5-41
5
Installation and Wiring
4
Turn the power module’s switch to the upper position ( ).
(Figure 5-48: Turn the Power Module’s Switch to the Upper Position)
5.8.2 Power Module Removal
NOTE:
1. Only after the UPS is manually set in the manual bypass mode, can the
following power module removal procedures be executed. To let the UPS run in
manual bypass mode, please refer to:
3.1.4 Manual Bypass Mode_ Single Input_ Single Unit
3.1.12 Manual Bypass Mode_ Single Input_ Parallel Units
3.2.4 Manual Bypass Mode_ Dual Input_ Single Unit
3.2.11 Manual Bypass Mode_ Dual Input_ Parallel Units
2. Only qualified service personnel can perform the following power module
removal procedures.
3. Each power module is heavy (> 36kg). At least two people are required for
handling.
4. In online mode, if you turn the power module’s switch to the lower position (
),
the UPS will transfer to run in bypass mode.
1
Turn the power module’s switch to the lower position ( ). After that, the power
module will start discharging. After discharging, the power module’s LED indicator will
EHRႇ
(Figure 5-49: Turn the Power Module’s Switch to the Lower Position)