Operating The Fan; Starting And Stopping The Fan; Adjusting Fan Speed; Reversing Direction Of Fan Rotation - Bigass 4900 Manuel D'installation

WARNING: The following startup procedures apply to standard model controllers. Procedures may vary
depending on installation options and system automation. The installer should verify proper wiring,
terminations, and proper voltage supply before proceeding. High voltage gloves and arc flash protection
are recommended.
AUTO
M
Drive Idle/Stopped Screen
AUTO
M
Fan Speed Percentage Display
(73.5% Running FWD)
AUTO
M
Typical Fault Message Display
(Incoming Line Over-Voltage Shown)
24

OPERATING THE FAN

FW D
RUN
REV
R F
STOP
FW D
RUN
REV
R F
STOP
FW D
RUN
REV
R F
STOP
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Starting and stopping the fan

The RUN and STOP buttons control the fan start and
RUN
stop functions. To start the fan, press the green RUN
button. To stop the fan, press the red STOP button.
STOP

Adjusting fan speed

The Arrow buttons control speed adjustment. To adjust
fan speed, press the Up or Down Arrow button. Single
presses will increase or decrease the speed in 1–2%
increments. Pressing and holding the Up or Down
Arrow button will slowly and continuously adjust fan
speed until the button is released.

Reversing direction of fan rotation

R F
The direction of fan rotation can be reversed when the
fan is stopped or running. To reverse the direction of
then
rotation, press the Direction button, and then press
M
the Memory/Enter button (as shown on the left). The
associated Direction indicator will flash, indicating the
pending change.
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