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1 I N S TA L L AT I O N
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1 .4 Connections
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1 .4 .1
1.4.1-1: Fuse replacement
The UPS AC input terminal has a replaceable cartridge fuse. A backup fuse is included in the appliance
inlet. This can be damaged by an internal UPS fault or an external load absorbing excessive current.
NOTE
DANGER
Step 1: Shut down the UPS and disconnect any input and output power cord.
Step 2: Remove the fuse cover on the rear panel.
Step 3: Replace the original fuse "1" with the backup fuse "2" provided.
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1.4.1-1
Step 4: Replace the fuse cover on the rear panel.
Input plug
IF THE FUSE APPEARS TO BE DAMAGED, PLEASE FOLLOW THE PROCEDURES BELOW TO REPLACE IT .
RISK OF FIRE: REPLACE ONLY WITH THE SAME TYPE OF FUSE .
THE CIRCUIT MAY HAVE A DEFECT CAUSING THE TRIPPING OF THE FUSE: REPLACEMENT MUST BE
CARRIED OUT WITH THE UPS COMPLETELY SWITCHED OFF . DO NOT ATTEMPT TO REPAIR THE UPS .
RISK OF ELECTRIC SHOCK: DO NOT ATTEMPT TO REPLACE THE FUSE UNLESS THE UPS IS COMPLETELY
SWITCHED OFF .
RISK OF ELECTRIC SHOCK: A BASIC UNDERSTANDING OF RISKS RELATED TO ELECTRICAL WORK IS
RECOMMENDED .
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