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Subject to technical amendments without prior notice | 83055400iUK – 2.1 | ait-deutschland GmbH
Follow the information in the operating manual of your heat
pump for establishing the electrical connections.
Operating manual of your device, “Electrical Connections“,
“Terminal Diagram“ and “Circuit Diagrams“ for your device
type
INSTALLATION OF THE WALL-CONTROL
Air/Water outdoor units standard
Operating Manual wall-mounted controller
Air/Water outdoor units professional (LWP)
1. If not yet carried out: Remove housing cover of the heating
and heat pump contro.
section “Montage”, “Assembly of the wall control”, instruc-
tions 4. – 5.
1 Control unit
2 Motherboard of the heating and heat pump control
3 LIN-BUS communication cable between motherboard and
control unit (wired in the factory)
4 Extension board 2.1
5 Terminal block (X10 Modbus) for BUS cable to the outdoor
unit
6 Fastening screw of the folding bracket
7 Cable entry with folding bracket
8 Cable ducts with covers (covers now shown here in the
figure)
9 TRL return sensor terminal (on NTC8)
10 EVU bridges (must be removed when connecting a floating
contact)
11 Terminal block for 1~/N/PE/230 V voltage supply
12 Connection for circulation pump PWM control signal
2. Loosen fastening screw of the folding bracket for the cable
entry and pull the folding bracket downwards until it is possi-
ble to fold away upwards. Fold folding bracket upwards and
away to the side .
3. Remove covers from the cable ducts.
NOTE
The wall mounting material included in the scope of sup-
ply requires solid masonry.
IMPORTANT
Ensure that the screws are firmly in the substrate.
4. Loosen right and left fastening screw of the housing cover
for the heating and heat pump controller.
5. Remove housing cover and set aside in a safe place.
6. Hang the heating and heat pump control into the screws on
the wall. Tighten the screws.
1 Rear view
2 Front view
7. If the electrical installation is not to be carried out immedi-
ately afterwards: Put the housing cover back on and tighten
the side fastening screws.
Electrical connections
DANGER
Danger of fatal injury due to electric current!
Electrical connections may be installed only by qualified
electricians.
Before opening the unit, disconnect the system from the
power supply and secure it from being switched back on!
WARNING
During installation and while carrying out electrical
work, comply with the relevant EN‑, VDE and/or local
safety regulations.
Comply with technical connection requirements of the
responsible power supply company (if required by the
latter)!
