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37
In Case of Bottom Intake
1 Remove the frame filter assy as shown in
diagram
1
2 Remove cover plate as shown in diagram
1
3 Fix frame filter assy as shown in diagram
2
4 Fix cover plate as shown in diagram
2
with
the dummy hole downward.
1
2
Dummy hole
Dummy hole
Air intake
Air intake
Frame
Filter
Assy
Air
discharge
Air discharge
Cover plate
Cover plate
Frame Filter
Assy
Fixing Frame Filter Assy
* Attach the frame fi lter assy to
the main unit while pushing the
tip of the latches in the direction
of the arrow.
In case of bottom side
Main unit
Filter Assy
In case of back side
Ceiling Opening
Install inspection opening 17 23/32" x 17 23/32" (450 mm x 450 mm) on the control box side where maintenance
and inspection of the control box and drain pump are easy. Install another inspection opening 31 1/2" x 27 9/16"
(800 mm x 700 mm) also at the lower part of the unit.
700
800
Allow view A
Inspection access
(Field supply)
Air intake
Air
discharge
Ceiling
A
27
9/16
" (700)
31
1
/2
" (800)
Securing the Hanging Bolts
Wooden of other structure
(Hanging bolt pitch)
C channel
Hanging fi xture
Hanging bolt
Appro
x
.
4
1
/2
" (144)
Hanging
bolt M10
Ceiling surface
Roof beam
Reinforcing materials
(2
3/8
" to
3
17/32
") (60 to 90 mm)
Hanging
bolt M10
Appro
x
.
4
1
/2" (114)
Ceiling surface
Insert hole-in
anchor, etc.
Reinforced concrete
”
1
9/16
" (40)
t =
3/32
" (2)
1
3/16
" (30)
Secure the hanging bolts (M10, locally purchased) firmly in a manner capable of supporting the unit weight.
Consult your construction or interior contractor for details on finishing the ceiling opening.