Installing and connecting the refrigerator
COOLMATIC CR Series
42
7.4
Connecting the refrigerator
Connect the refrigerator to DC power
The refrigerators can be operated with 12 V
g
or with 24 V
g
.
e
Warning!
To avoid voltage drops and loss of performance, keep the cable as
short as possible and avoid joins.
For this reason avoid additional switches, plugs or multi-way
adapters.
➤
Determine the required cross section of the cable in relation to the cable
length according to fig.
e
, page 9.
Key for fig.
e
, page 9
e
Warning!
Make sure that the polarity is correct.
➤
Before starting up the appliance for the first time, check whether the
operating voltage and the battery voltage match (see type plate).
➤
Connect the refrigerator
– as directly as possible to the poles of the battery or
– to a 12 or 24 V
g
socket.
Fit a fuse in the positive wire of at least 15 A (for 12 V) or 7.5 A (for 24 V)
(fig.
f
1, page 9).
➤
Connect the red cable (fig.
f
rt, page 9) to the positive terminal of the
battery.
➤
Connect the black cable (fig.
f
sw, page 9) to the negative terminal of
the battery.
e
Warning!
Disconnect the refrigerator and other electric loads from the battery
before connecting the battery to a quick charging device.
Overvoltage can damage the appliance electronics.
Co-ordinate axis
Explanation
Unit
l
Cable length
m
∅
Cable cross section
mm²
_cr-kuehlschraenke.book Seite 42 Montag, 6. April 2009 1:03 13
