3-2. PIPING TO OUTDOOR UNIT
OPENING A KNOCKOUT HOLE
CAUTION
● Be careful not to deform or scratch the panel while opening the knock out holes.
● To protect the piping insulation after opening a knock out hole, remove any burrs from the edge of
the hole.
It is recommended to apply rust prevention paint to the edge of the hole.
● Pipes can be connected from 4 directions, front, lateral side, rear side and bottom. (Fig. A)
● When connecting at the bottom, remove the service panel and piping cover on the front of the
outdoor unit, and open the knock out hole provided at the bottom corner of the piping outlet.
● It can be installed as shown on “Fig. B” cutting out the 2 slits as indicated on “Fig. C”. (When
cutting slits, use a steel saw.)
Service panel
Front
Rear
Lateral
Fig. A
Front
connection
Lateral
connection
Rear
connection
Bottom
connection
(No.1)
Bottom
connection
(No.2)
Slit
Slit
Fig. B Fig. C
- (06 - 28) -
SYSTEM
DESIGN
SYSTEM
DESIGN
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