12
Subject to technical amendments without notice | 83059700gUK – Translation of the operating manual | ait-deutschland GmbH
1
3
2
4
7
5
6
8
1 Feed-through glands
2 Soft starter
3 Cable glands
4 3 motor protection switches
5 Bus distributor
6 Connection terminal
7 Main board
8 Control cabinet fan
1. Lay the power cable in a cable conduit up to
the cable entry into the building and from there
continue to lay it up to the fuse box.
2. Connect the power cable to the power supply.
1
1 Cable gland for mains
connection and BUS lines
3.
Seal empty pipes on the unit side.
4.
Screw the facing panels onto the heat pump.
8
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8.1 Heating water quality
NOTE
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For detailed information refer, among
other things, to the VDI Guidelines
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damage in hot water heating systems).
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Required pH value: 8.2 – 10
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for
aluminium
materials:
pH
value:
8.2 – 8.5
Ź
Fill the system only with demineralised heating
water (VE water) or VDI 2035 water (low-salt
operation of the system).
Advantages of low-salt operation:
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Low corrosion-promoting properties
Ɣ
No formation of mineral scale
Ɣ
Ideal for closed heating circuits
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the system
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If necessary, simple alkalisation to pH value 8.2 by
adding chemicals
8.2
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heating circuit
9
Outlet pipe of the safety valve is connected.
Ź
Ensure that the set pressure of the safety valve is
not exceeded.
NOTE
The venting programme on the controller
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and venting process. It is possible to control
individual recirculating pumps and also the
switchover valve via the venting programme.
1. Vent system at the respective highest point.
2. Vent heat pump on the condenser and on the
desuperheater if installed.
