LG MULTI V ARNU05GL4G4, Installation Manual

Page: 11 / 331

Installation Manual 11
Installation
• Select and mark the position for fixing bolts.
• Drill the hole for set anchor on the face of ceil-
ing.
• Insert the set anchor and washer onto the sus-
pension bolts for locking the suspension bolts
on the ceiling.
• Mount the suspension bolts to the set anchor firml y .
• Secure the installation plates onto the suspen-
sion bolts (adjust level roughly) using nuts,
washers and spring washers.
1 Set anchor
Old building New building
2 Plate washer
3 Spring washer
4 Nut
5 Suspension
bolts
Connect the wires to the terminals on the control board individually according to the outdoor unit connec-
tion.
• Ensure that the color of the wires of outdoor unit and the terminal No. are the same as those of indoor
unit respectivel y .
Clamping of cables
1) Arrange 2 power cables on the control panel.
2) First, fasten the steel clamp with a screw to the inner boss of control panel.
3) For the cooling model, fix the other side of the clamp with a screw strongl y . For the heat pump
model, put the 0.75mm
2
cable(thinner cable) on the clamp and tighten it with a plastic clamp to
the other boss of the control panel.
Wiring Connection
Indoor Unit Installation
CAUTION : Tighten the nut and bolt
to prevent unit falling.
W ARNING : Make sure that the screws of the terminal are free from looseness.
CAUTION : The Power cord connected to the unit should be selected according
to the following specifications.
Terminal Block Indoor Terminal Block Indoor
INDOOR POWER INPUT
Outdoor unit
Indoor unit
Central controller
Outdoor unit Indoor unit
12V