Transfer From Normal To Bypass Mode; Transfer From Bypass To Normal Mode; Transfer From He Normal Mode To Standard Normal Mode; Transfer From Normal Mode To Maintenance Bypass - Eaton 9E Installation And Operation Manual

6.3.3

Transfer from Normal to Bypass Mode

To transfer the critical load to Bypass mode:
In Bypass mode, the critical load is not protected from commercial power interruptions and
abnormalities.
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 BYPASS command, then press the RETURN pushbutton.
The UPS transfers to Bypass mode.
The BYPASS status indicator is illuminated. The power module remains on.
Power is present inside the UPS cabinet.
6.3.4

Transfer from Bypass to Normal Mode

To transfer the critical load to 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 NORMAL command, then press the RETURN pushbutton.
The UPS transfers to Normal mode. If the power module is not available, the system remains on bypass
and an alarm sounds.
The NORMAL status indicator is illuminated.
6.3.5

Transfer from HE Normal Mode to Standard Normal Mode

To transfer the load to Standard 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 command, then press the RETURN pushbutton.
The UPS transfers to Normal mode.
The NORMAL status indicator is illuminated.
Eaton 9E UPS (20–30 kVA, 208/220V) Installation and Operation Manual 164202124—Rev 2
CAUTION
WARNING
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UPS Operating Instructions
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