4 Unit installation
Installation manual
6
ET9W
Daikin Altherma 3 H HT F
4P644730-1 – 2021.02
4.2
Opening and closing the unit
4.2.1
To open the indoor unit
Overview
a
b
d
c e
a
Top panel
b
User interface panel
c
Switch box cover
d
Front panel
e
High voltage switch box cover
Open
1
Remove the top panel.
7×
T25
2
Remove the user interface panel. Open the hinges at the top
and slide the top panel upwards.
NOTICE
If you remove the user interface panel, also disconnect the
cables from the back of the user interface panel to prevent
damage.
2
1
1
3
4
X14Y
X1A
3
Remove the switch box cover.
4×
T25
4
If necessary, remove the front plate. This is, for example,
necessary in the following cases:
▪
"4.2.2 To lower the switch box on the indoor unit"
▪
"4.3.2 To connect the drain hose to the drain"
▪ When you need access to the high voltage switch box
2×
T25
5
If you need access to the high voltage components, remove the
high voltage switch box cover.
4×
T25
4.2.2
To lower the switch box on the indoor unit
During the installation, you will need access to the inside of the
indoor unit. To have easier front access, put the switch box lower on
the unit as follows:
