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A2X SERIES
SPUN ALUMINUM EXHAUSTERS
EC (Electronically Controlled) MOTOR SPEED CONTROL
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.
MESSAGE DISPLAYED...
Spd- followed by the instantaneous speed in rpm
dE-
followed by S + demand in %
E1-
No communications
E2-
Under Voltage
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.
AC Supply - 115/208-230VAC
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.
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 information)
UL762 RESTAURANT EXHAUST APPLICATION
All up-blast models are UL/cUL listed, they are capable to meet UL762 for Commercial Kitchen application:
•
The National Fire Protection Association (NFPA) publication NFPA 96 is the primary source for this application. Also consult local
authorities for all other applicable codes and guidelines before installation.
•
Exhaust fans used in kitchen ventilation applications must have external wiring. (Wiring must not be installed in the airstream).
•
Installation must include a means for inspecting, cleaning and servicing the exhaust fan. (Curb hinge, grease collector and outdoor
disconnect switches are available for purchase as accessories)
•
No dampers can be used in the system.
M-A2X 04/11/19
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