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Installation
Installer reference guide
71
C08AF + EHYKOMB33A
Daikin Altherma R Hybrid
4P471761-1E – 2020.10
7.9 Connecting water piping
7.9.1 About connecting the water piping
Before connecting the water piping
Make sure the outdoor unit, indoor unit and gas boiler are mounted.
Typical workflow
Connecting the water piping typically consists of the following stages:
1
Connecting the water piping of the indoor unit.
2
Connecting the water piping of the gas boiler.
3
If necessary, performing a wiring error check. See
INFORMATION
▪
You only have to perform a wiring error check if you are not sure that the
electrical wiring and piping is connected correctly.
▪
If you perform a wiring error check, the hybrid for multi indoor unit will not
operate by heat pump for 72 hours. During this time, the gas boiler will take over
the hybrid operation.
4
Filling the space heating circuit.
5
Filling the domestic water circuit of the gas boiler.
6
Filling the domestic hot water tank.
7
Insulating the water piping.
7.9.2 Precautions when connecting the water piping
INFORMATION
Also read the precautions and requirements in the following chapters:
▪
General safety precautions
▪
Preparation
7.9.3 Connecting the water piping of the indoor unit
To connect the water piping for space heating
NOTICE
In case of old heating installations, it is recommended to use a dirt separator. Dirt or
sediment from the heating installation can damage the unit and reduce its lifetime.
NOTICE
Do NOT use excessive force when connecting the piping. Deformation of the piping
can cause malfunctioning of the unit.