Sargent EC155 User Manual

Sargent EC155 User Manual

Power control system

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Please be aware that there are two revisions of the EC5x series control panels.
The older revision 1 panels have a green power LED and a black circuit board and are covered by the old
issue 1 instructions (see www.sargentltd.co.uk).
These issue 2 instructions only apply to the later revision 2 control panels which have a blue power LED
and a green circuit board.

1 Key Features

150W (~12A) combined Power Converter / Battery Charger - Converts the 230V mains supply into 12V
DC power to run the leisure equipment and charge the battery.
Low current switching reduces voltage drop in the circuit and improved circuit fusing provides better
protection for the harness and equipment.
Links to the EC5x series LED Control Panel to provide simple but intelligent control of the 12V
equipment and built in over discharge software protects the leisure and vehicle batteries.

2 System Overview

The following diagram shows the typical configuration of the EC155 system. The key component is
the EC155 power supply unit (PSU), which is the hub of the system and provides connectivity to the
ancillary components and the EC5x series control panel.
12v LEISURE
12v LEISURE
12v LEISURE
BATTERY
BATTERY
12v VEHICLE
12v VEHICLE
12v VEHICLE
BATTERY
BATTERY
BATTERY
12v
12v
EQUIPMENT
EQUIPMENT
SENSOR
SENSOR
INPUTS
INPUTS
Issue 2
EC155 Power Control System

Important Version Identification

150W
150W
Charger /
Charger /
Power Supply
Power Supply
Relay Module
Relay Module
EC51 Model Only
EC51 Model Only
Page 1 of 11
EC155 Power Supply Unit
EC155 Power Supply Unit
EC50 / 51 Control Panel
230v
230v
EQUIPMENT
EQUIPMENT
230v
230v
230v
IN
IN
IN
June 2013

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Do you have a question about the EC155 and is the answer not in the manual?

Questions and answers

s
January 22, 2025

where is the leisure battery

1 comments:
Mr. Anderson
February 10, 2025

The leisure battery in a Sargent EC155 setup is typically located within the battery compartment or within 500mm of the battery compartment, as the battery feed is fitted with an inline fuse positioned in this area.

This answer is automatically generated

Bob
February 25, 2025

Does it charge the vehicle battery when it’s on ehu ?

User image 67bdc9c146664
1 comments:
Mr. Anderson
February 25, 2025

The available information suggests that the Sargent EC155 does not charge the vehicle battery when connected to EHU. A user expresses doubt about this, stating they cannot be certain without details of the specific installation. Therefore, it is unlikely that the EC155 charges the vehicle battery when hooked up to EHU.

This answer is automatically generated

Summary of Contents for Sargent EC155

  • Page 1: Key Features

    The following diagram shows the typical configuration of the EC155 system. The key component is the EC155 power supply unit (PSU), which is the hub of the system and provides connectivity to the ancillary components and the EC5x series control panel.
  • Page 2 EC155 Power Control System 3 Power Supply Details 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.
  • Page 3 EC155 Power Control System 3.2 Residual Current Device & Miniature Circuit Breakers The Residual Current Device (RCD) is basically provided to protect the user from lethal electric shock. The RCD will turn off (trip) if the current flowing in the live conductor does not fully return down the neutral conductor, i.e.
  • Page 4 EC155 Power Control System 3.4 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 (Ampere / hours). A normal car battery is NOT suitable.
  • Page 5 EC155 Power Control System 4 Control Panel Details Leisure Leisure Vehicle Vehicle Indicator Indicator Select & Select & Select & Select & Level Level Lamps x5 Lamps x5 Level Level Level Level Display Display Power Power ON / OFF ON / OFF...
  • Page 6 EC155 Power Control System EC51 version of the control panel with water level display Leisure Leisure Vehicle Vehicle Indicator Indicator Select & Select & Select & Select & Level Level Lamps x5 Lamps x5 Level Level Level Level Display Display...
  • Page 7 EC155 Power Control System 4.3 System Disable To meet EMC (Electro Magnetic Compatibility) directive 89/336/EEC the EC50 series control panel will shutdown, and the electrical accessories within the vehicle will be disconnected while the vehicle is in motion. During this state the Leisure and Vehicle button LED’s will flash to indicate the engine is running and the leisure battery is being charged from the alternator.
  • Page 8 See section 3 Other fault Contact your Dealer Fuse blown Replace fuse Pump not Turn pump on by pressing the pump button at the EC155 control working Pump turned off panel (tap symbol) Issue 2 Page 8 of 11...
  • Page 9 EC155 Power Control System 6 Technical Data & Approvals 6.1 Outline Specification INPUT 230V 230 Volts / 0 to 12 Amps + / - 10% RCD protected, 3 x MCB outputs of 10, 10 and 6A via 2 x OUTPUT 230V...
  • Page 10 EC155 Power Control System 6.5 Electrical Connection A) Battery Input Connector Function Fuse Wire Colour Fridge 12V output RED / YELLOW Battery common earth 1 WHITE / ORANGE Battery common earth 2 WHITE / ORANGE Auxiliary 12V output SLATE / RED...
  • Page 11 EC155 Power Control System D) 230v Mains output connector (2 off connectors wired identical) Function Wire Colour Live BROWN Earth GREEN / YELLOW Neutral BLUE Live BROWN Earth GREEN / YELLOW Neutral BLUE Live BROWN Earth GREEN / YELLOW Neutral...

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