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EC400 / EC450 series Power Control System
1 Introduction
This section of the handbook will guide you through the operation of the electrical system.
Further technical details are contained in section 3 or in the supporting dealer technical manual
available from
www.sargentltd.co.uk
For the safe operation of all electrical equipment within your Leisure Vehicle 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.
The system has a number of key components that you will need to be familiar with before attempting to
use the system, these are:
·
The EC400 / EC450 series Power Supply Unit (PSU) - a combined mains consumer unit
and 12V controller located in the front locker or bed box area. On locker mounted caravan
versions this unit also contains the provision for the Radio/CD head unit. The EC400 /
EC450 series of power supply units include the EC400 range (horizontal units) and the
EC450 range (vertical units), further details are contained later in this document.
·
The EC400 / EC450 series Control Panel (CP) - a remotely located user control panel used
to turn circuits on and off and to display battery and water tank information. This panel uses
simple straightforward controls and reliable data communication to the PSU.
·
Road Light Fuse Box - This small unit, which is unique to caravans, is located in the front
bed box. The unit houses fuses for the road lighting circuits and supplies from the tow
vehicle, and also has connectors for the optional alarm system and Automatic Trailer Control
(ATC) unit.
2 Using the System
The PSU is located in the front offside locker area or front bed box in caravans, and in similar locations
in motorhomes.
2.1 Power Supply Unit - Models
A number of different PSU versions are used within the system and are shown above. The operation
of each model is very similar and is detailed below.
Issue 1
Page 1 of 13
th
12
June 2011
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Related Manuals for Sargent EC400 Series
Summary of Contents for Sargent EC400 Series
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Page 1: Using The System
EC400 / EC450 series Power Control System 1 Introduction This section of the handbook will guide you through the operation of the electrical system. Further technical details are contained in section 3 or in the supporting dealer technical manual available from www.sargentltd.co.uk For the safe operation of all electrical equipment within your Leisure Vehicle it is important that you read and fully understand these instructions. -
Page 2: Activating The System
EC400 / EC450 series Power Control System 2.2 Power Supply Unit – Component Layout 230V Components Red indicator – Reverse polarity indicator, lights up when the 230V supply polarity is reversed. Green push switch – Charger switch, this switch turns the 12V battery charger on or off. “In” is on “out”... - Page 3 EC400 / EC450 series Power Control System 2.4 Connecting to the Mains 230V supply and Safety checks For your safety it is IMPORTANT that you follow these connections instructions each time your Leisure Vehicle is connected to a mains supply. This section assumes that the system is complete and that a Leisure battery has been installed (see 3.4).
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Page 4: Control Panel Operation
EC400 / EC450 series Power Control System EC462 Caravan Control Panels EC451 EC447 EC442 2.6 Control Panel Operation · Power Button. Press the power button to turn the leisure power on. Press the button again to turn the power off. The adjacent LED will illuminate when the power is on, and also the voltage of the selected battery will be displayed on the voltage gauge. -
Page 5: Operation While Driving
EC400 / EC450 series Power Control System change the selected battery, press the vehicle battery select button. The selected battery is indicated by an LED adjacent to the caravan or car logo (for caravans) or the LED’s situated to the front (vehicle) or rear (leisure) of the motorhome logo (for motorhomes). ·... -
Page 6: Battery Charger
EC400 / EC450 series Power Control System 3 System Technical Information The following section provides further technical information relating to the electrical system. You can also access the supporting technical manual from www.sargentltd.co.uk 3.1 Residual Current Device & Miniature Circuit Breakers The Residual Current Device (RCD) is basically provided Residual Current Miniature Circuit... -
Page 7: Smart Charging
EC400 / EC450 series Power Control System 3.3 Smart Charging On EC468 and EC469 PSU’s, the system incorporates a smart charge feature, which monitors both leisure and vehicle batteries and automatically adjusts and directs the charger power (and solar power if a solar panel is installed) to maintain the leisure and vehicle batteries at an optimal level. - Page 8 EC400 / EC450 series Power Control System Voltage Battery Action after cut off Notes cut off This cut off level is designed to protect the vehicle Battery selection is battery from over discharge. The 10.9v level changed from Vehicle ensures there is sufficient power in the battery to run battery to Leisure the vehicle electronics and start the vehicle.
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Page 9: Water System Operation
EC400 / EC450 series Power Control System The following table shows details of the fuse(s) located at the Leisure battery. See also 3.4A Fuse Rating Fuse Colour Description Battery 1 20 Amps Yellow Fuse remotely located near battery Battery 2 20 Amps Yellow Fuse remotely located near battery 2 (where fitted) -
Page 10: Frost Protection
EC400 / EC450 series Power Control System These warnings will not be repeated unless the water pump power switch is turned off and on again. This is to ensure the warning does not become a nuisance. 3.9 Frost Protection On vehicles fitted with water tank frost protection, the control panel frost protect switch can be used to turn the feature on or off. -
Page 11: Contact Details
Ensure the setting matches your desired requirement. 3.13 Contact details Sargent Electrical Services Limited, provide a technical help line during office hours. Please contact 01482 678981 if you require technical help. For out of hour support please refer to the tech support section of the Sargent web site www.sargentltd.co.uk... - Page 12 EC400 / EC450 series Power Control System 4 Technical Data & Approvals 4.1 Caravan Equipment – EC440,445,448,449 PSU & EC441,442,443,446,447,451 Control Panel Outline Specification INPUT 230v 230 Volts / 0 to 16 Amps + / - 10% RCD protected, 3 x MCB outputs of 10A OUTPUT 230v Separate switched channels for water heater, space heater and charger...
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Page 13: Declaration Of Conformity
I hereby declare that the equipment named above has been designed to comply with the relevant sections of the above referenced approvals. The unit complies with all essential requirements of the Directives. Signed: Name: Position: Manufacturer: Sargent Electrical Services Ltd I L Sargent Technical Director Unit 39, Tokenspire Business Park Woodmansey, Beverley East Yorkshire, United Kingdom...
Need help?
Do you have a question about the EC400 Series and is the answer not in the manual?
Questions and answers
Hi Do you have a wiring diagram for ec466 control panel
The wiring diagram for the Sargent EC400 Series control panel is not fully detailed in the provided context. However, it includes information about input and output specifications:
- 230V Input: 0–16 Amps ±10%, RCD protected, with three MCB outputs (two 10A, one 16A).
- 12V Input: Two 20A battery inputs via 4-way connectors, and a dedicated solar panel input (20–100W).
- 12V Output: Up to 25A total, through multiple switched channels protected by 14 fused outputs.
- Charger Output: 13.6–14.4V DC, 25 Amps (300 Watts).
A user referred to a downloadable diagram from the manufacturer, indicating it shows the external wiring connections (installation diagram), not internal circuit schematics. For full internal schematics, the manufacturer (Sargent) would need to be contacted.
This answer is automatically generated
Can you please tell me if the battery charger in the EC450 is OK for a Lithium battery?
No. The EC450 is configured to work with standard lead acid leisure batteries and is compatible with most Absorbed Glass Mat (AGM) batteries, but there is no mention of compatibility with Lithium batteries.
This answer is automatically generated
Sargent / EC450 series The Mains on indication. When connected to a 230v supply the LED with a "lightning strike"shown. will the lighting strike light stay on all the time when connected to the mains as.mine goes out
Yes, the lightning strike LED on the Sargent EC450 series will stay on continuously when connected to a 230V supply to indicate mains power is present.
This answer is automatically generated
Do I need to change or install any extra equipment when lithium batteries are installed as leisure batteries
heating/hot water display showing error e517