MESSAGE DISPLAYED...
Spd-
followed by the instantaneous speed in rpm
dE-
followed by S + demand in %
E1-
No communications
E2-
Under Voltage
Power is connected to the motor and control module through the
junction box and wiring harness provided.
Note:
For 115VAC operation the blue jumper provided (taped to wire
harness) must be inserted into motor power
connector. See diagram.
Caution: Operating the motor at 208-230VAC with the jumper will cause significant damage to the motor.
AC Supply - 115/208-230VAC
EC motors are equipped with a control module that allows for accurate manual adjustment
of motor speed. Motor speed range is from 300 to 1800rpm or maximum rpm for that
model.
The control module features a 4 digit LED display that indicates % demand of full speed
and motor speed in rpm. The display also indicates an error code message for minor
diagnostics if required.
Motor speed can be changed by adjusting the speed control pot located on the control
module. A small screwdriver can be used to make the speed adjustment.
ALX SERIES
SPUN ALUMINUM EXHAUSTERS
ALX-M-06_27_22
Page 3 of 7
EC (Electronically Controlled) MOTOR SPEED CONTROL
Note:
EC motors have a soft start
feature. When the power is turned on
the control module gathers information
from the motor then begins the start up
process. After a few seconds the motor
will start to turn and reach full set speed
in 10-15 seconds.
Remote Speed Control Option
(please
contact factory for further inform ation
)
If your unit
contains the
ECsmart
Motor
please follow
these wiring
diagrams: