Ec500 Power Supply Unit - Auto-Trail Excel Owner's Handbook Manual

: OW NERS HA N D B O O K
Pump Button
The pump button turns on the 12 volt water pump
circuit. Press the button once to turn on the water pump
- the LED will illuminate, press the button again to turn
off the pump – the LED will go out.
Light Button
The light button turns on the main internal 12 volt lights.
Press the button once to turn on the main lights – the
LED will illuminate, press the button again to turn the
lights off – LED will go out.
Battery Select Button
This button allows you to select which battery is used
as the power source for the vehicle, or which battery is
being charged by the on board charging system if
connected to the mains supply. The control panel will
automatically select the leisure battery when the 12
volt system is turned on.
Reverse Polarity Indicator
This light is designed to illuminate when the live and
neutral mains input supply has been reversed (crossed
over). If the light illuminates then there is a problem
with either the site supply or the cable connecting the
supply to your vehicle.
Please note that if you choose to use your vehicle with
a generator this could also illuminate the reverse
polarity indicator. This is a normal side effect when
using some types of generator and does not
necessarily indicate a fault. Please refer to your
generator handbook for further information.
Charger Button
The charger button turns on the internal battery
charger that will charge the batteries and provide
12 volt power to the interior of the vehicle. The switch
will illuminate when the switch is pushed in and the
vehicle is connected to the mains supply.
Space Heater Switch
The space heater switch will isolate the mains supply to
the space heater when the vehicle is plugged into a
suitable 230 volt supply. Press the button once to turn
the supply on – the button will stay in and the button
will illuminate, press the button again to turn the supply
off, the light will go out.
Water Heater Switch
The water heater switch will isolate the mains supply to
the water heater when the vehicle is plugged into a
suitable 230 volt supply. Press the button once to turn

EC500 Power Supply Unit

the supply on – the button will stay in and the button
will illuminate, press the button again to turn the supply
off, the light will go out.
Cautionary Note
Apart from the changing of fuses and the
testing and resetting of the RCD and MCB's no
maintenance is required on the PSU unit. If a
problem develops with your unit please contact
your supplying dealer or a qualified electrician.
The LED control panel (normally located over
the entrance door) controls all of the on board
12v systems.
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