Electrics
41
Symbol Function Description
12v Power This switch turns on (or off) the 12-volt power to all circuits.
On / OFF 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).
Entry light This switch operates the internal entry light (usually the first light within the caravan).
Internal This switch turns on power to the internal water pump ready for use. It can be used to turn off the pump over
Pump 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
motor is running.
External In caravans with an additional (external) pump, this switch will be a two-way switch with a centre off position.
Pump This allows the selection of either the internal pump (switch up) or external pump (switch down).
Note: A green indicator lamp will illuminate within the bottom left corner of the battery gauge when the pump
motor is running.
Battery This switch is used to display the battery voltage level. Press and hold the switch to display the battery level
Level test 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.
AC50 AND AC75 CONTROL PANEL OPERATION
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