Emerson 7400 - Manual (Page 33)

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Series 7400 Single Phase 1+N UPS
Note: If ‘side’ cable entry is to be used ensure that the blanking plates are
removed before finally fixing the cabinet position.
5. All UPS models have a stabilising bar fitted to the output
transformer T1 and input choke L1 during shipment. This
should be removed when the UPS has been placed in its final
position. Also PCB door is fixed with z-type clamps which
should be removed.
CAUTION
Ensure the stabilising bar fitted to the output transformer
T1 is removed before proceeding with the installation.
Ensure removal of z-type clamps used for fixing PCB door.