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Stratos HSSD-2 • INSTALLER’S HANDBOOK • Iss. 12
The Stratos-HSSD 2 Command Module can be fitted with 2 x 12V, 7 Ah backup batteries
to give up to 24 hours’ operation in the event of mains power failure. The integral
battery charger can recharge the batteries to a minimum of 80% capacity within 24
hours of mains reconnection to comply with BS5839 and EN 54 part 4.
These fit under the covers immediately beneath the power supply, which are secured
with four screws each. The batteries are fitted with the supply terminals to the left hand
side as viewed from above, with the cut-out on the cover on the same side
To avoid current surge it is recommended that the batteries are fitted with the unit
powered up.
Batteries are fitted as follows:
■
Remove the battery covers.
■
The positive terminal on the battery nearest the power supply is connected to the red
wire from the power supply “BAT +” terminal (see section 5.4.3, “Command Module
internal power supply”).
■
The negative terminal on the first battery is connected to the positive terminal on the
second battery with the yellow battery interconnect wire supplied with the unit.
■
The negative terminal on the second battery is connected to the black wire from the
power supply “BAT –” terminal.
■
Replace the battery covers after fitting the batteries.
5.4.4 Backup batteries
Red wire (BAT +)
Black wire (BAT –)Yellow interconnect wire
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