15
Subject to change without notice | 83057000jUK – Translation of the original operating manual | ait-deutschland GmbH
Install the compression fittings and ball
valves
IMPORTANT
Leaks or fracture of the union nut due to excessive
force!
1.
Check pipe ends for scratches, dirt and deforma
-
tion.
2.
Check proper position of the clamping ring on the
fitting.
3. Push the pipe through the clamping ring up to the
limit stop in the fitting.
4. Tighten the union nut hand-tight and attach water-
proof marking.
5.
Tighten union nut with ³/4 rotation.
6.
Check connection for leaks.
If the connection leaks:
1.
Undo connection and check pipe for damage.
2. Tighten the union nut hand-tight and retighten
with the open-ended spanner with 1/8 to 1/4 turn, as
the clamping ring is already in a clamping posi-
tion.
Connect the unit to the heat source and
heating circuit
1.
Install shut-off devices at the connections of the
heat source and heating circuit.
2.
For units with 14 kW capacity and higher: Install
the shut-off devices at the heat source.
3. Insert the vent at the highest point of the heat
source and the heating circuit.
4.
Recommendation: Fit a dirt filter with mesh size
0.9 mm onto the heat source inlet.
5. Ensure that the operating overpressures
(
“Technical data / Scope of supply”, from
page 24) are not exceeded.
6.4 Connect the electrical cables
IMPORTANT
Irreparable damage to the compressor due to
wrong rotating field!
► Ensure that there is a clockwise rotating field for
the compressor load infeed.
Basic information on the electrical connection
NOTE
Ensure that the unit is supplied with electricity
at all times. After working inside the unit and
attaching the unit panelling, switch the power
supply back on immediately.
● The specifications of the local energy supply
company may apply to electrical connections
●
Fit the power supply for the heat pump
with an all-pole miniature circuit-breaker
with at least 3
mm contact spacing (per
IEC 60947-2)
●
Note the level of the tripping current
(
“Technical data / Scope of supply”, from
page 24)
●
Comply with the electromagnetic compatibility
regulations (EMC regulations)
●
Lay unshielded power supply cables and shielded
cables (bus cable) sufficiently far apart (> 100 mm)
●
Maximum line length: 30 m.
The LIN-bus cable must be a shielded cable of at
least 4 x 0.5 mm²