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17
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Technical data
17.2 Piping diagram: Outdoor unit
l
j
j
k
Gas Gas
Liquid Liquid
a Flare connection 5/8"
b Flare connection 1/4"
c Gas stop valve with service port
d Liquid stop valve
e Pinched pipe
f Refrigerant filter
g One-way valve
h Economiser heat exchanger
i Service port 5/16" flare
j Capillary tube
k Distributor
l Air heat exchanger
m PCB cooling
n Accumulator
o Muffler
p Casing
M1C Compressor
M1F Fan motor
S1PL Low pressure switch
S1PH High pressure switch (4.6 MPa)
S2PH High pressure switch (4.17 MPa)
S1NPH High pressure sensor
Y1E Electronic expansion valve (main)
Y3E Electronic expansion valve (injection)
Y1S Solenoid valve (4-way valve)
Y2S Solenoid valve (low pressure bypass)
Y3S Solenoid valve (hot gas bypass)
Y4S Solenoid valve (liquid injection)
Q1E Overload protector
Installer reference guide
296
i
m
j
j
n
g
g
g
g
h
f
o
o
p
Thermistors:
R1T Thermistor - outdoor air
R2T Thermistor - compressor discharge
R3T Thermistor - compressor suction
R4T Thermistor - air heat exchanger, distributor
R5T Thermistor - air heat exchanger, middle
R7T Thermistor - injection
Refrigerant flow:
Heating
Cooling
f
e
e
c
d
3D142205 B
ERRA08~12E + ELVH/X12S18+23E
Daikin Altherma 3 R MT F
4P708474-1 – 2023.05
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