Installing And Connecting The Drain Hose Of The Outdoor Unit; Purging The Connected Pipes - Samsung AQV09PSB Manual

Installing and connecting the drain hose of the outdoor unit

While heating, ice may accumulate. During the process of defrosting, check if condensation draining is adequate. For adequate
1. Insert the drain plug into the drain hole on the underside of the outdoor unit.
ground and the bottom surface of the outdoor unit.
2. Connect a drain hose to the drain plug.
3. Ensure that condensation draining is adequate.
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.

Purging the connected pipes

If using a multi system, install as described in the installation manual supplied with the outdoor unit.
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 affects 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.
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.
1. Connect each assembly pipe to the appropriate valve on the outdoor unit and
tighten the flare nut.
2. Tighten the flare nut first with your hands, and then with a torque wrench,
applying the following torque:
This is necessary for better vacuum operation (full OPEN position of
Electronic Expansion Valve - EEV -).
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Maldive EUR_AQV09P@_IBIM_32436A_E.indd 34
Drain hole
Drain plug
Bottom surface of outdoor unit
Drain hole
Drain plug
Drain hose
Snow-proof hood
Estimated
snow fall
Frame
Ground
Outdoor unit Indoor unit
Gas pipe side
Liquid pipe side
Outer Diameter
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
2010-11-11 15:02:26