LG LMCN125HV Instructions Manual page 33
Flex multi split
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Also See for LMCN125HV:
- Service manual (8 pages) ,
- Installation instructions manual (137 pages) ,
- Installation manual (61 pages)
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[Cealing Concealed Duct/Cealing Cassette Type]
• Drain piping must have down-slope (1/50 to 1/100): be
sure not to provide up-and-down slope to prevent
reversal flow.
• During drain piping connection, be careful not to exert
extra force on the drain port on the indoor unit.
• The outside diameter of the drain connection on the
indoor unit is 32mm(1 1/4 inch).
Piping material: Polyvinyl chloride pipe inner
diometes Ø 25mm(1 inch) and pipe fittings
• Be sure to install heat insulation on the drain piping.
Heat insulation material: Polyethylene foam
with thickness more than 8mm(5/16 inch).
Drain test
The air conditioner uses a drain pump to drain water.
Use the following procedure to test the drain pump operation:
• Connect the main drain pipe to the exterior and
leave it provisionally until the test comes to an
end.
• Feed water to the flexible drain hose and check
the piping for leakage.
• Be sure to check the drain pump for normal
operating and noise when electrical wiring is
complete.
• When the test is complete, connect the flexible
drain hose to the drain port on the indoor unit.
CAUTION : The supplied
flexible drain hose should not
be curved, neither screwed. The
curved or screwed hose may
cause a leakage of water.
❈ The figure can be changed according to model.
Pipe clamp
Indoor unit
Maintenance
drain port
Feed water
Drain Pump
Drain pan
Installation
Upward
routing
not allowed
1/50~1/100
MAX : 700 mm(27 9/16 inch)
Flexible drain hose
(accessory)
Main
drain pipe
Drain
port
Glue the joint
Drain hose connection
Use the clip (accessory)
Flexible drain hose
Flexible drain hose
Flexible drain hose
1/50~1/100
Installation Manual 33
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- Indoor Unit
- How to Fix
- How to Fix
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