14
Subject to change without notice | 83057100hUK – Translation into English of the original German operating manual | ait-deutschland GmbH
NOTE
This section is only relevant for units with up
1)$!7$5_$3,?,3/1&"
ATTENTION
P0,5+$)4$I4,31:40$)I$1B0$:-/)-$-:1$.:0$1)$0\30++/D0$
force!
J
Tighten the union nut only as far as described
here.
1.
$HB035$ ?/?0$ 0-.+$ I)4$ +34,13B0+C$ ./41$ ,-.$
deformation.
2.
$HB035$ ?4)?04$ ?)+/1/)-$ )I$ 1B0$ 3*,'?/-6$ 4/-6$ )-$
1B0$211/-6"
3. Push the pipe through the clamping ring up to
1B0$*/'/1$+1)?$/-$1B0$211/-6"
4. Tighten the union nut hand-tight and attach
G,104?4))I$',45/-6"
5. Tighten union nut with 3/4 rotation.
6.
HB035$3)--031/)-$I)4$*0,5+"
SI$1B0$3)--031/)-$*0,5+U
1.
$>-.)$3)--031/)-$,-.$3B035$?/?0$I)4$.,',60"$
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
position.
Connect the unit to the heat source and
heating circuit
1. Install shut-off devices in the heating circuit.
2. Insert the vent at the highest point of the heat
source and the heating circuit.
3.
$<03)''0-.,1/)-U$A/1$,$./41$2*104$G/1B$'0+B$+/W0$
0.9 mm onto the heat source inlet.
4. Ensure that the operating overpressures
(
!
“Technical data/Scope of supply” on page
22) are not exceeded.
6.4 Connect the electrical cables
ATTENTION
Irreparable damage to the compressor due to
G4)-6$4)1,1/-6$20*.f
J
Y-+:40$1B,1$1B040$/+$,$3*)35G/+0$4)1,1/-6$20*.$I)4$
the compressor load infeed.
Basic information on the electrical connection
NOTE
Ensure that the unit is supplied with electricity
,1$,**$1/'0+"$`I104$G)45/-6$/-+/.0$1B0$:-/1$,-.$
attaching the unit panelling, switch the power
+:??*&$(,35$)-$/''0./,10*&"
O
QB0$ +?03/23,1/)-+$ )I$ 1B0$ *)3,*$ ?)G04$ +:??*&$
company may apply to electrical connections.
O
Fit the power supply for the heat pump with an
,**T?)*0$ '/-/,1:40$ 3/43:/1T(40,504$ G/1B$ ,1$ *0,+1$
3 mm contact spacing (IEC 60947-2).
O
Note
the
level
of
the
tripping
current
(
!
“Technical data/Scope of supply” on page
22).
O
Comply with the electromagnetic compatibility
regulations (EMC regulations).
–
Lay the control/sensor cables and unit supply
3,(*0$+:I23/0-1*&$I,4$,?,41$Rg$!hh$''X"
–
Lay unshielded power supply cables and
+B/0*.0.$ 3,(*0+$ RPS[$ (:+$ 3,(*0X$ +:I23/0-1*&$
far apart.
O
Do not lengthen the patch cable and LIN bus
cable. LIN bus cables up to 30 m long can be
used if the quality of the cable is the same as
that of the original cable.
8:**$/-$1B0$3,(*0+$,-.$3)-.:31)4+$,-.$',50$
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 switchbox:
–
Undo 4 screws in the cover panel of the
electrical control box.
–
Remove the cover panel.
