E-20
CONNECTING THE PIPES TO THE OUTDOOR UNIT
Piping can be made in four directions, choose whichever direction convenient according to unit’s
installation condition.
1. Remove 3 screws of service panel.
Slide the panel downward and detach it.
Screw
Pipe cover
2. Remove the knock out hole of pipe cover or unit base pan, depending on the piping direction intended.
After removing the knock out hole, remove burrs and attach BUSHING B on the knock out hole to
protect the edge.
Knock out hole for refrigerant pipe
Knock out hole for refrigerant pipe and cable
3. Remove the pipe cover.
Pipe cover (front)
4. Connect the pipes.
Align the center of the pipes and tighten the flare nuts by hand for the first 3-4 turns.
Use two wrenches to tighten up the pipes.
• Take care so that the connecting pipes will not touch the internal refrigerant piping.
• Be sure to cover the pipe connection area thoroughly with pipe thermal insulation.
Slit
6. Fill up the clearance between the knock out hole and the pipes with putty.
Slit
Slit
Pipe cover (rear)
5. Replace the pipe cover.
Cut off the remaining portion of the pipe cover slit to widen the pipe opening and replace the pipe cover.
OM_AH-PN10 13GY_EN.indd Sec1:20
OM_AH-PN10 13GY_EN.indd Sec1:20
12/22/11 6:30:37 PM
12/22/11 6:30:37 PM
