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9 Technical data
Installation manual
15
RXA42+50A2V1B
R32 split series
3P517827-2 – 2017.12
9.2
Piping diagram
9.2.1
Piping diagram: Outdoor unit
M
( )
( )
EV
Propeller fan
Heat exchanger
Outdoor air temperature thermistor
Muffler with filter
Muffler
Muffler
4-way valve
ON: heating
Muffler
Discharge pipe thermistor
Compressor
Accumulator
Liquid stop valve
Field piping
Field piping
Electronic expansion valve
Cooling
Heating
Refrigerant flow
Heat exchanger thermistor
1
2
3
4
1-4
Capillary tube
Muffler
Receiver gas
Filter
S1PH
Automatic reset
H
ig
h
pr
ess
ur
e
sw
itc
h
·6.4· CuT
·4.0· CuT
·7.9· CuT
·7.9· CuT
·7.9· CuT
·7.9· CuT
·7.9· CuT
·7.9· CuT
·7.9· CuT
·7.9· CuT
·4.0· CuT
·4.0· CuT
·7.9· CuT
·4.0· CuT
·12
.7
· C
uT
·6
.4
· C
uT
Gas stop valve with service port
·12.7· CuT
·12.7· CuT
·12.7· CuT
·9.5· CuT
·9.5· CuT
·9
.5
· C
uT
·9
.5
· C
uT
·7.9· CuT
·7
.9
· C
uT
·12
.7
· C
uT
·12
.7
· C
uT
·6
.4
· C
uT
·6
.4
· C
uT
·6.4· CuT
·6.4· CuT
·9
.5
· C
uT
·9.5· CuT
Muffler
PED categories of equipment – High pressure switch: category IV; Compressor: category II; Other art. 4§3 equipment.