Daikin 2MXM68A2V1B9 Manuel D'installation page 21

Symbol
M*S
MR*, MRCW*, MRM*, MRN*
N
n=*, N=*
PAM
PCB*
PM*
PS
PTC*
Q*
Q*C
Q*DI, KLM
Q*L
Q*M
Q*R
R*
R*T
RC
S*C
S*L
S*NG
S*NPH
S*NPL
S*PH, HPS*
S*PL
S*T
2MXM68
a
b
7.9CuT
7.9CuT
c
7.9CuT
12.7CuT
d
7.9CuT
e
M
f
15.9CuT 12.7CuT
l
m
n
a Heat exchanger
b Outdoor air temperature
thermistor
c Heat exchanger thermistor
d Refnet header
e Fan motor
f Propeller fan
g Capillary tube
h Distributor
2MXM-A9, 3MXM-A9, 4MXM-A9, 5MXM-A9
R32 Split series
3P774208-3 – 2024.05
Meaning
Swing motor
Magnetic relay
Neutral
Number of passes through ferrite
core
Pulse-amplitude modulation
Printed circuit board
Power module
Switching power supply
PTC thermistor
Insulated gate bipolar transistor
(IGBT)
Circuit breaker
Earth leak circuit breaker
Overload protector
Thermo switch
Residual current device
Resistor
Thermistor
Receiver
Limit switch
Float switch
Refrigerant leak detector
Pressure sensor (high)
Pressure sensor (low)
Pressure switch (high)
Pressure switch (low)
Thermostat
g
h
7.9CuT
9.5CuT
9.5CuT
SV
6.4CuT
Solenoid valve
12.7CuT 9.5CuT
12.7CuT
k
q
15.9CuT
9.5CuT
l
l
15.9CuT
o o
p
k
l
m
n
o
p
q
r
Symbol
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: Outdoor unit
Component PED category classification:
▪ High pressure switches: category IV
▪ Compressor: category II
▪ Accumulator: 4MXM80, 5MXM90 category II, other models
category I
▪ Other components: refer to PED article 4, paragraph 3
d
r-A
s
t
MV
A
7.9CuT 6.4CuT
s
t
MV
B
7.9CuT 6.4CuT
r-B
9.5CuT
9.5CuT
i
x
9.5CuT
d
u
v-A
12.7CuT
(9.5CuT)
u
v-B
12.7CuT
(12.7CuT)
12.7CuT
4-way valve
Muffler
Discharge pipe thermistor
Compressor
Accumulator
Gas stop valve
Liquid stop valve
Electronic expansion valve
13 Technical data
Meaning
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
v-A
(6.4CuT)
w
v-B
(6.4CuT)
u Thermistor (gas)
v Room
w Field piping – liquid
x Field piping – gas
y Liquid receiver
S1PH High pressure switch (automatic
reset)
Refrigerant flow: cooling
Installation manual
21