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Sargent Electrical Services Ltd.
1 ELECTRICAL SYSTEM USING PSU 2005
1.1 INTRODUCTION
For the safe operation of all electrical equipment within your Caravan / Motorhome / Trailer Tent /
Folding Camper it is important that you read and fully understand these instructions. If you are unsure
of any point please contact your dealer / distributor for advice before use.
Your Caravan / Motorhome / Trailer Tent / Folding Camper has been fitted with an electrical system
from Sargent Electrical Services Ltd. and incorporates the new PSU2005 power supply. This unit
provides protection for the 240v (mains) and 12v equipment, supplies 12v power and charges the
internal leisure battery. The electrical system complies with EN 1648-1 & -2 and BS7671.
1.2 MAINS CONNECTION
For your safety it is IMPORTANT that you follow these connections instructions each time your
Caravan / Motorhome / Trailer Tent / Folding Camper is connected to a mains supply.
A) Ensure suitability of the Mains Supply. Your Caravan / Motorhome / Trailer Tent / Folding
Camper should only be connected to an approved supply that meets the requirements of BS7671.
In most cases the site warden will hold information regarding suitability of supply. If using a
generator you also need to comply with the requirements / instructions supplied with the generator.
B) Switch the PSU2005 unit OFF. Locate the red power switch on the PSU2005 and ensure the
switch is in the OFF (0) position before connection to the mains supply.
C) Connect the Hook-up Lead. Firstly connect the supplied hook-up lead (orange cable with blue
connectors) to the Caravan / Motorhome / Trailer Tent / Folding Camper and then connect to the
mains supply.
D) Check Residual Current Device operation. Locate the RCD within the PSU2005 and ensure the
RCD is switched on (lever in up position). Press the 'TEST' button and confirm that the RCD is
turned off (lever in down position). Switch the RCD back to the on position (lever in up position). If
the test button failed to operate the RCD see section 1.4.
E) Check Miniature Circuit Breakers. Locate the MCB's within the PSU2005 (adjacent to the RCD)
and ensure they are all in the ON (up) position.
F) Turn the PSU2005 ON. Locate the red power switch on the PSU2005 and turn to the ON (I)
position. The switch will illuminate when turned on.
G) Check correct Polarity. Locate the 'Reverse Polarity' indicator on the PSU2005 and ensure that
the indicator is NOT illuminated. If the indicator is illuminated see section 1.4. Note that the
reverse polarity indicator only works when the red power switch is in the ON position. Also,
reverse polarity indicator may momentarily flicker as the red power switch is turned on / off, this is
normal and does not indicate a fault.
H) Check operation of equipment. It is now safe to check the operation of the 12v and 240v
equipment.
Issue 1
PSU2005 Layout
Page 1 of 4
www.foldingcampers.net
Copyright 2003
PSU2005 Specification
Mains Input 230 Volts AC +/- 10%
Frequency 50 Hz
Output Voltage 13.5 Volts nominal
Output Current 12 Amps nominal
(150 Watts)
12 January 2005
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Summary of Contents for Sargent PSU 2005
- Page 1 Your Caravan / Motorhome / Trailer Tent / Folding Camper has been fitted with an electrical system from Sargent Electrical Services Ltd. and incorporates the new PSU2005 power supply. This unit provides protection for the 240v (mains) and 12v equipment, supplies 12v power and charges the internal leisure battery.
- Page 2 Sargent Electrical Services Ltd. Copyright 2003 1.3 BATTERY A) Type / Selection For optimum performance and safety it is essential that only a proprietary brand LEISURE battery is used with a typical capacity of 75 to 120 Ah. A normal car battery is NOT suitable.
- Page 3 Sargent Electrical Services Ltd. Copyright 2003 1.5 FUSE / MCB TABLE Fuse Rating Fuse Colour Wire Colour Description 10 Amps Black / Blue Omnivent (option) 10 Amps Purple Pump & Thetford 10 Amps Pink Rear Roof Lights 10 Amps Slate...
- Page 4 Sargent Electrical Services Ltd. Copyright 2003 2.4 Declaration of Conformity Equipment: Caravan / Motorhome Power Supply Unit (PSU) Model name: PSU2005-AV / -AU / -P / -C / -L I hereby declare that the equipment named above has been designed to comply with the relevant sections of the above referenced approvals.
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Questions and answers
Hi I just bought a caravan which has Sargent psu 2005. once I plugged the mains the polarity light stays on front little spot lights and the 2 front corner lights not working, either on battery or mains. can you pls help where to investigate please. thank you
The polarity light staying on indicates a reverse polarity issue. This means the live and neutral wires may be reversed in the mains supply. The front spot lights and corner lights not working could be due to:
1. Reverse polarity in the mains supply – check the supply and correct it.
2. MCBs (Miniature Circuit Breakers) switched off – ensure all MCBs are in the ON (up) position.
3. RCD (Residual Current Device) tripped – reset the RCD.
4. Fuses blown or incorrect – check that all 12V fuses are intact and of the correct value.
5. Equipment switched off or unplugged – ensure the lights are connected and switched on.
Check and correct the mains supply polarity and verify all connections and switches as outlined.
This answer is automatically generated