Toshiba RAS-M10GDCV-E Service Manual page 30

[Square duct]
Aluminum tape (Seal : 50mm-width)
Square duct board
(25mm-thickness, 64kg/m³ or equivalent)
[Round duct]
Aluminum tape (Seal : 50mm-width)
Thermal insulator
(25mm-thickness, 24kg/m³ or equivalent)
9-4-4. Caution for Safety
1. Return air side
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.
1. Return air from rear side
1) Follow the procedure same as that for the supply air side.
Flange mounting → Square duct making → Connecting work
2. Return air from lower side
1) 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.
2) Mount the flange to the place from where the cover for return air was removed.
3) Mount the square duct.
4) Arrange the flange and the square duct.
Thermal insulator with sticking material
(50mm-width, 6mm (t))
Fit to the arrow Fit to the arro Fit to the arrow w
direction by pushing. direction by pushing.
Attach by pushing to the arrow direction.
(Outside corner direction)
Fig. 9-4-10
Thermal insulator with sticking material
(50mm-width, 6mm-thickness)
Fit to the arro Fit to the arrow w Fit to the arrow
direction by pushing. direction by pushing.
Round duct
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. 9-4-11
Cover for return air
Fig. 9-4-12
Thermal insulator at indoor unit side
(Stuck already at shipment from the factory)
Flange (procured locally)
Seal/thermal insulator with sticking material
(25mm-width, 6mm (t))
Thermal insulator at indoor unit side
(Stuck already at shipment from the factory)
Seal/thermal insulator with sticking material
Flange
(25mm-width, 6mm (t))
– 30 –
Screws (6 pieces)
Indoor unit side
Screws (6 pieces)