14
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Technical data
Installer reference guide
206
EPGA11~ EAV23DA6V
Daikin Altherma 3 H F
4P606487-1 – 2019.12
14.3 Piping diagram: Indoor unit
3D120611A
B1PW
M3S
R8T
R2T
R1T
R5T
A
B
B
d
a2
a1
b2
b1
g
h
k
k
i
j
e
j
k
f
f
l
l
l
l
S1L
c2
c1
B1L
B
f
B
f
A
Indoor unit
B
Field installed
a1
Space heating water IN
a2
Space heating water OUT
b1
Domestic hot water: cold water IN, loose nut 3/4"
b2
Domestic hot water: hot water OUT, loose nut 3/4"
c1
Water IN connection
c2
Water OUT connection
d
Pump
e
Backup heater
f
Shut-off valve, male-female 1"
g
Expansion vessel
h
Magnetic filter/dirt separator
i
Safety valve
j
Air purge
k
Drain valve
l
Loose nut 1"
B1L
Flow sensor
B1PW
Space heating water pressure sensor
M3S
3-way valve (space heating/domestic hot water)
R1T
Thermistor (water IN)
R2T
Thermistor (backup heater – water OUT)
R5T, R8T
Thermistor (tank)
S1L
Flow switch
Screw connection
Flare connection
Quick coupling
Brazed connection