Haier HPU-18C03/NAF Operation Manual page 8

HPU-18C03/NAF
To this unit, both liquid and gas pipes shall be insulated
as they become Iow temperature in operation.
Use optional parts for piping set or pipes covered with
equivalent insulation material.
Indoor unit
1.Making a Hole on the Wall and Fitting the Piping Hole Cover
2.Piping connection of the indoor unit
Arrangement of piping and drainage pipe
After opening the inlet grill, you will see an electrical box
as shown in the Fig.
Remove the inlet grill before
piping connection.
Cut away, with a hammer or a saw, the lid for piping according to piping direction
According to the piping method, connect the piping on indoor unit with union of connection pipe, arrange the piping according to
the position of the wall hole and bind drain hose, connecting electric cable and piping together with polyethylene tape.
Insert the bound piping, connecting electric cable and drain hose through wall hole to connect with outdoor unit.
780
Floor fixing dimensions
of the outdoor unit
(Unit:mm)
Selection of pipe
HPU-24C03/NAF
HPU-18C03/NAF
For
Liquid pipe ( )
6mm(1/4")
Gas pipe ( )
12mm(1/2")
Indoor side
Wall hole
70mm
(Section of wall hole)
810
Floor fixing dimensions
of the outdoor unit
(Unit:mm)
For
HPU-24C03/NAF
9mm(3/8")
15.88mm(5/8")
Outdoor side
Thickness
of wall
7