
36
Step 5 Install 4 expansion bolts M12 into the installation holes. The structure and installation of the expansion
bolt is as shown in Figure 4-11.
The expansion tube shouldn’t be higher than the ground, so as to avoid affecting
the installation.
CAUTION
Note:
The exposed height of expansion bolt must be within 50 mm.
The b, - and neutral wire terminal of 40 kVA (/B) UPS, are all at the back
of the UPS, before wiring, dismantle the rear bottom wiring cover plate.
CAUTION
Step 6 Move the UPS from the wooden bracket to the ground and align the bottom installation hole with the
expansion bolt and screw the bolts.
Step 7 Reinstall the bottom cover plates.
4.4.2 Wiring
Step 1 Open the front door of the UPS, remove the bottom wiring cover plate, as shown in Figure 4-12.
Figure 4-11. Structure and installation of the expansion bolts
Figure 4-12. Remove bottom wiring cover plate
Note:
The bottom wiring cover plate position of the UPS is the same.
1. Drill holes on the installation ground by hammer drill.
2. Tighten the expansion bolt mildly, and put it to the hole vertically,
and then knock the expansion bolt by rubber hammer till all the
expansion tubes fit into the holes.
3. Pre-tighten the expansion bolt.
4. Screw out the bolt, take down the spring gasket and flat gasket.
Bolt
Nut
Spring gasket
Flat gasket
Expansion tube