Instruction/ maintenance manual of the product ML6425 Honeywell
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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.
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 .
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.
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.
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.
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.
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.
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.
An important point after buying a device Honeywell ML6425 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Honeywell ML6425 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Honeywell ML6425 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Honeywell ML6425 you will learn all the available features of the product, as well as information on its operation. The information that you get Honeywell ML6425 will certainly help you make a decision on the purchase.
If you already are a holder of Honeywell ML6425, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Honeywell ML6425.
However, one of the most important roles played by the user manual is to help in solving problems with Honeywell ML6425. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Honeywell ML6425 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
