Swift Motorhome Owner's Handbook

KT12SM
Electrical Systems
12V POWER SYSTEM
Note: The connection of the battery charger
to the mains supply is in accordance with the
Regulations for Electrical Installations 16th
Edition (IEE Wiring Regulations) BS 7671:
1992.
The Power System is supplied fitted remotely
in a convenient position and comprises:
(a) Mains Unit (CEC 225)
(b) Transformer/Charger Unit KT12SM
TRANSFORMER/CHARGER UNIT
KT12SM
The KT12SM transformer/charger unit has
important safety features:
• Overload protection
• Short circuit protection
• Reverse battery polarity protection
The unit has been designed not only to
operate as a battery charger, but also for use
as a power supply, should a 12V DC battery
not be present in circuit. It is, however,
recommended that a good quality leisure
battery is installed.
Once connected to a 230V mains supply and
switched on, its operation is fully automatic.
The facility for drawing 12V supply from the
cab battery is intended for standby situations
only, and care should be taken not to run the
cab battery too low.
If the cab battery has been used on site, then
the engine driven alternator will recharge
both it and the caravan battery whilst
travelling.
However, once the cab battery is fully
charged, the alternator will supply a trickle
charge only to the caravan battery.
This will take place regardless of the position
of the battery selector switch on the KT9M5
distribution panel.
To charge either battery, position the battery
selector switch to the appropriate position
(See KT9M5, page 33).
When used as an alternative DC power
supply, with no battery in circuit, the KT12SM
will supply a suitable output for use with
pump, lighting, T.V., radio etc. Should the unit
become overloaded the 12A DC fuse will
blow. Removal of the overload or fault allows
the unit to return to normal operation, after
replacing the DC fuse. A 1A anti-surge AC
fuse is provided as further protection.
Under normal circumstances the total load
required by motorhome equipment should
not produce an overload situation.
28
Charger
On/Off
Switch
Fuses

Swift Motorhome Specifications

General

Brand	Swift
Model	Motorhome
Category	Motorhomes
Language	English