7 Installation
Installer reference guide
31
EPGA11~ EAVH/9W
Daikin Altherma – Low temperature split
4P556070-1 – 2019.02
4
Reattach the side panel. Ensure the water can flow through the
drain tube.
It is recommended to use a tundish to collect the water.
Option 1: Through the left side panel
1
3×
T25
3
2
Option 2: Through the right side panel
1
3×
T25
3
2
7.5
Connecting the water piping
7.5.1
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 outdoor 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.
7.5.2
Precautions when connecting the water
piping
INFORMATION
Also read the precautions and requirements in the
following chapters:
▪ General safety precautions
▪ Preparation
7.5.3
To connect the water piping
Outdoor unit
c
b
a
a
d
c
a
Water inlet
b
Water outlet
c
Shut-off valve
d
O-ring
NOTICE
About the shut-off valve with integrated filter (delivered as
accessory):
▪ The installation of the valve at the water inlet is
mandatory.
▪ Mind the flow direction of the valve
1
Connect the O-rings and shut-off valve to the outdoor unit water
inlet.
2
Connect the field piping to the shut-off valve.
3
Connect the field piping to the outdoor unit water outlet.
NOTICE
Install air purge valves at all local high points.
Indoor unit
NOTICE
Do NOT use excessive force when connecting the piping.
Deformation of the piping can cause malfunctioning of the
unit.
4
Connect the O-rings and shut-off valves to the outdoor unit
water connection pipes of the indoor unit.
5
Connect the outdoor unit field piping to the shut-off valves.
6
Connect the O-rings and shut-off valves to the space heating/
cooling water pipes of the indoor unit.
Summary of Contents for Altherma EAVX-D9WG
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