Cassette Type Air Conditioner Unit
21
1/100 so that air may not remain trapped inside the pipe.
(2).
Keep pipe size equal to or greater than that of the connecting pipe.
(3).
Install the drain piping as shown and take measures against condensation.
Improperly rigged piping could lead to leaks and eventually wet furniture and
belongings.
Extension drain piping
(commercially
available)
Insulating tube
(commercially
available)
Insulating tape
(accessory)
Indoor unit
drain hose
Fig. 4.20
4.5.2 Installing the Drain Pipes
(1).
Insert the drain pipe to the drain outlet of the unit and then tighten the clamp
securely with tape.
(2).
Connect the extension drain pipe to the drain pipe and then tighten the clamp with
tape.
≤ 4mm(1/8inch)
1
2
1
2
3
Tighten the clamp until the screw head is less then
4 mm from the hose.
①
. Metal clamp (accessory)
②
. Insulation sponge (accessory)
Insulate the pipe clamp and the drain hose using
heat insulation sponge.
①
. Metal clamp
②
. Drain hose (accessory)
③
. Grey tape (accessory)
(3).
When unifying multiple drain pipes, install the pipes as Fig. 4.21. Select
converging drain pipes whose gauge is suitable for the operating capacity of the
unit.(take the cassette type unit for example)
