Electrical systems
52
MOTORHOME BATTERY
It is recommended that a good quality leisure
battery is always in circuit when the system is
in use.
A deep cycling rechargeable heavy duty 12v
battery should be used to provide power
for lights and other electrical appliances. A
proprietary brand leisure battery with a minimum
85amp - 110 amp capacity is recommended.
Note: 85amp - 110 amp batteries and above
should be checked dimensionally before
purchasing, to ensure fitment within the battery
compartment, as brands vary in size.
It should be remembered that batteries suitable
for the electrical demands of a motorhome
differ in design from those for use with a car,
and whilst the system may operate with a car
battery it is strongly recommended that only a
rechargeable leisure type battery, maintained in
good condition is used. The battery should be
kept topped up at all times.
If two leisure batteries are fitted additional care
is needed, as one battery deteriorates this can
reduce the lifespan of the other.
The battery or batteries should be positioned
in the appropriate compartment, which is
vented to the outside, and be properly secured
before travelling.
WARNING: When connecting the battery,
ensure that the correct polarity is
observed (black is negative and red/brown
is positive) and that the terminals are
securely fastened.
Under normal circumstances it should not be
necessary to remove the battery other than for
routine inspection of terminals and ‘topping up’.
WARNING: Explosive gases may be
present at the battery. Take care to
prevent flames and sparks in the vicinity.
Your motorhome has been fitted with an in-line
fuse between the battery terminal and strip
connector. It is recommended that the fuse
rating fitted in this location does not exceed
20 amps per battery.
WARNING: Switch off all appliances and
lamps before connecting or disconnecting
the battery.
Smoking is prohibited around the
battery compartment.
To preserve the life of your leisure battery and
charger please observe the following:
i) Do not leave all 12v lights powered at the
same time as this will drain your leisure
battery more rapidly.
ii) If all 12v lights must be powered together,
ensure the battery is ‘in-circuit’ and that the
battery charger is turned on.
iii) For optimum performance use the
transformer/charger unit with a leisure
battery attached.
Please note the auxiliary battery or batteries
supplied with your motorhome may not be fully
charged and should be charged for a minimum
of 24 hours before use.
Battery performance may be affected by a
number of things such as ambient temperature,
age, state of charge etc.
FAULT FINDING
1. Mains supply
If mains supply is not available when mains
switch and MCBs are switched on, check
supply at site distribution and/or mains
lead and connections. See Control Panel
information for reverse polarity indication.
2. Earth faults or MCB tripped
See RCD/MCD Section.
3. Charger fails to provide output
Check mains supply as for No.1 and 2.
4. Battery discharged or not charging with
charger on
Check battery terminals.
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