18
Subject to change without notice | 83061500aUK – Translation into English of the original German operating manual | ait-deutschland GmbH
Connect the bus cable (communication) to the wall-
mounted controller using the plug included with the
heat pump.
Maximum line length: 30 m
1 = weiß / white
2 = grün / green
3 = Schirmanschlussblech /
shield connecting plate
4 = gelb / yellow
5 = braun / brown
1 = white
2 = green
3 = shield connection plate
4 = yellow
5 = brown
“Terminal diagrams” and “circuit diagrams” for the
respective unit model.
Operating manual of the heating and heat pump
controller.
Seal empty pipes on the unit side…
Screw the facing panels onto the heat pump…
Position each of the lower facing panels at an angle in
the unit frame, hang on the unit frame at the top and
close the quick-release screws…
HEAT PUMP SIDE CONNECTION OF THE BUS CABLE
The connection between the heat pump and the heating
and heat pump controller is made via a BUS cable.
NOTE.
When laying the cable inside the building, note that
unshielded power supply cables (voltage supply of
outdoor unit) and shielded cables (Mod-bus) must
be laid separately from each other.
Like the power cable, the bus cable is passed through
the opening in the baseplate, through the cable duct
and into the switch area…
1 Cable duct
(to be provided by the customer on site,
recommended cable type I(Y) STY 2x2x0.6 mm²)
and connected to the X20 circuit board…
1 Terminals for BUS cable
Lay the BUS cable in a cable conduit up to the cable
entry into the building and from there continue laying
it up to the heating and heat pump controller…
