Indoor Unit Installation; Wiring Connection - LG MULTI V B3 Series Installation Manual

Indoor Unit Installation

• Select and mark the position for fixing bolts.
• Drill the hole for set anchor on the face of ceil-
ing.
CAUTION : Tighten the nut and bolt to
prevent unit falling.

Wiring Connection

Connect the wires to the terminals on the control board individually according to the outdoor unit con-
nection.
• Ensure that the color of the wires of outdoor unit and the terminal No. are the same as those of indoor
unit respectively.
B3/B4 Series
Terminal Block Indoor
1(L) 2(N)
INDOOR POWER INPUT
WARNING : 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.
Outdoor unit Indoor unit
3 4 SODU SODU IDU IDU
• 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
firmly.
• Secure the installation plates onto the suspen-
sion bolts (adjust level roughly) using nuts,
washers and spring washers.
Old building
1 Set anchor
Plate washer
2
Spring washer
3
4 Nut
Suspension
5
bolts
Central controller
INTERNET DRY1 DRY2 GND
Installation
New building
Outdoor unit
12V
Installation Manual 9