LG LMNH122LRA0 Service Manual page 37

2. Duct Type Indoor Unit
1) Indoor Unit Installation
• Select and mark the position for fixing bolts.
• Drill the hole for set anchor on the face of ceiling.
• Insert the set anchor and washer onto the suspen-
sion bolts for locking the suspension bolts on the ceil-
ing.
• Mount the suspension bolts to the set anchor firmly.
• Secure the installation plates onto the suspension
bolts (adjust level roughly) using nuts, washers and
spring washers.
CAUTION: Tighten the nut and bolt to
prevent unit falling.
Old building
1 Set anchor
2 Plate washer
3 Spring washer
4 Nut
5 Suspension
bolts
• Local supply
Set anchor
Plate washer
Spring washer
Nut
Suspension bolt
Installation
New building
- M10
- M10
- W3/8 or M10
- W3/8 or M10
Service Manual 37