Instruction/ maintenance manual of the product L404T Honeywell
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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.
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 .
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).
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.
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.
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.
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.
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.
An important point after buying a device Honeywell L404T (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 L404T 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 L404T - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Honeywell L404T you will learn all the available features of the product, as well as information on its operation. The information that you get Honeywell L404T will certainly help you make a decision on the purchase.
If you already are a holder of Honeywell L404T, 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 L404T.
However, one of the most important roles played by the user manual is to help in solving problems with Honeywell L404T. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Honeywell L404T 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
