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15
English
* After knocking out the knock hole, it is recommended to apply repair paint to the edge and the surrounding
end surfaces to prevent rusting.
〈
Preventing foreign objects from entering
〉
Plug the pipe through-holes with putty or insulating material
(procured locally) to stop up all gaps, as shown in Fig. 10.
Insects or small animals entering the outdoor unit may cause a short
in the control box.
〈
Precautions when the handling piping stop valve
〉
Do not open the stop valves until the 7. EVACUATING is finished.
•
The names of the parts necessary for handling the pipe stop valves for the indoor and outdoor units are
described in Fig. 11. The valves are closed before shipment.
•
Since the side boards may be deformed if only a torque wrench is used when loosening or tightening flare
nuts, always lock the shut-off valve with a wrench and then use a torque wrench.
When tightening the flare of the stop valve, do not exceed the rated torque. The rated torque is shown
on page 16.
Applying force by exceeding the rated tightening torque may cause the sheet surface inside the stop valve to
twist, the refrigerant to leak inside the valve, and the flare nut to break.
Back side (rear) connection
Side (lateral) connection
Flare nut
Flare nut
Piping on gas side
(field supply)
Piping on
gas side
(field supply)
Knock hole
Knock hole
Piping outlet
plate (rear)
Piping outlet
plate (front)
Piping on the
liquid side
(field supply)
Piping on the
liquid side
(field supply)
Remove the piping outlet plate
(rear) for connection.
Remove the piping outlet
plate (front) for connection.
Putty or insulating
material
(Procured locally)
Fig. 10
Servicing port
Branch piping
connection
Valve bar
Valve lid
Fig. 11
01_EN_3P281953-1B.fm Page 15 Tu esday, January 25, 2011 3:35 PM
Summary of Contents for FBQ20EAVAK
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Page 31: ...FBQ20EAVAK FBQ24EAVAK FBQ36EAVAK FBQ45EAVAK FBQ48EAVAK FBQ48EAVMK...
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