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INSTALLATION AND OPERATION MANUAL
26
11.2. SUSPENSION OF REFRIGERANT PIPING
Suspend the refrigerant piping at certain points and prevent the
refrigerant piping from touching the weak part of the building such as
wall, ceiling, etc...
(If touched, abnormal sound may occur due to the vibration of the
piping. Pay special attention in case of short piping length).
1~15m
Do not fix the refrigerant piping directly with the metal fittings (The
refrigerant piping may expand and contract).
Some examples for suspension method are shown below.
For Suspending
Heavies
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.
Slowly press down the cover
PMML0197_r0_04-10.indb 26
Fire-Proof
Section
Treatment
Indor unit
For piping along
For instant
the wall
installation work
Description
NOTE:
Hold the cover with a hand to remove screws as the cover may
fall down.
Service cover
Hook (three places): two fans
Hook (two places): one fan
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.
For the downward piping
¡
Cables
Gas piping
Liquid piping
Knock-out hole
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.
Front piping hole
Side piping hole
Bottom base
Rear Cover
08/07/2010 9:20:38
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