Xtreme Power Conversion Corporation
M90U-80 & 140 User’s Manual
Page 34
Uninterruptible Power Supply
Step 4:
Before UPS enters into shutdown mode, please press “Power On/Off” button for 2 seconds immediately as
shown in the diagram below.
Step 5:
Then, UPS will enter Battery Mode as shown in the diagram below.
Step 6:
Switch ON the output breaker (Q3). Cold start startup procedure is complete.
3.3.3 Maintenance Bypass Operation
Follow the instruction to transfer to Maintenance Bypass and UPS protection as below.
3.3.3.1 Transfer to maintenance bypass
Step 1:
Remove the mechanical lock plate of Maintenance Bypass Breaker.
Step 2:
Make sure the UPS operates in Bypass mode as shown below.