8 Technical data
Installation manual
22
EHBH/X04+08DA
Daikin Altherma – Low temperature split
4P495266-1 – 2017.06
8
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 extranet (authentication required).
8.1
Piping diagram: Indoor unit
3D111541A
R2T
R4T
B1PW
B2PR
R1T
R3T
A
C
e
e
C
f
i
g
n
a2
a1
m
l
k
d
h
j
c1
b2
c2
b1
B
i
A
Water side
B
Refrigerant side
C
Field installed
a1
Space heating water IN
a2
Space heating water OUT
b1
Gas refrigerant IN (heating mode; condenser)
b2
Liquid refrigerant OUT (heating mode; condenser)
c1
Liquid refrigerant IN (cooling mode; evaporator)
c2
Gas refrigerant OUT (cooling mode; evaporator)
d
Plate heat exchanger
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
Air purge
n
Pump
B1PW
Space heating water pressure sensor
B2PR
Refrigerant pressure sensor
R1T
Thermistor (heat exchanger – water OUT)
R2T
Thermistor (backup heater – water OUT)
R3T
Thermistor (liquid refrigerant)
R4T
Thermistor (heat exchanger – water IN)
Screw connection
Flare connection
Quick coupling
Brazed connection
