Drain Piping Work; How To Connect Wirings - LG MULTI V ARNU07GTUA4 Engineering Product Data Book

Indoor unit
10. Installation

10.3 Drain piping work

• Drain piping must have downward slope(1/50 to 1/100): be sure not to provide up-and-down slope to prevent
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 to the indoor 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 drain pipes, install according to the procedure shown below.
Slope downwards at a gradient
of at least 1/100
• After piping work is finished, check for drainage.
• Be sure to insulate all indoor units.

10.4 How to connect wirings

Remove the electric parts Box cover and connect the wiring
Power Supply wiring
ground wiring
Fasten with (Field wiring)
accessory clamp
24 _
Floor Standing
Transmission wiring
(Field wiring)