Carrier P1 Series, Owners And Installation Manual, Page: 25 / 38

• It is best for the piping to go through the wall behind the unit. So that the unit hides the pipes.
• For this method of installation, make a 65mm diameter hole in the wall at either point L or R. ( Figure. 5 )
• Drill a hole at a slope so that the outside end is lower ( 5-10mm ) than the inside end
to ensure good drainage.
• Cut the Wall Sleeve to match the wall thickness and to pass the pipe through the hole.
( Figure. 6 )
225 700 155
• Remove the knock-out in the unit and pass the pipes through the wall.
• The pipe should slope downward and away from the unit to ensure good drainage.
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2) Making the Wall Penetration for the Interconnecting Piping
Rear Piping
Figure 5
Side or Bottom Piping
Figure 6
Indoor side
5~10mm lower
Outdoor side
INDOOR UNIT INSTALLATION