To Close The Indoor Unit; Mounting The Indoor Unit; To Install The Indoor Unit; To Connect The Drain Hose To The Drain - Daikin Altherma ELSH12P30E Series Installation Manual

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 15].
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.
ELSH/X(B)12P30+50E
Daikin Altherma 3 R MT ECH₂O
4P708484-1 – 2023.03
unit" [ 4 5].
"4.3.2 To connect the
a
b
1
c
3
2
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
a Pressure relief valve
5

Piping installation

5.1

Preparing refrigerant piping

5.1.1

Refrigerant piping requirements

Also see "4.1.2 Special requirements for R32
additional requirements.
▪ Piping length: See "4.1.1 Installation site requirements of the
indoor unit" [ 4 5].
▪ Piping material: phosphoric acid deoxidised seamless copper
▪ Piping connections: Only flare and brazed connections are
allowed. The indoor and outdoor units have flare connections.
Connect both ends without brazing. If brazing should be needed,
take the guidelines in the installer reference guide into account.
▪ Flare connections: Only use annealed material.
▪ Piping diameter:
Liquid piping
Gas piping
5 Piping installation
units" [ 4 6] for
Ø6.4 mm (1/4")
Ø15.9 mm (5/8")
Installation manual
15