Owner`s Manual and Instructions
Contents
1. NOTE It is normal for air to be trapped in the gas hose on new installations The heater may attempt more than one trial for ignition before the air is finally purged from the line and ignition takes place The HSI control will make up to three trials for ignition Each trial for ignition will take approximately 20 seconds The first two trials for ignition will occur within 40 seconds if ignition is not achieved A 15 minute wait period will then begin after the second trial for ignition has taken place After the 15 minute time span has elapsed the third and final trial for ignition will take place If ignition is not achieved at this final trial the system will lock out and a three flash pattern will be indicated by the LED If the heater is to be shut down for cleaning maintenance or repair follow steps 1 5 Otherwise simply turn thermostat to off or no heat for standard shut down 1 2 Close all manual fuel supply valves With the heater lit allow heater to burn off excess fuel in gas supply hose Shut Down Instructions 3 Position the indicator on the gas control to off 4 Position thermostat to off or no heat position 5 Disconnect the heater from the electrical supply Variable Heat Output 1 Some models of propane LP gas or natural gas heaters have a throttle valve for varying heat output located between the gas control valve and gas manifold assemblies THIS IS NOT A MANUAL GAS SHUT OFF2. Owner s Manual and Instructions GUARDIAN 9 Agricultural Animal Confinement Building Heaters MODELS OUTPUT Btuh FUEL All Models are available in either AW250 250 000 L P Gas Vapor Withdrawal or Natural Gas Configurations Certification by AR Congratulations You have purchased the finest agricultural building heater available Your new L B White heater incorporates the benefits from the most experienced manufacturer of heating products using state of the art technology We at L B White thank you for your confidence in our products and welcome any suggestions or comments you may have call us toll free at 1 800 345 7200 ATTENTION ALL USERS This heater has been tested and evaluated by C S A International in accordance with ANSI IAS U S LC2 1996 as well as the Canadian Gas Association Standard for Gas Fired Brooders CAN1 2 20 M85 and is listed and approved as a direct gas fired circulating heater for the heating of agricultural animal confinement buildings If you are considering using this product for any application other than its intended use then please contact your fuel gas supplier or the L B White Co Inc md Quality heaters you can count on 6636 L B White Rd Onalaska WI 54650 m 800 345 7200 m 608 783 5691 m 608 783 6115 fax m info Qlbwhite com 150 24161 AX GENERAL HAZARD WARNING Failure to comply with the precautions and instructions provided with this heater
3. HIGH LIMIT SWITCH L E D INDICATOR GROUND I ELECTRICAL LADDER DIAGRAM IF ANY OF THE ORIGINAL WIRE AS SUPPLIED WITH THE HEATER MUST BE REPLACED IT MUST BE REPLACED WITH WIRING HAVING A TEMPERATURE RATING OF AT LEAST 3020 F 1500 C Air Proving Switch Safety device used to insure that the proper air flow is being achieved before the gas valve is opened Burner Cast iron component used to channel gas and provide an area at which the fuel may ignite Burner Orifice Brass metering device used to feed gas to burner at a specific rate Fan Housing Chamber used for compressing air for efficient air movement Fan Wheel Component used in conjunction with the motor and fan housing to pull the hot air from heater and blow it into room for heating also known as a squirrel cage Flame Sensor Also known as a flame rod or flame probe this device works in conjunction with the ignition module in proving that burner flame has been established Gas Control Valve A device which consists of a low pressure regulator and electrical solenoids which are used for the control of gas flow to the burner assembly A feature of the control is a built in gas shut off which is used to isolate the heater from its gas supply when servicing Gas Hose Flexible connector used to convey gas from supply line in building to heater Heat Chamber Metal fire box within the appliance that provides an area where burner flame mi
4. can result in Death Serious bodily injury or burns Property damage or loss from fire or explosion Asphyxiation due to lack of adequate air supply or carbon monoxide poisoning Electrical shock Read this Owner s Manual before installing or using this heater Only properly trained service people should repair or install this heater Save this Owner s Manual for future use and reference Owner s Manuals and replacement labels are available at no charge For assistance contact L B White at 800 345 7200 A WARNING Proper gas supply pressure must be provided to the inlet of the heater Refer to dataplate for proper gas supply pressure Gas pressure in excess of the maximum inlet pressure specified at the heater inlet can cause fires or explosions Fires or explosions can lead to serious injury death building damage or loss of livestock Gas pressure below the minimum inlet pressure specified at the heater inlet may cause improper combustion Improper combustion can lead to asphyxiation or carbon monoxide poisoning and therefore serious injury or death to humans and livestock CONSIGNES DE SECURITE Ill es interdit d utiliser des liquides inflammables ou degageant des vapeurs inflammables a proximite de tout appareil fonctionnant au gaz AX WARNING Fire and Explosion Hazard Not for home or recreational vehicle use Installation of this heater in a home or recreational vehicle may result in a fire or explosion CO
5. dizziness and difficulty in breathing Symptoms of improper combustion affecting livestock can be disease lower feed conversion or death FUEL GAS ODOR LP gas and natural gas have man made odorants added specifically for detection of fuel gas leaks Do not take any action that could ignite the fuel gas Do not operate any electrical switches Do not pull any power supply or extension cords Do not light matches or any other source of flame Do not use your telephone Get everyone out of the building and away from the area immediately Close all propane LP gas tank or cylinder fuel supply valves or the main fuel supply valve located at the meter if you use natural gas Propane LP gas is heavier than air and may settle in low areas When you have reason to suspect a propane leak keep out of all low areas Some people cannot smell well Some people cannot smell the odor of the man made chemical added to propane LP or natural gas You must determine if you can smell the odorant in these fuel gases Learn to recognize the odor of propane LP gas and natural gas Local propane LP gas dealers and your local natural gas supplier utility will be more than happy to give you a scratch and sniff pamphlet Use it to become familiar with the fuel gas odor Smoking can decrease your ability to smell Being around an odor for a period of time can affect your sensitivity to that particular odor Odors present in animal confi
6. electrical shock or equipment damage To avoid dangerous accumulation of fuel gas turn off gas supply at the heater service valve before starting installation and perform gas leak test after completion of installation Do not force the gas control knob Use only your hand to turn the gas control knob Never use any tools If the knob will not operate by hand the control should be replaced by a qualified service technician Force or attempted repair may result in fire or explosion Read all safety precautions and follow L B White recommendations when installing this heater If during the installation or relocating of heater you suspect that a part is damaged or defective call a qualified service agency for repair or replacement Make sure the heater is properly positioned before use and is hung level Observe and obey all minimum safe distances of the heater to the nearest combustible materials Minimum safe distances are given on the heater nameplate and on page 4 of this manual For heaters intended for outdoor installation the heater is to be installed at least 18 inches above the ground or to a height that would prevent snow blockage of heater s air inlet The heater may be used either indoors or outdoors When the heater is mounted outdoors use only the ductwork supplied in the outdoor mounting kit The heater must have the proper gas regulator installed for the application A regulator must be connected to
7. is located away from HEATER the livestock so that livestock cannot knock the heater tear it loose from its mounting or damage the YOKE heater or its gas supply line in any way Make sure l Nl POWER CORD you observe and obey minimum clearance distances SEDIMENT to combustible materials as stated in the THERMOSTAT 1FT TRAP specification section of this owner s manual and on the heater itself SEDIMENT TRAP ASSEMBLY Assemble the tee nipples and cap together and tighten FIG 4 securely See Fig 4 The sediment trap assembly must always be mounted in a vertical position Make sure pipe NIPPLE e thread compound that is resistant to both L P gas and HOSE ADAPTER natural gas is used in making all connections s T TEE lt _ lt TO GAS CONTROL VALVE INLET NIPPLE CR CAP THERMOSTAT INSTALLATION AX WARNING Electrical Shock Hazard Disconnect the electrical supply before connecting the thermostat to the heater Failure to follow this warning can result in electrical shock leading to personal injury or death 1 To Connect the Series Tap Plug Thermostat Kit a Connect the power cord of the heater to the female side of the plug on the end of the thermostat cord b Plug the male side of the series tap plug on the thermostat cord into a three wire grounded electrical outlet within the building MANUAL SHUT OFF VALVE HOSE AND REGULATOR ASSEMBLY 1 Always use approved pipe thread compound suitable for use wi
8. this time remove the fan and motor assembly and brush or blow off the fan wheel giving attention to the individual fan blades Additionally make sure the burner air inlet venturi ports and the throat of the casting are free of dust accumulation and the area between the heat chamber top and inside case is also free of dust c When washing with water observe and obey the Warning within these Cleaning Instructions This same Warning is also supplied on the heater AX WARNING This heater may be washed only on the external case assembly provided The heater is disconnected from the electrical supply All access panels are securely closed Water spray nozzle shall not discharge within 6 feet of the heater The water pressure does not exceed 45 PSIG for 10 seconds on each side of heater The heater is not reconnected to electrical supply for a minimum of 1 hour or until the heater is thoroughly dry Improper cleaning of the heater can cause severe personal injury or property damage due to water and or cleaning solution 1 In electrical components connections and wires causing electrical shock or component failure On gas control components causing corrosion which can result in gas leaks and fire or explosion from the leak Clean internal components of the heater with a soft dry brush or cloth or compressed air Maintenance Instructions 1 Have your gas supplier check all gas piping annually 4 Regula
9. upon heater installation before building repopulation or when relocating This heater should be inspected for proper operation by a qualified service person before building repopulation and at least annually Always turn off the gas supply to the heater if the heater is not going to be used in the heating of livestock This heater is equipped with a three prong grounding plug for your protection against shock hazard and must be plugged directly into a properly grounded three prong receptacle Failure to use a properly grounded receptacle can result in electrical shock personal injury or death Hot surface ignition heaters will make up to three trials for ignition If ignition is not achieved after the third trial the control system will lock out the gas control valve If gas is smelled after system lock out has occurred immediately close all fuel supply valves Do not relight until you are sure that all gas that may have accumulated has cleared away In any event do not relight for at least 5 minutes 15 In a hanging type installation rigid pipe or copper tubing coupled directly to the heater may cause gas leaks during movement and therefore must not be used Use only gas hose assemblies that are rated and approved for L P gas and natural gas in a hanging type of installation AX WARNING Fire or explosion hazard Can cause property damage severe injury or death Disconnect power supply before wiring to prevent
10. NSIGNES DE SECURITE Si vous sentez une odeur de gaz Ouvrez le fenetres Fire or explosions can cause property damage or loss of life WARNING Fire and Explosion Hazard Keep solid combustibles a safe distance away from the heater Solid combustibles include wood or paper Ne touchez pas aux interrupteurs electriques Eteignez toute flamme nue Contactez immediatement votre compangie de gaz products feathers straw and dust FOR YOUR SAFETY Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance Do not use the heater in spaces which contain or may contain volatile or airborne combustibles Volatile or airborne combustibles include gasoline solvents paint thinner dust particles or unknown chemicals FOR YOUR SAFETY If you smell gas 1 Open windows 2 Don t touch electrical switches Fire or explosions can lead to property 3 Extinguish any open flame damage personal injury or loss of life 4 Immediately call your gas supplier Failure to follow these instructions may result in a fire or explosion Table of Contents SECTION PAGE General Information erue em ele ce ec alex wea hh ea oy args Ea Wik le n 3 Heater Specivications 235225 6 LLEVAR EA lh Pe A Se ag Qs 4 Safety Preca tlohs s 3 4 eg edet tee o cec She CREE AAEE A SAN een eae ee 5 Installation Instructions General 3 xxt LEE tdv ua drea dua URB RU IRR eU a pO R
11. U RR M EUN TRUR ca DN n 7 Air Diverter Installation Instructions 0 0 ee ee eee ee 8 Hanging Installation Instructions 0 0 0 eee RII Sn 9 Sediment Trap Assembly Instructions 0 00 c ccc eee eee 9 Thermostat Installation Instructions 0 cee ee eee eee 10 Manual Shut Off Valve Hose and Regulator Assembly Instructions 00 00005 10 Start Up INStructiOns i scsi eae x tuna YES PPE be Deis oe eee Head eve eae dab E way gd avid 11 Shut DownlBstr ctilons 2 2 pur ree a a E ERR Ra qe acit B AUR E IRR ORE RD RR ta DR RPDRTE chalets 11 Variable Heat Output Instructions 0 0c lh mre 12 Cleaning Instr ctions i e uere rediere acce ua cd er Y ee ee ae Ra RD 13 Maintenance Instructions s v Rx mna ak exa vee a be n RR RR e ed 13 Electrical Connection and Ladder Diagram sseseseeeeeeeee eh 14 Heater Component Function sar atera E hh mh m rr 15 Parts Identification Parts Schematic s iss iuda pneu d RW xu RUNE Eat E RR RUMBA RERBA A E 16 Parts EiS ioucecn remettre ka puedo e gU ate pecu de Bondi Rack ce MU Rc eta og e D e CR C pn 17 Warranty Policy 12 I eR er ERR Ua ERU TRUE RC Sd RA UOTE cede RATER Y eT 18 Replacement Parts and Service 00 c ae e A a E E aa A E EE e EE nr 18 General Information This Owner s Manual includes all options and accessories commonly used on this heater However depending on the configuration purchased some options and accessories may
12. VALVE 2 The throttle valve can be adjusted to deliver either minimum heat or maximum heat When the throttle FIG 7 THROTTLE VALVE GAS MANIFOLD GAS CONTROL VALVE valve handle is parallel to the gas flow the valve is completely open to deliver maximum heat output Refer to Fig 7 The throttle valve may be adjusted to minimum heat output by turning the handle 90 to gas flow or any position between maximum and minimum settings Refer to Fig 8 FIG 8 MAXIMUM HEAT S Ss JV3H INAIINIIN Cleaning Instructions AX WARNING Fire Burn and Explosion Hazard 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 Periodic cleaning and inspection as well as proper maintenance are essential to avoid serious injury or property damage Before cleaning close fuel supply valve to heater and disconnect electrical supply The heater should have dirt or dust removed periodically a After each flock or between building re population give the heater a general cleaning using compressed air or a soft brush on its interior and exterior At this time dust off the motor case to prevent the motor from over heating and shutting the heater down b At least once a year give the heater a thorough cleaning At
13. areas subject to washdown This heater may only be washed on the external case assembly see Cleaning Instructions Do not wash the interior of the heater Use only compressed air soft brush or dry cloth to clean the interior of the heater and it s components After external washdown do not operate this heater until it is completely dry In any event do not operate the heater for at least one hour after external washdown For safety this heater is equipped with a manual reset high limit switch and an air flow switch Never operate this heater with any safety device that has been bypassed Do not operate this heater unless all of these features are fully functioning Do not operate the heater with its door open Do not locate fuel gas containers or fuel supply hoses anywhere near the blower outlet of the heater Do not block air intakes or discharge outlets of the appliance Doing so may cause improper combustion or damage to heater components leading to property damage or animal loss The hose assembly if provided shall be visually inspected on an annual basis If it is evident there is excessive abrasion or wear or if the hose is cut it must be replaced prior to the heater being put into operation The hose assembly shall be protected from animals building materials and contact with hot surfaces during use The hose assembly shall be that specified by the manufacturer See parts list Check for gas leaks and proper function
14. bris blown into the gas valve may cause that valve to malfunction resulting in a serious gas leak that could result in a possible fire or explosion causing loss of products building or even life A properly installed sediment trap will keep foreign materials from entering the gas valve and protect the safe functioning of that important safety component Any heater connected to a piping system must have an accessible approved manual shut off valve installed within six feet 6 ft of the appliance it serves Check all connections for gas leaks using approved gas leak detectors Gas leak testing is performed as follows Check all pipe connections hose connections fittings and adapters upstream of the gas control with approved gas leak detectors n the event a gas leak is detected check the components involved for cleanliness and proper application of pipe compound before further tightening Furthermore tighten the gas connections as necessary to stop the leak After all connections are checked and any leaks are stopped turn on the main burner Stand clear while the main burner ignites to prevent injury caused from hidden leaks that could cause flashback With the main burner in operation check all connections hose connections fittings and joints as well as the gas control valve inlet and outlet connections with approved gas leak detectors If a leak is detected check the components involved
15. ced immediately The heater line sizing and installation must be retested by properly qualified service personnel before placing the heater back into use 15 This heater can be configured for use with either L P gas vapor withdrawal or natural gas Consult the 19 Do not exceed input rating stamped on the dataplate dataplate for the gas configuration of the specific of the heater Do not exceed the burner manifold heater Do not use the heater in an L P liquid pressure stated on the dataplate Do not use an withdrawal system or application If you are in doubt orifice size different than specified for the specific contact the L B White Co Inc input rating of this heater fuel type configuration and altitude AIR DIVERTE INSTALLATION INSTRUCTIONS Optional accessory on some models Appearance of the outlet on heater may vary from model to model 1 Optional air diverters can be installed in the heater FIG 1 Typical installation allowing two directions of air movement outlet to provide direction to the heated air as it exits NOTCHES IN MOUNTING TABS the heater Installation options include installing the diverters in such a way as to broadly distribute the air in two 45 degree paths or to focus the air flow in one TABS 45 degree direction See Fig 1 OUTLET 2 The air diverters may require hand forming prior to SCREWS installation Make 90 degree bends utilizing the performations provided Diverter should then have
16. e is located between the gas control valve and burner assembly Transformer This device is responsible for reducing a higher incoming voltage normally 120 V A C to a lower outgoing voltage The lower voltage 24 V A C is essential to operate the ignition control module Parts Identification Parts Schematic 30 D Y Parts Identification Parts List Item Description Part Number 1 Regulator LP Gas 2nd Stage Vent Over Outlet 06553 Regulator LP Gas 2nd Stage Vent Over Side 06665 Regulator Natural Gas 23360 2 Nipple 3 1 2 in 07148 3 Valve Manual Shut Off 05548 4 Adapter Hose 1 2 NPT x 1 2 NPS 02894 5 Hose 1 2 in ID x 10 ft with Adapter 20714 6 Kit Sediment Trap 00815 T Base 20136 8 Cover Gas Control Valve 09287 9 Bracket Gas Control Valve 09506 10 Valve Gas Control LP Gas 22076 Valve Gas Control Natural Gas 09428 11 Nipple 1 2 in x 1 1 2 in 02420 12 Valve Throttle LP Gas 20143 Valve Throttle Natural Gas 20144 13 Ell Street 01359 14 Manifold 09291 15 Orifice Burner LP Gas 20141 Orifice Burner Natural Gas 20142 16 Igniter 09201 17 Shield Igniter 09167 18 Sensor Flame 20139 19 Bracket Igniter 09202 20 Burner 03453 21 Spacer 02687 22 Switch High Limit 05566 23 Chamber Heat 20024 24 Case Assembly with Doors and Latches 3 Galvanized 20149 Painted 20465 26 Control Ignition 09298 27 Transformer 120 24 v 09615 28 Plug Window 08255 29 O Ring 08347 30 Co
17. eater for Purpose MIN 11 in 7 in of Input Adjustment W C W C 10 in 4 in Burner Manifold Pressure W C W C MAX 11 58 250 Fuel Consumption Per Ibs cu ft Hour 7 41 160 MIN Ibs cu ft Ball Bearing Motor Characteristics 1 3 H P 1100 RPM Electrical Supply Volts Hz Phase 115 60 1 Amp Draw STARTING 11 8 Starting Amps Includes Igniter CONTINUOUS na OPERATION f Dimensions Inches LxWxH 30 3 4x 18 1 4x 28 1 4 TOP 1 ft 3 m Minimum Safe SIDES 1 ft 3 m Distances From BACK 1 ft 3 m Nearest BLOWER Combustible OUTLET 6 ft 1 83 m Materials GAS LP Gas Supply 6 ft 1 83 m SUPPLY Natural Gas Supply N A Net Weight Ibs Shipping Weight Ibs 116 126 Safety Precautions AX WARNING Asphyxlation Hazard Do not use this heater for heating human living quarters Do not use in unventilated areas The flow of combustion and ventilation air must not be obstructed Proper ventilation air must be provided to support the combustion air requirements of the heater being used Refer to the specification section of the heater s Owner s Manual heater dataplate or contact the L B White Company to determine combustion air ventilation requirements of the heater Lack of proper ventilation air will lead to improper combustion Improper combustion can lead to carbon monoxide poisoning in humans leading to serious injury or death Symptoms of carbon monoxide poisoning can include headaches
18. ese odors Reference Fuel Gas Odor and Odor Fading sections above If you have not been properly trained in repair and service of propane LP gas and natural gas fueled heaters then do not attempt to light heater perform service or repairs or make any adjustments to the heater on propane LP gas or natural gas fuel system Even if you are not properly trained in the service and repair of the heater ALWAYS be consciously aware of the odors of propane LP gas and natural gas A periodic sniff test around the heater or at the heater s joints i e hose connections etc is a good safety practice under any conditions If you smell even a small amount of gas CONTACT YOUR FUEL GAS SUPPLIER IMMEDIATELY DO NOT WAIT E Do not attempt to install repair or service this heater or the gas supply line unless you have continuing expert training and knowledge of gas heaters Qualifications for service and installation of this equipment are as follows a To be a qualified gas heater service person you must have sufficient training and experience to handle all aspects of gas fired heater installation service and repair This includes the task of installation troubleshooting replacement of defective parts and testing of the heater You must be able to place the heater into a continuing safe and normal operating condition You must completely familiarize yourself with each model heater by reading and complying with the safety instructi
19. for cleanliness in the thread areas and proper application of pipe compound before further tightening Tighten the gas connection as necessary to 16 Eventually like all electrical mechanical devices the stop the leak thermostat can fail Thermostat failure may result in either an underheating or overheating condition If necessary replace the parts or components which may damage critical products and or cause involved if the leak cannot be stopped animal injury or death Critical products and or animals should be protected by a separate back up Ensure all gas leaks have been identified and control system that limits high and low temperatures repaired before proceeding and also activates appropriate alarms 12 A qualified service agency must check for proper operating gas pressure upon installation of the 17 Take time to understand how to operate and maintain heater the heater by using this Owner s Manual Make sure you know how to shut off the gas supply to the 13 Light according to instructions on heater or within building and also to the individual heater Contact owner s manual your fuel gas supplier if you have any questions 14 Itis extremely important to use the proper size and 18 Any defects found in performing any of the service or type of gas supply line to assure proper functioning of maintenance procedures must be eliminated and the heater Contact your fuel gas supplier for proper defective parts repla
20. months of the date code marked on the part If the defect occurs more than 12 months later than the date code but within 12 months from the date of purchase by the end user a copy of a bill of sale will be required to establish warranty qualification The warranty set forth above is the exclusive warranty provided by L B White and all other warranties including any implied warranties or merchantability or fitness for a particular purpose are expressly disclaimed In the event any implied warranty is not hereby effectively disclaimed due to operation of law such implied warranty is limited in or replace the defective part or heater with a new part or heater F O B Onalaska Wisconsin A warranty card on file at L B White will automatically qualify a unit and its component parts for warranty consideration If a warranty card is not on file a copy of the bill of sale will be required to establish warranty qualification If neither is available the warranty period will be 12 months from date of shipment from L B White duration to the duration of the applicable warranty stated above The remedies set forth above are the sole and exclusive remedies available hereunder L B White will not be liable for any incidental or consequential damages directly or indirectly related to the sale handling or use of the equipment and in any event L B White s liability in connection with the equipment including for claims based on negligence or
21. nement buildings can mask fuel gas odor If a gas leak occurs you should be able to smell the fuel gas THAT S YOUR SIGNAL TO GO INTO IMMEDIATE ACTION Natural gas is lighter than air and can collect around rafters or ceilings Use your neighbor s phone and call your fuel gas supplier and your fire department Do not re enter the building or area Stay out of the building and away from the area until declared safe by the firefighters and your fuel gas supplier FINALLY let the fuel gas service person and the firefighters check for escaped gas Have them air out the building and area before you return Properly trained service people must repair the leak check for further leakages and then relight the appliance for you ODOR FADING NO ODOR DETECTED The odorant in propane LP gas and natural gas is colorless and the intensity of its odor can fade under some circumstances If there is an underground leak the movement of gas through the soil can filter the odorant Propane LP gas odor may differ in intensity at different levels Since propane LP gas is heavier than air there may be more odor at lower levels Always be sensitive to the slightest gas odor If you continue to detect any gas odor no matter how small treat it as a serious leak Immediately go into action as discussed previously ATTENTION CRITICAL POINTS TO REMEMBER Propane LP gas and natural gas have a distinctive odor Learn to recognize th
22. not be included When calling for technical service assistance or for other specific information always have model number configuration number and serial number available This information is contained on the dataplate This manual will instruct you in the operation and care of your unit Have your qualified installer review this manual with you so that you fully understand the heater and how it functions The gas supply line installation installation of the heater and repair and servicing of the heater requires continuing expert training and knowledge of gas heaters and should not be attempted by anyone who is not so qualified See page 6 for definition of the necessary qualifications A detailed Installation and Service Guide is available at no charge to qualified personnel by contacting the local L B White distributor dealer or the L B White Company Contact your local L B White distributor or the L B White Co Inc for assistance or if you have any questions about the use of the equipment or its application The L B White Co Inc has a policy of continuous product improvement It reserves the right to change specifications and design without notice Heater Specifications SPECIFICATIONS AW250 L P Natural Gas Gas Maximum Input BTUH 250 000 Minimum Input BTUH 160 000 Ventilation Air Required 4 050 CFM to Support Combustion Inlet Gas Supply Pressure Acceptable MAX 13 5 in W C at the Inlet of the H
23. ons labels Owner s Manual etc that is provided with each heater b To be a qualified gas installation person you must have sufficient training and experience to handle all aspects of installing repairing and altering gas lines including selecting and installing the proper equipment and selecting proper pipe and tank size to be used This must be done in accordance with all local state and national codes as well as the manufacturer s requirements All installations and applications of L B White heaters must meet all relevant local state and national codes Included are L P gas natural gas electrical and safety codes Your local fuel gas supplier a local licensed electrician the local fire department or similar government agencies or your insurance agent can help you determine code requirements a ForU S A installations and applications ANSI NFPA 58 latest edition Standard for Storage and Handling of Liquefied Petroleum Gas and or ANSI Z223 1 NFPA 54 National Fuel Gas Code ANSI NFPA 70 National Electrical Code b For Canadian Installations and Applications CAN1 B149 1 or CAN1 B149 2 Installation Codes CSA C22 1 Part 1 Standard Canadian Electrical Code CSA C22 2 No 3 Electrical Features of Fuel Burning Equipment 3 Do not move handle or service heater while in operation or connected to a power or fuel supply 10 11 12 13 14 4 This heater may be installed in
24. strict liability is limited to the purchase price Some states do not allow limitations on how long an implied warranty lasts so the above limitation may not apply to you Some states do not allow the exclusion or limitation of incidental or consequential damages so the above limitation or exclusion may not apply to you This warranty gives you specific legal rights and you may also have other rights which vary from state to state Replacement Parts and Service Contact your local L B White dealer for replacement parts and service or call the L B White Co Inc at 1 800 345 7200 for assistance Be sure that you have your heater model number and configuration number when calling
25. sure the indicator on the valve is turned to the on position Replace the metal cover See Fig 6 FIG 6 2 Connect the electrical cord to an approved electrical outlet 3 Setthe thermostat to desired room temperature 4 This heater includes a hot surface ignition HSI control module for purposes of controlling the timing of the ignition process of the heater as well as monitoring of the safety functions The HSI module is Start Up Instructions contained within the control enclosure On the HSI module is a red light emitting diode LED This LED indicates the status of the heater The LED is visible external of the control enclosure through the plastic eye A constant light from the LED is an indicator that the heater is functioning correctly Any flash pattern by the LED is indicative that there is a problem in the operation of the heater Refer to the troubleshooting decal on the access panel at the fan motor end of the heater for assistance in troubleshooting Only qualified and properly trained personnel shall service or repair the heater On a call for heat the motor will start up and run for five 5 seconds and then stop This pre purge is a safety feature and a normal operational characteristic prior to ignition taking place After the motor has stopped the igniter will heat up approximately 17 seconds After igniter warm up time has been achieved the motor will start again and shortly thereafter ignition will occur
26. th L P gas or natural gas on the threaded connections 2 Assemble the components together according to the figure This view is to show general assembly of the components only The regulator must always be mounted so its vent regardless of location on the regulator is always pointed downward 3 Tighten all connections securely 2 To Connect the Direct Wired Thermostat Kit to the Control Box on the Heater a The installation and wiring of a thermostat must be done by an electrician or someone properly qualified b The thermostat may use 18 gauge 2 wire cord to handle the low voltage being supplied to the thermostat from the transformer c Follow all instructions provided with the thermostat kit d The heater must be tested for proper operation after the thermostat has been connected FIG 5 REGULATOR REGULATOR VENT NIPPLE VALVE MANUAL SHUT OFF GAS FLOW y GAS HOSE FC ADAPTER SEDIMENT TRAP TO CONTROL VALVE INLET Follow steps 1 6 on initial start up after heater installation by a qualified gas heater service person For normal start up simply turn thermostat above room temperature The heater will start 1 Open all manual fuel supply valves and check for gas leaks using approved leak detectors The gas control valve on the heater has a manual shut off feature incorporated into the valve assembly and may be located under a metal cover Remove the metal cover and make
27. the gas supply so that gas pressure at the inlet to the gas valve is regulated within the range specified on the dataplate at all times Contact your gas supplier or the L B White Co Inc if you have any questions The heater s gas regulator with pressure relief valve should be installed outside of building Any regulators inside the buildings must be properly vented to the outside Local state and national codes always apply to regulator installation Natural gas regulators with vent limiting device may be mounted indoors without venting to outdoors All gas pressure regulators must be installed in strict accordance with the manufacturer s safety instructions These instructions accompany each regulator 16 10 11 Installations not using the gas hose supplied with this appliance must connect dimensionally using American National Standard Wrought Steel and Wrought Iron Pipe B36 10 1970 Aluminum piping or tubing shall not be used Copper tubing when used for conveying natural gas shall be internally tinned or equivalently treated to resist sulphur Installation Instructions GENERAL Insure that all accessories that ship within the heater have been removed from inside of heater and installed This pertains to air diverters hose regulators etc Make certain that a sediment trap is installed at the gas valve inlet to prevent foreign materials pipe compound pipe chips and scale from entering the gas valve De
28. the shape shown in Fig 1 3 The air diverter s tabs on each half will pop into the blower outlet between the inside of the case assembly and the blower housing outlet If the notched tabs do not pop into the blower outlet loosen the blower outlet screws Doing this provides a gap into which you can insert the tabs Retighten the screws after installation FORMED OUTLET GUARD DIVERTER HALVES Alternate Air Diverter Installations HANGING INSTRUCTIONS 1 Assemble according to the illustration and tighten all FIG 3 eyebolts securely SO HIE NOTE REGULATORS SHOULD ALWAYS BE MOUNTED OUTDOORS IF CIRCUMSTANCES FORCE INSTALLING THE REGULATOR INDOORS FIG 2 THE REGULATOR S VENT MUST BE VENTED OUTDOORS USING VENT LINE NO SMALLER THAN VENT OPENING VENT OF REGULATOR MUST MANUAL SHUT OFF VALVE EYEBOLT POINT DOWN AND REGULATOR CAN BE INSTALLED BEFORE CHAIN MUST BE VENTED OUTDOORS THE REGULATOR UNDER THE EAVE OF THE BUILDING OR AFTER THE REGULATOR INSIDE THE BUILDING NUT FLAT WASHER CAGE NUT CASE TOP OPTIONAL INDOOR NS REGULATOR MOUNTING LOCATION 2 Be sure heater is securely fastened and is hanging BLACK PIPE level Check crosswise and lengthwise Chain must GAS HOSE THROUGH WALL be at center of eyebolt for proper heater suspension THERMOSTAT VENT LINE 3 See Fig 3 for typical indoor installation In any CORD animal confinement building consideration must be WALL OUTLET given to making sure the heater
29. tors must be periodically inspected to make for leaks or restrictions in gas lines Also at this time sure the regulator vents are not blocked Debris have your gas supplier clean out the sediment trap of insects insect nests snow or ice on a regulator can any debris that may have accumulated block vents and cause excess pressure at the appliance The heater s surrounding area shall be kept clear and free from combustible materials gasoline and other 5 Review all heater markings ie warnings start flammable vapors and liquids Regulators can wear out and function improperly Have your gas supplier check the date codes on all regulators installed and check delivery pressures to the appliance to make sure that the regulator is reliable up shutdown electrical wiring diagrams etc for legibility Ensure that none are cut torn or otherwise damaged Any damaged markings must be replaced immediately by contacting L B White Co Inc Markings are available at no cost Electrical Connection and Ladder Diagram CAUTION Always refer to the heater s electrical connection diagram when servicing to avoid wiring errors and heater malfunction Check for proper operation after servicing WARNING THIS HEATER MAY START AT ANY TIME L E D INDICATOR IGNITER B 8 HIGH LIMIT TRANSFORMER A SWITCH ES LN HEAT CHAMBER BURNER GROUND AIR PROVIN SWITCH GAS CONTROL VALVE NEUTRAL TRANSFORMER 120V SOLENOID S NEUTRAL
30. ver Control Box 20134 31 Cord Power 10 ft 20133 32 Harness Wire 23700 33 Motor 1 3 HP Ball Bearing 20169 34 Mount Motor 08647 35 Wheel Fan 09050 36 Assembly Air Flow Switch 24157 37 Housing Fan with Air Flow Switch Assembly and Motor Mount 24167 38 Bolt 02692 39 Screw 6 32 x 3 4 in 07240 40 Screw 02688 41 Washer 01589 1 Complete control box assembly specify part 4424235 galvanized or 24236 painted and if required for U S A or Canada 2 For fixed rate heater replace items 11 12 and 13 with a 1 2 in elbow part 01426 and a nipple 1 2 in x 3 1 2 in part 407148 3 Specify fuel type and if required for U S A or Canada when ordering Warranty Policy HEATER L B White Co Inc warrants that the component parts of its heater are free from defects in material and workmanship when properly installed operated and maintained in accordance with the Installation and Maintenance Instructions safety guides and labels contained with each unit If within 12 months from the date of purchase by the end user any component is found to be defective L B White Co Inc will at its option repair PARTS L B White Co Inc warrants that replacement parts purchased from the company and used on the appropriate L B White equipment are free from defects both in material and workmanship for 12 months from the date of purchase by the end user Warranty is automatic if a component is found defective within 12
31. xes with combustion air thereby providing heat High Limit Switch Safety device wired into the control system which is used to break an electrical circuit to the gas control valve in event of overheat situation Heater Component Function Hot Surface Igniter Electrical ignition device used on automatic ignition control systems Ignites gas by surface temperature rather than by spark or flame Ignition Control Module Controls the ignition sequence and operation of the heater as well as monitoring the safety sevices A major service feature is the board s ability to diagnose component and flame failure by means of a diagnostic light located within the module This light will provide a specific flash pattern repetitively depending on the type of componenet failure that has occurred Motor Electric device used to force preheated air through the heater and to circulate heat within a certain area Converts electrical energy into mechanical energy Regulator The heart of any gas supply installation Used to deliver a working pressure to the heater under varying conditions in tank pressure Thermostat Electrical device used as an automatic on off switch which will respond to changes in temperature in a certain area Can be wired so contacts in the thermostat open or close on temperature increase or decrease Throttle Valve Manually adjustable component used to increase or decrease the flow of gas to the burner The throttle valv
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