Design and Technical Manual

6. SYSTEM DESIGN
INSTALLATION3.
OUTDOOR UNIT3-1.
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 Lateral Rear
Front
connection
Lateral
connection
Rear
connection
Bottom
connection
(N o.1)
Fig. A
Bottom
connection
(No.2)
Slit
Slit
Fig. B Fig. C
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SYSTEM DESIGN SYSTEM DESIGN