Emerson U/300/S/12P Power Supply User Manual


 
66 Appendix 1 Transportation Restraints Removing Procedures
HIPULSE U UPS Single Module And “1+N” (Expandable) 160/200/300/400kVA User Manual
2. There is a transportation restraint respectively on the right side and left side at the bottom of the output transformer.
Remove the two M10 bolts of each transportation restraint, as shown in Figure 4.
3. Reinstall the back panel of the cabinet with the screws removed in step 1. This step can also be done after UPS
commissioning.
Transformer transportation restraints removing procedures for UPS with 12-pulse rectifier
The removing procedures of the output transformer transportation restraints of 300kVA UPS with 12-pulse rectifier are
the same as those of 300kVA UPS with 6-pulse rectifier. The removing procedures of the transportation restraints of
the phase-shifting transformer are as follows:
1. Open the front door and remove the back panel of the side cabinet to reveal the phase-shifting transformer, as
shown in Figure 5. Retain the screws.
打前板开门 打后板开门
移相 变压
移相 变压Phase-shifting
transformer
Phase-shifting
transformer
Open the front door Open the back door
Remove the back panel
Figure 5 Opening the front door and removing the back panel
2. There are two transportation restraints respectively in the front and at the back, totally four, at the bottom of the
phase-shifting transformer. Remove the two M10 bots at both sides and one M12 bolt in the middle of each
transportation restraint, as shown in Figure 6. Remove the four transportation restraints, and then reinstall the four
M12 bolts in their original positions.
移相 变压
A 放大处图
固定件
M12螺栓
M10螺栓
A
Phase-shifting
transformer
A
A amplified view
M10 bolt
M12 bolt
Transportation
restraint
Figure 6 Removing the phase-shifting transformer transportation restraints
3. Reinstall the front and back doors of the side cabinet with the screws removed in step 1. This step can also be
done after UPS commissioning.