Piping Diagram: Outdoor Unit - Daikin R32 Split Series Installation Manual

12 Technical data
Symbol
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
2MXM68
a
b
7.9CuT
7.9CuT
7.9CuT c
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
i Muffler with filter
j Solenoid valve
Installation manual
22
Meaning
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
g
h
7.9CuT
9.5CuT
9.5CuT
SV
6.4CuT
Solenoid valve
9.5CuT
12.7CuT
12.7CuT
k
q
15.9CuT
9.5CuT
l
l
15.9CuT
o o
p
k
l
m
n
o
p
q
r
s
t
Symbol
Z*C
ZF, Z*F
12.2

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
NOTICE
When the high pressure switch is activated, it MUST be
reset by a qualified person.
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
Thermistor (liquid)
Filter
Meaning
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
Refrigerant flow: heating
2MXM68+3(A)MXM+3(A)MXF+4MXM+5MXM
R32 Split series
3P600450-1D – 2020.08