Centralized Controller-Week Timer; Function; Operation View - Gree FGR20/BNa-M Service Manual

approachs the preset temp as soon as possible.
About LOCK:
Press "+" and "–" simultaneously to lock or unlock the keyboard. If the remote control is locked, the icon
will be displayed on the LCD, in which case, press any button, the mark will flicker for three times. If the keyboard
is unlocked, the mark will disappear.
About switch between Fahrenheit and Centigrade:
Under status of unit off, press MODE and – buttons simultaneously to switch °C and °F Changing batteries
and notices:
1). Slightly to press the place with
controller.(As show in Fig 4.1)
2). Take out the old batteries, insert two AAA alkaline cells (As show in Fig 4.2.)
3). Attach the back cover of remote control.
NOTE:
a. When changing the batteries, do not use the old or different batteries, otherwise, it can cause the
malfunction of the wireless remote control.
b. If the wireless remote control will not be used for a long time, please take them out. and do not let the
leakage liquid damage the wireless remote control .
c. The operation should be in its receiving rang.
d. It should be placed where is 1m away from the TV set or stereo sound sets.
e. If the remote control cannot operate normally, please take the batteries out, and then reinsert it 30s
later; if it is also abnormal, please replace the batteries.
f. If the main unit needs to be remote controlled, please aim remote controller at the receiver of main unit
in order to improve the receiving sensitivity of the main unit.
g. When the remote controller sends out single, a make
main unit receives effect signal.

5 Centralized Controller-week timer

5.1 Function

Centralized Control and Week Timer Functions: The centralized controller and the weekly timer are
integrated in the same wire controller. The system has both the centralized control and the week timing functions.
Up to 16 sets of units can be controlled simultaneously by the centralized controller (weekly timer). The weekly
timer has the function of invalidating the lower unit. The weekly timing function is able to realized four timing ON/
OFF periods for any unit every day, so as to achieve fully automatic operation. No timing control can be set for
holidays. On and off of every duct type unit can be done through the Timer On / Off of this WEEKLY TIMER, it can
not set other functions except on-off function of units.

5.2 Operation View

along the arrowhead direction to push the back cover of remote
OPEN
Fig4.1
Duct Type Split Air Conditioner
Fig4.2
will flicker for about 1s. The bell will ring if the
Service Manual
CONTROL
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