In the above cases, additionally attach the heat insulator to all positions of the air conditioner, which come to
contact with the high-humidity atmosphere. In this case, arrange the side plate (Check port) so that it is easily
removed.
Apply also a sufficient heat insulation to the duct and connecting part of the duct.
[Reference]
Condensation test conditions
27°C dry bulb temperature
Indoor side:
24°C wet bulb temperature
Air volume:
Low air volume, operation time 4 hours
Installation space
Reserve sufficient space required for installation or service work.
Air discharge
Ceiling
25
25
A
B
100
or more
or more
Service door (Ceiling opening)
Floor surface
100 or more
Air discharge
Check port
450
B
Service space
(B for maintenance of air filter)
Model
A
GM90
1450
Filter cleaning sign term setting
The lighting term setup of the filter sign (Notification of filter cleaning) of the remote controller can be changed
according to the condition of installation.
For setup method, refer to "Filter sign setting" in the Applicable controls of this Manual.
15-EN
(Unit: mm)
Air intake
Ceiling
25
570
Service door (Ceiling opening)
Air intake
Ceiling
25
570
Service door (Ceiling opening)
Air intake
300 or more
B
25
Ceiling
570
700
Service door (Ceiling opening)
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.
To move the indoor unit, hold the hooking brackets (4 positions) only.
Do not apply force to the other parts (such as refrigerant pipe, drain pan, foamed parts, or resin parts).
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.
External dimensions
Main unit dimension A
50 or more
External dimensions of flange C
4 Dimension
Model
GM90
– 8 –
C
L
Hanging bolt pitch B
22
Hanging bolt pitch 650
5
0
D
Drain pan / Drain
pump check cover
A
B
1400
1465
(Unit: mm)
750
5
0
345
187.5
355
25
415
570
Electrical
control box
C
D
1340
1450
16-EN