Related Manuals for L.B. White Pilot Light Ignition
Summary of Contents for L.B. White Pilot Light Ignition
- Page 1 Pilot Light Ignition Agricultural Animal Confinement Building Heaters Installation and Service Guide 150-22003...
- Page 2 Parts illustrations and information for all L.B. White pilot ignition heaters is included. Illustrations in the various sections may not necessarily depict the actual heater model and are intended for reference only.
- Page 3 — Electrical shock Read this Service Guide before installing or servicing this heater. Only properly-trained service people should repair or install L.B. White heaters. Replacement labels are available at no charge. For assistance, contact L.B. White at 1-800-345-7200. WARNING Proper gas supply pressure must be provided to the inlet of the heater.
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Page 4: Table Of Contents
Table of Contents Section 1 General Information Section/Page Basic Unit Description and Application ........1.1 Key Markings;... -
Page 7: Basic Unit Description And Application
Interior or exterior of burner end access panel. AGRICULTURAL BUILDING HEATER Part No.: L. B. WHITE CO., INC. W6636 L.B. WHITE ROAD ONALASKA, WI 54650 608/783-5691 Varies with design sequence and model number. Contact L.B. White Co. B. Start Up and Shut Down Procedures... -
Page 8: Heater Specifications
General Information Heater Specifications M M o o d d e e l l SPECIFICATIONS AS040 L.P. Natural L.P. Natural L.P. Natural L.P. Natural Maximum Input (BTUH) 60,000 115,000 170,000 40,000 Minimum Input (BTUH) 15,000 Ventilation Air Required 250 CFM 600 CFM 760 CFM 220 CFM... - Page 9 General Information Heater Specifications M M o o d d e e l l AB200 AB250 SPECIFICATIONS L.P. Natural L.P. Natural Maximum Input (BTUH) 200,000 250,000 Minimum Input (BTUH) 160,000 Ventilation Air Required 760 CFM 1100 CFM to Support Combustion 13.5 in.
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Page 10: Safety Precautions
WARNING Asphyxiation H H azard Do not use this heater for heating human living quarters. the L.B. White Company to determine combustion air ventilation requirements of the heater. Do not use in unventilated areas. Lack of proper ventilation air will lead to improper The flow of combustion and ventilation air must not be combustion. -
Page 11: General
The hose assembly shall be protected from animals, 2. All installations and applications of L.B. White heaters building materials, and contact with hot surfaces must meet all relevant local, state and national codes. - Page 12 General Information Safety Precautions three-prong receptacle. Failure to use a properly 15. Non-hanging heater installations that do not use an grounded receptacle can result in electrical shock, approved gas hose assembly must conform to local personal injury, or death. gas code requirements. In absence of local codes, follow ANSI/NFPA58, Standard for Storage and 14.
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Page 13: Gas Supply
L.P. gas liquid withdrawal system or Can c c ause p p roperty d d amage, s s evere i i njury o o r d d eath. application. If you are in doubt, contact the L.B. White Co., Inc. -
Page 14: Pipe Sizing
Installation Instructions Pipe Sizing GENERAL I I NFORMATION c. The information in the pipe sizing tables was obtained Pipe sizing is critical to the proper operation of any gas from Engineered Control International, Inc., L.P. Gas heating system. However, piping is dependent on several Serviceman’s Manual L545. - Page 15 Installation Instructions Pipe Sizing EXAMPLE (Refer to Fig 2) IMPORTANT: If exact length is not on chart, use next longer c. Section C to D must supply a load of 750,000 BTUH. length. Select the size of pipe that shows at least as much Select 3/4 inch pipe for Section C to D.
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Page 16: Tank Sizing
Installation Instructions Tank Sizing pressure washers, water heaters, etc., that will be ATTENTION drawing vapor from the tanks. The following is supplied for informational purposes --- The heat input rating is located on the dataplate. only. The coldest outside air temperature at night that the Consult your LP gas supplier for specific requirements. -
Page 17: Tank Location And Installation
Installation Instructions Tank Location and Installation Tanks should be placed in a location pleasing to the ATTENTION customer that does not conflict with state or local regulations or NFPA 58 (Storage and Handling of Liquefied The following is supplied for informational purposes Petroleum Gases). -
Page 18: Lp Gas Tank Manifolding
Installation Instructions LP Gas Tank Manifolding ATTENTION The following is supplied for informational purposes However, when tanks are manifolded together, never use a only. first-stage regulator at each tank. If this is done, the total required capacity for the installation may not be obtained. It Tank manifolding shall only be accomplished by a is almost impossible to set all regulators at the identical qualified LP gas installation person. -
Page 19: Manual Shut-Off Valve, Hose And Regulator Assembly
Contact the regulator, under the eave of the building, or after the L.B. White Co., Inc. if you have any questions. regulator inside the building. REGULATOR... -
Page 20: Sediment Trap
Installation Instructions Sediment Trap Assemble the tee, nipples and cap together and tighten Make certain that a sediment trap is installed at the gas valve inlet to prevent foreign materials (pipe compound, pipe securely. The sediment trap assembly must always be chips and scale) from entering the gas valve. -
Page 21: Requirements
Installation Instructions Electrical Requirements Strict attention must be given to the following areas before ATTENTION connecting the heater to its electrical supply. The following is supplied for informational purposes A properly installed three-wire electrical supply only. consisting of separate hot, neutral, and ground leads shall be connected to each electrical outlet that All electrical wiring shall be accomplished by a supplies each heater. - Page 22 Installation Instructions Remote Thermostat Models 3 3 46/348, 3 3 77/379, 4 4 08/410 1. Disconnect the heater from its electrical supply and close all fuel supply valves to the inlet of the heater. 2. Locate the two wires labeled “power supply to thermostat”...
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Page 23: As040
Installation Instructions Remote Thermostat Models 3 3 46/348, 3 3 77/379, 4 4 08/410 ( ( Cont.) 4. Remove the electrical knock-out hole located directly above the bushing that the power cord is routed through. 9. Reconnect the heater to its electrical supply and open Install a two-screw squeeze connector into this hole and the fuel supply valves to the inlet of the heater. - Page 24 Installation Instructions Remote Thermostat Model A A S040 ( ( Cont.) Model A A B200 a a nd A A B250 7. Attach the ground lead terminal to the ground screw in 1. Disconnect the heater from its electrical supply and the enclosure.
- Page 25 Installation Instructions Remote Thermostat Model A A B200 a a nd A A B250 7. Push the exposed conductors of the power supply and 5. Secure the cord in place at the entry hole on the case power return leads beneath the terminal strip screw front with the strain relief provided in the thermostat kit.
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Page 26: Hanging Instructions
Installation Instructions Hanging Instructions 1. Assemble according to the illustration and tighten all 2. Make sure the heater is properly positioned before eyebolts securely. use and is hung level. Observe and obey all minimum safe distances of the heater to the nearest combustible materials. -
Page 27: Air Diverters
Installation Instructions Air Diverters Depending on model number, two designs of air diverters a. The air diverter’s notched tabs on each half will may be available for your heater. The air diverters allow the pop into the blower outlet between the inside of hot discharge air to be blown out either in two 45 degree the case assembly and the blower housing outlet. - Page 28 Installation Instructions Air Diverters One-P P iece A A ir D D iverter 3. Push down on the diverter to lock it into position. 1. Loosen the four blower outlet screws. Tighten the outlet screws. 2. Align the keyhole slots in the mounting flanges with each outlet screw.
- Page 29 Operation Instructions Start-Up and Shut-Down Instructions Start-U U p I I nstructions Determine the pilot control valve type supplied on the heater. Connect the heater’s power cord to an approved electrical supply. For heater with gas control valves with an internal low pressure regulator and gas shut off, refer to Section A.
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Page 30: Section 3 Operation Instructions
Operation Instructions Start-Up and Shut-Down Instructions Shut-D D own I I nstructions If the heater is to be shut down for cleaning, maintenance, or If applicable, turn the control valve knob to “Off”. repair, follow steps 1 through 5. Otherwise, simply turn the thermostat to “Off”... -
Page 31: Variable Heat Output
Operation Instructions Variable Heat Output 1. Some models of propane (LP) gas or natural gas 2. The throttle valve can be adjusted to deliver either heaters have a throttle valve for varying heat output minimum heat or maximum heat. Become located between the gas control valve and gas familiarized with the design of the throttle valve in your manifold assemblies. -
Page 33: Section 4 Preventative Maintenance
L.B. White Co., Inc. Dataplates, start- 4. Regulators can wear out and function improperly. up and shut-down instructions and warnings are Have your gas supplier check the date codes on all available at no cost. -
Page 34: Cleaning Instructions
Preventative Maintenance Cleaning Instructions WARNING Fire, B B urn, a a nd E E xplosion H H azard This heater contains electrical and mechanical components in the gas management, safety and airflow systems. Such components may become inoperative or fail due to dust, dirt, wear, aging, or the corrosive atmosphere of an animal confinement building. -
Page 35: Troubleshooting Guide
5.1-9 • Low P P ressure G G auge - (L.B. White Part No. 550-00764) for 11 Gas control valve “chatters”. 5.1-10 checking inlet and manifold pressures of the gas control valve against dataplate rating. -
Page 36: Troubleshooting
Troubleshooting Instructions Troubleshooting Pilot Flame ATTENTION These illustrations are intended to provide a means to With any pilot light assembly, always make sure the assist you in troubleshooting a pilot problem. They thermocouple is completely installed within the pilot must be used in conjunction with proper cleaning, bracket by either its mounting clip or nut. - Page 37 August 1999 5.1-3 3...
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Page 47: Voltage Checks
Voltage Checks Procedure Checking f f or v v oltage s s upply t t o h h igh l l imit s s witch. Testing for voltage at any of the components is a relatively Apply the probe to the power input side of the limit switch easy procedure. -
Page 48: Continuity Checks
Component Testing Continuity Checks Continuity C C hecks High L L imit S S witch Equipment r r equired: Digital Volt/Ohm Meter Explanation: In a continuity test, you simply want to determine whether or not an electrical pathway exists through a component. For these tests, it is important that the probes of the multimeter make good contact with the part being tested. - Page 49 Component Testing Continuity Checks Attention Thermostat Many thermostats can be wired to open or close on an increase in temperature. Make sure the thermostat is wired properly so the contacts close when the thermostat is set to a point above room temperature and open when the temperature is achieved.
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Page 50: Thermocouple And Power Unit Tests
Component Testing Thermocouple and Power Unit Tests PILOT Equipment R R equired: BURNER THERMOCOUPLE Volt / Ohm Meter with DC Scale Thermocouple Test Kit, Part Number 500-08506 P P O O W W E E R R U U N N I I T T THERMOCOUPLE C C O O I I L L LEAD... - Page 51 Component Testing Thermocouple and Power Unit Tests Testing P P rocedures: C. THERMOCOUPLE C C HECK (Applies to all thermocouples and gas control valves.) 1. Light the pilot. A. INITIAL P P REPARATION 2. Set your voltage tester to the DC scale, and if the tester is so equipped, set the scale to MV (millivolts).
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Page 52: High Limit Switch Tests
Component Testing High Limit Switch Tests Method o o f T T est: Disconnect the heater from its electrical supply before conducting this test. Remove the switch from its location. Hold the switch by one of its legs with a pliers and apply a small flame only to the sensing portion on the back side of the switch. - Page 53 Check for proper operation after servicing. The wiring diagram is generic in its design and is suitable for all models and designs of L.B. White pilot ignition heaters. Its The part number of the wiring diagram is 150-20994. purpose is to show the flow of electricity through electrical...
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Page 54: Section 7 Wiring Diagrams
Electrical Connection and Ladder Diagram Wiring Diagrams Used o o n: Model Design Sequence WARNING: THIS HEATER MAY START AT ANY TIME AIR PROVING SWITCH (NOT SUPPLIED ON SOME MODELS) BLACK BLACK OR RED BLACK OR RED BLACK BLACK CONTROL WHITE VALVE THERMOSTAT... - Page 55 Servicing Instructions Component Identification and Function All components must work together for proper heater determine what malfunction has occurred. Before you start operation. However, as with anything electrical or troubleshooting, it’s a good idea to understand the mechanical, problems may arise which will require you to components in their appearance and purpose.
- Page 56 Servicing Instructions Component Identification and Function E. Fan H H ousing An assembly composed of the motor, fan wheel and housing for purposes of pulling air through the heater and discharging heated air into the room. F. Fan May be of blade or wheel designs depending on heater model.
- Page 57 Servicing Instructions Component Identification and Function I. High L L imit S S witch A manually resetable temperature activated switch. Its purpose is as a safety device wired into the control system to sense when an overheat condition occurs, either at the heat chamber or blower outlet.
- Page 58 Servicing Instructions Component Identification and Function N. Pilot S S afety A gas control valve which is held Control V V alve open by electrical power supplied by a pilot generator and which closes automatically to shut off the flow of gas to the main burner when the pilot flame is extinguished or becomes too small to light the main burner.
- Page 59 Servicing Instructions Model AS040 Fan and Motor Cleaning t t he F F an: 1. Disconnect the heater from its electrical supply and 5. Clean the fan with a soft brush, rag, or compressed air. close all fuel supply valves to the heater. 2.
- Page 60 1. Disconnect the heater from its electrical supply and close all fuel supply valves to the inlet of the heater. puller if necessary. All L.B. White fan wheels incorporate a wheel puller groove on the fan hub to assist in fan removal.
- Page 61 2. Pull the fan wheel from the motor shaft. Use a wheel Make sure that the fan does not rub on the inlet ring puller, if necessary. All L.B. White fan wheels of the fan housing. incorporate a wheel puller groove on the fan hub to assist in fan removal.
- Page 62 Servicing Instructions Air-Proving Flapper (Sail) The flapper is located in the blower outlet. As discussed in gas valve opens. However, over a period of time, the flapper Section 9.1, Component Identification and Function, its may accumulate deposits of dust or dirt affecting its ability to purpose is to assist the air-flow switch in establishing proper pivot, thereby creating system failures.
- Page 63 Servicing Instructions Air-Proving Switch For U U nits W W ith F F lapper: Make sure on reassembly that two nuts per screw are used as spacers between the switch and housing side panel. These nuts are tightened securely against the 1.
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Page 64: Pilot Assembly
Servicing Instructions Pilot Assembly 4. Clean the pilot assembly using a soft brush or CAUTION compressed air. Allow the pilot assembly to cool before servicing. 1. Disconnect the heater from its electrical supply and close all fuel supply valves to the heater. 2. - Page 65 Servicing Instructions Pilot Assembly 6. Pilot orifices may incorporate one or two holes, 8. Reverse these procedures to reinstall the orifice, pilot depending on design. Hold the orifice up to light to line and shield. make sure the orifice is clear of blockages. ATTENTION For H H eaters s s o E E quipped: Holes...
- Page 66 Servicing Instructions Thermocouple 4. Remove the connector nut at the power unit on the gas CAUTION control valve. Allow the pilot assembly to cool before servicing. 1. Disconnect the heater from its electrical supply and close all fuel supply valves to the heater. 2.
- Page 67 Servicing Instructions Thermocouple Do not use pliers when removing or tightening the Insure the thermocouple is fully and firmly attachment nut or connector nut. Doing so will positioned in the pilot bracket by either its round off the nuts creating service problems. attaching nut or clip.
- Page 68 Servicing Instructions High-Limit Switch Replacement Very little actual servicing of the high-limit switch is required. thickness may vary with model and design. Refer to However, it is good to know the location of the switch when appropriate parts list. working on the heater. Typically, the switch is located on the heat chamber face or at another similar location at the Spacer burner end of the heater.
- Page 69 Servicing Instructions High-Limit Switch Replacement ATTENTION Specifically relating to the AB200 heater, the high limit is a capillary and switch mounted to a bracket near the burner. If switch replacement is necessary you will need to route the Four spacer clips are required per switch (spacer capillary behind the burner, and then across the heat part #130-09051).
- Page 70 Servicing Instructions Burner and Burner Orifice Over a period of time, the burner and orifice may start to blockages cannot be removed by general cleaning. become blocked if cleaning is not provided. This can create removal is necessary, refer to the following instructions. poor burning of the fuel gas, resulting in nuisance heater Familiarize yourself with these procedures before problems.
- Page 71 Servicing Instructions Burner and Burner Orifice Remove the two screws and spacers located at the right and left hand top of the burner casting (if applicable). Orifice Screw 8. Disconnect the electrical leads, pilot line, and thermocouple from the gas control valve. 11.
- Page 72 Servicing Instructions Leak and Gas Pressure Checks Equipment R R equired: A. Preparation 1. Make sure all threaded connections to the inlet of the Certified Leak Detectors control valve are tightened securely. Obtain two 1 - 3/16 Hex Head Allen Key pressure gauges capable of reading up to 35 in.
- Page 73 Servicing Instructions Leak and Gas Pressure Checks a. Check all pipe connections, hose connections, Gauge fittings and adapters upstream of the gas control Adapter with approved gas leak detectors. In the event a gas leak is detected, check the components involved for cleanliness and proper application of pipe compound before further tightening.
- Page 74 Servicing Instructions Leak and Gas Pressure Checks D. Reading P P ressures b. Using a standard screwdriver, turn the plastic adjusting screw until the gauge reads proper 1. With the heater operating, the pressure gauges manifold pressure. Clockwise increases outlet should read the pressures specified on the dataplate, pressure.
- Page 75 Servicing Instructions Leak and Gas Pressure Checks The preceding instructions dealing with inlet and manifold pressure checks and leak testing generally apply to all control valves. However, due to model and age variations of heaters, there are several differences between control Pilot valves with which you must be familiar.
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Page 77: Service Parts
POSITION HEATER AWAY FROM LIVESTOCK AGRICULTURAL BUILDING HEATER AGRICULTURAL BUILDING HEATER L. B. WHITE CO., INC. W6636 L.B. WHITE ROAD ONALASKA, WI 54650 608/783-5691 L. B. WHITE CO., INC. W6636 L.B. WHITE ROAD ONALASKA, WI 54650 608/783-5691 August 1999 9.1-1 1... - Page 78 Service Parts, Kits and Accessories Parts Identification Guide Model A A S040 Item Description Design S S equence Part N N umber Regulator, S S econd S S tage, V V ent O O ver S S ide ( ( LP G G as) 550-0 0 6665 Regulator, S S ingle S S tage ( ( Natural G G as) 550-0 0 1326...
- Page 79 Service Parts, Kits and Accessories Parts Identification Guide Model A A S040 INSTALLATION OF GAS TRAIN ASSEMBLY FOR NATURAL GAS ONLY August 1999 9.1-3 3...
- Page 80 Service Parts, Kits and Accessories Parts Identification Guide Models 3 3 46 a a nd 3 3 48 Design S S equence Item Description Part N N umber Regulator, S S ingle S S tage ( ( LP G G as) 550-0 0 6772 Regulator, S S econd S S tage ( ( LP G G as) 550-0 0 6665...
- Page 81 Service Parts, Kits and Accessories Parts Identification Guide Models 3 3 46 a a nd 3 3 48 SEDIMENT TRAP KIT OPTIONAL ACCESSORY August 1999 9.1-5 5...
- Page 82 Service Parts, Kits and Accessories Parts Identification Guide Models 3 3 77 a a nd 3 3 79 Design S S equence Item Description Part N N umber Regulator, S S ingle S S tage ( ( LP G G as) 550-0 0 6772 Regulator, S S ingle S S tage ( ( LP G G as) 410-2 2 1408...
- Page 83 Service Parts, Kits and Accessories Parts Identification Guide Models 3 3 77 a a nd 3 3 79 SEDIMENT TRAP KIT OPTIONAL ACCESSORY August 1999 9.1-7 7...
- Page 84 Service Parts, Kits and Accessories Parts Identification Guide Models 4 4 08 a a nd 4 4 10 Design S S equence Item Description Part N N umber Regulator, S S ingle S S tage ( ( LP G G as) 400-0 0 9911 Regulator, S S econd S S tage ( ( LP G G as) 550-0 0 6665...
- Page 85 Service Parts, Kits and Accessories Parts Identification Guide Models 4 4 08 a a nd 4 4 10 26 28 SEDIMENT TRAP KIT OPTIONAL ACCESSORY August 1999 9.1-9 9...
- Page 86 Service Parts, Kits and Accessories Parts Identification Guide Model A A B200 Design S S equence Item Description Part N N umber Regulator, S S econd S S tage ( ( LP G G as) 550-0 0 6553 Regulator ( ( Natural G G as) 550-0 0 2736 Nipple, 1 1 /2 x x 3 3 1 1 /2 130-0 0 7148...
- Page 87 Service Parts, Kits and Accessories Parts Identification Guide Model A A B200 August 1999 9.1-1 1 1...
- Page 88 Service Parts, Kits and Accessories Parts Identification Guide Model A A B250 Design S S equence Item Description Part N N umber Regulator, S S econd S S tage, V V ent O O ver S S ide ( ( LP G G as) 550-0 0 6553 Regulator, S S econd S S tage ( ( Natural G G as) 500-0 0 7087...
- Page 89 Service Parts, Kits and Accessories Parts Identification Guide Model A A B250 August 1999 9.1-1 1 3...
- Page 90 Service Parts, Kits and Accessories Kits and Accessories This section provides part numbers for many of the more commonly requested kits and accessories used on pilot light ignition heaters. GAS C C ONVERSION K K ITS Control V V alves w w ithout I I nternal L L ow P P ressure R R egulators and G G as S S hut O O ffs ( ( Control V V alve P P art # # 500-0 0 2309) PART PROPANE T T O N N ATURAL G G AS...
- Page 91 Service Parts, Kits and Accessories Kits and Accessories TEST K K ITS PART DESCRIPTION NUMBER 550-00764 Low Gas Pressure Test Kit 550-08506 Thermocouple Test Kit MISCELLANEOUS K K ITS PART DESCRIPTION NUMBER 500-07802 Indoor Chain Hanging Kit AIR D D IVERTERS PART MODELS DESCRIPTION...
- Page 93 If, within 1 1 2 m m onths f f rom t t he d d ate o o f p p urchase b b y t t he required to establish warranty qualification. If neither is end u u ser, any component is found to be defective, L.B. White available, the warranty period will be 12 months from date of Co., Inc.
- Page 94 L.B. White will automatically qualify the unit, sub-assembly, or L.B. White is not responsible for the labor cost of removal of component for a 12-month warranty from date of a defective product or part, or damages due to removal, or...