Drain Piping Work - LG MULTI V PQRCVSL0 Installation Manual
Floor standing, concealed floor standing
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Also See for MULTI V PQRCVSL0:
- Owners & installation manual (38 pages) ,
- Owner's manual (239 pages) ,
- Installation manual (23 pages)
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HEAT INSULATION
1. Use the heat insulation material for the refrigerant
piping which has an excellent heat-resistance
(over 120°C).
2. Precautions in high humidity circumstance:
This air conditioner has been tested according to
the "ISO Conditions with Mist" and confirmed that
there is not any default. However, if it is operated
for a long time in high humid atmosphere (dew
point temperature: more than 23°C), water drops
are liable to fall. In this case, add heat insulation
material according to the following procedure:
• Heat insulation material to be prepared... EPDM
(Ethylene Propylene Diene Methylene)-over
120°C the heat-resistance temperature.
• Add the insulation over 10mm thickness at high
humidity environment.
After inspecting pipe joints for gas leakage, be sure
to insulate wit the accessory joint insulation for fit-
ting while referrig to the figure. (Fasten both ends
with clamps)
Drain piping work
• Drain piping must have downward (1/50 to 1/100): be sure not to provide up-and-down slope to pre-
vent reverse 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 inddor unit is 21mm.
Piping material: Polyvinyl chloride pipe 25mm and pipe fittings
• Be sure to install heat insulation on the drain piping
Heat insulation material: Polyethylene foam with thickness more than 10 mm.
• If converging multiple dranin pipes, install according to the procedure shown below.
Slope downwards at a gradient
of at least 1/100
• After piping work is finished check drainage flows smothly.
• Be sure to insulate all indoor units.
Indoor unit
Insulation for fitting
(accessory)
(For gas piped)
Clamp (6)
(4 accessory)
Installation Manual 11
Installation
Fastening band
(accessory)
Refrigerant piping
Thermal insulator
(accessory)
Insulation for fitting
(accessory)
(For liquid piped)
liquid pipe
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