Maintenance Operations - Eaton 9315 Installation And Operation Manual

OPERATION
Table 4‐1. Controls and Indicators
Item Name
1 SYNCHRONIZED TO OWN BYPASS
2 SYNCHRONIZED TO MASTER
SOURCE
3 ON BYPASS
4 LOAD SYNC ENABLE
LIT WHEN ENABLED
DEPRESS TO ENABLE-DISABLE
5 LAMP TEST
4.4

Maintenance Operations

4-4
Eaton 9315/9390/9395 Fixed Master Sync Control Installation and Operation Manual
When illuminated, indicates that the non-master system is synchronized to its own bypass.
When illuminated, indicates the non-master system is in the non-master system mode and is
synchronized to the master load bus.
When illuminated, indicates the non-master system is on bypass. The SYNCHRONIZED TO OWN
BYPASS light should also be illuminated.
Enables or disables the automatic fixed master sync control unit. Switch is illuminated when
load sync action is enabled.
Pressing the pushbutton illuminates all indicators on the Eaton Fixed Master Sync Control unit
for visual testing.
Maintenance should be scheduled on a periodic basis, recommended not to exceed
one year. More frequent intervals are recommended if the equipment is subjected to
highly repetitive operations.
This UPS contains LETHAL VOLTAGES. All repairs and service should be performed by AUTHORIZED
SERVICE PERSONNEL ONLY. There are NO USER SERVICEABLE PARTS inside the UPS.
Periodic inspections of the Eaton Fixed Master Sync Control should be made to
determine if components, wiring, and connections exhibit evidence of overheating or
damage.
Refer to the maintenance chapter in the applicable Eaton 9390 UPS or Power Xpert 9395 UPS Installation and
Operation Manual listed in paragraph 1.3 on page 1-4 before beginning maintenance or repairs.
Function and Description
D A N G E R
C A U T I O N
S
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