8
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Piping installation
Installer reference guide
79
ERLA EHFZ03S18DJ3V
Daikin Altherma 3 R F
4P596821-1B – 2021.10
M2
a
a
a
M3
M1
M2
a
a
a
M3
M1
b
c
c
c
c
a
Individual room thermostat (optional)
b
Overpressure bypass valve (field supply). The installation of a field-supplied
overpressure bypass valve is recommended.
c
Shut-off valve
Maximum water volume
Use the following graph to determine the maximum water volume for the
calculated pre-pressure.
0.3
0.5
1
1.5
2
2.4
50
20
100
150
200
250
290
a
b
a
Pre-pressure (bar)
b
Maximum water volume (l)
Example: Maximum water volume and expansion vessel pre-pressure
