Haier 1UH071N1ERG [57/238] Smart power

Smart Power

(d) For unit with water pump drain pipe use hard PVC

general purpose pipe VP 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 for connection of the

drain socket and drain hose (accessory).

provide one trap on the main drain pipe near the

indoor unit.

(f) The stiff PVC pipe put indoor side should be heat

insulated.

The height of the drain head can be elevated up

to a point 500 mm above the ceiling, and when

an obstacle exists in the ceiling space, elevate

the piping to avoid the obstacle using an elbow or

corresponding gadget. When doing this, if the stretch

for the needed height is higher than 500 mm, the

back-ow quantity of drain at the event of interruption

of the operation gets too much and it may cause

overow at the drain pan. Therefore, make the height

of the drain pipe within the distance given in the

sketch below.

(g) Avoid positioning the drain piping outlet at a place

where generation of odor may be stimulated. Do not

lead the drain piping direct into a sewer from where

sulfur gas may generate.

(h) Because the drain spout is at the position,

which negative pressure may occur. So with the

rise of water level in the drain pan, water leakage

may occur. In order to prevent water leakage,

we designed a backwater bend. The structure of

backwater bend should be able to be cleaned. As the

below gure shown, use T type joint. The backwater

bend is set near the air conditioner.

As gure shown, set a backwater bend in the middle of

drain hose.

Main drain pipe

Safety drain

There is no need to provide a trap for the safety drain

pipe.If the safety drain pipe is connected to the main

drain pipe,make the connection below the trap on the

main drain pipe.

Make sure that drain pipe is installed without rises.

Do not perform air bleeding.