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Honeywell ML7999A, Product Data

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Honeywell ML7999A Product Data Download Page 6

ML7999A UNIVERSAL PARALLEL-POSITIONING ACTUATOR

65-0239—2

6

8.

If the device shaft turns, reconnect the actuator and 

wiring and drive the actuator hub clockwise and 

counterclockwise. If the actuator does not drive, replace 

the actuator.

9.

If the actuator and device shaft turn freely, remount the 

actuator to the device according to instructions in the 

Installation section. Make sure the actuator does not 

bind and that the actuator and device are both at the 

same clockwise or counterclockwise end stop when 

assembled. Hook up the wires and repeat the Checkout 

procedures. Troubleshoot if necessary.

Summary of Contents for ML7999A

Page 1: ...FEATURES Universal power supply input Password protected with an eight digit hexadecimal identification signal 100 lb in 11 3 Nm torque Includes integral position feedback potentiometer Separate wiring compartment between line voltage power wiring and low voltage control Direct coupling shaft interface mounting Couples directly to a 1 2 in 13 mm shaft with no additional parts required Couples dire...

Page 2: ...differential between DR1 DR2 Drive Counterclockwise Maximum 4 25 Vdc differential between DR1 DR2 NOTE Actuator does not respond until the 8 digit ID signal from the R7999 is passed via DR1 DR2 Actuator Stroke 95 nominal 3 mechanically limited Output Hub Position Accuracy 0 1 Torque Ratings at Rated Voltages Lift and Hold Minimum 100 lb in 11 3 Nm Breakaway Minimum 100 lb in 11 3 Nm Stall Minimum ...

Page 3: ... and acid fumes can damage the actuator metal parts Install actuator in areas free of acid fumes and other deteriorating vapors Mounting ML7999 Actuator The actuator mounts on a 1 2 in round or square shaft For shafts smaller than 1 2 in self centering adapters are available for 5 16 in and 3 8 in shafts For shafts larger than 1 2 in adapters are available for 5 8 in 3 4 in and 9 16 in CAUTION Equ...

Page 4: ... Ground Earth ground is required for proper operation of the ControLinks system Earth ground provides a connection between the subbase and the control panel of the equipment The earth ground must be capable of conducting enough current to blow the fuse or breaker in the event of an internal short 1 Use wide straps or brackets to provide minimum length maximum surface area ground conductors If a le...

Page 5: ...r is low check the power supply 3 Ensure actuator stroke matches stroke of damper or valve a Remove the cover b Press the button labeled CW The actuator should drive the device clockwise c Press the button labeled CCW The actuator should drive the device counterclockwise 4 If the actuator operates properly check the controller for proper output signals 5 If the actuator does not drive remove power...

Page 6: ... does not drive replace the actuator 9 If the actuator and device shaft turn freely remount the actuator to the device according to instructions in the Installation section Make sure the actuator does not bind and that the actuator and device are both at the same clockwise or counterclockwise end stop when assembled Hook up the wires and repeat the Checkout procedures Troubleshoot if necessary ...

Page 7: ...7 65 0239 2 ...

Page 8: ...well Europe S A Honeywell Latin American Honeywell International Inc Honeywell Limited Honeywell Limitée Control Products 3 Avenue du Bourget Region 1985 Douglas Drive North 35 Dynamic Drive Honeywell Building 1140 Brussels 480 Sawgrass Corporate Parkway Golden Valley MN 55422 Scarborough Ontario 17 Changi Business Park Central 1 Belgium Suite 200 M1V 4Z9 Singapore 486073 Sunrise FL 33325 ...

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