Honeywell C Users Manual 60 2107 L4031A,C Pool Heater Aquastat® Controller
L4031A 60-2107
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2015-01-23
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L4031A,C Pool Heater Aquastat® Controller PRODUCT DATA FEATURES • Pool control regulates pool water temperature. • L4031A pool side control is ambient-temperature compensated so changes in air temperature do not affect water temperature. • High limit provides shutdown protection to prevent boiler overheating. • L4031A provides automatic high limit reset. • L4031C requires manual high limit reset. • Each limit control has its own remote-bulb sensing element and snap switch for system control. GENERAL The L4031A,C Pool Heater Aquastat® units are designed to control pool water temperatures and provide high limit boiler control. Contents General ............................................................................... Features .............................................................................. Specifications ...................................................................... Ordering Information ........................................................... Installation ........................................................................... Setting and Checkout .......................................................... Material Safety Data Sheets ............................................... Copyright © 1995 Honeywell Inc. • All Rights Reserved 1 1 2 2 3 5 6 60-2107-5 L4031A,C POOL HEATER AQUASTAT® CONTROLLER Differential: L4031A: Fixed 2°F (1°C) or 5°F (3°C). When 5°F (3°C), the electrical rating is the High Limit Electrical Rating. L4031C: Fixed 5°F (3°C). SPECIFICATIONS IMPORTANT The specifications given in this publication do not include normal manufacturing tolerances. Therefore, this unit may not exactly match the listed specifications. Also, this product is tested and calibrated under closely controlled conditions, and some minor differences in performance can be expected if those conditions are changed. Electrical Rating: L4031A: Pilot Duty: 125 VA at 120 and 240 Vac. Powerpile® (millivoltage): 0.25A at 0.25 to 12 Vdc. L4031C: Same as high limit. Bulb Mounting: For list of compression fittings and immersion wells, refer to form 68-0040, Wells and Fittings for Temperature Controllers. Order separately. Models: L4031A Pool Heater Aquastat® Controller controls pool water temperature and provides automatic reset high limit boiler control. L4031C Pool Heater Aquastat® Controller controls pool water temperature and provides manual reset high limit boiler control. Length of Capillary: Standard, each 66 in. (1676 mm). Case Dimensions: See Fig. 1. High Limit Range: L4031A: 100°F to 240°F (38°C to 116°C) (each division represents 5°F degrees). L4031C: 110°F to 290°F (43°C to 143°C) (each division represents 5°F degrees). Switch Action: Each control opens on a temperature rise. Control Point Setting: Visible scale that can be set with an external screwdriver adjustment. Differential: L4031A: Fixed 5°F (3°C). L4031C: Manual reset. Finish: Gray. Electrical Rating (A): 120 Vac 240 Vac Full Load 8.0 5.1 Locked Rotor 48.0 30.6 Mounting Means: Three holes in back of case. Wiring Knockouts: Four, for 1/2 in. conduit. Powerpile ® (millivoltage) is 0.25A at 0.25 to 12 Vdc. Approvals: Underwriters Laboratories Inc. Component Recognized: File Number M466, Guide Number MBPR2. American Gas Association Design Certified: Report 23-11B (L4031A only). Canadian Standards Association Certified: File Number LR1620, Guide Number 400-E-O (L4031A only). Pool Control Range: L4031A: 40°F to 180°F (4°C to 82°C) (each division represents 5°F degrees). L4031C: 100°F to 240°F (40°C to 116°C) (each division represents 5°F degrees). ORDERING INFORMATION When purchasing replacement and modernization products from your TRADELINE® Wholesaler or your distributor, refer to the Tradeline® Catalog or price sheets for complete ordering number, or specify— 1. Order number. 2. Compression fittings or immersion wells, if desired. 3. Optional specifications, if desired. If you have additional questions, need further information, or would like to comment on our products or services, please write or phone: 1. Your local Honeywell Residential Sales Office (check the white pages of your phone directory). 2. Residential Division Customer Relations Honeywell, 1885 Douglas Drive North Minneapolis, Minnesota 55422-4386 In Canada—Honeywell Limited/Honeywell Limitée, 35 Dynamic Drive, Scarborough, Ontario M1V 4Z9. International Sales and Service offices in all principal cities of the world. 60-2107—5 2 L4031A,C POOL HEATER AQUASTAT® CONTROLLER Optional Specifications: L4031A: — Pool control dial marked WARMER-COOLER. — High limit capillary exiting from top or bottom of case. — Pool control range: 53°F to 107°F (12°C to 42°C), 100°F to 240°F (38°C to 116°C). — Factory-set pool control limits set at 115°F, 180°F, and 200°F (46°C, 82°C, and 93°C). — 5°F (3°C) differential on pool control. — Adjustable differential on high limit control. — Factory high limit stops set at 140°F, 145°F, 180°F, 195°F, 200°F, and 210°F (60°C, 63°C, 82°C, 91°C, 93°C, and 99°C). — Capillary lengths available at 16-1/2 (high limit only), 18, 30 (pool control only), 33, 40, and 96 in. (419, 457, 762, 838, 1016, and 2438 mm). — Case marked “Tankstat.” — No openings in cover. — Less dial stops on pool control or both sides. — No opening over high limit dial. — With adjusting knob on pool control; less jumper. When Installing this Product… ��� Read these instructions carefully. Failure to follow them could damage the product or cause a hazardous condition. ��� Check the ratings given in the instructions and on the product to make sure the product is suitable for your application. ��� Installer must be a trained, experienced service technician. ��� After installation is complete, check out product operation as provided in these instructions. CAUTION Disconnect power supply before beginning installation to prevent electrical shock or equipment damage. The L4031 can be mounted either vertically or horizontally on a wall or panel, or directly on a tank. This device can be installed with the case and bulbs as far apart as the tubing permits. In all cases, the equipment manufacturer directions should be followed, if available. If not, follow the general instructions in the Location section. L4031C: — Factory high limit stop set at 250°F (121°C). NOTE: Not all combinations of options are available. For information, contact your Honeywell Sales Representative or TRADELINE® Dealer. SIDE VIEW Location 1. Locate the high limit bulb in the hot water outlet header of the heater. Locate the pool control bulb in the return water header of the heater. 2. Uncoil no more tubing than needed. Sharp or repeated bending of the tubing can cause damage. 3. If the tubing is subjected to vibration, protect it against wear when it comes in contact with another surface. FRONT VIEW 3/8 (10) DIA. 11/16 (17) Mounting 4-1/2 (114) 1. Remove the cover by loosening the cover screw on the lower front of the controller. 2. Fasten the case to a convenient wall or panel with screws through the three mounting holes in the back of the case. 3. Replace cover. 5-7/8 (149) 2-1/4 (57) To Install Remote Bulb (Order Fittings or Wells Separately) 3-3/8 (86) 4-1/8 (105) NOTE: Bulb must be bottomed in well for correct response. M4537 Using Bulb Compression Fitting (Fig. 2) Fig. 1. Dimensions of L4031 in in. (mm). 1. 2. 3. 4. 5. INSTALLATION WARNING CAN CAUSE PROPERTY DAMAGE, SEVERE INJURY OR DEATH. This product is intended for use only in systems with a pressure relief valve. Screw the fitting into boiler or pipe tapping. Slide sealing washer onto bulb. Insert bulb into boiler fitting until bulb bottoms. Slide split sleeve into fitting. Place clamps A and B on assembly so sleeve is drawn into fitting when screws are tightened. NOTE: Make sure that nub on clamp A engages space between sleeve and clamp. 6. Tighten clamp screws evenly. 3 60-2107—5 L4031A,C POOL HEATER AQUASTAT® CONTROLLER CLAMP B CLAMP SCREWS (2) CLAMP A BULB COMPRESSION FITTING BULB SEALING WASHER JAWS SPREAD JAWS TO FIT OVER RIDGE ON SPUD OF WELL INSERTION LENGTH APPROX. 3-3/16 in. (81 mm) SPLIT SLEEVE SCREWDRIVER M8815 INSERT— MOUNTING CLAMP Fig. 2. 104486 Bulb compression fitting. DRAW NUT Using Capillary Compression Fitting (Fig. 3) MOUNTING CLAMP B 1. 2. 3. 4. Screw fitting into boiler or pipe tapping. Place packing nut on tubing. Slide bulb completely through fitting. Place composition disk and four slotted brass washers on tubing in the order shown in Fig. 3. Turn brass washers so that slots are 180 degrees apart. 5. Slide seal assembly into fitting and tighten packing nut. SPUD WELL BULB TUBING M8777 A Fig. 4. Immersion well fitting. IMMERSION BULB Wiring BOILER PLUG All wiring must comply with local codes and ordinances. CAPILLARY TUBING In all installations, follow the equipment manufacturer instructions. If not available, use hookups in Figs. 5, and 6. COMPOSITION DISK (SLOTTED) POOL CONTROL PACKING NUT HIGH LIMIT EXAMPLE OF SLOTTED WASHERS ASSEMBLED IN PAIRS: L4031 POOL HEATER AQUASTAT® CONTROLLER REVERSE-ACTING PRESSURE PILOTSTAT CONTOLLER M8816 GAS VALVE 2 Fig. 3. 104484 Capillary compression fitting. Using Immersion Well (Fig. 4) PUMP 1. Screw the well into the boiler or pipe tapping. 2. Insert the bulb into the well, pushing the tubing until the bulb bottoms in the well. 3. Attach the retainer clamp to the end of the well spud. Loosen the draw nut and spread the jaws of the clamp with a screwdriver if necessary. See Fig. 4. 4. With the retainer clamp attached to a well spud (be sure jaws of clamp hook over the ridge at the end of the spud, as shown at point A), adjust tubing to fit through retainer clamp groove, as shown at point B. 5. Tighten draw nut so retainer clamp is firmly attached to well spud and tubing is held securely in place. HEATING SWITCH 1 L1 (HOT) L2 1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. 2 WHEN HIGH LIMIT AND POOL CONTROL ARE CONNECTED IN SERIES, CURRENT DRAW OF CIRCUIT MUST NOT EXCEED ELECTRICAL RATING OF POOL CONTROL. M4539 Fig. 5. Typical L4031 connection providing pool temperature control and high limit protection. CAUTION Do not secure draw nut so tightly that retainer clamp could collapse tubing 60-2107—5 PUMP SWITCH 4 L4031A,C POOL HEATER AQUASTAT® CONTROLLER Checkout L4031 POOL HEATER AQUASTAT® CONTROLLER POOL CONTROL WARNING HIGH LIMIT CAN CAUSE PROPERTY DAMAGE, SEVERE INJURY OR DEATH. This product is intended for use only in systems with a pressure relieve valve. GAS BURNER CONTROL PP PP POWERPILE® GENERATOR TH1 TH2 Always conduct a thorough checkout when the installation is complete. Make sure the controller was installed and adjusted properly by putting it into operation and observing at least one complete cycle. Further adjustment can then be made to provide for more exact requirements. REVERSE-ACTING PRESSURE CONTOLLER M4538 Fig. 6. Typical L4031 connection in a self-generating gas system. POOL CONTROL POINT SETTING SCREW SETTING AND CHECKOUT HIGH LIMIT CONTROL POINT SETTING SCREW Setting To set the control point of each control, insert a screwdriver in the slotted head visible through the cover, and turn the dial of each control to the desired setting (Fig. 7). M4540 Because systems differ, the correct setting for one system may not apply to another. In all cases, the equipment manufacturer recommendations for setting should be followed. Fig. 7. Internal closeup view of L4031A pool heater Aquastat® Controller setting screws. 5 60-2107—5 L4031A,C POOL HEATER AQUASTAT® CONTROLLER 1-888-809-3787 60-2107—5 6 L4031A,C POOL HEATER AQUASTAT® CONTROLLER 7 60-2107—5 L4031A,C POOL HEATER AQUASTAT® CONTROLLER 1-888-809-3787 60-2107—5 8 L4031A,C POOL HEATER AQUASTAT® CONTROLLER 9 60-2107—5 L4031A,C POOL HEATER AQUASTAT® CONTROLLER 60-2107—5 10 L4031A,C POOL HEATER AQUASTAT® CONTROLLER 11 60-2107—5 L4031A,C POOL HEATER AQUASTAT® CONTROLLER Home and Building Control Honeywell Inc. Honeywell Plaza P.O. Box 524 Minneapolis, MN 55408-0524 60-2107—5 J. H. Home and Building Control Honeywell Limited-Honeywell Limitée 740 Ellesmere Road Scarborough, Ontario M1P 2V9 Rev. 5-95 Printed in U.S.A. 12 Helping You Control Your World QUALITY IS KEY customer.honeywell.com
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