三合微科股�½有限公司
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Microelectronics Corp.
SM3502
FAN CONTROLLER
FUNCTION DESCRIPTION
SM3502 has FIVE control signal operations :
* Start-up by SPEED key
a. function turn off (OFF key)
b. wind mode selection (MODE key)
c. start-up function and wind speed selection(SPEED key)
d. timer setting (TIMER key)
e. swing head or light control (SW or LIGHT Key)
Only SPEED key can enable the fan controller, except for the light control. Wind mode, timer and
swing head inputs can not be accepted when fa
by timer and OFF key inputs.
When more than one key are pressed, controller will not accept the multi-key's control signal, if the
panel keys are pressed more than six seconds, controller will generate a " BI-BI-BI-BI" warning sound.
When fan is enabled by SPEED key, the initial state of fan controller is as follows:
* Memory function available
If Fan controller is OFF on sleep mode, all memory functions will be returned to the LAST STATE
BEFORE SLEEP MDOE operation.
a. Grade as last state but with starting medium wind for three seconds
b. The wind mode as last state except sleep mode
c. Swing function as last state
d. Timer setting off
e. Light is independent
A. OFF KEY
When fan controller is on, press the OFF key, fan functions will be off except light output.
B. SPEED KEY
When fan control is off, press SPEED key, fan is turned on, initial state is LOW wind; when
memory function is available, the wind grade will operate as last state. Both conditions have
three seconds starting wind. Press the SPEED key again, the wind will be changed as
follows :
OFF
LOW
MEDIUM
STRONG
SPEED key used
Pulse is put into OFF pin
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SAMHOP [ SAMHOP MICROELECTRONICS CORP. ]
