43
Duct Type Split Air Conditioner
Service Manual
INSTALLATION
1 INDOOR UNIT INSTALLATION
1.1 Before Installation
The preparation of all pipes (connecting pipes and drainage pipes) and cables (connecting lines of
wired controller, indoor unit and outdoor unit) must be ready before the installation, so as to achieve smooth
installation.
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 with the user or a construction company for details.
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 x it.
1.2 Installation Site
Ensure the top hanging piece has strong strength to withstand the weight of the unit.
The drainage pipe has convenient ow of water.
There is no obstacle blocking the air intake and exhaust outlet, so as to ensure sound air circulation.
The installation spaces required by the drawing must be ensured, so as to provide enough space for the
service and maintenance.
The installation site must be far away from heat source, leakage of inammable gas or smoke.
The indoor unit is of ceiling mount (indoor unit is hidden inside the ceiling).
1.3 Dimension Data
C
Air Outlet
Air Return
A
D
B
E
F
Unit: mm
Models A B C D E F
FG20/BNa-M, FGR20/BNa-M 1463 632 992 1150 192 343
FG25/CNa-M, FGR25/CNa-M 1560 910 332 1194 292 342
FG30/BNa-M, FGR30/BNa-M 1560 910 1194 1194 292 342
C
A
D
B
E
F
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