14 Technical data
Installer reference guide
90
ERGA04~08DAV3(A) + EHVH/X04+08S18+23DA
Daikin Altherma – Low temperature split
4P495248-1 – 2017.12
14.2
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
B
Refrigerant side
C
Field installed
a1
Space heating water IN
a2
Space heating water OUT
b1
Domestic hot water: cold water IN
b2
Domestic hot water: hot water OUT
c1
Gas refrigerant IN (heating mode; condenser)
c2
Liquid refrigerant OUT (heating mode; condenser)
d1
Liquid refrigerant IN (cooling mode; evaporator)
d2
Gas refrigerant OUT (cooling mode; evaporator)
e
Plate heat exchanger
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
B1PW
Space heating water pressure sensor
B2PR
Refrigerant pressure sensor
M3S
3-way valve (space heating/domestic hot water)
R1T
Thermistor (heat exchanger – water OUT)
R2T
Thermistor (backup heater – water OUT)
R3T
Thermistor (liquid refrigerant)
R4T
Thermistor (heat exchanger – water IN)
R5T, R8T
Thermistor (tank)
Screw connection
Flare connection
Quick coupling
Brazed connection
Final English - Tanslations in progress