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Piping installation
Installer reference guide
88
E EHFH03S18D
Daikin Altherma 3 R F
4P596806-1C – 2022.09
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The corresponding maximum water volume at 0.3 bar is 290 l. (See the graph in
85]).
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Because 250 l is lower than 290 l, the expansion vessel is appropriate for the
installation.
8.6 Connecting water piping
8.6.1 About connecting the water piping
Before connecting the water piping
Make sure the outdoor and indoor unit are mounted.
Typical workflow
Connecting the water piping typically consists of the following stages:
1
Connecting the water piping to the indoor unit.
2
Connecting the recirculation piping.
3
Connecting the drain hose to the drain.
4
Filling the water circuit.
5
Filling the domestic hot water tank.
6
Insulating the water piping.
8.6.2 Precautions when connecting the water piping
INFORMATION
Also read the precautions and requirements in the following chapters:
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"2 General safety precautions"
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8.6.3 To connect the water piping
NOTICE
Do NOT use excessive force when connecting the piping. Deformation of the piping
can cause malfunctioning of the unit.
1
Connect the space heating water in and out pipes to the indoor unit.
2
Connect the domestic hot water in and out pipes to the indoor unit.