Drain Piping - Gree GMV-ND22C/A-T Manual De Usuario

Multi Variable Air Conditioners Floor and Wall Mounted Type Indoor Unit
（1）Bore a feed-through hole of 65mm in the wall so it has a down slope toward the outside.
（2）Insert a wall pipe into the hole.
（3）Insert a wall cover into wall pipe.
（4）After completing refrigerant piping, wiring, and drain piping, caulk pipe hole gap with
putty.

2.3 Drain Piping

（1）Use commercial regid polyvinyl chloride pipe general VP 20 pipe, outer diameter 26mm,
inner diameter 20mm for the drain pipe.
（2）The drain hose (outer diameter 18mm at connecting end, 220mm long)is supplied with
the indoor unit. Prepare the drain pipe picture below position.
（3）The drain pipe should be inclined downward so that water will flow smoothly without any
(Should not be trap.)
（4）Insert the drain hose to this depth so it won't be pulled out of the drain pipe.
（5）Insulate the indoor drain pipe with 10mm or more of insulation material to prevent
condensation.
（6）Remove the air filters and pour some water into the drain pan to check the water flows
smoothly.
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