LG ATNH126ELFB Service Manual page 64

Ceiling Concealed Duct
• Select and mark the position for fixing bolts.
• Drill the hole for set anchor on the face of ceiling.
CAUTION
Tighten the nut and bolt to prevent unit falling.
9.3 Connecting Cables
Connect the wires to the terminals on the control board individually according to the outdoor unit connection.
• Ensure that the color of the wires of outdoor unit and the terminal No. are the same as those of indoor unit respectively
Terminal Block in Indoor
1(L) 2(N)
Connected to outdoor unit
WARNING
Make sure that the screws of the terminal are free from looseness.
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 strongly. For the heat pump model, put the
0.75mm cable(thinner cable) on the clamp and tighten it with a plastic clamp to the other boss of the control
2
panel.
4) In Australia, the length of power supply cord measured from the entry of the power supply cord to the middle of
live pin on the power plug should be over 1.8m.
68 Universal System Air Conditioner
3 4
• Insert the set anchor and washer onto the suspen-
sion bolts for locking the suspension bolts on the
ceiling.
• 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.
Old building
1 Set anchor
2 Plate washer
3 Spring washer
4 Nut
5 Suspension
bolts
New building