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Table of contents for the manual
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Page 1
PRODUCT DAT A 71-2429-06 L404F ,T ,V PressureT rol ® Controllers APPLICATION L404F PressureTrol ® Controllers provide operating con trol with automatic limit protection for pressu re systems of up to 2070 kPa, or 300 psi. L404T ,V PressureTrol ® Controllers are for use on oil burner systems for pressures up to 1035 kPa or 150 psi. FEATURES • M[...]
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Page 2
L404F ,T ,V PRESSURET ROL ® CONTROLLERS 71-2429—0 6 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 comme[...]
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Page 3
L404F ,T ,V PRESSURET ROL ® CONTROLLERS 3 71-2429—0 6 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[...]
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Page 4
L404F ,T ,V PRESSURET ROL ® CONTROLLERS 71-2429—0 6 4 INST ALLATION When Inst alling This Product… 1. Read these instructions carefully . Failure to follow them could damage the product o r cause a hazardous condition. 2. Check on the ratings given in the instructions and marked on the product to make sure the product is suitable for your appl[...]
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Page 5
L404F ,T ,V PRESSURET ROL ® CONTROLLERS 5 71-2429—0 6 Fig. 3. T ypical locations of pressure co ntrollers in an oil b urner system. Fig. 4. Mounting an oil pressure controller directly o n the main p ipe. Using with Preheated O il When used with preheated oil, a sip hon loop must always be connected between the controller and the main pipe (see [...]
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Page 6
L404F ,T ,V PRESSURET ROL ® CONTROLLERS 71-2429—0 6 6 Fig. 7. L404F in a typical 2-wire control circuit. Fig. 8. L404T ,V terminal blocks and internal schema tics. Fig. 9. Hookup of an oil pressure contr oller used on a single burner system with an integral oil pu mp. Fig. 10. Hookup of an oil pressure controller used on a single burne r or mult[...]
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Page 7
L404F ,T ,V PRESSURET ROL ® CONTROLLERS 7 71-2429—0 6 Fig. 12. view of L 404 PressureT rol ® Controller . Scaleplate Adjustment The L404F ,T ,V has been carefully ca librated durin g manufacture and should not require recalibration. However , if recalib ration is nec essary , remove the cover and loosen the setscrews which hold the scaleplate. [...]
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Page 8
L404F ,T ,V PRESSURET ROL ® CONTROLLERS Automation and Control Solutions Honeywell Internationa l Inc. 1985 Douglas Drive North Golden Valley, MN 55422 Honeywell Limited-Honeywell Limitée 35 Dynamic Dr ive Toronto, Ontario M1V 4Z9 customer.honeywell.com ® U.S. Registered T rademark © 2010 Honeywell Internationa l Inc. 71-2429—06 M.S. Rev . 09[...]