Gree FGR20/BNa-M Service Manual page 29

Duct Type Split Air Conditioner
Service Manual
Timer range: 0.5-24hr. Every press of ▲ or ▼ button will make setting time increased or decreased by 0.5hr.
If press either of them continuously, setting time will automatically increase/ decrease by 0.5hr every 0.5s.
Note:
a. If both timer on and timer off are set in unit on interface, the wired controller only display time of time
off. If both of them are set in unit off-state, only time of timer on is displayed.
b. Timer on in unit on-state is timed from the time of unit off and timer off in unit off-state is timed from the
time of unit on.
3.4.7 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).Press ▲ or ▼ button to adjust air type. Press Enter/Cancel button to turn on/off air function.
After turning on this function, the air mark shows.
There are 10 types of AIR, but only 1-2 types are for remote control. Refer to the following details:
1――The unit continuously runs for 60min, and fresh air valve runs for 6 min.
2――The unit continuously runs for 60min, and fresh air valve runs for 12 min.
3――The unit continuously runs for 60min, and fresh air valve runs for 18 min.
4――The unit continuously runs for 60min, and fresh air valve runs for 24 min.
5――The unit continuously runs for 60min, and fresh air valve runs for 30 min.
6――The unit continuously runs for 60min, and fresh air valve runs for 36 min.
7――The unit continuously runs for 60min, and fresh air valve runs for 42 min.
8――The unit continuously runs for 60min, and fresh air valve runs for 48 min.
9――The unit continuously runs for 60min, and fresh air valve runs for 54 min.
10――The unit continuously runs for 60min, and fresh air valve always runs.
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
CONTROL
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Fig. 3.11Timer setting under on state of the unit