Installation
In case of the Outdoor Unit being installed above position of the Indoor Unit.
2.Tape the Piping and Connecting cable from bot- tom to top.
3.Form the pipings gathered by taping along the exterior wall, and make the trap prevent water from entering into the room.
4.Attach the piping onto the wall by saddle or equiva- lent.
Seal a small opening around the pipings with gum type sealer.
Trap
7. Drain Pipe Work
■Drain Piping of Ceiling Cassette
•Drain piping must have
•During drain piping connection, be careful not to exert extra force on the drain port on the indoor unit.
•The outside diameter of the drain connection on the indoor unit is 32mm(1.26inch).
Piping material: Polyvinyl chloride pipe
• Be sure to install heat insulation on the drain piping.
Heat insulation material: Polyethylene foam with thickness more than 8 mm(0.31inch).
■Install the drain raising pipes at a right angle to the indoor unit and no more than 300mm(11.81inch) from the unit.
Pipe clamp | Upward | |
routing | ||
| ||
| not allowed | |
Indoor unit |
| |
Maintenance |
| |
drain port |
|
300mm |
| 1 | |
(11.81inch) or less | |||
|
| 700mm | (27.6inch)or less |
|
| Drain raising pipe |
|
Clamp metal(attached) | Drain hose(attached) |
| |
Drain test
The air conditioner uses a drain pump to drain water. Use the following procedure to test the drain pump operation:
Feed water | Flexible drain hose |
| (accessory) |
| Main |
| drain pipe |
| Drain |
|
Drain Pump | port | Glue the joint |
|
| |
| Drain hose connection | |
| Use the clip (accessory) | |
Drain pan
CAUTION
The supplied flexible drain hose should not be curved, neither screwed. The curved or screwed hose may cause a leakage of water.
•Connect the main drain pipe to the exterior and leave it provisionally until the test comes to an end.
•Feed water to the flexible drain hose and check the piping for leakage.
•Be sure to check the drain pump for normal operat- ing and noise when electrical wiring is complete.
•When the test is complete, connect the flexible drain hose to the drain port on the indoor unit.
Flexible drain hose |
1/50~1/100 |
MAX 700mm |
(27.6inch) |
26Ceiling Cassette Air Conditioner
