Toshiba RAS-M10GDCV-E Installation Manual page 12

<Square duct>
Thermal insulator with
sticking material
(50mm-width, 6mm (t))
Aluminum tape
(Seal : 50mm-width)
Fit to the arrow w Fit to the arro Fit to the arrow
direction b direction by pushing. direction by pushing. y pushing.
Attach by pushing to
the arrow direction.
(Outside corner direction)
Square duct board
25mm-thickness,
( )
64kg/m³ or equivalent
Fig. 2 (a)
2. Return air side
Caution for Safety
When you do not connect the duct to the return air side (using steel and others), apply a protective measures so that
your hands or fingers do not directly touch with the motor or other electric parts.
2-1. Return air from rear side

Follow the procedure same as that for the supply air side.
Flange mounting → Square duct making → Connecting work
2-2. Return air from lower side

Remove the cover for return air at the lower side of the indoor unit, and attach the cover to the opening port at
the rear side of the indoor unit.
‚
Mount the flange to the place from where the cover for return air was removed.
ƒ
Mount the square duct.
„
Arrange the flange and the square duct.
Thermal insulator
at indoor unit side
Stuck already at
( )
shipment from the factory
Screws
(6 pieces)
Indoor unit side
Flange
(procured locally)
Seal/thermal insulator Thermal insulator
with sticking material
(
(25mm-width, 6mm (t))
Cover for return air
10
<Round duct>
Thermal insulator
with sticking material
(50mm-width, 6mm-thickness)
Aluminum tape
(Seal : 50mm-width)
Fit to the arrow Fit to the arrow w Fit to the arro
direction by pushing. direction b direction by pushing. y pushing.
Round duct
25mm-thickness,
)
24kg/m³ or equivalent
Fit the seal/thermal insulator (25mm-width, 6mm-thickness)
by pushing to the arrow direction so that no clearance can
be found between the flange and the round duct.
Fig. 2 (b)
Thermal insulator
at indoor unit side
Stuck already at
(
shipment from the factory
Screws
(6 pieces)
Seal/thermal insulator
Flange
with sticking material
(25mm-width, 6mm (t))
)