Samsung AM NNN Series User Manual page 15

Periodical maintenance
Unit Maintenance item
Clean the air filter.
Clean the condensate drain pan.
Indoor
Clean up the heat exchange.
unit
Clean the condensate drain pipe.
Replace the remote control batteries.
Clean the heat exchanger on the
outside of the unit.
Clean the heat exchanger on the
inside of the unit.
Clean the electric components with
jets of air.
Outdoor
unit
Verify that all the electric
components are firmly tightened.
Clean the fan.
Verify that the fan assemblies are
firmly tightened.
Clean the condensate drain pan.
Interval
At least once a month
Once a year
Once a year
Once every 4 months
At least once a year
Once every 4 months
Once a year
Once a year
Once a year
Once a year
Once a year
Once a year
Requires qualified
technicians
Required
Required
Required
Required
Required
Required
Required
Required
Required
Required
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