Electrics
42
ESM 2 ELECTRICAL SUPPLY
MODULE
The ESM 2 Electrical Supply Module from
Plug-In-Systems Ltd is a 230V mains and
12V DC power supply unit, providing all the
necessary features for supply of electric in
your caravan. The unit provides the following
important features.
Connections
Plug & socket input/outputs
Mains 230V AC
Mains module with
Earth leakage protection (RCD)
Overcurrent protection (MCBs)
12V DC
Fully automatic transformer/charger with
Overcurrent protection
Short circuit protection
Charger on/off switch
UNIT DESCRIPTION
Mains Module
The ESM 2 is designed to operate on a
mains supply of 185-265 volts ac (making it
ideal for use with low continental voltages).
The 40 amp RCD (Residual Current Device)
gives protection against earth faults and also
acts as the main switch.
The mains module also has three MCBs
(Miniature Circuit Breakers) which are
basically resettable mains fuses, to protect
against overcurrent. Allocation of the MCBs
is as follows:
MBC1- Sockets/Space Heater (if fitted)
MCB2- Space Heater/Lights (if fitted)
MCB3- Fridge/Charger
Symbol Function Description
Water This switch is used to display the fresh water level within the onboard water tank. Press and hold the switch to
Level test display the water level on the gauge.
The gauge indicates the water level on an ‘Empty - 1/4 - 1/2 - 3/4 - Full’ scale, with empty being on the left.
When using the optional remote control unit, please ensure the control panel ‘Power’ and ‘Entry light’ switches are in the off
position for correct operation of the remote control (as the remote control operates in parallel with the control panel 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 switches on the control panel.
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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