50
two seconds to manually turn on the inverter mode.
6.1.3 STS & Control Module Service Procedures
The static transfer switch module is NOT hot pluggable.
Confirm the UPS is in normal mode and bypass function is available.
1. Press menu
control
Turn To Bypass
YES on the operator control and display panel for
manually turn off the inverters, and the UPS transfers to bypass mode.
2. Turn on main switch and off maintenance bypass switch.
3. Two minutes later, remove the fixing screws on both sides of the front panel of the module and
pull the module out from the cabinet.
Note:
The module will be blocked by a metal safe locker on the left side of the module when the
module is pulled out of the cabinet halfway. At this point, you must press the metal safe locker
before you continue to pulling the module out. Please refer to below illustration.
4. After servicing the module, push the module into the cabinet and tighten the screws on both
sides.
5. Turn on maintenance bypass switch and off main switch.
6. Wait for two seconds. Press menu
control
system turn on
YES on the operator control
and display panel for two seconds to manually turn on the inverter mode.
6.1.4 Battery Module replacement Procedures
1. Disconnect each input connector of the battery module.
2. Remove the fixing screws on both sides of the front panel of the module, and pull out the
battery module.
3. Push the new battery module into cabinet and fixing screws on both sides of the front panel.
4. Re-connect each input connector of the battery module.
