LG LS-B0760CM/B0760HM Service Manual page 33

3. Connecting Pipings and the cable to Outdoor unit
1) Connecting the piping to the
Outdoor unit
1. Align the center of the pipings and sufficiently
tighten the flare nut with fingers.
2. Finally, tighten the flare nut with torque wrench
until the wrench clicks.
• When tightening the flare nut with torque wrench,
ensure the direction for tightening follows the
arrow on the wrench.
Pipe Size
Liquid Side (1/4")
Gas Side (3/8")
Gas Side (1/2")
2) Connecting of the cable
1. Remove the cover control from the unit by
loosening the screw.
2. Check the connection of each wiring of the
outdoor and the indoor unit having the same
number (1(L), 2(L),
label.
Connect the wires to the terminals on the
control board individually as the following.
1) Cooling only type
Terminals on the outdoor unit
Color of Wires
(Recommend)
Terminals on the indoor unit
2) Cooling & Heating type
Terminals on the outdoor unit
Color of Wires
(Recommend)
Color of Wires
Terminals on the indoor unit
3. Secure the cable onto the control board with the
holder (clamper).
4. Refix the cover control to the original position with
the screw.
*The connecting cable for installation of indoor and outdoor
unit must be approved by TÜV standard or equivalent.
Torque
1.8kg m
4.2kg m
5.5kg m
, 3, 4,) on pillar terminal
2(L)
1(L)
BROWN BLUE GREEN/YELLOW
1(L)
2(L)
3 4
1(L) 2(L)
BROWN BLUE BROWN BLUE G/Y G/Y BLACK BLACK RED
RED
G/Y BLACK RED
BROWN BLUE
BROWN BLUE G/Y RED
1(L)
2(L) 3 4
Outdoor unit
Terminal block
(Pillar terminal)
Holder for
connect cable
Cover control
- 33 -
Liquid side piping
(Smaller Dia.)
Gas side piping
(Bigger Dia.)
Torque wrench
Outdoor unit
Over
5mm
Connecting
cable