Redarc DPS1225 Bedienungsanleitung

In-vehicle DC Power Supply

DPS1225, DPS1240,

DPS2410 & DPS2420

THE DPS1225, DPS1240, DPS2410 & DPS2420

The DPS series In-vehicle DC Power Supplies feature technology designed to supply 12V

or 24V (model dependant) electrical loads such as lamps, radios, small motors, computer

and communications equipment, fridges, pumps and TVs from a 12V or 24V automotive

power system.

WARNING & SAFETY INSTRUCTIONS

SAVE THESE INSTRUCTIONS - This manual contains IMPORTANT SAFETY

INSTRUCTIONS for the DPS1225/DPS1240/DPS2410/DPS2420 DC Power

Supplies.

DO NOT OPERATE THE POWER SUPPLY UNLESS YOU HAVE READ AND

UNDERSTOOD THIS MANUAL AND THE POWER SUPPLY IS INSTALLED AS PER

THESE INSTALLATION INSTRUCTIONS.

DO NOT USE THE DPS1225/DPS1240/DPS2410/DPS2420 TO CHARGE BATTERIES.

DOING SO MAY RESULT IN HARM TO THE USER AND/OR DAMAGE TO THE DPS1225/

DPS1240/DPS2410/DPS2420.

1. 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.

2. Do NOT alter or disassemble the Power Supply under any circumstances. All faulty

units must be returned to REDARC for repair. Incorrect handling or reassembly may

result in a risk of electric shock or ﬁre and may void the unit warranty.

3. Check the manufacturers data for your equipment/loads and ensure the maximum

voltage of the DPS1225/DPS1240/DPS2410/DPS2420 does not exceed the

manufacturers recommended maximum operating voltage.

4. The DPS1225/DPS1240/DPS2410/DPS2420 will achieve best results when proper

load and vehicle maintenance is regularly performed.

SAL.FOR.Instruction Manual.DPS - DOC1090 – Version 2

CONTENTS

TABLE OF CONTENTS PAGE

Warnings and Safety Instructions 01

Contents 02

Speciﬁcations 03

Fusing 03

1. Product Function 04

1.1 Display Panel 04

1.2 Unit Performance Characteristics 05

1.3 Error Codes 06

2. Installation 06

2.1 Red Wire 06

2.2 Blue Wire 07

2.3 Orange Wire 07

2.4 Brown Wire 08

2.5 Black Wire 08

2.6 Green Wire 08

2.7 Earth Isolation 08

2.8 Cable Sizing 09

2.9 Wiring 09

2.10 Connecting in Parallel 11

3. Troubleshooting 12

SPECIFICATIONS

Part Number DPS1225 DPS1240 DPS2410 DPS2420

Input Voltage Range 9-32V

Recommended Input Fuse*1 40A

REDARC FK40

recommended

60A

REDARC FK60

recommended

40A

REDARC FK40

recommended

60A

REDARC FK60

recommended

Nominal Output Current Rating 25A 40A 10A 20A

Surge Current Rating 50A 80A 20A 40A

Recommended Output Fuse*1 40A

REDARC FK40

recommended

60A

REDARC FK60

recommended

40A

REDARC FK40

recommended

40A

REDARC FK40

recommended

No Load Current <100mA <200mA

Standby Current <5mA

Output Voltage (selected with Orange wire)

No Connection 12.0v 24.0v

Earth 13.7v 27.4v

Positive supply 14.5v 29.0v

Line & Load Regulation ±1%

Conversion Efﬁcency >94%

Operating Temperature -50 to +50°C

Weight 680g

Dimensions (mm) 150 x 120 x 37

Standards CE, C-Tick, AS/NZS CISPR1 1:2004

Warranty 2 Years

*1. Please refer to FUSING below.

FUSING

REDARC recommend using MIDI style bolt down fuses as they

ensure a low resistance connection. The REDARC FK40 and FK60

fuse kits are recommended.

Blade type fuses are not recommended as they can result in a

high resistance connection which causes excess heat and may

damage the fuse holder and/or the wiring. Self-resetting circuit

breakers are not recommended as they may trip prematurely and

continue to cycle until failure, due to the heat generated by the

current ﬂowing through the wires.

A single fuse and holder

setup from the Fuse Kits

available from REDARC.

Part number FK40 (40A)

or FK60 (60A).

1 PRODUCT FUNCTION

The DPS1225/DPS1240/DPS2410/DPS2420 is a DC-DC power supply designed to run

electrical loads. The input voltage of the DPS can be above, below or equal to the output

voltage making it ideal for running equipment where speciﬁc load voltages or extreme

voltage drop are an issue.

The DPS is also designed to isolate the main battery from the load when the vehicle is

turned off to avoid ﬂattening the vehicle’s starter battery.

1.1 Display Panel

The front panel features 4 LEDs to display the voltage level and output status.

LED State ‘Voltage Level’ LEDs ‘Output 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 ‘Output Status’ LED will increase to

reﬂect the amount of current being supplied - If the LED is ON solid, the unit is

supplying full power (e.g. 25A for a DPS1225).

Figure 1.1.1 - The DPS Series Front Panels

1 PRODUCT FUNCTION

1.2 Unit Performance Characteristics

The DPS Should be mounted to the vehicle’s chassis to allow adequate heat-

sinking. If the DPS experiences extreme ambient temperatures its output power

may decrease until a steady-state is achieved. Better heat-sinking will enable

greater power output.

The DPS is able to overcome substantial voltage drop by acting as a voltage

booster. Voltage drop (as a result of inadequate input cable size) can cause

excessive heat to be generated in the wiring. To ensure the wiring is protected the

DPS will try to limit the difference between input and output voltage by reducing

the current draw on the input of the unit. To ensure full power output is maintained

suitable cable size (as outlined in section 2.8) should be used.

Time

Output Current rating

DPS Tem

eratur

DPS Temperature

Good Heatsink

Poor Heatsink

Loaded Input Voltage

Output Current rating

9V 12V 24V 32V

DPS1225

DPS1240

DPS2410

DPS2420

1 PRODUCT FUNCTION

1.3 Error Codes

In the event of a fault with the unit, installation, input supply or output loads,

both the External LED and ALL the LEDs on the unit will ﬂash to indicate the

fault type. Flashing sequences are described in the table below.

LED State Description

1 ﬂash (1 ﬂash followed by 3.5 second off) Internal Hardware Fault

2 ﬂash (2 ﬂash followed by 3.5 second off) Not Used

3 ﬂash (3 ﬂash followed by 3.5 second off) Unit over temp fault

4 ﬂash (4 ﬂash followed by 3.5 second off) Output over voltage

5 ﬂash (5 ﬂash followed by 3.5 second off) Not Used

6 ﬂash (6 ﬂash followed by 3.5 second off) Input over voltage

7 ﬂash (7 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 continuous current

ratings as per the speciﬁcations table on page 3.

2 INSTALLATION

The DPS cannot be installed in direct heat environments such as the vehicles

engine bay, the DPS performs at its best when the unit is mounted to the chas-

sis for external heat sinking. The DPS1225/DPS1240/DPS2410/DPS2420 has 6

wires and should be installed as described over the following pages.

2.1 RED wire - Input Source Positive

The RED wire should be connected to the positive

input from the vehicle’s starter battery.

Appropriate size fuses should be used as per the

speciﬁcations table on page 3.

Start

Battery

Red Wire

Fuse

2 INSTALLATION

2.2 BLUE wire - Ignition Control

The BLUE wire should be connected to the vehicle’s

ignition or, if required, a dedicated ON/OFF switch.

When connected in this way, the power supply will

only run the connected loads when the vehicle ignition

is ON, guaranteeing that the power supply will not

drain the start battery.

2.3 ORANGE wire - Output Voltage Select

The ORANGE wire is used to select the output voltage. This is achieved by

connecting in the following way:

For 12.0V output on the DPS1225/DPS1240

24.0V output on the DPS2410/DPS2420

Leave the ORANGE wire disconnected.

For 13.7V output on the DPS1225/DPS1240

27.4V output on the DPS2410/DPS2420,

Connect the ORANGE wire to Common Ground.

For 14.5V output on the DPS1225/DPS1240

29.0V output on the DPS2410/DPS2420

Connect the ORANGE wire to the RED wire (Input

source positive)

Vehicle

Ignition

Blue Wire

Orange Wire

Red Wire

Start

Battery

Fuse

Not

Connected

Orange Wire

2 INSTALLATION

2.4 BROWN wire - Output load Positive

The BROWN wire should be connected to the output

load’s positive terminal. This should be a maximum of

1 metre in cable length from the DPS. Appropriate size

fuses should be used as per the speciﬁcations table

on page 2.

2.5 BLACK wire - Common Ground

The BLACK wire should be connected to a ground

point that is common to both the Start battery and the

Load. This point may be on the chassis of the vehicle

or on the chassis of the trailer 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 the positive lead of the LED to the green

wire, and the negative lead to the common ground.

No external resistors are required. “12V” LEDs and

ﬁlament globes are not suitable.

This LED will illuminate constantly when the DPS is

supplying power, it will ﬂash a fault code if the DPS

has detected an error.

2.7 Earth Isolation

If the DPS is installed on a vehicle ﬁtted with an earth isolation switch, the BLACK

wire must run to chassis earth/ground and NOT the supply battery’s negative

post. This ensures that the DPS is also disconnected when the isolation switch

is activated.

Green Wire

Optional

LED

Brown Wire

Fuse

to Loads

Black Wire

2 INSTALLATION

2.8 Cable sizing

Below is a table outlining the required cable size for a given cable install length.

Always choose a wire diameter equal to or greater than what is speciﬁed below.

Part Number Cable Install Length

(m)

Recommended Wire Size

(mm²)

Closest (BAE, B&S, AWG)

DPS1225/

DPS2410

1 - 5 7.71 8

5 - 9 13.56 6

DPS1240/

DPS2420

1 - 5 13.56 6

5 - 9 20.28 4

2.9 Wiring

The heavy gauge wires on the DPS1225, DPS1240, DPS2410 and DPS2420

unit carry peak currents of up to 40Amps and it is important to make a good,

low resistance, electrical connection that will not degrade over time. Failure to

make a good, reliable contact may result in breakdown of the wire insulation and

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 2.9.1. 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 unit.

Crimping provides good mechanical connection, soldering provides a long

lasting electrical connection and forming of the heatshrink will reduce the risk of

shorting/contact with your vehicle chassis.

Figure 2.9.1 - Ensuring a good wiring connection

Crimp here.

Crimp both wires to the butt splice using

indent type crimpers.

Solder Both Ends Here.

Solder the wires to the butt splice.

Ensure that a good connection is

made. Keep heatshrink away until after

soldering is complete and has cooled.

Andere Handbücher für DPS1225

Dieses Handbuch passt für folgende Modelle

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Andere Redarc Stromversorgung Handbücher

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