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Table of contents for the manual
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Page 1
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 compre ssion fittings also prevent leakage of the c[...]
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Page 2
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 . If you have additional questions, need further information, or w oul d like to commen[...]
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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 INSULA TION DEPTH INSULA TION DEPTH INSERTION/MAX BULB LENGTH INSERTION/MAX BULB LENGTH INSERTION/MAX BULB LENGTH INSERTION/MAX BULB LENGTH INSERTION[...]
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Page 4
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. Spud in in. x 14 NPT Shell ID/ Bulb Diameter Insertion/ Max Bulb Length Insulation Depth Capillary Diameter Includes Part Number 1/2 3/8 3 1-1/2 5/64 121371 Mounting Clamp 121371A — — 123[...]
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Page 5
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. 5/64 in. 104484C 2 in. 5/64 in. 7617ABY 3/4-14 NPT 1-5/8 in. 5/64 in. 104484B 1 1/16 in[...]
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Page 6
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. 1/2 or 3/4 in. well spud; 5/64 capillary Sp r i n g c l i p Holds [...]
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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. See Fig. 1. The well is inserte d into the tank and the temperature s[...]
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Page 8
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. This is the active part of the well [...]
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Page 9
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. The tapping sh[...]
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Page 10
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 . The setscrew tightens against the brass collar . See Fig. 7. The[...]
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Page 11
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. For [...]
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Page 12
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. b. Children cannot r[...]
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Page 13
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. 4. Ensure proper operation by observing the system t[...]
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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. None — 121371N Immersion well. Copp er , 3/4-14 NP T , 3 in. insulation, 3 in. in[...]
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IMMERSION WELLS A ND COMPRESSION FITTINGS 15 68-0040—04[...]
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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.S. Registered T rademark © 2008 Honeywell International I nc. 68-0040—04 M.S. Rev . 0[...]