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12.2
Piping diagram
12.2.1
Piping diagram: Outdoor unit
PED categories of equipment – High pressure switch: category IV;
Compressor: category II; Other equipment: art. 4§3.
7CuT
7CuT
7CuT
12.7CuT
7CuT
7CuT
7CuT
s
r
12.7CuT
a
Field piping (liquid)
b
Field piping (gas)
c
Liquid stop valve
d
Gas stop valve
e
Filter
f
Electronic expansion valve
g
Muffler with filter
h
Distributor
i
Capillary tube
j
Heat exchanger
k
Heat exchanger thermistor
l
Accumulator
RXTJ-A, RXTA-C, RXTM-A, RXTP-A, ARXTM-A
R32 split series
3P600450-11Y – 2024.04
p
j
i
7CuT
7CuT
7CuT
7CuT
7CuT
7CuT
7CuT
M
n
12.7CuT
HPS
m
o
l
q
h
9.5CuT
6.4CuT
e
f
MV
g
6.4CuT
m
m
Muffler
n
ON: heating 4-way valve
o
Discharge pipe thermistor
p
Outdoor air temperature thermistor
q
Compressor
r
Propeller fan
s
Refnet header
M
Fan motor
HPS
High pressure switch (Automatic reset)
Cooling
Heating
12 Technical data
a
c
6.4CuT
b
9.5CuT
d
Installation manual
17
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