1.
2.
Tighten the union nut hand-tight and retighten
the clamping ring is already in a clamping posi-
tion.
Connect the unit to the heat source, domestic
water pipes and heating circuit
1.
heat source and heating circuit.
2.
Insert the vent at the highest point of the heat
source and the heating circuit.
3.
0.9 mm onto the heat source inlet.
4.
the local regulations.
5.
Recommendation: To balance out pressure
unnecessary loss of water, install an expansion
6.
Ensure
that
the
(
"Technical data / Scope of supply", from
page 24) are not exceeded. Install pressure
reducer if necessary.
6.4 Connect the electrical cables
IMPORTANT
Irreparable damage to the compressor due to
(only applies to units with 400V
connection).
the compressor load infeed.
Subject to change without notice | 83056900kUK | ait-deutschland GmbH
operating
overpressures
Basic information on the electrical connection
NOTE
Ensure that the unit is supplied with electricity
attaching the unit panelling, switch the power
company may apply to electrical connections
Fit the power supply for the heat pump
with
at
least
3 mm
IEC 60947-2)
Note
the
level
(
"Technical data / Scope of supply", from
page 24)
Comply with the electromagnetic compatibility
regulations (EMC regulations)
Lay unshielded power supply cables and shielded
Maximum line length: 30 m.
The LIN-bus cable must be a shielded cable of at
least 4 x 0.5 mm²
the connections
1.
Strip the sheathing of all cables to the external
loads before laying in the cable duct of the control
box.
2.
Open electrical switch box:
Undo 2 screws at the top of the cover panel of
the electrical control box
contact
spacing
(per
of
the
tripping
current
15
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