Operator`s manual

Section 5

Maintenance

This section describes how to maintain

the Alpha CFR 3000 and 3000RM UPS’s:

• How to measure the battery back up time (Sec-

tion 5.1).

• How to troubleshoot the unit (Section 5.2).

• How to return the unit to Alpha for repair (Section

5.3).

• How to replace the CFR 3000 tower mount’s inter-

nal batteries (Section 5.4).

• How to change the unit’s input and output volt-

ages (Section 5.5).

• Specifications (Section 5.6).