LG MULTI V ARNU48GBRZ4 Manual page 31
Indoor unit
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Also See for MULTI V ARNU48GBRZ4:
- Installation manual (27 pages) ,
- Engineering product data book (521 pages)
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MULTI V
Indoor Unit
11. Installation
11.6.2 Drain pipe connection without drain pump
•
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 force on the drain port on the indoor unit.
•
The outside diameter of the drain connection on the indoor unit and drain piping fittings should be referenced
from 'Specifications' of each models.
– Piping material: Use the Polyvinyl chloride pipe.
•
Be sure to install heat insulation on the drain piping.
– Heat insulation material: Polyethylene foam with thickness more than 8 mm (5/16 inch).
Pipe clamp
Indoor unit
Maintenance
drain port
U-trap is not required for low static model in which the
external static pressure is below 50 pa(5mm Aq)
Upward
routing
not allowed
Make sure to be closed.
Thermal insulator
(Local supply)
Unit
Drainage conduit
Fresh Air Intake Unit
Drainage pipe
(Local supply)
31
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