1.
In the home screen, press
Controls
.
2.
Select
EAA Controls
.
3.
Select
Disable ESS
.
The UPS system transfers to the battery mode and then to the double
conversion mode. If the power module is not available, the system remains in
the bypass mode and an alarm sounds. The green status indicator for normal
operation is illuminated. The UPS status is shown as
UNIT ONLINE
. The
UPM status is shown as
ACTIVE
.
7.4.7
Transferring from the double conversion mode to the Variable
Module Management System mode
NOTE: Note that the Variable Module Management System mode commands
are displayed only if enabled at the factory or by an authorized Eaton Customer
Service Engineer .
To transfer the critical load to the Variable Module Management System mode:
1.
In the home screen, press
Controls
.
2.
Select
EAA Controls
.
3.
Select
Enable VMMS
.
The entire UPS system transfers to the Variable Module Management
System mode and the critical load is supplied by the bypass source. If the
bypass source is not available or the conditions are not correct for the VMMS
mode, the power module remains on and an alarm sounds. The green status
indicator for normal operation is lit. The UPS status is shown as
UNIT
ONLINE, VMMS
. The UPM status is shown as
READY
.
7.4.8
Transferring from the Variable Module Management System
mode to the double conversion mode
NOTE: Note that the Variable Module Management System mode commands
are displayed only if enabled at the factory or by an authorized Eaton Customer
Service Engineer.
To transfer the critical load to the double conversion mode:
1.
In the home screen, press
Controls
.
2.
Select
EAA Controls
.
3.
Select
Disable VMMS
.
The UPS system transfers to the battery mode and then to the double
conversion mode. If the power module is not available, the system remains in
the bypass mode and an alarm sounds. The green status indicator for normal
operation is lit. The UPS status is shown as
UNIT ONLINE
. The UPM status
is shown as
ACTIVE
.
© Eaton Corporation plc 2020. All rights reserved.
Revision: 006
Document ID: P-164000493
98 (126)
Eaton 91PS/93PS UPS 8–40 kW
User’s and Installation Guide
