Danfoss DHP-A Installation guide

Electrical

installation instructions

Danfoss Heat Pumps

DHP-A

VWBMG202

DHP-A

Electrical installation – Page 2

VWBMG202

Contents

DHP-A 6, 400V 3N ......... 3–6

DHP-A 8, 400V 3N .........7-10

DHP-A 10, 400V 3N ...... 11 –14

DHP-A 12, 400V 3N ...... 15–18

DHP-A 6 SP, 230V 1N..... 19–22

DHP-A 8 SP, 230V 1N......23-26

DHP-A 10 SP, 230V 1N ... 27–30

DHP-A 12 SP, 230V 1N ... 31–34

Electrical installation

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

be connected are the mains supply (5-wire DPH), outdoor

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-A

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VWBMG202

DHP-A

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DHP-A

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DHP-A

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DHP-A

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DHP-A

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DHP-A

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DHP-A

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DHP-A

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DHP-A

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DHP-A

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DHP-A

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DHP-A

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DHP-A

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DHP-A

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DHP-A

Electrical installation – Page 18

VWBMG202

DHP-A SP

Electrical installation – Page 19

VWBMG202

DHP-A SP

Electrical installation – Page 20

VWBMG202

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Danfoss DHP-A Installation guide

Danfoss DHP-A Installation guide

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