Man-1152_K25800_series_Power_Supply_Manual_05 Page 9 of 18
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This denotes variants tested & approved by the LPCB
4.4 Fault output contact connections
A volt free contact rated at 30V DC and 1 Amp (GEN FLT) is available for connection to other systems.
This contact will operate upon any of the fault conditions listed in section 4 as well as total power failure.
The contact positions on the common fault relay terminals shown are with mains and battery connected
and with no fault conditions on the power supply.
KD25800 models
K25800 models
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4.5 Battery Connections
Batteries of even very small capacity are capable of delivering very high currents which can cause fire or injury.
Battery connections must therefore be made using extreme caution.
As supplied, power supplies have battery leads already wired to the battery terminals on the circuit board. These leads
are coloured red for + and black for – and are fitted with standard ¼ inch push on, spade connectors suitable for
batteries of up to 12Ah capacity.
Larger capacity batteries have screw on terminals and the standard battery leads will need to be replaced with the
ones supplied in the accessory pack. Take care that the red and black wires are connected to the correct terminals
when replacing battery leads, a wrong connection can be dangerous and can cause damage.
As this is a 24-Volt system, there will be two 12 volt batteries which need to be connected in series. This is done using
the jumper link provided.
To optimise the service life of the batteries, the battery charger output voltage varies with temperature. To enable
optimum temperature compensation, the flying lead temperature sensor should be attached to one of the batteries as
shown in the diagram in section 11 of this manual.
