Redarc LFP1225 User Manual Download

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CONTENTS

Table of Contents

Page

Warnings and Safety Instructions

Contents 02

Specifications 02

1 Product Function

Display Panel

Charging Algorithm

Turn On/Off Thresholds

Error Codes

2 Installation

RED wire - Input Source Positive

BLUE wire - Source Select

ORANGE wire - Not Used

BROWN wire - Auxiliary Battery Positive

BLACK wire - Common Ground

GREEN wire - Optional External LED Indication

Cable Sizing

Wiring

RK1260 Relay Kit

3 Troubleshooting

4 Frequently Asked Questions

5 Two Year Warranty

Specifications

Part Number

LFP1225(LV)

LFP1240(LV)

Continuous Current Rating

25A

40A

Input Fuse Rating

40A (Not Supplied)

REDARC FK40

recommended

60A (Not supplied)

REDARC FK60

recommended

Output Fuse Rating

Output Power

375W

600W

DC Input Voltage Range

9-32V (9V-16V for LV models)

Solar Panel Open Circuit Voltage

17.5V-28.0V

Battery Type

LiFePO

Constant Current Stage Voltage level

14.6V

Constant Voltage Stage Voltage level

14.5V

No Load Current

<100mA

Standby Current

<8mA

Ambient Temperature

-20°C to +80°C

Minimum O/P Battery Volts

4.2V

Weight

680g

Dimensions

150x120x37mm

Warranty

2 years

Standards

CE, C-Tick, AS/NZS CISPR11:2004

Summary of Contents for LFP1225

Page 1: ...In vehicle 12V LiFePO4 Battery Charger LFP1225 LFP1225 LV LFP1240 LFP1240 LV ...

Page 2: ... LFP1225 LV LFP1240 LV This appliance is not intended for use by persons including children with reduced physical sensory or mental capabilities or lack of experience and knowledge unless they are supervised or have been instructed on how to use the appliance by a person responsible for their safety Children should be supervised to ensure that they do not play with the appliance Only use the LFP12...

Page 3: ...roubleshooting 12 4 Frequently Asked Questions 13 5 Two Year Warranty 14 Specifications Part Number LFP1225 LV LFP1240 LV Continuous Current Rating 25A 40A Input Fuse Rating 40A Not Supplied REDARC FK40 recommended 60A Not supplied REDARC FK60 recommended Output Fuse Rating Output Power 375W 600W DC Input Voltage Range 9 32V 9V 16V for LV models Solar Panel Open Circuit Voltage 17 5V 28 0V Battery...

Page 4: ...iliary battery to avoid over discharging the main battery 1 1 Display Panel The front panel features 2 LEDs to display the charge mode and charge status LED State Charge Mode LED Charge Status LED Off Unit has no Power Output is off Blinking Unit is in Standby Unit is supplying power On Unit is on and can supply power When blinking the flash duty cycle of the Charge Status LED will increase to ref...

Page 5: ...a load applied to the battery causes it to lose charge the charger will move back into the Constant Current stage 1 3 Turn On Off Thresholds 12V LFP1225 LFP1240 12V LFP1225 LV LFP1240 LV Solar All Models 24V standard 3 LFP1225 LFP1240 Input Open Circuit Low voltage conditions 1 Turn ON above 13 2V 12 0V 17 5V 26 4V Turn OFF below 12 7V 11 9V 17 2V 25 4V Input Loaded Low voltage conditions 2 Turn O...

Page 6: ...flash followed by 3 5 second off Reverse polarity NOTE The unit will operate optimally below 55 C with good airflow At higher temperatures the unit will de rate output current NOTE Appropriate connections must be made to the wires with a continuous current rating of at least 25A for the LFP1225 LV or 40A for the LFP1240 LV Failure to do so may cause damage to the unit and vehicle 2 INSTALLATION Mo...

Page 7: ... For standard non LV models the BLUE wire may be permanently connected to the 12v supply and the charger will only charge when the alternator is running This is not suitable for the LFP1225 LV or LFP1240 LV 1 1 2 Solar Input The LFP1225 LFP1240 is also capable of charging the auxiliary 12V battery from a Solar source The unit will accept an input directly from an unregulated 12V nominal solar pane...

Page 8: ...y to be charged This point may be on the chassis of the vehicle on the chassis of the trailer camper caravan or directly wired to both batteries depending on your installation requirements 2 6 GREEN wire Optional External LED Indication The GREEN wire is provided to optionally connect an external indicator LED which can be mounted away from the unit for example on the vehicle s dashboard Connect t...

Page 9: ...d cause a short circuit or worst case a fire We recommend that this activity be undertaken by an appropriately trained person REDARC recommends using a soldered butt splice crimp connection that is covered with heatshrink See Figure 2 1 REDARC does not recommend using standard red blue yellow blade connections as they are not rated for either the current required or gauge of wire supplied on the u...

Page 10: ...ange Black Brown Green 12V Fuse All ground points must be connected to chassis earth Auxiliary Battery Start Battery Fuse Note Power wires must be at least 6mm and must be crimped using an appropriate crimp tool INPUT Not Used Leave Disconnected to vehicle ignition Fuse Ratings as per table on Page 2 Loads Load Fuse Low Voltage Disconnect Red Blue Orange Black Brown LFP1225 LV LFP1240 LV Green Fig...

Page 11: ...nect Red Blue Orange Black Brown Green ALL MODELS Figure 2 8c Standard setup for a 12V Solar array 24V Fuse All ground points must be connected to chassis earth Auxiliary Battery Fuse Note Power wires must be at least 6mm and must be crimped using an appropriate crimp tool INPUT Not Used Leave Disconnected Fuse Ratings as per table on Page 2 LFP1225 LFP1240 Loads Load Fuse Low Voltage Disconnect R...

Page 12: ...ation visit www redarc com au Alternatively a suitably rated changeover type relay may be used Figure 2 10 Using a changeover relay for 12V Start Battery 12V Solar array inputs Loads Load Fuse Low Voltage Disconnect All ground points must be connected to chassis earth Not Used Leave Disconnected 12V Fuse Start Battery 12V Solar Panel Array 12V Changeover Relay 60A to vehicle ignition Note Power wi...

Page 13: ...ing fuses batteries and charging system or contact REDARC Electronics for more information Check the input If the problem is still evident contact a qualified Auto Electrician or REDARC Electronics Remove all loads from the auxiliary battery and charge it overnight using a multi stage charger and then recheck the battery If the battery voltage is still low replace battery Yes No Yes Yes Yes Yes Ye...

Page 14: ...the Auxiliary or House battery If the Auxiliary battery is located under the bonnet pick a location for the LFP1225 LV LFP1240 LV that is close to the battery and away from any direct engine heat If the LFP1225 LV LFP1240 LV is to be mounted into a Caravan or Camper near or in the battery compartment is generally the best position It is also a good idea to mount the LFP1225 LV LFP1240 LV to a meta...

Page 15: ...e control of Redarc 7 Warranty claims in respect of a Product must be made in writing to Redarc at the postal address or email address specified in clause 21 within the Warranty Period Such claims must include the following 7 1 details of the alleged defect or fault and the circumstances surrounding the defect or fault 7 2 evidence of the claim including photographs of the Product where the subjec...

Page 16: ...sistance please contact REDARC Electronics 23 Brodie Road North Lonsdale SA 08 8322 4848 power redarc com au www redarc com au Copyright 2015 REDARC Electronics Pty Ltd All rights reserved www redarc com au WARLFP REV2 ...

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