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REFRIGERANT PIPING &
REFRIGERANT CHARGE
11.3. PIPING CONNECTION FOR OUTDOOR UNIT
1. The pipes can be connected from 4 directions. Make
holes in the piping cover or cabinet for taking out pipes.
Take the piping cover away from the unit, and make holes
by cutting along the guideline at the rear of the cover or
punching with a driver. Remove the burr with a cutter, and
place a insulation (field supplied) to protect cables and
pipes.
Nº
Rear side piping work
Pipe Cover
Right side piping work
Bottom side piping work (Knock out hole)
Front side piping work
Piping work
Stop Valve
Removing Direction for Service Cover
CAUTION:
Notes to open/close the service cover:
Remove the screws following the instructions to the
above figure.
Ê
Slowly press down the cover
Hook (three places): two fans
Hook (two places): one fan
PMML138A_R1-eng-fre.indb 26
Description
Service cover
NOTE:
Hold the cover with a hand to remove screws as the cover
may fall down.
¡
For the front and side piping
To use racking or conduit tubes, check the size and remove
part following the slit.
NOTE:
Place insulation (field supplied) to protect cables and pipes
from being damaged by plate edges.
Cables
Liquid piping
¡
For the downward piping
NOTE:
Cables shall not contact directly to the pipes.
¡
For the rear side piping
NOTE:
Remove the rear pipe cover under the rear cover and
remove part following the slit.
PMML0138A-rev.1 - 11/2009
Front piping hole
Side piping hole
Gas piping
Knock-out hole
Bottom base
Rear Cover
26
19/11/2009 14:45:15
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