Electrical Installation - Dometic RM 7401 Installation & Operating Instructions Manual

6.9

Electrical installation

Electrical installation may only be carried out by qualified personnel.
The connection cables must be laid in such a way that they do not come in
contact with hot components of the unit/burner or with sharp edges. The elec-
trical installation must comply with national regulations.
It is advisable to run the incoming supply through an on-board fuse or automa-
tic circuit breaker. The power cable must be laid in such a way that it does not
come in contact with hot components of the unit/burner or with sharp edges.
Changes at the internal electrical installation or the connection of other electri-
cal components (e.g. external fan not approved by Dometic) to the internal
wiring of the appliance will expire any claims from guarantee and product liabi-
lity !
6.9.1 Power line connection
The power must be supplied via a properly earthed socket outlet or hardwired
connection. Where a socket outlet is used for the mains connection lead, the out-
let must be freely accessible..
If the connection cable is damaged it must be replaced by the Customer Service
at Dometic, or by respectively qualified personnel, in order to prevent any
hazards.
It is advisable to run the incoming supply through an on-board fuse or automatic
circuit breaker. The power cable must be laid in such a way that it does not come in
contact with hot
Battery connection
6.9.2
The machine's mains 12V connection cable is connected (observing correct
polarity) to a terminal strip. The cabling must be direct and by the shortest possible
route to the battery and alternator respectively.
Motorcaravan
Caravan (inside)
Caravan (outside)
The 12V circuit must be protected with a 16 Amp fuse.
The heating element circuit must be connected to the vehicle battery by a suitable
ignition operated relay in order that the 12V supply is only live while the vehicle
ignition is switched on.
The connection C/D (interior light, electronics ; cable black / violet)
must be permanently attached, and protected with 2 Amp fuse. It must not be cut-
out when the vehicle ignition key is turned off.
This can be realised with an on-board habitation battery i.e.
CAUTION
WARNING
WARNING
components of the unit/burner or with sharp edges.
Cross-sectional area of cable
If the appliance is installed in a caravan the respective leads for
12V+ and 12V- the connections A/B and C/D must not be connec-
ted to each other on the caravan-side.
Length of cable
4 mm ²
6 mm ²
min 2,5 mm ²
26
< 6 m
> 6 m
possible
2,5mm²