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4 If switch box is opened: Disconnect the ground connection from
the top cover of the switch box.
5 If necessary, remove the top cover. This is necessary in the
following cases:
▪ Connecting water piping
▪ Connecting BIV or DB-kit
▪ Connecting backup heater
ETSH/X(B)16P30+50E
Daikin Altherma 3 H HT ECH₂O
4P679468-1B – 2022.09
1×
4.2.3
To close the indoor unit
1 Reconnect the ground connection to the top cover of the switch
box.
2 Close the cover of the switch box.
3 Reinstall the top cover.
4 Check that the top cover is correctly fitted.
5 Screw in the top cover screws to secure it.
6 Put the switch box back into place.
7 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 9].
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
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.
4 Unit installation
unit" [ 4 7].
"4.3.2 To connect the
a
b
1
c
3
2
Installation manual
9
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