17
Subject to change without notice | 83059000dUK – Translation of the original operating manual | ait-deutschland GmbH
Cable gland on the rear of the unit
3. Open electrical switch box.
4. Remove the cover panel.
The cover panel (2) can be inserted into the
bottom edge as a strut such that the open switch
box (1) can be more easily closed at a 45° angle.
2
1
5. Feed the control/sensor cables and unit supply
cable into the housing from the rear.
6. Connect cables to the respective terminals
(
“Terminal diagram” on page 41).
NOTE
In units with integrated electric heating
element, the electric heating element is
connected at 9 kW (6 kW) in the factory.
At contactor Q it is possible to select 6 kW
(4 kW) = 2 phase operation. Disconnect
Q5/6 for this. Or 3 kW (2 kW) = 1 phase
operation. Disconnect Q5/6 and Q5/4 for this.
The values in brackets are for the 6 kW
heating element. Disconnected cables must
be furnished with screw terminals. Only the
phases cited above may be disconnected
(safety temperature limiter).
11 Installing the control panel
NOTE
The control panel can be inserted in a recess
in the front panel of the unit or can be installed
on the wall.
Heat pump installation instructions
Mount the control panel on the wall and
connect
1. Release the rear bracket from the control panel.
2.
If visually unattractive: Cut off the snap noses on
the rear of the control panel (are only needed to
insert in the front panel).
3. Mark 2 drill holes (
“Dimensioned drawing of
control panel, wall-mounting bracket” on page
30).
4. If cables are fed in from underneath: Break out
the web at the bottom in the middle of the wall
bracket. Use side cutters if necessary.
5. Fix the wall-mounted bracket (2) with 2 wall
plugs (1) and 2 screws (3).
1
2
3
1.
2.
3.
4.
6. Feed in the cables from the wall (e.g. in-wall box)
or from below.
7. Route the Modbus cable through the cable gland
between the compact module and the heat
pump module and into the control panel on the
underside.
8. Push the control panel onto the wall-mounted
bracket.
9. Put on the masking plate if applicable
(accessories).
