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10 Technical data
Installation manual
35
EHBH/X04+08EA/EJ6V+9W
Daikin Altherma 3 R W
4P629081-1A – 2020.08
10
Technical data
A
subset
of the latest technical data is available on the regional Daikin website (publicly accessible). The
full set
of latest technical data is
available on the Daikin Business Portal (authentication required).
10.1
Piping diagram: Indoor unit
3D111541A
R2T
R4T
B1PW
B2PR
R1T
R3T
A
C
e
e
C
f
i
g
m
a2
a1
h
l
k
d
h
j
c1
b2
c2
b1
B
i
A
Water side
B1PW
Space heating water pressure sensor
B
Refrigerant side
B2PR
Refrigerant pressure sensor
C
Field installed
R1T
Thermistor (heat exchanger – water OUT)
a1
Space heating water IN
R2T
Thermistor (backup heater – water OUT)
a2
Space heating water OUT
R3T
Thermistor (liquid refrigerant)
b1
Gas refrigerant IN (heating mode; condenser)
R4T
Thermistor (heat exchanger – water IN)
b2
Liquid refrigerant OUT (heating mode; condenser)
Screw connection
c1
Liquid refrigerant IN (cooling mode; evaporator)
Flare connection
c2
Gas refrigerant OUT (cooling mode; evaporator)
Quick coupling
d
Plate heat exchanger
Brazed connection
e
Shut-off valve for service
f
Magnetic filter/dirt separator
g
Safety valve
h
Air purge
i
Drain valve
j
Flow sensor
k
Expansion vessel
l
Backup heater
m
Pump