Transfer From Standard Normal Mode To He Normal Mode; Transfer From Normal Mode To Maintenance Bypass; Transfer From Maintenance Bypass To Normal Mode; Single Ups Shutdown - Eaton 9E Installation And Operation Manual
40–60 kva (208/220v) ups
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Also See for 9E:
- Installation and operation manual (114 pages) ,
- Manual (41 pages) ,
- Advanced user's manual (30 pages)
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UPS Operating Instructions
6.4.6
Transfer from Standard Normal Mode to HE Normal mode
To transfer the load to HE Normal mode:
1.
Select the CONTROLS symbol on the main menu bar. The System Control screen is displayed.
2.
If not already selected, select UPS on the System Control screen.
3.
On the UPS System Control screen, select the HE: DISABLE
RETURN pushbutton.
All of the UPSs transfer to HE Normal mode if no abnormal power conditions are detected. If abnormal
power conditions are detected, the UPSs will wait and transfer to HE mode when conditions are cleared.
The NORMAL status indicator is illuminated.
6.4.7
Transfer from Normal Mode to Maintenance Bypass
To transfer the load to maintenance bypass:
1.
Transfer the load to bypass mode by performing the procedure in paragraph 6.4.3.
All of the UPSs transfer to bypass.
2.
Close the maintenance bypass breaker.
3.
Slide the interlock cover to the left (see Figure 6-8).
4.
Open the UPS output breaker.
The UPS is now bypassed, with the load powered directly by utility power.
5.
Open the UPS input circuit breaker.
Power is present inside the UPS cabinet.
6.4.8
Transfer from Maintenance Bypass to Normal Mode
To transfer the load to Normal mode:
1.
Close the UPS input circuit breaker.
2.
Restart the UPS in bypass mode by performing the procedure in paragraph 6.4.2.
3.
Verify that the UPS is in bypass mode.
4.
Close the UPS output breaker.
5.
Slide the interlock cover to the right (see Figure 6-8).
6.
Open the maintenance bypass breaker.
7 .
Transfer the load to normal by performing the procedure in paragraph or 6.3.4.
6.4.9
Single UPS Shutdown
To shut down a single UPS:
1.
Open the MOB for the UPS being shut down.
2.
Select the CONTROLS symbol on the main menu bar. The System Control screen is displayed.
3.
If not already selected, select UPS on the System Control screen.
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Eaton 9E UPS (40–60 kVA, 208/220V) Installation and Operation Manual P-164000058—Rev 4
ENABLE command, then press the
WARNING
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