PRECAUTIONS
1. The preparation of all pipes (
pipes and drainage pipes) and cables (connecting lines of wire
d
controller, indoor unit and outdoor unit) must be ready before the installation, so as to achieve smooth
installation.
2. Drill an opening on the ceiling. Maybe it is required to support the ceiling to ensure the evenness of it and
avoid the vibration of it. Consult the user or a construction company for details.
3. In case the strength of ceiling is not enough, use angle iron sections to set up a beam support. Place the
unit at the beam and fi x it.
8.5 Level Check of the Indoor Unit
After the indoor unit is installed, it is required to check the level of the whole unit. The unit must be placed
horizontally, but the condensate pipe shall be installed obliquely, so as to facilitate the drainage of condensate.
Level Instrument
Air Supply
B
Air Intake
Condensate Drainpipe
Condensate Drainpipe
Enlarged View
i
As the inside of the unit is in
the negative pressure
status, it is required to set
up a backwater elbow. The
requirements is:
A=B
q
P/10+20(mm)
P is the absolute pressure
inside the unit. The unit of
the pressure is Pa.
Fig.8.8
8.6 Installation of Rectangular Air Pipe
Air Intake
Ceiling Mount
Air Intake
1
2
Air Supply
Air Supply
3
4
5 3
6
7
No. Name
No. Name
1
Hook
5 Filter
2
Air Intake
Pipe
6
Main Air
Supply Pipe
3
Canvas Air
Pipe
7
Air Supply
Outlet
4 Air
Intake
Fig.8.9
English
29
the refrigerant
