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1. INTRODUCTION
Enclosure Attachment Screws
These three screws attach the rear enclosure to the mounting bracket.
Internal Fan
This hot swappable fan (Section 5.2) controls the UPS's internal temperature for
optimum performance.
Battery Pack Attachment Screw
This screw secures the battery pack to the shelf.
Inverter Input Connector
This connects the transformer's output to the inverter.
Transformer Line Power Connection
This connects line power to the transformer's input.
Battery Terminals
The batteries are connected in series.
Conduits
These three,
1
/
2
inch conduits connect the UPS to the loads, line power and, if
used, to the external alarm panel.
Conduit or armoured cable is used.
They can be replaced by
3
/
4
inch conduits (which are not provided by Alpha
Technologies) by removing the conduits and the knockouts surrounding each
hole (Section 2.4).
1.3 A Tour of the Alpha P1250 and 1250T
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