7 Electrical Installation
DANGER! Hazardous electrical voltage! The terminal blocks are live and can be highly dangerous due to
the risk of electric shock. All power supplies must be isolated before electrical installation is started. The
heat pump is connected internally at the factory, for this reason electrical installation consists mainly of
the connection of the power supply.
Warning! Electrical installation may only be carried out by an authorised electrician and must follow
applicable local and national regulations.
Warning! The electrical installation must be carried out using permanently routed cables. It must be
possible to isolate the power supply using a multi-pole circuit breaker with a minimum contact gap of 3
mm.
7.1 Control centre
7.1.1
Installation
Caution! The control centre must be installed in a frost-free environment.
The control centre contains the necessary components for voltage supply, control systems and operation.
7.1.2 DHP-AQ Mini electrical components in the control centre
Symbol explanation
1 Terminal block
3 Hub card
4 Space for expansion card (accessory)
5 Space for communications card (accessory)
6 Space for terminal block for expansion card (accessory)
7.1.3 DHP-AQ Midi electrical components in the control centre
Symbol explanation
1 Terminal block
2 Terminal block for internal electrical auxiliary heater (IH)
3 Hub card
4 Space for expansion card (accessory)
5 Space for communications card (accessory)
6 Space for terminal block for expansion card (accessory)
7 Overheating protection
32 – Installation instructions VMGFD102
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