4 Unit installation
Installation manual
7
ETBH/X16E
Daikin Altherma 3 H HT W
4P644727-1B – 2022.03
4.2
Opening and closing the unit
4.2.1
To open the indoor unit
Overview
1
2
3
1
4
4
1
Front panel
2
Switch box cover
3
Switch box
4
User interface panel
Open
1
Remove the front panel.
2
2
1
3
2
If you have to connect electrical wiring, remove the switch box
cover.
4×
3
If you have to do work behind the switch box, open the switch
box.
2×
1
2
4
If you have to do work behind the user interface panel or upload
new software into the user interface, open the user interface
panel.
1
2
3
2×
5
Optional: Remove the user interface panel.
NOTICE
If you remove the user interface panel, also disconnect the
cables from the back of the user interface panel to prevent
damage.
3
3
1
2
X14Y
X1A
4.2.2
To close the indoor unit
1
Reinstall the user interface panel.
2
Reinstall the switch box cover and close the switch box.
3
Reinstall the front panel.
NOTICE
When closing the indoor unit cover, make sure that the
tightening torque does NOT exceed 4.1 N•m.
