Control Function Of Indoor Unit - Gree GC201306 -1 Service Manual

2.4 Control Function of Indoor Unit

2.4.1 Running Mode
1. COOL 2.DRY 3.HEAT 4.AUTO 5 FAN
2.4.2 Basic Functions of the System
1) COOL Mode
Under this mode, the fan and swing function goes as the set conditions, and the set temperature range is 16℃
~30℃.
2) DRY Mode
Under this mode, the fan will run at the low speed and the swing function is performed under the set
conditions. The set temperature range is 16~30℃.
3) FAN Mode
Under this mode, only the fan of the indoor unit runs. And if the auto speed is set, the fan will run under the
same condition as the COOL mode.
4) HEAT Mode
a) Under this mode, the set temperature range is 16℃~30℃.
b) The defrosting symbol "H1" will be displayed when the defrosting signal is received from the outdoor
unit.
5) AUTO Mode
a) When the ambient temperature is higher than 25℃, the unit will run as the COOL mode.
b) For the cooling and heating unit, if the ambient temperature is or lower than 22℃, the unit will run as the
HEAT mode.
c) When the indoor ambient temperature is higher than 22℃ but lower than 26℃, the unit which starts to
work under the AUTO or DRY mode will shift to the FAN mode, while the unit which starts to work under other
mode will keep the current running mode.
2.4.3 Other Control
1) Beeper Control
When the controller is powered on or it receives a valid either press button signal or remote control signal,
the beeper will utter a warning tone.
2) Auto Speed Control
a). Under the HEAT mode:
◆ If the ambient temperature is equal or higher than the set temperature, the fan will run at the low speed;
◆ If the ambient temperature minus 3℃ is equal or lower than the set temperature, the fan will run at the
medium speed;
◆ If the ambient temperature minus 3℃ is lower than the set temperature minus 3℃, the fan will run at
the high speed.
b). Under the COOL mode:
◆ If the ambient temperature is equal to or lower than the set temperature, the fan will run at the low
speed;
◆ If the ambient temperature is between the set temperature and the set temperature minus 3℃, the fan
will run at the medium speed;
◆ If the ambient temperature is higher than the set temperature plus 3℃, the fan will run at the high speed.
c). Under the FAN mode:
◆ The fan will run at the medium speed constantly.
◆ Once the fan starts, its speed cannot be changed unit it has run for at least 30 seconds at the currently set
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