Piping Diagram; Piping Diagram: Outdoor Unit - Daikin 3MXM40A2V1B9 Installer's Reference Manual

17.2 Piping diagram

17.2.1 Piping diagram: Outdoor unit

2MXM68
7.9CuT
7.9CuT
7.9CuT
12.7CuT
d
7.9CuT
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
2MXM-A9, 3MXM-A9, 4MXM-A9, 5MXM-A9
R32 Split series
4P600463-7G – 2022.09
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
a
b
g
c
7.9CuT
e
M
f
12.7CuT
k
15.9CuT 12.7CuT
9.5CuT
l
15.9CuT
m
o
n
d
7.9CuT
h
7.9CuT
9.5CuT
9.5CuT
SV
6.4CuT
Solenoid valve
9.5CuT
9.5CuT
i
12.7CuT 9.5CuT
q
15.9CuT
9.5CuT d
12.7CuT
l
12.7CuT
l
o
p
12.7CuT
k 4-way valve
l Muffler
m Discharge pipe thermistor
n Compressor
o Accumulator
p Gas stop valve
q Liquid stop valve
r Electronic expansion valve
s Thermistor (liquid)
t Filter
17
|
r-A
s
t
MV
A v-A
6.4CuT
(6.4CuT)
s
t
MV
B v-B
6.4CuT
r-B
(6.4CuT)
x
u
v-A
(9.5CuT)
u
v-B
(12.7CuT)
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
Technical data
w
Installer reference guide
79