Danfoss DHP-H Manuale utente

Electrical

installation instructions

Danfoss Heat Pumps

DHP-H

VWBMF302

DHP-H

Electrical installation – Page 2 VWBMF302

Contents

DHP-H 4, 400V 3N .....................................3–5

DHP-H 6, 400V 3N .....................................6–8

DHP-H 8, 400V 3N ................................... 9-11

DHP-H 10, 400V 3N..............................12–14

DHP-H 12, 400V 3N..............................15–17

DHP-H 16, 400V 3N..............................18–20

DHP-H 4 SP, 230V 1N...........................21–23

DHP-H 6 SP, 230V 1N...........................24–26

DHP-H 8 SP, 230V 1N............................27-29

DHP-H 10 SP, 230V 1N.........................30–32

DHP-H 12 SP, 230V 1N.........................33–35

DHP-H Opti Pro 6, 230V 1N...............36–39

DHP-H Opti Pro 8, 230V 1N...............40–43

DHP-H Opti Pro 10, 230V 1N ............44–47

DHP-H Opti Pro 12, 230V 1N ............48–51

Electrical installation

Danfoss heat pumps are factory-wired internally. The leads that are to

be connected are the mains supply (5-wire DPH or 3-wire DPH SP), out-

door temperature sensor and room sensors (if any).

• All electrical wiring must be carried out by a certified electrician in

compliance with local and national codes and regulations. When in

doubt, contact the local electricity distributor.

• The mains lead is passed through the top of the unit.

• Remove the front panel to get access to the terminal blocks. Connect

the mains lead to the terminal block according to the accompanying

schematic diagram.

• The connection of the heat pump to the mains supply must be hard-

wired and a multi-pole switch

(safety switch) must be installed in the power supply line to the unit.

WARNING! To disconnect the power supply to the heat pump, the

safety switch must be switched off.

NOTE! The cables to the outdoor and indoor sensors carry low voltage.

Interference from surrounding cables may affect these and cause incor-

rect information to be sent to the control unit. It is therefore vitally

important that careful consideration be given to positioning of cables.

Low-voltage cables must be kept well separated from high-voltage

cables. It is important that low-voltage cables are run parallel to high-

voltage cables and separated by a distance of at least 25 cm for cable

lengths up to 100 m. For longer cable lengths, the distance between

cables should be increased.

Important information

Before switching on the power supply to the heat pump, you must

ensure that the heating system, chilled water line and hot water heater

are filled and vented. Otherwise, the circulation pumps can be severely

damaged.

DHP-H

Electrical installation – Page 3

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Electrical installation – Page 4 VWBMF302

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Electrical installation – Page 5

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Electrical installation – Page 10 VWBMF302

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