To Close The Indoor Unit; Mounting The Indoor Unit; To Install The Indoor Unit; To Connect The Drain Hose To The Drain - Daikin Altherma 3 H MT ECH2O Series Installation Manual

5 Piping installation

4.2.3

To close the indoor unit

1 Close the cover of the switch box.
2 Reinstall the top cover.
3 Put the switch box back into place.
4 Reinstall the user interface panel.
NOTICE
When closing the indoor unit, make sure that the tightening
torque does NOT exceed 4.1 N•m.
4.3

Mounting the indoor unit

4.3.1

To install the indoor unit

1 Lift the indoor unit from the pallet and place it on the floor. Also
see "3.1.2 To handle the indoor
2 Connect the drain hose to the drain. See
drain" [ 4 8].
drain hose to the
3 Slide the indoor unit into position.
NOTICE
Level. Make sure the unit is level.
4.3.2

To connect the drain hose to the drain

Spillover water from the water storage tank as well as water
collecting in the drain pan must be drained. You must connect the
drain hoses to an appropriate drain according to the applicable
legislation.
1 Open the screw plug.
a
c
Installation manual
8
unit" [ 4 6].
"4.3.2 To connect the
a
b
1
c
3
2
a Screw plug
b Assembly wrench
c Spillover connector
2 Insert the spillover connector into the screw plug.
3 Mount the spillover connector.
4 Attach a drain hose to the spillover connector.
5 Connect the drain hose to an appropriate drain. Ensure the
water can flow through the drain hose. Ensure that the water
level cannot mount above the overspill.
6 Connect the drain pan hose to the drain pan connection and
connect to an appropriate drain.
a
a Drain pan hose
7 Connect the pressure relief valve to an appropriate drain in
accordance with the applicable legislation. Ensure that any
steam or water that may escape is drained in a frost-protected,
safe and observable manner.
a Pressure relief valve
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.
a
ETSH/X(B)12P30+50EF
Daikin Altherma 3 H MT ECH₂O
4P663479-1 – 2021.07