17
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Technical data
Installer reference guide
78
3(A)MXM+3(A)MXF+4MXM+5MXM
R32 Split series
4P600463-1C – 2020.08
Symbol
Meaning
Q*M
Thermo switch
Q*R
Residual current device
R*
Resistor
R*T
Thermistor
RC
Receiver
S*C
Limit switch
S*L
Float switch
S*NG
Refrigerant leak detector
S*NPH
Pressure sensor (high)
S*NPL
Pressure sensor (low)
S*PH, HPS*
Pressure switch (high)
S*PL
Pressure switch (low)
S*T
Thermostat
S*RH
Humidity sensor
S*W, SW*
Operation switch
SA*, F1S
Surge arrester
SR*, WLU
Signal receiver
SS*
Selector switch
SHEET METAL
Terminal strip fixed plate
T*R
Transformer
TC, TRC
Transmitter
V*, R*V
Varistor
V*R
Diode bridge, Insulated-gate bipolar
transistor (IGBT) power module
WRC
Wireless remote controller
X*
Terminal
X*M
Terminal strip (block)
Y*E
Electronic expansion valve coil
Y*R, Y*S
Reversing solenoid valve coil
Z*C
Ferrite core
ZF, Z*F
Noise filter
17.2 Piping diagram: Outdoor unit
Component PED category classification:
▪
High pressure switches: category IV
▪
Compressor: category II
▪
Accumulator: 4MXM80, 5MXM90 category II, other models category I