Honeywell Thermostat L4006 User Manual - Honeywell Thermostat Manual Download


Sunday, April 5, 2020

Honeywell Thermostat L4006 User Manual

L4006A,B,E,H Aquastat® Controllers INSTALLATION INSTRUCTIONS 3. Installer must be a trained, experienced service APPLICATION technician. 4. After installation is complete, check out product These boiler-mounted, immersion type controllers operation as provided in these instructions. operate in response to temperature changes in hydronic heating systems. L4006A breaks the circuit on a temperature rise to the WARNING control setting. It is used for high limit or low limit control. Electrical Shock Hazard. When used as a controller or as a low limit, a separate Can cause serious injury, death or equipment high limit must be used. damage. Disconnect the power supply before beginning L4006B makes the circuit on a temperature rise. It is installation to prevent electrical shock or used as a circulator controller, delaying circulator equipment damage. operation when boiler water temperature is below the control setting. Installing Immersion Well Models L4006E,H includes a trip-free manual reset switch. (L4006A,B,E) These models are designed to break the control circuit whenever the temperature of the controlled medium IMPORTANT reaches the high limit setting. A reset button on the front Obtain the best thermal response with a well of the case must be pressed to re-establish the control that snugly fits the sensing bulb. The bulb circuit. L4006H also includes bracket and clamp for should be inserted until it rests against the surface mounting on pipe or tank. bottom of the well. Use a well of correct length and bend the tubing, if necessary, to provide A plastic bag of heat-conductive compound is included enough force to hold the bulb against the with the L4006A,B,E Aquastat® Controllers for use when bottom of the well. Do not make a sharp bend in the sensing bulb is inserted into a well designed for a the tubing. A sharp bend can produce a break in large bulb than the one used on the L4006A,B,E. A the tubing and cause a loss of fill. This condition 124904 Well Adapter, for use on old wells that do not fit will cause the high and low limit controls to be the L4006A,B,E immersion well clamp, can be ordered; made continuously. see form 68-0040, Wells and Fittings for Temperature Controllers.. A setting stop is included to prevent setting If the well is not a snug fit on the bulb, use the above a desired temperature on limit. heat-conductive compound as follows. Fold the plastic bag of compound lengthwise and twist If a well adapter or other accessories are needed, refer to gently. Snip the end of the bag and insert into form 68-0040, Wells and Fittings for Temperature the well. Slowly pull out the bag while squeezing Controllers, for part numbers and ordering information. firmly to distribute the compound evenly in the well. Insert the bulb into the well. Bend the tubing, if necessary, to provide force to hold the INSTALLATION bulb against the bottom of the well and to hold the out end of the bulb in firm contact with the side of the well. Wipe off any excess compound. When Installing This Product… 1. Read these instructions carefully. Failure to follow NOTE: Some models have an adjustable capillary them could damage the product or cause a tubing length to 3 inches (76 mm). In these hazardous condition. models, pull out extra tubing from inside the 2. Check the ratings given in the instructions and on case, if needed. the product to make sure the product is suitable for your application. Follow the boiler manufacturer instructions, if available; otherwise, proceed as follows. ® U.S. Registered Trademark Copyright © 2001 Honeywell • All Rights Reserved 60- 0915- 4 L4006A,B,E,H AQUASTAT® CONTROLLERS 1. Remove the old control. 2. Refer to the cover insert of the old control to identify and tag each lead as it is disconnected. 3. Leave the old well in place if it is suitable. SETPOINT INDICATING DIAL If Well is Otherwise Suitable But Does Not Fit The L4006 Immersion Well Clamp Use a 124904 Well Adapter (order separately, see form 68-0040) to secure the L4006 to the old well. The DIFFERENTIAL adapter has a flange at one end for fastening the L4066 ADJUSTMENT 1 WHEEL adapter clamp. ADAPTER CLAMP SCREWS 1. Loosen, but do not remove, the two adapter clamp screws (see Fig. 1). 2. Slide the adapter onto the capillary and short tube; see Fig. 2 inset. IMMERSION 3. Make sure the flanged end of the adapter fits into 2 WELL the hole in the case. Position the adapter well clamp snugly over the flange on the adapter, then tighten the clamp screws. 4. Insert the bulb into the well, as shown in Fig. 2. If 1 MODELS WITH FIXED DIFFERENBTIALS DO NOT INCLUDE necessary, use the heat-conductive compound as ADJUSTING WHEEL. instructed in the IMPORTANT statement on page 2 VERTICALLY MOUNTED IMMERSION WELL IS ATTACHED 1. TO THE BOTTOM OF THE CASE. M4679 5. Tighten the setscrew (if one is present in the old well spud) against the adapter. Fig. 1. Internal view of L4006A,B with horizontal well. L4006E is the same with reset button added. ADAPTER CLAMP BACK OF CASE ADAPTER CONTROLLER CASE BOILER IMMERSION ADAPTER 1 CLAMP WELL SPUD ADAPTER OLD IMMERSION SENSING WELL ASSEMBLY BULB (A) (C) (D) 2 (B) HEAT-CONDUCTIVE COMPOUND CAPILLARY TUBE SETSCREW SHORT TUBE FITS IN CENTRAL RECESS OF ADAPTER 1 SLIGHTLY BEND IN TUBES SHOULD HOLD BULB IN GOOD THERMAL CONTACT WITH THE WELL AT TWO OPPOSITE POINTS, AS IN (A) AND (B). 2 ASSURE THAT TUBES FIT FREELY IN ADAPTER SO THAT TENSION OF THE CAPILLARY TUBE AT POINT (C) HOLDS THE SENSING BULB IN GOOD THERMAL CONTACT WITH THE BOTTOM OF WELL AT POINT (D). M4678 Fig. 2. Bulb in immersion well and use of adapter. If the Old Well Is Unsuitable. 4. Loosen, but do not remove, the two adapter clamp 1. Drain the system and remove the well. screws (Fig. 1). 2. Select a new well from form 68-0040 (order well 5. Insert the sensing bulb into the well until it bottoms separately). as show in Fig. 2. Add heat-conductive compound, 3. Install the new well, refill the system and check for if necessary, as instructed in the IMPORTANT leaks. statement on page 1. 60-0915—4 2 L4006A,B,E,H AQUASTAT® CONTROLLERS 6. Make sure the end of the well fits into the hole in the case. Position the immersion well clamp snugly ENCLOSED over the well flange and tighten the clamp screw SENSING BULB securely. PIPE Mounting Surface Mount Model (L4006H) The L4006H is designed for surface mounting on piping or tanks and can be mounted in any position. When mounting the L4006H on piping, the pipe should ADJUSTABLE be 1 in. (25 mm) diameter or larger for accurate PIPE STRAP temperature sensing. 1. Remove any insulation from the pipe. 2. Thoroughly scrape off all scale, rust or paint. 3. Mount controller as shown in Fig. 3 using adjustable pipe strap furnished. When mounting the L4006H on a tank, use a pipe strap (not provided) of appropriate length for the tank. Fit the pipe strap through the slot in the mounting bracket. See Fig. 3. Wiring AQUASTAT¤ CONTROLLER CASE WARNING M8771 Electrical Shock Hazard. Can cause serious injury, death or equipment Fig. 3. Mount L4006H directly on surface. damage. Disconnect power supply before connecting wiring to avoid electrical shock or equipment 24 VOLT damage. THERMOSTAT 1 L4006A OR L4007A RA832A L1 L2 HIGH LIMIT SWITCHING RELAY (HOT) AQUASTAT¤ All wiring must comply with local codes and ordinances CONTROLLER regarding wire size, insulation, enclosure, etc. See Fig. 4 TT 2 1 and 5 for typical diagrams of Aquastat® Controllers used in heating systems. 2 1 IGNITION Use these Aquastat Controllers with copper wire only. 4 XX4 CIRCULATOR L4006B OR L4007B 3 CIRCULATOR AQUASTAT¤ CONTROLLER BURNER 2 T L4006A OR L4007A LOW LIMIT AQUASTAT¤ CONTROLLER T PROTECTORELAY¤ CONTROL 1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. 2 USE L4006E FOR MANUAL RESET. M2855A Fig. 4. Hookup for oil-fired, summer-winter, hydronic system with domestic hot water. This is typical where control for domestic hot water is added, or where each Aquastat Controller is mounted in a separate location. 3 60-0915—4 L4006A,B,E,H AQUASTAT® CONTROLLERS ADJUSTMENT 24 VOLT THERMOSTAT LOW WATER PRESSURE Set the differential to correspond with the boiler CUTOFF CONTROL manufacturer recommendations. To adjust models with L1 adjustable differential, rotate the wheel on the back of the (HOT) L2 snap switch until the desired reading is aligned with the V 1 notch in the frame. The wheel provides an adjustment 2 L4006A OR from 5°F to 30°F (3°C to 17°C). Replace the cover on the L4007A LOW LIMIT GAS PILOTSTAT¤ Aquastat Controller. AQUASTAT¤ VALVE CONTROL CONTROLLER Adjust the control point to correspond with the boiler 1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND manufacturer recommendations. To adjust, insert a OVERLOAD PROTECTION AS REQUIRED. screwdriver in the slotted screw type head located M2856 beneath the window in the cover. Turn the scale to the 2 USE L4006E FOR MANUAL RESET. desired control point. Fig. 5. Typical hookup for gas-fired system with domestic hot water. Manual Reset When the device includes manual reset (L4006E and H), be sure to press the red reset button on the front of the OPERATION case to make sure that the controller is not locked out on safety. When checking out the system, adjust the control For proper selections of settings, follow boiler point low enough so the temperature of the controlled manufacturer recommendations: medium reaches the high limit setting, the burner shuts off, and the Aquastat Controller locks out. When the 1. High limit controller: Shuts off burner when water temperature of the controlled medium drops to the high temperature exceeds high limit setting. Burner limit setting minus differential, push the manual reset restarts when temperature drops to high limit button and the system should be operative again. Reset setting minus the temperature differential. control to proper high limit setting. NOTE: If L4006E or H, see Manual Reset section. CHECKOUT 2. Low limit controller: Maintains minimum boiler tem- perature for domestic hot water. Turns boiler on at Check to make certain that the Aquastat Controller has temperature setting, less differential. been installed and adjusted properly. Put the system into 3. Circulator controller: Prevents circulation of water operation and observe the action of the device through that is not hot enough. Breaks circulator circuit at several cycles to make certain that it provides proper temperature setting minus differential and remakes control of the system as described in the Operations at setting. section. Further adjustments can be made to meet more exact comfort requirements. 60-0915—4 4 L4006A,B,E,H AQUASTAT® CONTROLLERS MATERIAL SAFETY DATA SHEET Section 1. Product And Company Date Released: October 8, 1999 Identification Customer Response Center: 800-328-5111 Product Name: Heat Conductive Compound Emergency Telephone Information: 888-809-3787 MSDS ID: DS9021 NFPA Ratings: Synonyms: MS1699 Health 0; Flammability 1; Reactivity 0; Personal Pro- Product Use: Heat conductive material used to enhance tection B contact and heat transfer in temperature sensor applications. Section 2. Composition, Information on Manufacturer: Honeywell Inc., 1985 Douglas Drive North, Ingredients Minneapolis, MN 55422. Ingredient CAS Number Percent PEL TVL #2 Lithium Complex Grease (70%): Mineral Oil 64742-65-0 35-50 5 mg/m3 5 mg/m3 Mineral Oil 64742-62-7 20-25 5 mg/m3 5 mg/m3 Lithium Hydrostearate/Sebacate 68815-49-6 4-9 — — Complex Zinc Alkyldithiophosphate 68649-42-3 0-2 — — Aluminum Paste (30%): Aluminum, as Al 7429-90-5 20-25 15 mg/m3 10 mg/m3 Aliphatic Petroleum Distillates 8052-41-3 10-15 2900 mg/m3 525 mg/m3 Stearic Acid 57-11-4 1-2 — — Aromatic Petroleum Distillates 64742-95-6 1-2 5 mg/m3 5 mg/m3 Additional Information: Part No. 120650 (0.5 oz tube); Part No. 107408 (4 oz can); Part No. 197007 (5 gallon container). May also contain minute amounts of lithium and molybdenum lubricant compounds. Section 3. Hazard Identification Skin Contact: Remove excess with cloth or paper. Wash thoroughly with mild soap and water. Obtain medical attention if irritation develops and persists. Acute Health Effects: Skin: Excessive contact may cause skin irritation and Ingestion: Contact physician or local poison control dermatitis. center immediately. Eye: Direct contact with eye will cause irritation. Inhalation: Remove patient to fresh air and obtain medical attention if symptoms develop. Inhalation: No adverse effects are expected. Ingestion: Ingestion of product may cause nausea, Section 5. Fire Fighting Measures vomiting and diarrhea. Material Flash Point: > 383°F (195°C). Will burn if exposed to flame. Chronic Health Effects: Extinguishing Media: Carbon dioxide, dry chemical or Existing skin rash or dermatitis may be aggravated by foam. repeated contact. Special Fire Fighting Procedures: None. OSHA Hazard Classifications: None. Explosion Hazards: None. Aluminum powder can Carcinogenicity: Not considered to be a carcinogen by react with water to release flammable hydrogen gas. either OSHA, NTP, IARC, or ACGIH. In the form of this product, this reaction is not expected. Section 4. First Aid Measures Eye Contact: Flush eyes with water for 15 minutes. Section 6. Accidental Release Measures Remove any contact lenses and continue to flush. Scrape up and dispose of as solid waste in Obtain medical attention if irritation develops and accordance with state and federal regulations. persists. 5 60-0915—4 L4006A,B,E,H AQUASTAT® CONTROLLERS Section 7. Handling and Storage Incompatibilities: Strong oxidizing agents and halogens. Store in dry place. Keep container closed when not in use. Hazardous Decomposition Products: Carbon dioxide, carbon monoxide. Section 8. Exposure Controls and Personal Protection. Section 11. Toxicology Information. Ventilation: No special ventilation is required when No data available. working with this product. Respiratory Protection: None required. Section 12. Ecological Information Chemical Fate Information: Hydrocarbon components Eye Protection: Not normally required. However, use will biodegrade in soil; relatively persistent in water. chemical safety goggles or faceshield if potential for eye contact exists, especially if material is heated. Section 13. Disposal Consideration Hand/Clothing Protection: Not normally required. Pro- Dispose of as solid waste in accordance with local, tective gloves and clothing are recommended, as state and federal regulations. material is difficult to remove from skin and clothing. Other Protective Equipment: None required. Section 14. Transportation Information DOT Classification: Not classified as hazardous. Section 9. Physical and Chemical Section 15. Regulatory Information Properties SARA Title III Supplier Notification: Include in Section Appearance/Odor: Aluminum color, semi-solid 311/312 inventory reports if amounts exceed 10,000 material, pleasant odor. pounds. Aluminum compounds are subject to the reporting requirements under Section 313 of Solubility in Water: Negligible. Emergency Planning and Community Right-To-Know Act of 1986 (40 CFR 372). Ingredients listed in TSCA Specific Gravity: 0.86. Inventory. Section 10. Stability and Reactivity Section 16. Other Information Stability: Stable. This information is furnished without warranty, expressed or implied, except that is is accurate to the Reactivity: Hazardous polymerization will not occur. best of our knowledge. Prepared by: PROSAR, 1295 Bandana Boulevard, Suite 335, St. Paul, MN 55108 (651-917-6100).

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