Dometic RUA 6408X, Installation Manual

Page: 28 / 32

Connecting the refrigerator RUA5208X, RUA6408X, RUA8408X
EN
28
Connect the device as follows:
AC power
➤
Connect the refrigerator with the mains plug to an AC socket.
DC power
Please note the following cable sizes:
– 12 V DC vehicle battery to heater connection:
≥
10 mm
2
(fig.
q
23, page 26)
– 12 V DC house battery to power module connection:
≥
1 mm
2
(fig.
q
26, page 26)
– Connection D+:
≥
0.5 mm
2
(fig.
q
25, page 26)
– Total cable length: max. 8 m
1. Protect the DC vehicle battery supply for the 12 V DC heater with 30 A fuse.
I
2. Protect the DC house battery supply for power module with 3 A fuse.
3. Run vehicle battery cables to the DC heater via a relay or suitable means controlled by an igni-
tion switch to prevent battery from completely discharging, if the engine is switched off
(fig.
p
2, page 25).
4. Connect vehicle battery cables to the respective plus and minus terminal (fig.
q
23,
page 26).
5. Connect house battery cables to the respective plus and minus terminal (fig.
q
26, page 26).
D+
In automatic mode, the refrigerator selects the most favourable mode available. The refrigerator is
only operated with DC power when the vehicle engine is running. The electronics of the refriger-
ator use the signal D+ from the vehicle alternator to detect the running engine.
➤
Connect the D+ connection (fig.
q
25, page 26) with the respective terminal of the vehicle.
NOTE
• It is recommended that the fuse be located as close as possible to the vehicle bat-
tery.
• For caravan installations it is not acceptable to rely only on fuse protection that may
be located within a tow vehicle.
• Recommended location for 30 A fuse is at the caravan connector provided for the
tow vehicle (fig.
p
1, page 25).
DometicRUA5208X6408X8408X_INM_4445102444_APAC(en)_xxxx-xx-xx.book Seite 28 Montag, 15.