Daikin ETBH16E 6V Series, Installation Manual, Page: 8 / 40

5 Piping installation
Installation manual
8
ETBH/X16E
Daikin Altherma 3 H HT W
4P644727-1B – 2022.03
4.3 Mounting the indoor unit
4.3.1 To install the indoor unit
1 Fix the wall bracket (accessory) to the wall (level) with 2×
Ø8 mm bolts.
2×
a
a Optional: If you want to fix the unit to the wall from inside
the unit, provide an additional screw plug.
2 Lift the unit.
42 kg
3 Attach the unit to the wall bracket:
▪ Tilt the top of the unit against the wall at the position of the
wall bracket.
▪ Slide the bracket on the back of the unit over the wall
bracket. Make sure the unit is fixed properly.
4 Optional: If you want to fix the unit to the wall from inside the
unit:
▪ Remove the upper front panel, and open the switch box. See
"4.2.1 To open the indoor unit" [
4
7].
▪ Fix the unit to the wall with an Ø8 mm screw.
4.3.2 To connect the drain hose to the drain
Water coming from the pressure relief valve is collected in the drain
pan. You must connect the drain pan to an appropriate drain
according to the applicable legislation.
1 Connect a drain tube (field supply) to the drain pan connector
as follows:
a
a Drain pan connector
It is recommended to use a tundish to collect the water.
5 Piping installation
5.1 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.
▪ Water pressure – Space heating/cooling circuit. The maximum
water pressure is 3 bar (=0.3 MPa). Provide adequate safeguards
in the water circuit to ensure that the maximum pressure is NOT
exceeded. The minimum water pressure to operate is 1 bar
(=0.1 MPa).