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NOTICE
Do NOT tilt the unit forwards:
0°
4.3.2
To connect the drain hose to the drain
Water coming from the pressure relief valve is collected in the drain
pan. The drain pan is connected to a drain hose inside the unit. You
must connect the drain hose to an appropriate drain according to the
applicable legislation. You can route the drain hose through the left
or right side panel.
1 Remove one of the side panels.
2 Cut out the rubber grommet.
3 Pull the drain hose through the hole.
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
3×
T25
1
EHFH03S18D
Daikin Altherma 3 R F
4P596803-1D – 2022.08
≤1°
Option 2: Through the right side panel
1° 1°
5
5.1
See the installation manual of the outdoor unit for all guidelines,
specifications and installation instructions.
5.1.1
1 Connect the liquid stop valve from the outdoor unit to the
a
2 Connect the gas stop valve from the outdoor unit to the
5.2
1
3×
T25
Piping installation
INFORMATION
This unit is a heating only model. Therefore, all references
to cooling in this document are NOT applicable.
Connecting refrigerant piping
To connect the refrigerant piping to the
indoor unit
refrigerant liquid connection of the indoor unit.
b
a
Refrigerant liquid connection
b
Refrigerant gas connection
refrigerant gas connection of the indoor unit.
Preparing water piping
NOTICE
In case of plastic pipes, make sure they are fully oxygen
diffusion tight according to DIN 4726. The diffusion of
oxygen into the piping can lead to excessive corrosion.
NOTICE
Water circuit requirements. Make sure to comply with the
water pressure and water temperature requirements
below. For additional water circuit requirements, see the
installer reference guide.
5 Piping installation
Installation manual
7
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