchanger liquid thermistor R4T
g
Electronic expansion valve (lower heat exchanger) Y3E
h
Auto‑charge thermistor R14T
i
Lower heat exchanger liquid thermistor R5T
j
Upper heat exchanger gas thermistor R8T
k
Lower heat exchanger gas thermistor R9T
l
High pressure sensor
m
Suction thermistor R10T
Summary of Contents for VRV IV+
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