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DOC-113C

USER GUIDE – REF. PSEN-41

POWER SUPPLY/CHARGER – 24V DC 4+1 AMP UNIT

General

This power supply unit is for powering a 24V DC 4amp load and provides a 1amp charge for use with Sealed Lead Acid Batteries.

The unit should be fitted in an upright position on a solid surface using the fixing holes provided. The supplied cable ties can be used to

help route the supply cables away from the heatsink.

Supply

Supply to the unit should be 230V ac + 10% -15% 50/60Hz with earth fed to the unit via a 3amp fused outlet fitted adjacent to the unit. The

mains supply in the enclosure should be wired into the fused terminal block next to the PCB. The unit should be earthed.

PCB CONNECTIONS

Lid Indicators

Green = Supply Healthy Amber = Fault

When only the Green light is illuminated, the unit is operating normally with supply to the load and the batteries are receiving charge

current. When the Amber light is illuminated at the same time as the Green light there is a fault on of the output supply or the charge

supply. If the Green light is NOT illuminated, the mains supply is not present or the an input fuse has blown.

PCB Fuses

FS1. Battery = 4Amp quick blow FS.2. = 4Amp quick blow FS3 = 4Amp Quick Blow FS4 = 5Amp Quick Blow

PCB Indicators

LED2 (Green) = Power to Output.

LED3 (Yellow) = Battery Fuse FS1 Blown.

LED4 (Green) = Power to Charge Circuit.

LED5 (Yellow) = Output Fuse FS2 Blown

LED7(Yellow) = Output Fuse FS3 Blown

Battery Connections

The typical battery types to be used are Yuasa NP range up to 12Ah. Two of these in equal state of charge are required to make up 24V.

The supplied leads should be used.

Battery Cut-Out

During A.C. failure the system will switch to battery standby, the output voltage level will follow that of the batteries down to

approximately 21V. At this point the cut-out circuit for lead-acid battery protection will disconnect power altogether. Should A.C. not be

available when testing with healthy batteries, a temporary short on H2 will activate the battery cut-in to power the load. (if there is

sufficient charge in the batteries)

Fault Relay

The fault relay output will go from normal to fault state when A.C. power is removed or when there's a fault in the unit or the circuit

system.

Technical Data

Input Voltage 195 – 253v DC

Output Voltage 24v DC +/- 5% @ 3A maximum

Floating Charge Voltage 27.3V @ 1A maximum (20ºC Ambient)

Load Voltage Regulation 5% Maximum

Environmental -10ºC to 55ºC at 95% Relative Humidity

Dimensions 400mmH x 400mmW x 110mmD

Weight 7.6kgs

J2 J5

FAULT RELAY

BATTERY

OUTPUT 1

OUTPUT 2

USER GUIDE – REF. PSEN-41 1

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Page 1 - USER GUIDE – REF. PSEN-41

DOC-113C USER GUIDE – REF. PSEN-41 POWER SUPPLY/CHARGER – 24V DC 4+1 AMP UNIT General This power supply unit is for powering a 24V DC 4amp l

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Custom-electronics PSEN Range Manuel d'utilisateur

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