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Samsung AR09FSFP Series Manual

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38
Installing and connecting the drain hose of the outdoor unit
Frame
Ground
Estimated
snow fall
Snow-proof hood
Bottom surface of outdoor unit
Drain hose
Drain hole
Drain plug
While heating, ice may accumulate. During the process of defrosting, check if condensation draining is adequate. For adequate
draining, do the following:
The outdoor unit is loaded with sucient R-410A refrigerant. Do not vent R-410A into atmosphere: it is a uorinated
greenhouse gas, covered by Kyoto Protocol, with a Global Warming Potential (GWP) = 1975.
You should purge the air in the indoor unit and in the pipe. If air remains in the refrigerant pipes, it aects the compressor.
It may cause reduction of cooling capacity and malfunction. Refrigerant for air purging is not charged in the outdoor unit.
Use Vacuum Pump as seen in the picture.
1. Insert the drain plug into the drain hole on the underside of the outdoor unit.
1. Connect each assembly pipe to the appropriate valve on the outdoor unit
and tighten the are nut.
2. Tighten theare nut rst with your hands, and then with a torque wrench,
applying the following torque:
2. Connect a drain hose to the drain plug.
3. Ensure that condensation draining is adequate.
Drain hole
Drain plug
• Toavoiddrainplugfromcontactingtheground,securegapbetweenthe
ground and the bottom surface of the outdoor unit.
• Inareaswithheavysnowfall,piledsnowcouldblocktheairintake.
To avoid this incident, install a frame that is higher than estimated snow
fall. In addition, install a snow-proof hood to avoid snow from piling on the
outdoor unit.
• Wheninstalling,makesurethereisnoleakage.Whenrecoveringtherefrigerant,groundthecompressorrst
before removing the connection pipe. If the refrigerant pipe is not properly connected and the compressor works
with the service valve open, the pipe inhales the air and it makes the pressure inside of the refrigerant cycle
abnormally high. It may cause explosion and injury.
Purging the connected pipes
Outdoor unit Indoor unit
Gas pipe side
Liquid pipe side
Outer Diameter Torque (kgf•cm)
ø6.35 mm 140~170
ø9.52 mm 250~280
ø12.70 mm 380~420
ø15.88 mm 440~480
ø19.05 mm 990~1210
ø22.23 mm 990~1210
• Excessivetorquecanbecauseofgasleakage.
• Maketheelectricalconnectionandleavethesysteminto“standby
mode”.Donotturnonthesystem!
This is necessary for better vacuum operation (full OPEN position of
Electronic Expansion Valve - EEV -).
If using a multi system, install as described in the installation manual supplied with the outdoor unit.
Maldives ET_AR09FSFP@_IBIM_DB68-03376A_EN_2.indd 38 2012-12-3 18:55:02
… 38 …


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