Emerson U /400/S/12P, U/300/S/12P, 400KVA Bolt 2 pcs, Transportation restraint Bolt Phase-shifting

68 Appendix 1 Transportation Restraints Removing Procedures

3. Remove the two transportation restrains in the front of the output transformer, as shown in Figure 9.

Bolt (2 pcs) Transportation restraint

A amplified view

A Transportation restraints

Figure 9 Removing the two transportation restraints in the front

4.Reinstall the installation hole covers and the lower switch baffle plate with the screws removed in step 1. You might as well install the lower switch baffle plate after UPS commissioning.

5.Reinstall the back panel of the main cabinet with the screws removed in step 2. You can also carry out this step after UPS commissioning.

Transformer transportation restraints removing procedures for UPS with 12-pulse rectifier

The removing procedures of the output transformer transportation restraints of 400kVA UPS with 12-pulse rectifier are the same as those of 400kVA 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 10. Retain the screws.

2.Remove the two transportation restraints in the front of the phase-shifting transformer, as shown in Figure 10.

A

Transportation restraint

Bolt

Phase-shifting	A amplified view
transformer

Remove the tw o bolts fixing the transportation restraint

Figure 10 Removing the two transportation restraints in the front

HIPULSE U UPS Single Module And “1+N” (Expandable) 160/200/300/400kVA User Manual