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Honeywell ML6425 manual

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Table of contents for the manual

  • Page 1

    PRODUCT DAT A 63-2516-07 ML6425, ML7425 S pring Return Electric Linear V alve Actuators APPLICATION The ML6425 Spring Return Electric Linear V alve Actuators are floating control actuators used with controllers that provide a switched or floating single-pole do uble-throw (sp dt) output. These actuators op erate standard Honeywell valves in heating[...]

  • Page 2

    ML6425, ML7425 SPRING RETURN ELECTRIC LINEAR V ALVE ACTUATORS 63-2516—0 7 2 ORDERING INFORMATION When purchasing replacement and modernizat io n products from your TRADELINE® whol esaler or distributor , refer to the TRADELINE® Catalog or price sheets for complete ordering number . If you have additional questions, need further information, or [...]

  • Page 3

    ML6425, ML7425 SPRING RETURN ELECTRIC LINEAR VALVE ACTUATORS 3 63-2516—0 7 T able 1. Close-off Ratings for ML6425, ML 7425 Electric Linear V alve Actuators and Honeywell V alves (psi). a Represents maximum pressure difference between the outlet and either of the two inlets. b Do not exceed 100 psi with V501 1G valves used in steam applications. F[...]

  • Page 4

    ML6425, ML7425 SPRING RETURN ELECTRIC LINEAR V ALVE ACTUATORS 63-2516—0 7 4 Fig. 2. Att aching Actuator to V alve Collar . Fig. 3. Securing Actuator to V alve. Fig. 4. Removing Actuator Cover . Fig. 5. Removin g Spri ng Ret aining Cli p and Releas ing Manual S pring Han dle. WIRING CAUTION Electrical Shock or Equipment Damage Hazard. Can shock in[...]

  • Page 5

    ML6425, ML7425 SPRING RETURN ELECTRIC LINEAR VALVE ACTUATORS 5 63-2516—0 7 Fig. 7. ML6425 Wiring. Fig. 8. ML7425 Wiring. Fig. 9. M L7425 Wi ring using Controller Fe edback Outpu t and a Common T ran sformer . Fig. 10. ML7425 Wiring using 2 to 10 Vdc Con trol Signal and Separate T ransformers. WIRING STRIP T5 T1 W B 1 L1 (HOT) L2 T Y G ML6425A,B 2[...]

  • Page 6

    ML6425, ML7425 SPRING RETURN ELECTRIC LINEAR V ALVE ACTUATORS 63-2516—0 7 6 Fig. 1 1. ML7425 Wiring using 2 to 10 Vdc Control Signal and a Common T ransformer . Fig. 12. ML7425 Wiring using 4 to 20 mA Control Signal and Separate T ransformers. NOTE: 500 ohm resistor not shipped with product. Fig. 13. ML7425 Wiring using 4 to 20 mA Control Signal [...]

  • Page 7

    ML6425, ML7425 SPRING RETURN ELECTRIC LINEAR VALVE ACTUATORS 7 63-2516—0 7 Fig. 15. Loc ation of W1, W 2, and W3 Sele ctor Plugs. Auxiliary Potentiometers The 43191679 Auxiliary Potentio meters can be used as feedback potentiometers and to provide remote indi cation of the valve position. Refer to the Installation Instructions packed with the pot[...]

  • Page 8

    ML6425, ML7425 SPRING RETURN ELECTRIC LINEAR V ALVE ACTUATORS Automation and Co ntrol Solutio ns Honeywell International Inc. 1985 Douglas Drive North Golden Valley, MN 55422 customer.honeywell.com ® U.S. Regi stered T rademark © 21 1 Honeywell Inter national Inc. 63-2516—07 M .S. Rev . 07-1 1 Printed in United States Direction of Acti on (ML74[...]