Maintenance And Care; Drain Pipe; Notice Before Seasonal Use - Gree FLEXX Series Installation & Owner's Manual

Air Handlers
Following circumstances are not malfunction.
"Malfunction"
Unit doesn't run.
Mist comes from
the unit.
The unit emits
noise.
The unit blows out
dust.
The unit emits
odor.
Indoor unit still
runs after switch
off.

7 Maintenance and Care

Scheduled service, maintenance and cleaning should be performed by
professional personnel, to prolong the unit life span.

7.1 Drain Pipe

Regularly check the drain pipe for obstructions to ensure proper
condensate removal.

7.2 Notice before Seasonal Use

(1) Check if the inlet/outlet of the indoor unit is clogged.
(2) Check if the ground wire is secured properly.
(3) Check if the filter is correctly installed.
When unit is started
immediately after it is just
turned off.
When power is turned on.
Under cooling.
Slight cracking sound is
heard when just turned on.
There is consecutive sound
when cooling.
There is sound when unit
starts or stops.
There is slight and
consecutive sound when unit
is running or after running.
When unit runs after no
operation for a long period.
Operating.
After every indoor unit
receives "stop" signal, fan
will keep running.
Reason
Overload protection switch
makes it run after 3 minutes
delay.
Standby operating for about 1
minute.
Indoor high humidity air is
cooled rapidly.
It is noise when electronic
expansion valve initialization.
That's sound for gas
refrigerant flowing in the unit.
That's sound for gas
refrigerant stops flowing.
That's sound for operation of
drainage system.
Dust in indoor unit is blew out.
The room odor absorbed by
the unit is blew out again.
Indoor fan can be set as "ON"
or "AUTO" mode. Under "ON"
mode, indoor fan will keep
running after switch off the
unit.
21