Waeco HDC-220 Instruction Manual download pdf (Page 9)

Using the refrigerator HDC-161, HDC-221

6.2 Connecting the refrigerator

Connecting to a battery

The refrigerator can be operated with a 12 V to 24 V DC voltage supply.

To avoid voltage loss and therefore a drop in performance, the

cable should be kept as short as possible and should not be

interrupted if this is possible.

For this reason avoid additional switches, plugs or power strips.

➤ Determine the required cross section of the cable in relation to the cable

length according to 3, page 4.

Key for 3, page 4

Caution!

Make sure that the polarity is correct.

z Before starting up the device for the first time, check whether the

operating voltage and the battery voltage correspond (see type plate).

➤ Connect the refrigerator

– As directly as possible to the pole of the battery or

– To a plug socket which is fused with at least 15 A (at 12 V) or 7.5 A

(at 24 V).

Caution!

Disconnect the cooling device and other power consuming

devices from the battery before connecting the battery to a quick

charging device.

Overvoltage can damage the electronics of the device.

For safety reasons the refrigerator is equipped with an electronic system

to prevent the polarity being reversed. This protects the refrigerator against

reversed polarity when connecting to a battery and against short circuiting.

To protect the battery, the refrigerator switches off automatically if the voltage

is insufficient (see table below).

Co-ordinate axis Meaning Unit

l Cable length m

∅ Cable cross section mm²

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Waeco HDC-220 Instruction Manual Page 9