Heat Controller B-MMC09FA-1 Service Manual page 26

Flaring Work and Connection of Piping
For left rear piping
1. Route the indoor tubing and the drain hose to the required
piping hole position.
2. Insert the piping, drain hose, and the connecting cable into
the piping hole.
3. Insert the connecting cable into the indoor unit.
• Don't connect the cable to the indoor unit.
• Make a small loop with the cable for easy connection
later.
4. Tape the drain hose and the connecting cables.
5. Indoor unit installation
• Hang the indoor unit from the hooks at the top of the
installation plate.
• Insert the spacer etc. between the indoor unit and the
installation plate and separate the bottom of the indoor
unit from the wall.
Connecting the piping to the indoor unit and the drain
hose to drain pipe.
1. Align the center of the pipes and sufficiently tighten the
flare nut by hand.
2. Tighten the flare nut with a wrench.
Outside diameter
mm inch
Ø6.35 1/4
Ø9.52 3/8
3. When extending the drain hose at the indoor unit, install
the drain pipe.
Copyright ©2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Torque
kg . m
lbf.in
1.8 156.2
4.2 364.5
- 26 -
Indoor unit
Installation plate
8cm
Indoor unit tubing Flare nut
Open-end wrench (fixed)
Flare nut
Wrench
Indoor unit tubing
Drain hose
Indoor unit drain hose
Vinyl tape
Adhesive
Connecting
cable
Drain pipe
Spacer
Pipes
Connection pipe
(narrow)
LGE Internal Use Only