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Xtreme Power Conversion Corporation
M90 User’s Manual
Page 71
Uninterruptible Power Supply
7.2 Replacement Procedures Of STS Module
Warning:
Confirm the UPS is operating in Maintenance Bypass Mode.
1. Follow Section “3.3.3.1 Transfer to maintenance bypass” procedure to transfer UPS into Maintenance By
-
pass operation.
2. Remove the fixing screws on both sides of the front panel of the module and pull the module out from the
cabinet.
3. After servicing the module, push the module into the cabinet and tighten the screws on both sides.
4. Follow chapter “3.3.3.2 Transfer to UPS Protection” procedure to transfer UPS into Bypass operation
5. Press menu > control > system turn on > YES to turn UPS on.
7.3 Replacement Procedures Of Battery Module
Warning:
Confirm the types of battery are the same.
1. Remove the fixing screws on both sides of the front panel of the module, and pull out the battery module.
2. Push the new battery module into cabinet and fix it with screws on both sides of the front panel.
7.4 Replacement Procedures Of Air Filter
As shown below, the UPS provides two air filters on the back of the front door. Each filter is fixed by a fixing bar on
both sides.
The replacement procedures of air filter are as follows:
1. Open the front door of the UPS and the air filters are on the back of the door.
2. Remove a fixing bar on either side of the air filter.
3. Remove the air filter, and insert a clean one.
4. Replace the fixing bar.