Piping Diagram; Piping Diagram: Outdoor Unit - Daikin RXM25A5V1B Installation Manual

Symbol
S*T
S*RH
S*W, SW*
SA*, F1S
SR*, WLU
SS*
SHEET METAL
T*R
TC, TRC
V*, R*V
V*R
WRC
X*
X*M
Y*E
Y*R, Y*S
Z*C
ZF, Z*F
13.2

Piping diagram

13.2.1

Piping diagram: Outdoor unit

PED categories of equipment:
▪ High pressure switch: category IV,
▪ Compressor: category II;
▪ Other equipment: art. 4§3.
RXM42A
RXM-A, ARXM-A
R32 split series
3P645642-7N – 2023.11
Meaning
Thermostat
Humidity sensor
Operation switch
Surge arrester
Signal receiver
Selector switch
Terminal strip fixed plate
Transformer
Transmitter
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
B
Piping diagram legend
Liquid stop valve
Gas stop valve
Refnet
Muffler
Muffler with filter
Electronic expansion valve
Filter
Propeller fan
High pressure switch (automatic reset)
Thermistor
Capillary tube
4-way valve
Accumulator
Compressor
Heat exchanger
Distributor
Refrigerant flow: Cooling
Refrigerant flow: Heating
A Field piping liquid 6.4 CuT
B Field piping gas 9.5 CuT
13 Technical data
Installation manual
19