12 Technical data
Symbol
S*PL
S*T
S*RH
S*W, SW*
SA*, F1S
SR*, WLU
SS*
SHEET METAL
T*R
TC, TRC
12.2
Piping diagram
12.2.1
Piping diagram: Outdoor unit
PED categories of equipment:
RXP50M, RXF50B, ARXF50A
7.0 CuT
k
7.0 CuT
7.0 CuT
7.0 CuT
l
12.7 CuT
m
m
9.5 CuT
a
Liquid field piping
b
Gas field piping
c
Liquid stop valve
d
Gas stop valve
e
Liquid receiver
f
Filter
g
Electronic expansion valve
h
Muffler with filter
i
Capillary tube
j1
Outdoor temperature thermistor
j2
Heat exchanger thermistor
Installation manual
22
Meaning
Pressure switch (low)
Thermostat
Humidity sensor
Operation switch
Surge arrester
Signal receiver
Selector switch
Terminal strip fixed plate
Transformer
Transmitter
j2
4.0 CuT
4.0 CuT
M
12.7 CuT
12.7 CuT
j3
HPS
o
n
Symbol
V*, R*V
V*R
WRC
X*
X*M
Y*E
Y*R, Y*S
Z*C
ZF, Z*F
▪ High pressure switch: category IV,
▪ Compressor: category II;
▪ Other equipment: art. 4§3.
j1
i
6.4 CuT
6.4 CuT
i
h
g
f
e
m
m
c
6.4 CuT
m
12.7 CuT
d
j3
Discharge pipe thermistor
k
Heat exchanger
l
4-way valve (ON: heating)
m
Muffler
n
Compressor
o
Accumulator
HPS
High pressure switch (automatic reset)
M
Propeller fan
Refrigerant flow: cooling
Refrigerant flow: heating
ARXM50-71+RXM42~71R2V1B + RXP50~71M2V1B +
RXA42+50B2V1B + RXF50+60B2V1B + RXF71A2V1B +
Meaning
Varistor
Diode bridge, Insulated-gate
bipolar transistor (IGBT) power
module
Wireless remote controller
Terminal
Terminal strip (block)
Electronic expansion valve coil
Reversing solenoid valve coil
Ferrite core
Noise filter
a
6.4 CuT
b
12.7 CuT
RXJ50N2V1B + ARXF50~71A2V1B
R32 split series
3P512025-9S – 2020.05