Filter
Top Products
G9000 Installation and Operation Manual 73
D) MMS Start-up Procedure
External Circuit Check (Ensure System is in Maintenance Bypass)
1. Verify that Tie cabinet Maintenance bypass breaker 52MB is closed.
2. Verify that Tie cabinet Output breaker 52CS is open.
3. Verify that Tie cabinet UPS breakers 52L1, 52L2…and 52Ln are closed.
Start-up from UPS-1 to UPS-n
1. Start-up each UPS in accordance with “A) Start-up Procedure”. Each UPS will start Inverter
Operation synchronized with the bypass input. The Maintenance Bypass Switch is synchronized
with the Static Transfer Switch.
Transfer from Maintenance Bypass to MMS Bypass Operation
1. Close Tie cabinet breaker 52CS.
2. Open Tie cabinet Breaker 52MB.
When "REMOTE OPERATION MODE" is displayed on the LCD panel, the inverter
start operation can only be performed remotely. If local inverter start operation is
required (at the UPS), select "LOCAL ONLY" or “REMOTE & LOCAL” in the
OPERATION MENU.
Transfer from UPS MMS Bypass Operation To UPS MMS Inverter Operation
1. Transfer MMS Bypass Operation to MMS Inverter Operation from Operation Menu on any UPS
LCD as shown in Fig. 3.9.
FIGURE 3.9 LCD Screen (MMS Operation)
!
NOTE