Instruction/ maintenance manual of the product 121371B Honeywell
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PRODUCT DATA 68-0040-04 Immersion W ells and Compression Fittings FOR T EMPERATURE CONTROLLERS APPLICATION Immersion wells, compression fittings and element hold ers are used with Aquastat® T emperature Controllers to hold the temperature sensing bulb in the controlled medium.
IMMERSION WELLS AND COMPRESSION FITTINGS 68-0040—04 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 .
IMMERSION WELLS A ND COMPRESSION FITTINGS 3 68-0040—04 Fig. 2. I mmersion wel l dimens ions and c omponents. INSULA TION DEPTH INSULA TION DEPTH INSULA TION DEPTH INSULA TION DEPTH INSULA TION DEPTH.
IMMERSION WELLS AND COMPRESSION FITTINGS 68-0040—04 4 T able 1. Coppe r Immersion Wells. T able 2. St ainless Steel, Mild Steel, and Mo nel Immersion Wells.
IMMERSION WELLS A ND COMPRESSION FITTINGS 5 68-0040—04 T able 3. Capillary Compression Fittings. Material Spu d Maximum Bulb Diameter Insulation Depth C apillary Diameter Part Number Brass 1/2-14 NPT 1/2 in. 1-5/16 i n. 5/64 in. 104484A 1/8 in. 7617M 1-1/2 in.
IMMERSION WELLS AND COMPRESSION FITTINGS 68-0040—04 6 T able 5. Immersion Well Accessorie s . Description Appli cation Size in in. (except where noted) Part Number Mounting clamp Holds capillary in p lace on 123869A-123872A; 122554A,B; 12255A,B,D,E; and 138134B-F Immersio n Wells.
IMMERSION WELLS A ND COMPRESSION FITTINGS 7 68-0040—04 GENERAL INFORMATION Immersion Wells An immersion well consists of a metal tube, called the well shell, closed on one end. A well spud externally thre aded to fit standard boiler tappings is welded or brazed on the open end.
IMMERSION WELLS AND COMPRESSION FITTINGS 68-0040—04 8 threaded end of the spud can extend into the controlled medium. Consider this additional length whe n determining how far the well extends into the controlled medium. The length of the well shell starting at the end of the spud defines the insertion length.
IMMERSION WELLS A ND COMPRESSION FITTINGS 9 68-0040—04 WARNING Electrical Shock Hazard or Equipment Dam age Hazard. Can cause sever injury , death or short equipme nt circuitry . Disconnect all power su pplies before installation. Most equipment manufacture rs provide a tapping for temperature controller sensin g element insertion.
IMMERSION WELLS AND COMPRESSION FITTINGS 68-0040—04 1 0 Fig. 6. Mounting spring clip into well spud . Securing Bulb in Wells with Setscrew Wells with a spud setscrew are designed for use with controllers that have armored capi llary with a brass collar at the bulb end of the armor .
IMMERSION WELLS A ND COMPRESSION FITTINGS 11 68-0040—04 Fig. 1 1. Mounting sensin g bulb and 31 12 66D Bulb Holde r in duct. NOTE: Dimensions shown in in. (mm). Duct Mounting with Capillary Compression Fitting In some duct-mount application, it is desira ble to use a compression fitting to reduce air l eakage at the sensing element location.
IMMERSION WELLS AND COMPRESSION FITTINGS 68-0040—04 1 2 Bulb Shields A bulb mounted outdoors requires protection of a bulb shield. 1. Expose the bulb to represent ative air temperature but not direct sunlight. 2. Mount it high enough so: a. Accumulated snow , leaves or other debris can- not obstruct air circulation around it.
IMMERSION WELLS A ND COMPRESSION FITTINGS 13 68-0040—04 CHECKOUT When installation is complete, check it as follows: 1. Visually inspect the fittings in hydronic applications for leakage. 2. If necessary , tighten these fittings. 3. Ensure excess capillary is coiled beneath the controller case.
IMMERSION WELLS AND COMPRESSION FITTINGS 68-0040—04 1 4 T able 8. Cross Referenc e . Old Part Number Description Replacem ent Part Number Notes 121371G Immersion well. Bra ss, 1/2-14 N PT , 1-1/2 in. insulation, 6-1/2 in. insertion, includes 121371 mounting clamp.
IMMERSION WELLS A ND COMPRESSION FITTINGS 15 68-0040—04.
Automation and Co ntrol Solutions Honeywell Internation al Inc. Honeywell Limited-Honeywell Limitée 1985 Douglas Dri ve North 35 Dynamic Drive Golden Valley, MN 55422 Toronto, Ontario M1V 4Z9 customer.honeywell.com IMMERSION WELLS AND COMPRESSION FITTINGS ® U.
An important point after buying a device Honeywell 121371B (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 121371B 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 121371B - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Honeywell 121371B you will learn all the available features of the product, as well as information on its operation. The information that you get Honeywell 121371B will certainly help you make a decision on the purchase.
If you already are a holder of Honeywell 121371B, 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 121371B.
However, one of the most important roles played by the user manual is to help in solving problems with Honeywell 121371B. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Honeywell 121371B 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
