Sargent Electrical Services Ltd.
2007
AC80&SC20 Control Panels - Issue 2.doc
Page 2 of 3
8/2/07
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Symbol
Function
Description
12v Power On / OFF
This switch turns on (or off) the 12-volt power to all circuits.
Note: as this switch works in conjunction with a relay (that uses
around 40mA to operate), it should only be used for relatively
short periods of time while using the caravan (i.e. when going
out for the day).
For long-term isolation of the12 volt power, please place the Car
/ Van selector switch on the ESM2004 power supply unit in the
centre (Off) position (i.e. during storage).
Internal Pump
This switch turns on power to the internal water pump ready for
use. It can be used to turn off the pump over night to avoid any
noise from the pump.
Note: A green indicator lamp will illuminate within the bottom left
corner of the battery gauge when the pump feed is switched on.
External Pump
In caravans with an additional (external) pump, this switch will
be a two-way switch with a centre off position. This allows the
selection of either the internal pump (switch up – Tap symbol) or
external pump (switch down – Tank symbol).
Battery Level test
This switch is used to display the battery voltage level. Press
and hold the switch to display the battery level on the gauge.
The green region indicates a battery with a good charge, the
yellow region indicates a battery with an adequate charge, and
the red region indicates a battery that requires charging.
Water Level test
This switch is used to display the fresh water level within the
onboard water tank. Press and hold the switch to display the
water level on the gauge.
The gauge indicates the water level on an ‘Empty - ¼ - ½ - ¾ -
Full’ scale, with empty being on the left.
When using the optional remote control unit, please ensure the control panel ‘12v Power’
switch is in the ON position and the separately located ‘Entry light’ switch is in the OFF
position for correct operation of the remote control (as the remote control operates in
parallel with these switches). The remote control button [I] controls the Entry Light and
button [II] controls the 12v Power.
If you do not wish to use the remote control, or the remote battery is flat / remote has
been lost, you can of course return to manual operation by using the manual switches.
If the power has been turned off using the remote control and then the remote has been
lost / battery become flat you will need to carry out the following to reset the caravan:
Place the Car / Van selector switch on the ESM2004 power supply unit in the centre
(OFF) position and turn the charger switch to the OFF position, wait 5 seconds and then
turn the charger & Car / Van selector switch back on.
The UH**** number on the back of the remote control is the remote code number.
Please keep a record of this number in case you need to order a replacement or
additional remote control.
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