2.Tape the tubing, drain hose, and the connecting cable. Be sure that the drain hose is located at the lowest side of the bundle. Locating at the upper side can cause drain pan to overflow inside the unit.
Outside diameter |
| Torque | |
|
|
|
|
mm |
| inch | kg.m |
Ø6.35 |
| 1/4 | 1.8 |
Ø9.52 |
| 3.8 | 4.2 |
Ø12.7 |
| 1/2 | 5.5 |
Ø15.88 |
| 5/8 | 6.6 |
Ø19.05 |
| 3/4 | 6.6 |
Gas side piping
Loop
Connecting cable
•When extending the drain hose at the indoor unit, install the drain pipe.
Drain pipe
Liquid side piping | Drain hose |
|
NOTE: If the drain hose is routed inside the room, insulate the hose with an insulation material* so that dripping from "sweating"(condensation) will not damage furniture or floors.
Adhesive
Indoor unit drain hose
Vinyl tape(narrow)
*Foamed polyethylene or equivalent is recommended.
3.Indoor unit installation
•Hook the indoor unit onto the upper portion of the installation plate.(Engage the two hooks of the rear top of the indoor unit with the upper edge of the instal- lation plate.) Ensure that the hooks are properly seat- ed on the installation plate by moving it left and right.
Connecting cable
Drain hose
4.Connecting the pipings to the indoor unit and drain hose to drain pipe.
•Align the center of the pipes and sufficiently tighten the flare nut by hand.
Indoor unit tubing | Flare nut Pipes |
• Tighten the flare nut with a wrench.
Flare nut
5.Wrap the insulation material around the connecting portion.
•Overlap the connection pipe insulation material and the indoor unit pipe insulation material. Bind them together with vinyl tape so that there is no gap.
Plastic bands Insulation material
•Wrap the area which accommodates the rear piping housing section with vinyl tape.
Connection | Indoor | |
unit pipe | ||
pipe | ||
| ||
Vinyl tape | Wrap with vinyl tape |
(wide)
Connecting cable
Pipe
Vinyl tape(narrow)
•Bundle the piping and drain hose together by wrap- ping them with vinyl tape for enough to cover where they fit into the rear piping housing section.
Wrap with vinyl tape
Pipe
Wrench
Connection pipe
Indoor unit tubing
Vinyl tape(wide)
Drain hose
