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■
Installation space
Reserve sufficient space required for installation or service work.
250 or more
250 or more
■
Ceiling height
Model
Possible installed ceiling height
GM90
Up to 4.3 m
If height of ceiling exceeds 3.5 m, hot air becomes difficult to reach the floor surface, and then the change of setup
of high ceiling is necessary.
For the change method of high ceiling, refer to the application control, "Installing indoor unit on high ceiling" in this
Manual.
▼Height list of ceiling possible to be installed
Model
GM90
Standard (Factory default)
Up to 3.5 m
High ceiling (1)
Up to 4.3 m
The lighting time of the filter sign (notification of filter cleaning) on the remote controller can be changed according
to installation conditions.
When it is difficult to obtain satisfactory heating due to location place of the indoor unit or the structure of the room,
the detection temperature of heating can be raised.
For change the setup time, refer to the application control, "Filter sign setting" and "To secure better effect of
heating" in this Manual.
■
In case of wireless type
Decide the position which remote controller is operated and the installation place.
And then refer to the Installation Manual of the wireless remote controller kit sold separately.
(The signal of the wireless type remote controller can be received within approx. 8 m. This distance is a criterion
and varies a little according to capacity of the battery)
• To prevent malfunction, select a place where is not affected by a fluorescent lamp or direct sunlight.
• Two wireless-type indoor units can be set in a room.
17-EN
(Unit: mm)
SET DATA
0000
0003
– 9 –
4
Installation
CAUTION
Strictly comply with the following rules to prevent damage of the indoor units and human injury.
• Do not put a heavy article on the indoor unit or let a person get on it. (Even units are packaged)
• Carry in the indoor unit as it is packaged if possible. If carrying in the indoor unit unpacked by necessity, use buffering
cloth or other material to not damage the unit.
• Carry the package by two or more persons, and do not bundle it with plastic band at positions other than specified.
• To install vibration isolation material to hanging bolts, confirm that it does not increase the unit vibration.
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External dimensions
Upper pipe draw-out port (knockout hole)
Power supply wire take-in port
(knockout hole Ø40)
87
Left drain pipe connecting port
Refrigerant pipe (Liquid side ØC)
Refrigerant pipe (Gas side ØD)
B (Hanging position)
A
Signal receiving unit mounting section
218
235
109
66
102
132
Drain pipe connecting port
192
98
Remote controller wire take-in port
158
E
Remote controller wire take-in
F
port (Knockout hole)
G
Power supply wire take-in port
(knockout hole Ø40)
Left drain pipe draw-out port
(knockout hole)
Model
A
B
C
D
E
GM90
1586
1540
Ø9.5 Ø15.9
376
(Unit: mm)
87
F
G
303
378
18-EN
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