Installing And Connecting The Drain Hose To The Outdoor Unit; Evacuating The Connected Pipes - Samsung Smart Whisper AR KS Series User & Installation Manual

Installing and connecting the drain hose to the outdoor unit

In Heat mode, ice may accumulate. During defrost, check for condensate drain.
1. Insert the drain plug into the drain hole on the underside of the outdoor unit.
off ground.
2. Connect a drain hose to the drain plug.
3. Ensure that condensation drain is working.
To avoid this incident, install a frame that is higher than estimated snow
fall. In addition, install a snow-proof hood to stop snow from piling on the
outdoor unit.

Evacuating the connected pipes

The outdoor unit is provided with sufficient R-410A refrigerant. Do not vent R-410A into atmosphere: it is a fluorinated
greenhouse gas, covered by Kyoto Protocol, with a Global Warming Potential (GWP) = 2088.
You should evacuate 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. Use Vacuum Pump as seen in the picture.
before removing the connection pipe. If the refrigerant pipe is not properly connected and the compressor
operates with the service valve open, air can enter the system increasing pressure and may cause explosion and
injury.
English-49
Drain plug
Drain hole
Bottom surface of outdoor unit
Drain hole
Drain plug
Drain hose
Snow-proof hood
Estimated
snow fall
Frame
Ground