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Technical data
Installer reference guide
267
ERGA04~08E + 23E
Daikin Altherma 3 R F
4P629090-1C – 2022.08
16.2 Piping diagram: Indoor unit
3D111411
B1PW
M3S
B2PR
R3T
R8T
R2T
R1T
R5T
R4T
A
C
C
l
a2
a1
b2
b1
f
g
e
h
k
k
i
j
m
n
j
d1
c2
d2
c1
B
k
f
f
A
Water side
B1PW
Space heating water pressure sensor
B
Refrigerant side
B2PR
Refrigerant pressure sensor
C
Field installed
M3S
3-way valve (space heating/domestic hot water)
a1
Space heating water IN
R1T
Thermistor (heat exchanger – water OUT)
a2
Space heating water OUT
R2T
Thermistor (backup heater – water OUT)
b1
Domestic hot water: cold water IN
R3T
Thermistor (liquid refrigerant)
b2
Domestic hot water: hot water OUT
R4T
Thermistor (heat exchanger – water IN)
c1
Gas refrigerant IN (heating mode; condenser)
R5T, R8T
Thermistor (tank)
c2
Liquid refrigerant OUT (heating mode; condenser)
Screw connection
d1
Liquid refrigerant IN (cooling mode; evaporator)
Flare connection
d2
Gas refrigerant OUT (cooling mode; evaporator)
Quick coupling
e
Plate heat exchanger
Brazed connection
f
Shut-off valve for service (if equipped)
g
Expansion vessel
h
Magnetic filter/dirt separator
i
Safety valve
j
Air purge
k
Drain valve
l
Pump
m
Flow sensor
n
Backup heater
Содержание Altherma ERGA04E V3 Series
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