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EC700 Power Control System 

 

Issue: 1 

Page 1 of 17 

1

st

 October 2017 

1  Introduction 

This section of the handbook will guide you through the operation of the electrical system.  All details 
are correct at the time of going to press.  Please also see the online version which will include any later 
updates or amendments. 

Further technical details are contained in section 3 or in the supporting technical manual available from 

www.sargentltd.co.uk

 

For the safe operation of all electrical equipment within your motorhome 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 EC700 Power Supply Unit (PSU) - a combined mains consumer unit and 12V controller 

located in the bed box or upper locker.  

·

  The EC700 Control Panel (CP) - a remotely located user control panel used to turn circuits 

on and off and to display battery, water tank and other system information.  This panel uses 
simple straightforward controls and reliable data communication to the PSU. 

·

  The PX300 Intelligent Battery charger 300W. - A separate, air cooled 300 Watt multi-stage 

power converter unit that charges the batteries and provides 12V DC power. 

·

  The EM40 Vehicle Interface Unit - This small unit is located at floor level behind the drivers’ 

seat.  The unit houses fuses for the fridge, vehicle battery, radio and other systems.  It also 
provides connections for the optional tow bar harness. 

2  Using the System 

2.1  Power Supply Unit - Component Layout 

The PSU is located in the front offside upper locker and similar locations 

 

 

2.2  Activating the System 

The EC700 system has a shutdown feature that can be used when the vehicle is in storage.  This 
allows the leisure electronics to be turned off when not required to save battery power.  When in the off 
state the alarm and tracking system supplies are still active, all other supplies are turned off. 

Before using the system please ensure the system shutdown switch is in the on position (button in) the 
system is now active. 

Note: if you plan to use the My Auto-Trail remote features the system needs to be active. 

RCD Test 

Button 

Reverse polarity 

indicator 

Heating System 

Switch 

Charger 

switch 

Isolation 

switch 

12 Volt DC fuses 

(under flap) 

Miniature Circuit 

Breakers (MCB’s) 

(under flap) 

Residual Current 

Device (RCD) 

Содержание EC700

Страница 1: ...forward controls and reliable data communication to the PSU The PX300 Intelligent Battery charger 300W A separate air cooled 300 Watt multi stage power converter unit that charges the batteries and provides 12V DC power The EM40 Vehicle Interface Unit This small unit is located at floor level behind the drivers seat The unit houses fuses for the fridge vehicle battery radio and other systems It al...

Страница 2: ...upply D Check Residual Current Device operation Locate the RCD within the PSU and ensure the RCD is switched on lever in up position Press the Test button and confirm that the RCD turns 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 3 18 E Check Miniature Circuit Breakers Locate the MCB s within the PS...

Страница 3: ...t ac current and solar current Main Lights Pressing this button toggles the mains light on and off When on the button will be back lit blue Awning lights Pressing this button toggles the awning entry lights on and off When on the button will be back lit blue Dimmed Lights Pressing this button toggles the dimmed lights on and off Pressing and holding the dimmed lights button will change the dimming...

Страница 4: ...C 2 5 2 Water levels screen The fresh water level is shown on the left of the screen whilst the waste water level is shown on the right Please Note that the levels on the screen will update more frequently if the pumps are switched on An audible warning will sound for up to 60 seconds and a warning message will display on screen if the fresh water level falls below 25 or if the waste is full Press...

Страница 5: ...power settings screen section 2 5 4 The active battery current shows if the battery is being charged or discharged On the screen shown above the battery is being charged as the current is on the positive scale If the battery was being discharged the current would be shown on the negative scale 2 5 4 Power settings screen Settings screen navigation Left arrow takes you to the previous settings scre...

Страница 6: ...s will only be on while the external temperature is below 2oC and if there is over 25 of water in the tank Active battery select The battery highlighted in blue is the active battery this is the battery being charged by mains when plugged in and the battery that is being used by the system Pressing the smart battery charging button switches smart charging on and off the button is lit blue while on...

Страница 7: ...ep off and on Water level alarms pressing the water level alarm toggle button switches the water level alarms on and off Screen back light level pressing the button decreases the back light brightness while pressing the button increases the brightness Screen time out pressing the button decreases the screen time out time while pressing the button increases the screen time out time 2 5 7 Time date ...

Страница 8: ...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 some current is passing through a person down to earth or through a faulty appliance To ensure the RCD is working correctly the test button should be operated each time the vehic...

Страница 9: ...st cases it is safe to use a generator but please consult the generator handbook for further information 3 3 Battery Charger The system incorporates an intelligent three stage battery charger During stage 1 the battery voltage is increased gradually while the current is limited to start the charging process and protect the battery At stage 2 the voltage rises to 14 4V to deliver the bulk charge to...

Страница 10: ...is fuse could be up to 40A however if two batteries are fitted each battery should be fused at a maximum of 20A B Installation Removal Always disconnect the 230V mains supply and turn the PSU green charger switch to the off position button out before removing or installing the battery When connecting the battery ensure that the correct polarity is observed black is negative and red is positive and...

Страница 11: ...the control panel power switch it will not protect the battery from discharge by permanently connected equipment 3 5 12 Volt DC Fuses WARNING When replacing fuses always replace a fuse with the correct value NEVER replace with a higher value rating as this could damage the wiring harness If a replacement fuse blows do not keep replacing the fuse as you could damage the wiring harness Please invest...

Страница 12: ...ically 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 3 8 Water Pump Operation The EC700 control panel pump button operates the internal water pump drawing water from an internal tank if fitted or an external container when no internal tank is fitted The water tanks fresh waste incorporate a leve...

Страница 13: ...is started the step will move in automatically after a short warning buzzer If this operation fails due to an obstacle a buzzer will sound continuously to warn that the step is still out and therefore requires your attention 3 12 Temperature Readings The EC700 Temperature sensor measures the core temperature of the vehicle and provides a figure for information only The same sensor also measures hu...

Страница 14: ...ected for charging The charging voltage is also shown on screen Step extended Step extended and engine started Message on screen and warning buzzer Step jammed or obstructed Mains lead hook up cable still connected plugged in When the engine is started and the mains cable is still plugged in and the charger is switched on Message on screen and repeated beeps from the control panel The beeping will...

Страница 15: ...nel locked erratic function Observe control panel handling instructions Control panel software may have crashed Reboot control panel by turning off the PSU isolate switch Wait 30 seconds then turn the switch back on Check with your dealer that your system has the latest software installed as an update may be available No 12 volt output from PSU No 230V supply Check all above Charger not switched o...

Страница 16: ...gory 6 approved provides European coverage and is ready for use all you need to do is purchase a tracking subscription by visiting the My Auto Trail section of the Auto Trail website The tracker may reduce your annual insurance premiums and provides extra peace of mind for just 95 per year 4 4 Replacement parts The Control panel contains a small lithium battery to maintain the clock when no other ...

Страница 17: ...7 x 14mm Weight 80g 5 2 Approvals System BSEN 1648 1 BSEN1648 2 compliant BS7671 2008 compliant Residual Current Device RCD 40A 30mA trip to BS EN 61008 Miniature Circuit Breakers MCB s type C 6000A breaking capacity to BSEN 60898 Electro Magnetic Compatibility EMC directive 2014 30 EU Integrated Charger BS EN 60335 1 2 29 2006 95EC IEC61000 3 2 3 1995 1 Low Voltage Directive 2006 95EC TUV 014900 ...

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