Installation
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II. Installation of indoor unit
1. Selection of installation position
● At or near application site with stringent requirement on noise, indoor unit shall be
installed as far away as possible. When the machine is near rooms with high silencing
requirement, sound insulating doors and windows shall be used for air conditioner equipment
room (subject to Owner agreement);
● The machine shall be installed in special equipment room, water closet, store room or
ancillary room as much as possible;
● Site of installation shall be able to withstand weight of the machine; reinforcing measures
shall be taken for mounting floor/beam subject to potential hazard before installation;
● Position of installation shall ensure shortest connecting hose between indoor and outdoor
units and length of indoor air duct shall be suitable;
● Sufficient air delivery/return space shall be available to facilitate air delivery/return.
Distance between main unit air return face and wall shall exceed 800mm to ensure no right
angle bend of return air;
● Drainage of indoor unit condensate shall be provided;
● Keep the machine away from heat source, inflammables, corrosive gas, strong magnetic
field, dust and heavy oily smoke.
2. Indoor unit installation dimensions
Refer to the following figure and table for indoor unit installation dimensions.
FRD23-B, FRD35-B, FRD50-B
Parameter
Model
a(mm) b(mm) c(mm) d(mm) e(mm) f(mm) g(mm) h(mm)
FRD23-B
FRD35-B
888 722 750
FRD50-B
252
1088 922
128 234
950
190 465
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