Honeywell Thermostat L4006E User's Manual
Contents
1. Fig 5 Typical hookup for gas fired system with domestic hot water OPERATION For proper selections of settings follow boiler manufacturer recommendations 1 High limit controller Shuts off burner when water temperature exceeds high limit setting Burner restarts when temperature drops to high limit setting minus the temperature differential NOTE If L4006E or H see Manual Reset section 2 Low limit controller Maintains minimum boiler tem perature for domestic hot water Turns boiler on at temperature setting less differential 3 Circulator controller Prevents circulation of water that is not hot enough Breaks circulator circuit at temperature setting minus differential and remakes at setting 60 0915 4 ADJUSTMENT Set the differential to correspond with the boiler manufacturer recommendations To adjust models with adjustable differential rotate the wheel on the back of the snap switch until the desired reading is aligned with the V notch in the frame The wheel provides an adjustment from 5 F to 30 F 3 C to 17 C Replace the cover on the Aquastat Controller Adjust the control point to correspond with the boiler manufacturer recommendations To adjust insert a screwdriver in the slotted screw type head located beneath the window in the cover Turn the scale to the desired control point Manual Reset When the device includes manual reset L4006E and H be sure to press the red reset button on th2. 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 2 3 screws Fig 1 5 Insert the sensing bulb into the well until it bottoms as show in Fig 2 Add heat conductive compound if necessary as instructed in the IMPORTANT statement on page 1 Drain the system and remove the well Select a new well from form 68 0040 order well separately Install the new well refill the system and check for leaks 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 over the well flange and tighten the clamp screw securely 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 be 1 in 25 mm diameter or larger for accurate 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 AA WARNING Electrical Shock Hazard Can cause serious injury death or equipment damage Disconnect p
3. Honeywell L4006A B E H Aquastat Controllers APPLICATION These boiler mounted immersion type controllers operate in response to temperature changes in hydronic heating systems L4006A breaks the circuit on a temperature rise to the control setting It is used for high limit or low limit control When used as a controller or as a low limit a separate high limit must be used L4006B makes the circuit on a temperature rise It is used as a circulator controller delaying circulator operation when boiler water temperature is below the control setting L4006E H includes a trip free manual reset switch These models are designed to break the control circuit whenever the temperature of the controlled medium reaches the high limit setting A reset button on the front of the case must be pressed to re establish the control circuit L4006H also includes bracket and clamp for surface mounting on pipe or tank A plastic bag of heat conductive compound is included with the L4006A B E Aquastat Controllers for use when the sensing bulb is inserted into a well designed for a large bulb than the one used on the L4006A B E A 124904 Well Adapter for use on old wells that do not fit the L4006A B E immersion well clamp can be ordered see form 68 0040 Wells and Fittings for Temperature Controllers A setting stop is included to prevent setting above a desired temperature on limit If a well adapter or other accessories are needed r
4. Section 2 Composition Information on Ingredients Ingredient CAS Number Percent PEL TVL 2 Lithium Complex Grease 70 Mineral Oil 64742 65 0 35 50 5 mg m 5 mg m Mineral Oil 64742 62 7 20 25 5 mg m 5 mg m 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 m 10 mg m Aliphatic Petroleum Distillates 8052 41 3 10 15 2900 mg m3 525 mg m Stearic Acid 57 11 4 1 2 Aromatic Petroleum Distillates 64742 95 6 1 2 5 mg m 5 mg m 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 Acute Health Effects Skin Excessive contact may cause skin irritation and dermatitis Eye Direct contact with eye will cause irritation Inhalation No adverse effects are expected Ingestion Ingestion of product may cause nausea vomiting and diarrhea Chronic Health Effects Existing skin rash or dermatitis may be aggravated by repeated contact OSHA Hazard Classifications None Carcinogenicity Not considered to be a carcinogen by either OSHA NTP IARC or ACGIH Section 4 First Aid Measures Eye Contact Flush eyes with water for 15 minutes Remove any contact lenses and continue to flus
5. e front of the case to make sure that the controller is not locked out on safety When checking out the system adjust the control point low enough so the temperature of the controlled medium reaches the high limit setting the burner shuts off and the Aquastat Controller locks out When the temperature of the controlled medium drops to the high limit setting minus differential push the manual reset button and the system should be operative again Reset control to proper high limit setting CHECKOUT Check to make certain that the Aquastat Controller has been installed and adjusted properly Put the system into operation and observe the action of the device through several cycles to make certain that it provides proper control of the system as described in the Operations section Further adjustments can be made to meet more exact comfort requirements L4006A B E H AQUASTAT CONTROLLERS MATERIAL SAFETY DATA SHEET Section 1 Product And Company Identification Product Name Heat Conductive Compound MSDS ID DS9021 Synonyms MS1699 Product Use Heat conductive material used to enhance contact and heat transfer in temperature sensor applications Manufacturer Honeywell Inc 1985 Douglas Drive North Minneapolis MN 55422 Date Released October 8 1999 Customer Response Center 800 328 5111 Emergency Telephone Information 888 809 3787 NFPA Ratings Health 0 Flammability 1 Reactivity 0 Personal Pro tection B
6. efer to form 68 0040 Wells and Fittings for Temperature Controllers for part numbers and ordering information INSTALLATION a Installing This Product Read these instructions carefully Failure to follow them could damage the product or cause a hazardous condition 2 Check the ratings given in the instructions and on the product to make sure the product is suitable for your application U S Registered Trademark Copyright 2001 Honeywell All Rights Reserved INSTALLATION INSTRUCTIONS 3 Installer must be a trained experienced service technician 4 After installation is complete check out product operation as provided in these instructions A WARNING Electrical Shock Hazard Can cause serious injury death or equipment damage Disconnect the power supply before beginning installation to prevent electrical shock or equipment damage Installing Immersion Well Models L4006A B E IMPORTANT Obtain the best thermal response with a well that snugly fits the sensing bulb The bulb should be inserted until it rests against the bottom of the well Use a well of correct length and bend the tubing if necessary to provide enough force to hold the bulb against the bottom of the well Do not make a sharp bend in the tubing A sharp bend can produce a break in the tubing and cause a loss of fill This condition will cause the high and low limit controls to be made continuously If the well is not a snug fit on t
7. h Obtain medical attention if irritation develops and persists Skin Contact Remove excess with cloth or paper Wash thoroughly with mild soap and water Obtain medical attention if irritation develops and persists Ingestion Contact physician or local poison control center immediately Inhalation Remove patient to fresh air and obtain medical attention if symptoms develop Section 5 Fire Fighting Measures Material Flash Point gt 383 F 195 C Will burn if exposed to flame Extinguishing Media Carbon dioxide dry chemical or foam Special Fire Fighting Procedures None Explosion Hazards None Aluminum powder can react with water to release flammable hydrogen gas In the form of this product this reaction is not expected Section 6 Accidental Release Measures Scrape up and dispose of as solid waste in accordance with state and federal regulations 5 60 0915 4 L4006A B E H AQUASTAT CONTROLLERS Section 7 Handling and Storage Store in dry place Keep container closed when not in use Section 8 Exposure Controls and Personal Protection Ventilation No special ventilation is required when working with this product Respiratory Protection None required Eye Protection Not normally required However use chemical safety goggles or faceshield if potential for eye contact exists especially if material is heated Hand Clothing Protection Not normally required Pro tective gloves and cl
8. he bulb use the heat conductive compound as follows Fold the plastic bag of compound lengthwise and twist gently Snip the end of the bag and insert into the well Slowly pull out the bag while squeezing 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 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 NOTE Some models have an adjustable capillary tubing length to 3 inches 76 mm In these models pull out extra tubing from inside the case if needed Follow the boiler manufacturer instructions if available otherwise proceed as follows 60 0915 4 L4006A B E H AQUASTAT CONTROLLERS 1 2 3 If Well is Otherwise Suitable But Does Not Fit The L4006 Immersion Well Clamp Use a 124904 Well Adapter order separately see form 68 adapter has a flange at one end for fastening the L4066 adapter clamp 1 2 Remove the old control Refer to the cover insert of the old control to identify and tag each lead as it is disconnected Leave the old well in place if it is suitable SETPOINT INDICATING DIAL 0040 to secure the L4006 to the old well The wy DIFFERENTIAL ADJUSTMENT WHEEL ADAPTER CLAMP SCREWS Loosen but do not remove the two adapter clamp screws see Fig 1 Slide the adapter onto the capil
9. lary and short tube see Fig 2 inset Make sure the flanged end of the adapter fits into the hole in the case Position the adapter well CH clamp snugly over the flange on the adapter then tighten the clamp screws IMMERSION A WELL Insert the bulb into the well as shown in Fig 2 If IN MODELS WITH FIXED DIFFERENBTIALS DO NOT INCLUDE necessary use the heat conductive compound as ADJUSTING WHEEL instructed in the IMPORTANT statement on page A VERTICALLY MOUNTED IMMERSION WELL IS ATTACHED 1 TO THE BOTTOM OF THE CASE kisz 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 GA CASE BOILER ADAPTER IMMERSION ES ae CLAMP A WELL SPUD SENSING BULB OLD IMMERSION ASSEMBLY OPPS RL y oA XI ZST SIR RR RR SR L SREI SRK KKK KR A o NS HEAT CONDUCTIVE COMPOUND CAPILLARY TUBE SETSCREW SHORT TUBE FITS IN CENTRAL RECESS OF ADAPTER A SLIGHTLY BEND IN TUBES SHOULD HOLD BULB IN GOOD THERMAL CONTACT WITH THE WELL AT TWO OPPOSITE POINTS AS IN A AND B A 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 Mas78 Fig
10. ledge Prepared by PROSAR 1295 Bandana Boulevard Suite 335 St Paul MN 55108 651 917 6100 60 0915 4 60 0915 4 L4006A B E H AQUASTAT CONTROLLERS Honeywell Automation and Control Solutions Automation and Control Solutions Honeywell 1985 Douglas Drive North Golden Valley MN 55422 60 0915 4 G R Rev 12 01 Honeywell Limited Honeywell Limit e 35 Dynamic Drive Scarborough Ontario MIV 4Z9 Printed in U S A on recycled paper containing at least 10 post consumer paper fibers www honeywell com
11. othing are recommended as material is difficult to remove from skin and clothing Other Protective Equipment None required Section 9 Physical and Chemical Properties Appearance Odor Aluminum color semi solid material pleasant odor Solubility in Water Negligible Specific Gravity 0 86 Section 10 Stability and Reactivity Stability Stable Reactivity Hazardous polymerization will not occur Incompatibilities Strong oxidizing agents and halogens Hazardous Decomposition Products Carbon dioxide carbon monoxide Section 11 Toxicology Information No data available Section 12 Ecological Information Chemical Fate Information Hydrocarbon components will biodegrade in soil relatively persistent in water Section 13 Disposal Consideration Dispose of as solid waste in accordance with local state and federal regulations Section 14 Transportation Information DOT Classification Not classified as hazardous Section 15 Regulatory Information SARA Title III Supplier Notification Include in Section 311 312 inventory reports if amounts exceed 10 000 pounds Aluminum compounds are subject to the reporting requirements under Section 313 of Emergency Planning and Community Right To Know Act of 1986 40 CFR 372 Ingredients listed in TSCA Inventory Section 16 Other Information This information is furnished without warranty expressed or implied except that is is accurate to the best of our know
12. ower supply before connecting wiring to avoid electrical shock or equipment damage All wiring must comply with local codes and ordinances regarding wire size insulation enclosure etc See Fig 4 and 5 for typical diagrams of Aquastat Controllers used in heating systems Use these Aquastat Controllers with copper wire only ENCLOSED SENSING BULB PIPE ADJUSTABLE a AQUASTATa CONTROLLER CASE M8771 Fig 3 Mount L4006H directly on surface 24 VOLT THERMOSTAT AAA L4006A OR L4007A 2 HIGH LIMIT AQUASTATa CONTROLLER RA832A L1 L SWITCHING RELAY HOT L4006B OR L4007B CIRCULATOR AQUASTATo CONTROLLER L4006A OR L4007A LOW LIMIT AQUASTATa CONTROLLER PROTECTORELAYo CONTROL A POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED A USE L4006E FOR MANUAL RESET M2BS5A 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 60 0915 4 L4006A B E H AQUASTAT CONTROLLERS 24 VOLT THERMOSTAT LOW WATER CUTOFF Ed PRESSURE CONTROL Li ian Hon A ZA Laoosn OR L4007A LOW LIMIT GAS PILOTSTATo AQUASTATa VALVE CONTROL CONTROLLER A POWER SUPPLY PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED AA USE L4006E FOR MANUAL RESET vn
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