Dometic RM 7401 L - Manual (Page 27)

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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 electrical installation must comply with national regulations
(EN 60335-2-24, EN 1648-1, EN 1648-2 for Europe).
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 components of the unit/burner
or with sharp edges.
Changes at the internal electrical installation or the connection of other
electrical components (e.g. additional fan) to the internal wiring of the
appliance will expire the e1/ CE admittance as well as any claims from
guarantee and product liability!
Power line connection
The power must be supplied via a properly earthed socket outlet or hard-
wired connection.
Where a socket outlet is used for the mains connection lead, the outlet
must be freely accessible.
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
components of the unit/burner or with sharp edges.
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.
Battery connection
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.
Cross-sectional area of cable Length of cable
4mm ² < 6m
6mm ² > 6m
The 12V circuit must be protected with a 16A 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 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.
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 connected to each
other on the caravan-side ( EN 1648-1).
6.9
6.9.1
6.9.2