Gree CE52-24/F(C) Owner's Manual page 32

5.4.2 Floor control parameter
(1) On/off
Press the on/off button to trun unit on or off.
When the unit is off, the mode and temperature cannot be set.
(2) Temperature Setting
It displays the current water yielding temperature as default. The temperature
value will turn to the setting temperature and can be adjusted by pressing
and buttons; the temperature value will increase or decrease by every
pressing the button for once. The temperature value will be continuously increased
or decreased by long pressing the button. After 5 seconds without any action, the
temperature value will turn back to the current water yielding temperature.
Floor heating water yielding temperature range: 25℃~ the highest water
yielding temperature of floor heating 45℃.
(3) Function Setting of Floor Heating
Fig. 5.5 Page of Floor Heating Control
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Centralized Controller