Gree GWH09TB-D3DNA1A Service Manual page 138

3.9 E-heater Setting
E-heater (auxiliary electric heating function): In the Heating mode, E-heater is allowed to be turned on for improvement of effciency.
Once the wired controller or the remote controller enters the Heating mode, this function will be turned on automatically.
Press Function in the Heating mode to enter the E-heater setting interface and then press Enter/Cancel to cancel this function.
Press Function to enter the E-heater setting status, if the E-heater function is not activated, and then press Enter/Cancel to activate it.
The setting of this function is shown as Fig.3.9.1 below:
Fig.3.9.1 E-heater Setting
3.10 Blow Setting
Blow function: After the unit is turned off, the water in evaporator of indoor unit will be automatically evaporated to avoid mildew.
In the Cooling or Dry mode, press Function till the unit enters the Blow setting status and then press Enter/Cancel to active this function.
When the Blow function is activated, press Function to the Blow setting status and then press Enter/Cancel to cancel this function.
Blow function setting is as shown in Fig.3.10.1
Fig.3.10.1 Blow Setting
Notes:
. When the Blow function is activated, if turning off the unit by pressing On/Off or by the remote controller, the indoor fan will run at the
low fan speed for 2 min, with "BLOW" displayed on the LCD. While, if the Blow function is deactivated, the indoor fan will be turned off
directly.
. Blow function is unavailable in the Fan or Heating mode.