Haier HPU-24C03/VA(ZXF) [4/6] Installation manual of room air conditioner

4

3-way valve

2-way valve

6.35mm(1/4")

12.7mm(1/2")

HPU-18C03/VA(ZXF)

2-way valve

9.52mm(3/8")

3-way valve

20-25

2.Piping connection of the indoor unit

According to the connecting pipe direction, put away the left, right, back or downside connecting pipe cover of the

indoor unit. According to the pipe connection way, connect the refrigerant pipe with the ripple pipe. Put the slippery

tip of the air-exchange pipe into the air-exchange machine nozzle, and connect the other ripple tip with the other

air-exchange pipe by the connector. (The air-exchange pipe should be as short as possible and avoid the strong

airflow blowing directly.) .Please see the below right picture.

According to the hole location, install the connection pipe and tie up the soft drain pipe, connection cable, fresh air

tube and connection pipe with the polyethylene adhesive tape, and then drill through the prepared hole so as to

connect with the outdoor unit.

Arrangement of connecting pipe, drainage pipe and air-exchange pipe

electric cable

After opening inlet grill, you will see a control box as shown in the below left picture. Remove the cover before working.

air-exchange pipe

Arrangement drain hose

Drain hose shall be placed in under place.

There should be a slope when arrange drain hose. Avoid up and down waves in drain hose.

If humidity is high, drain pipe(especially in room ) must be covered with installation material.

3.Piping connection of the indoor unit