Optional) Replacing A Winding Thermostat - Huawei JUPITER-3000K-H1 Smart User Manual

JUPITER-(3000K, 6000K, 9000K)-H1 Smart
Transformer Station
User Manual

6.8.6 (Optional) Replacing a Winding Thermostat

Context
If a winding thermostat is faulty and cannot be repaired during maintenance,
power it off and replace it.
The winding thermostat (marked by 4 in the figure) is located in the TR room.
Figure 6-33 Transformer
Power-Off
1.
2.
3.
Procedure
Step 1 Use both hands to rotate the outer metal ring of the winding thermostat
counterclockwise, remove the outer metal ring and glass plate, remove the cables
from the winding thermostat, and mark the cable.
Issue 02 (2023-09-30)
(Optional) Shut down the UPS inverter 3UI. Perform this operation when the
UPS has been installed.
Turn off the ACB (1QA) of LV PANEL A or the ACB (2QA) of LV PANEL B.
Turn off the VCB in the MV room.
Copyright © Huawei Technologies Co., Ltd.
6 System Maintenance
165