Honeywell L404V manual

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Table of contents for the manual

  • Page 1

    PRODUCT DATA ® U.S. Registered Trademark © 2004 Honeywell International Inc. All Rights Reserved 71-2429—2 L404F,T,V PressureTrol ® Controllers APPLICATION L404F PressureTrol ® Controllers provide operating con trol with automatic limit pr otection for pressure systems of up to 2070 kPa, or 300 psi. L404T ,V PressureTrol® Controllers are for[...]

  • Page 2

    L404F ,T ,V PRESSURET ROL ® CONTROLLERS 71-2429—2 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 w oul d like to comment[...]

  • Page 3

    L404F ,T ,V PRESSURET ROL ® CONTROLLERS 3 71-2429—2 T able 2. Conversion T able. T able 3. Switch Ratings (Amperes). Pressure Sensin g Element: S tainless steel diaphragm (140 to 2070 kPa mode ls) has brass bellows. Maximum Ambient T emp erature: 66°C (150°F). Also, refer to note under Mou nting. Adjustment Means: Screws on top of control ca s[...]

  • Page 4

    L404F ,T ,V PRESSURET ROL ® CONTROLLERS 71-2429—2 4 IMPORT ANT When making pipe connecti ons, use pipe dope sparingly to seal the join ts; any excess dope may clog the small hole in the fitting and prevent the controller from operating properly . Location and Mounting (L404F) Locate the L404F where the am bie nt temperature will not exceed 66°C[...]

  • Page 5

    L404F ,T ,V PRESSURET ROL ® CONTROLLERS 5 71-2429—2 Fig. 4. Mounting an oil pressure control ler directly on the main pipe. Using with Preheated Oil When used with preheated oil, a siphon loop (part number 14026) must always be connect ed between th e controller and the main pipe (see F ig. 5) t o provide th ermal buf fering. Fig. 5. Mounting of[...]

  • Page 6

    L404F ,T ,V PRESSURET ROL ® CONTROLLERS 71-2429—2 6 Fig. 8. L404T ,V terminal b locks and internal sche matics. Fig. 9. Hook up of an oil pressure co ntroller used on a single burner system with an integral oil pump. Fig. 10. Hookup of an oil pressure controller used on a single burner or multiburner system with an exter nal oil pump. SETTINGS A[...]

  • Page 7

    L404F ,T ,V PRESSURET ROL ® CONTROLLERS 7 71-2429—2 CHECKOUT After the controller has been installed, wired and adjusted, it should be tested with the system in operation. Fi rst, allow the system to stabilize. Then, observe the operation of the controller while raising and loweri ng its setpoint. Pressure should increase when the setpoint is ra[...]

  • Page 8

    71-2429—2 G .R. Rev . 09 -04 www .ho neywell.com Automation and C ontrol Solutions Honeywell Internatio nal Inc. Honeywell Limited-Honeywe ll Limitée 1985 Douglas Drive North 35 Dynamic Drive Golden Valley, MN 55422 Scarborough, Ontario M1V 4Z9[...]