LG ARVU053ZEA2 Engineering Manual page 28

INSTALLATION AND LAYOUT BEST PRACTICES
Installing Fixing Bolts
• Select and mark the position for the fixing bolts.
• Drill a hole on the face of the ceiling for the anchor.
Figure 20:Installing Fixing Bolts.
Selecting the Best Location
Do's
• Place the unit where it will be level and can support the weight of the
unit.
• Install the unit where it can withstand vibration.
• Install the unit where service can be performed easily.
Don'ts
• Avoid installing the unit where inflammable gas is generated, flows,
stored or vented.
• Avoid installing the unit where sulfurous acid gas or corrosive gas is
generated.
• Avoid installing the unit near places near high frequency generators.
Assembling Washer Nut
• Tighten the commercial washer nut (more than 13/16) for the outside
diameter of 3/8" to the commercial ceiling fixing bolt 3/8".
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• Insert the anchor and washer on the suspension bolts to lock them
in the ceiling.
• Firmly mount the suspension bolts to the anchor.
• User nuts, washers and spring washers to secure the installation
plates onto the suspension bolt.
Figure 21:Securing Suspension Rods.
Old building
1 Set anchor
2 Plate washer
3 Spring washer
4 Nut
5 Suspension
bolts
Figure 22:Selecting the Best Location.
Figure 23:Assembling the Washer Nut.
Ceiling Fixing Bolt
(3/8" 1/2")
Nut
Washer, Spring Lock
Washer, Plain
Nut
New building