Toshiba RAV-SM2244DTP-E Installation Manual page 12

Connecting drain pipe
Insert flexible drain hose into the drain pipe of main unit as far as it will go. Fix it with hose band.
REQUIREMENT
Mount the flexible drain hose using the hose band without using adhesive.
Drain pipe
Hose band
Flexible drain hose
Drain up
When install the drain pump kit (TCB-DP40DPE) of optional accessory, read the Installation Manual supplied to a
drain pump kit.
Check the draining
Check if the water can flow out properly during the test run. Also, check if no water leakage from the piping
connection port.
REQUIREMENT
Conduct the drain test even in the heating season.
If it is before the duct work, pour water into the drain pan through the air outlet.
If it is after the duct work, remove the access panel and pour water, then conduct the drain check.
Access plate
21-EN
20 mm or less
Flexible drain hose
Indoor unit
Hose band
10 mm
Pour into the drain pan
– 11 –
Heat insulating process
As shown in the figure, cover the flexible hose and hose band with the attached heat insulator up to the bottom
of the indoor unit tightly.
Cover the drain pipe tightly with a heat insulator procured locally so that it overlaps with the attached heat
insulator of the drain connecting section.
Wrap the attached heat insulator tightly from
Connecting method of the duct
Duct: Insulation material
(locally procured)
Flange
Air discharge side
CAUTION
Incomplete heat insulation of the supply air flange and sealing may occur dewing resulted in falling of water drop.
the surface of the indoor unit.
Heat insulator of the drain Heat insulator
connecting section (locally procured)
(accessory)
Connect a duct to the Flange (locally procured)
outside of the flange
Aluminum tape (locally procured)
Indoor unit
Air intake side
Aluminum tape (locally procured)
Under surface
22-EN