GREE ELECTRIC GUHD09NK3CO Service Manual page 56

U-Match Series DC
Inverter Service Manual
4.4.7 Air Exchange Setting
Turn on air Exchange function:
Under on-state of the unit, press Function button to go to the this function setting (Air mark blinks).AIR 1 displayed
at the ambient temperature-displayed location (888) is defaulted (the last type of AIR will be displayed after adjustment).
the air mark shows.
There are 10 types of AIR, but only 1-2 types are for remote control. Refer to the following details:
Turn off air Exchange function: During Air function, press Function button to go to the Air function. In this case, air
mark is blinking, and then press Enter/cancel button to turn off this function. Air mark will subsequently disappear.
Note: In air exchange mode, press Function button or there is not any operation within 5s after the last button
operation, the system will be quit from air exchange setting and current energy-saving data won't be memorized.
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Fig.4.4.7 Air exchange device