Haier HDU-42HT03/H Drain Piping, Installation of indoor unit, Adjusting to the levelness, ~0.2

Installation Manual For Indoor Unit

4. Installation of indoor unit	M10 nut
Fix the indoor unit to the hanger bolts.
If required, it is possible to suspend the unit to the beam, etc.
Directly by use of the bolts without using the hanger bolts.
	Main unit
Note

Hanging bolt M10 washer

M10 spring washer

When the dimensions of main unit and ceiling holes does not match, it can be adjusted with the slot holes of hanging bracket.

Adjusting to the levelness

(a)Adjust the out-of levelness using a level or by the following method.

Make adjustment so that the relation between the lower surface of the unit proper and water level in the hose becomes as given below.

Piping side

Supply water

Water level

0~5 mm	PVC hose
(0~0.2")

Bring the piping side slightly lower.

(b)Unless the adjustment to the levelness is made properly, malfunctioning or failure of the float switch may occur.

5.Drain Piping

(a)Drain piping should always be in a downhill grade (1/50~1/100) and avoid riding across an elevation or making traps.

Good piping		Inproper piping
Suspension	1.5m ~ 2m		Avoid riding across an elevation
bolts
		Air vent	Keep free from traps
			Do not pipe under water
Heat	A downhill grade
insulation	of 1/100 or more

(b)When connecting the drain pipe to unit, pay suffcient attention not to apply excess force to the piping on the unit side. Also, fix the piping at a point as close as possible to the unit.

(c)For drain pipe, use hard PVC general purpose pipe VP-25(I.D.1") which can be purchased locally. When connecting, insert a PVC pipe end securely into the drain socket before tightening securely using the attached drain hose and clamp. Adhesive must not be used connection of the drain socket and drain hose (accessory).

		Stage
		difference		Drain hose
	Drain socket	part
Drain socket					VP 25 joint
	Pipe cover(large)
					(field purchased)
	[for insulation]
Main unit	(accessory)
		Drain hose			VP 25
	Clamp (accessory)				(field purchased)
	(accessory)		Adhesion		Pipe cover
	Pipe cover(small)				[for insulation]
					(field purchased)
	[for insulation]
	(accessory)

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