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Chapter 7 Maintenance Bypass Panel Operations
Chapter 7 Maintenance Bypass Panel Operations
Single Phase MPB
UPS start-up with HotSwap MBP
Note: Verify that the total equipment ratings do not exceed the UPS capacity to prevent an overload
alarm.
1. Check that the UPS is correctly connected to the HotSwap MBP (see previous chapter 4).
Attention!
If the UPS if equipped with outlets, those outlets can no longer be used
(loads can only be connected to the MBP outlets or the MBP Output terminal
blocks).
2. Verify that the MBP terminal blocks are connected to the AC source.
3. Check that the MBP manual Bypass switch is to the "
4. Set the upstream circuit breaker (not provided) to the "I" position (On) to switch On the utility
power.
5. Verify that the "Bypass mode" red light of the MBP turns on, indicating that the load is now
powered by the AC source.
6. Set the Normal AC source switch of the MBP to the " " position.
7. Verify that the UPS is correctly powered (UPS display panel illuminates).
8. Press the UPS "
9. Put the UPS in "internal Bypass mode" - on the LCD panel select
10. Verify that the UPS is in Bypass mode by checking
11. Verify that the "
power is available on the MBP.
Important! Do not continue with the next step if the "
still off (the load will be lost).
12. Set the MBP manual Bypass switch to the "
6U Rack or Tower UPS RT8kVA and RT11kVA IUOMG
" button to start the UPS.
" green light of the MBP turns on, indicating that the UPS output
" position.
UPS display panel ( see item 3)
" position: the "
Control - Go to
Bypass.
.
" green light of the MBP is
" red light of the
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