Heater User Manual (all Models)
Contents
1. 06 inches of water column Check with draft meter between the top of heater and damper The over fire draft should be a minimum of 02 check through flame inspection port Closing the damper door can increase draft Installation Operation And Service Instructions i i teonolleat 2 For optional draft inducers or power vent wiring See Figure 2 One of these devices must be installed where back draft is present In building or correct draft cannot be achieved OIL SUPPLY PIPING 1 Use ONLY 3 8 nominal ID copper tubing with flare fittings only on the fuel suction from the tank to the heater Do NOT use ferrule fittings or Teflon tape on any pipe fittings 2 Keep suction line approximately 6 from bottom of oil tank to prevent suction of sludge Drain accumulated sludge and water from tank periodically 3 Use only an inside oil storage tank to supply heater Do not draw from an outside tank especially not an underground tank directly to heater A separate transfer pump from an outside tank with proper filtration to the inside supply tank is acceptable and available from Econo Heat 4 The fuel supply pump included with heater is to be mounted at tank level or below figure 1 This pump turns slowly requiring a number of minutes to accomplish purging ALL air if bubbles skips even slight pulsations in the oil flow from pumps bleeder port is unacceptable and must be removed assuring proper oil flow to heater Otherwise the f2. By teonot leet WASTE OIL FIRED HEATERS Installation Operation And Service Instructions Manual MODEL OWH 150 MODEL OWH 250 150 000 BTU 250 000 BTU MODEL OWH 350 MODEL OWH 500 350 000 BTU 500 000 BTU Thank you and congratulations on your purchase of an Omni Waste Oil Fired Heater You have selected a high quality precision engineered piece of equipment designed to give you many benefits as well as years of outstanding performance Econo Heat 5714 1st Avenue Spokane Washington 99212 509 534 1022 www econoheat com 100267 Rev A3 PRECAUTIONS Waste oil may contain many foreign materials Waste oil may also contain gasoline Therefore specific precautions on the handling and storage of waste oils are to be observed when using cleaning and maintaining this heater Use a screen in a funnel when pouring oil into storage tank to catch foreign material i e gasket material and sealant fibers etc WARNING This appliance is not designated for use in hazardous atmospheres containing flammable vapors or combustible dust or atmospheres containing chlorinated or halogenated hydrocarbons Do not expose this unit to rain or moisture If installed in high moisture atmosphere a special cover for the integrated air compressor must be obtained from factory to avoid rusting of internal raw metals If this occurs see trouble shooting guide for remedy Uses only crank case oil gear oil hydraulic oils auto trans Fluid
3. 10 11 CAUTION TURN OFF MAIN ELECTRIC SUPPLY SWITCH BEFORE CHECKING OR ADJUSTING ELECTRODE SETTING NOZZLE POSITION IN RELATION TO ENDCONE BURNER TUBE Tip of nozzle must be 14 ahead of inside radius of end cone If nozzle is behind inside radius of end cone coking will occur and end cone can become clogged figure 10 IMPORTANT NOTE be sure nozzle is centered if nozzle is higher than center press nozzle down to bottom out pre heater stand To adjust open burner door figure 8 loosen Preheat Sink securing nut and set screw push fore or aft as needed WARNING This adjustment is done at the factory and should not be moved unless Fig 8 dimensions have been altered When cleaning inspect all three pieces thoroughly When disassembling and reassembling nozzle keep facing up as shown Figure 8 Burner Door View Figure 9 Nozzle Assembly Detail 14 _ _ _ _ Installation Operation And Service Instructions 1 8 Electrode Spacing Nozzle must be 1 4 forward of the inside radius of flame cone Electrodes N Nozzle tip and electrode tip must be flush Nozzle Nozzle a Nozzle Orifice side View Front View Flame Cone Figure 10 Electrode Adjustment Detail Electrodes 6 Nozzle Pre Heater Control Card Thermocouple Figure 12 Combustion Chamber and Heat Exchanger Cleanout Door Models OWH 250 350 500 15 Installation
4. 3 Adjusts the air pressure going to the pre heater block Should be adjusted between 12 PSI and 13PSI as indicated on the Air Pressure Gauge on the burner for thorough burn of the waste oil Installation Operation And Service Instructions J teonolleat 12 Note In order to insure proper air adjustment air gauge must read 0 when burner is cycled off or powered down Oil Pressure Gauge figure 3 Displays oil pressure at the burner Adjust flame length in the heater combustion chamber viewed through the inspection port located directly above the burner gun assembly by increasing CW or decreasing CCW the adjuster located on the oil delivery pump figure7 The adjuster increases or decreases the pump motors RPM which increases or decreases the delivery of fuel to the burner When you increase or decrease the fuel to the burner you will notice the flame length will increase or decrease Adjust flame length so flame is just slightly less than halfway down main combustion chamber tube IMPORTANT Once adjusted for correct flame length take note of oil gauge setting for bench mark pressure reading needed when burning the specific fuel mixture generated by the owner PLEASE NOTE Once flame is set the oil pressure gauge can read various pressures when different viscosities of oils are used The oil pressure gauge is an indicator of where the PSI reading will be when that oil viscosity is being burned The oil gauge is used for servicing d
5. anything is missing check packing slip for indications of possible backorder of those parts or components Otherwise a claim must be filed for those missing parts 2 a Installation Operation And Service Instructions teonolleat IMPORTANT NOTICE TO OWNER AND INSTALLER To enjoy the long term benefits of burning your used oil in an Omni Waste Oil Burning appliance it is necessary to become familiar with the correct installation operation and maintenance of your new furnace Before installing or operating this appliance make sure you read and understand this manual IMPROPER INSTALLATION OR LACK OF MAINTENANCE WILL VOID THE WARRANTY The most critical sections of this manual are in order of importance as follows Basic Operation Knowledge Oil Suction Line Installation Correct Draft Over Fire General Maintenance Requirements Identical to any gas or oil furnace without adequate draft over the fire the combustion gases cannot escape the furnaces The flame will lengthen resulting in an overheated combustion chamber Even if the heater is installed correctly and adequate draft achieved a flue passage blockage will affect the draft Burning used oil is similar to burning wood A fine gray ash accumulates in the chamber and flue passage This accumulation of ash will eventually affect the draft It is important to remove this ash before the draft is affected These topics are discussed in detail on the pages listed above Please fa
6. or 1 and 2 furnace oil Do not use old contaminated oils that have been stored in underground tanks or outside barrels for long periods Excessive water and sludge may be present causing quick filter plugging NOTES The instructions contained in this manual apply to the installation operation and service of Omni Waste oil fired heaters The following instructions should be carefully followed for obtaining the best possible installation operation and service conditions Specifications are subject to change without notice This heater was designed to be a primary or auxiliary heat source but not the only source of heat And provide economical disposal of waste oil Proper operation depends on the consistency of the oil Any water or foreign material in the oil may cause the unit to shut down If a continuous stream of oil cannot be guaranteed at the heater the main heating system should be set above freezing which will prevent any building damage if the waste oil heater were to become inoperative during subfreezing weather i e supply tank empty filter plugged etc UNCRATING Immediately upon uncrating units check rating plate for certainty of electrical and mechanical characteristics Also check the unit for any damage that may have been incurred in shipment if any damage is found file a claim with the transporting agency The unit has been tested and inspected at the factory prior to crating and was in perfect condition at that time If
7. see if flame is smaller than usual Pump not functioning properly over firing May need RPM readjust Reset flame slightly less than way down tube combustion chamber Use adjustment knob on pump motor See Figure 7 Set draft Clean out combustion chamber and exchangers of ash Check draft reset if needed Clean photo eye which is smoked up by back draft smoke Swing open burner door and clean ash build up from flame end cone See Figure 5 amp 8 elncrease pump motor speed See Figure 7 May need to install power vent draft inducer s in stack See Figure 2 for wiring Clean ash and soot from combustion chamber and heat exchangers Nozzle may be plugged with debris usually after filter is cleaned Clean filter both oil strainer and oil pump screen eClean ash from combustion chamber and exchangers eMay need to readjust pump RPM Use knob on pump motor See Figure 7 Installation Operation And Service Instructions Leonor led Omni Unit Heaters 150 250 350 500 Limited Warranty Econo Heat manufacturer warrants to the purchaser of Unit Heaters listed above will be free from defects in materials and workmanship for the durations specified below which duration begins on the date of delivery to the customer Customer is responsible for maintaining proof of date of delivery If return is deemed necessary for warranty evaluation and determination of repair or replacement unit heater is
8. 00 degrees F 93 degrees C or less 7 Clearance from combustible materials on all models not to be less than TOP 6 BOTTOM 18 SIDES 18 REAR 18 FRONT 48 FLUE PIPE 18 Mounting Dimensions MODEL A B OWH 150 35 2 20 OWH 250 35 2 22 g OWH 350 47 22 V4 OWH 500 63 1 28 a mI Installation Operation And Service Instructions Class EAN ZN ZZ 2 minimum higher than any 3 minimum above the portion of a building within 10 highest point where it passes through the roof of a building gt Roof Jack T Supporting Thimble Thermostat Circuit Protection Box Oil Supply Oil Pump Tank With Serviceable JA Strainer Filter K Class A Pipe 8 or 10 stack depending on heater model check local codes 4 1 2 all thread hangers Heater must be mounted level to allow standard 3 downward burner pitch into combustion chamber 115vac 20amp power source Wire and conduit per local codes Low voltage thermostat wire to T terminals of oil primary control on burner Oil suction line 3 8 ID copper tubing Oil feed line 3 8 ID to bulkhead connector on heater cabinet gt P gt ee PE Suction line 6 minimum from bottom of supply tank to prevent sludge from being introduced into the supply line Figure 1 Installation Diagram STACK INSTALLATION L Optional Install the supplied barometric damper in stack if draft up stack exceeds 08 Draft up stack must be 04 to
9. Operation And Service Instructions Remove 4 bolts for access to strainer CAUTION must be taken not to destroy gasket during removal of housing Strainer must be installed with tabs in direction shown Figure 13 Pump Strainer Washer Nut Bolt Filter Housing Filter Housing Stainless Filter Screen Figure 14 Oil Filter 16 Installation Operation And Service Instructions TROUBLE SHOOTING Most Likel eLess Likel Least Likel Symptom Cause Remedy 1 Heater shuts off Manual reset Requiring manual restart by reset button on 2 Loss of prime overnight Vacuum air leak in fuel line Check all fuel connections Tighten fittings Won t hold vacuum Plugged pump screen Check pump screen may need cleaning to access remove pump cover IS TANK EMPTY e Plugged filter or tank oil empty e Clean filter Using vent port reprime pump See Figure 6 amp 7 3 Fails to start Vacuum Leak Open bleeder port if air present Check and tighten fittings Inadequate Fuel Supply Clean filter Check all fuel connections Tighten fittings e No Pressure e Check may need cleaning to access remove pump cover e Using vent port reprime pump See Figure 6 amp 7 eNo Pre heat e Be sure all wiring to pre heater is tight no loose connections e Bad firerod Replace Continuity at terminals eAuto Start circuit not functioning e Check circuit control board and replace if necessary Call Factory e Che
10. and may vary depending on contamination of oils being used ONCE EACH SEASON OR MORE DEPENDING UPON USAGE OR CONTAMINATION OF OIL Swing out burner assembly door and clean flame cone figure 5 and figure 8 Remove combustion chamber amp heat exchanger clean out panels at same side of lift out door panel on heater and vacuum out the accumulated ash amp soot figure 12 Clean pump strainer Remove pump cover for access figure 13 CAUTION Be careful of gasket Clean air compressor filter element Installation Operation And Service Instructions 5 teonotleat YEARLY Clean flue pipe stack to loosen soot remove stack at top of heater and tap thoroughly Then vacuum upper exchanger Inspect electrode adjustment figure 10 Due to erosion adjustment may change Replace nozzle every 3 5 years depending on usage figure 5 9 11 Will lose efficiency due to erosion This can be accessed by swinging burner door open figure 8 IMPORTANT TO TURN POWER OFF Remove electrical plug from heater cabinet to burner Remove 9 16 burner door securing nut swing open burner door Remove nozzle with 5 8 socket figure 8 9 ELECTRODE ADJUSTMENTS Electrodes are adjusted at time of manufacture However they should be check periodically and at time of installation to be sure they are set as noted in the following dimensional drawing Swing burner door back for inspection figure 5
11. ck continuity at terminals of firerod limit snap switch Replace if needed eNo Arc e Check springs to electrode rod adjustment under transformer make sure they make good contact Open burner door and make sure electrode tips aren t touching flame cone Readjust eNo Air Pressure e Check pressure regulator and adjust Check air supply line for restrictions or leaks Pull compressor cover and inspect carbon vanes May need to replace Check filter clean if needed 4 Reduced air pressure Gauge may be bad Replace gauge cannot increase Intake filter muffler is plugged Remove amp Clean with carburetor cleaner with dust or dirt dry thoroughly Do Not Use Compressor vanes may be worn amp Replace carbon canes e Exposed to water e Remove cover clean rust with emery cloth 5 Hard starting diminished Partially plugged filter Clean filter Using vent port reprime pump See Figure 6 amp 7 flame Out of fuel Refill Storage No oil to burner Clean pump screen Remove pump cover Using vent port reprime pump See figure 6 amp 7 eRestriction in nozzle usually only eRemove nozzle and check for foreign objects See Figure 9 and 11 when initially installed New lines eAluminum Block Pre heater inside burner should not build may have foreign material in them up carbon If carbon is present pre heat circuit is malfunctioning Thermocouple heat sensor wire could have open circuit Heat control board may have blown circui
12. iability that is not in accordance with above warranty Econo Heat is not responsible for any labor cost unless prior authorization in writing has been obtained NOTE Combustion Chamber Warranty is specific to material and workmanship Workmanship means Econo Heat warranties the welds are good and will hold Material means they won t corrode through due to sulfur in the ash that accumulates during operation Warranty does not apply to units that experience overheating stress cracks These are not incurred because the materials are inadequate for the application nor are they a result of a weld breaking lose because of bad penetration which 1s easily recognized by the metal left beneath the weld These cracks occur as a direct result of 1 improper draft either by inadequate initial installation and setup which requires a establishing a proper draft during installation b back draft has occurred due to ash buildup backing up hot gas passageways either in the exchangers the stack or both 2 Over firing by setting oil supply pressure too high see manual for proper setting these are all cases of thermal overload Under normal use only If misuse or abuse is deemed apparent after inspection warranty is void Installation Operation And Service Instructions 19 20 Installation Operation And Service Instructions WARRANTY CARD Please fill our tear off and return to manufacturer Return following warranty information to manufac
13. iagnostics assistance Power Indicator figure 3 Indicates when power is present at the burner Run Indicator figure 3 Indicates that the burner is ready for operation after the initial pre heat time of approx 5 minutes from initial power up Installation Operation And Service Instructions teonolleat INITIAL START PROCEDURE 1 IMPORTANT Prior to starting the unit pre fill the filter and fuel line with oil to assist priming procedure Oil pump motor turns at low RPM s and would take significant time to complete priming process if not pre filled Make sure the oil supply line fittings are air tight Vacuum leaks are notoriously hard to find Pressurizing the line with oil in it can help to locate leaks 2 Proper draft Draft is the gasses traveling through the heater and out the stack or flue If exhaust fans are present in your building chances are a draft inducer will be needed Call our factory or see our website for help www econoheat com 3 During the initial power up process the burner is locked out from energizing until the oil has been properly pre heated to operating thermo setpoint approx 3 to 5 minute duration Once the oil has been pre heated power is then applied to burner componenets and oil pump 4 Making sure the thermostat is turned off apply power to the burner Switch burner main power switch to ON position After allowing the oil pre heater time to establish temperature setpoint approximately 5 minutes Jum
14. lame sensor will not see enough flame and heater will lockout NOTE PUMP ASSEMBLY MUST BE MOUNTED HORIZONTAL 5 Connect 3 8 oil supply line from the supply tank through the filter figure 1 to the pump inlet located same side as bleeder port figure 6 Continue oil supply line from pump outlet to bulk head fitting secured to cabinet at left side of burner assembly bulk head fitting has fuel flex hose connecting it to burner WIRING See Schematic diagram below and or inside door of main electrical junction box on heater 60 Installation Operation And Service Instructions teonolleat FUEL TRANSFER OIL N art PREHEATER BLOCK Sss Fudi pue wiv al CONTROLLER Schematic Under Pump Motor Cover or User Manual AC POWER INPUT BURNER DOOR SAFETY PLUG BURNER DOOR SAFETY RECEP TICLE BLOWER MOTOR CABINET peel Sc OIL PRIMARY CONTROL yeas tat FORMER IE Honeywell etc CONNECTION OPTIONAL LN DRAFT INDUCER MOTOR PHOTO EYE BURNER FLAME SENSOR Figure 2 Wiring Diagram 1 Wire 120V into main electrical box mounted on burner backside of heater cabinet with separate circuit 20 amp protection using 12 gauge wire Connect power line to black wire and all whites NUETRAL or COMMON together IMPORTANT Connect ground wire to ground mounting point in main junction box green screw 2 Connect wires from main junction box to remote oil pump power Yellow to yellow and
15. miliarize yourself with these sections of your manual Spending a few minutes to review this material will assure that you receive the return on investment that you expect from your Omni heater Installation Operation And Service Instructions SSS 3 teonolleat SPECIFICATIONS AMPS FULL LOAD with 14 6 17 0 18 7 23 5 Pum p FAN MOTOR HP 2 1 4 each 2 1 3 each FAN MOTOR RPM 1075 1075 1075 1075 FAN DIA PITCH 18 36 24 18 18 36 24 18 CFM FREE AIR 3 62 4466 6275 9001 CFM W DUCTWORK at 100 2000 1600 3701 FT FLUE SIZE Er 54 29 2 28 1 2 SHIPPING DIMENSIONS 64 72 30 49 64 2 39 49 16 38 49 92 44 50 L W H Notes 1 All illustrations and specifications contained herein are based on the latest information available at the time of publication approval Econo Heat reserves the right to make changes at any time without notice in materials specifications and models or to discontinue models 2 These appliances are designed for commercial or industrial use only Installation and use of this waste oil burning appliance shall be in accordance with the Standard for the Installation of Oil Burning Equipment ANS NFPA 31 1987 and National Electric Code ANSI NFPA 70 1990 and the requirements of the inspection authorities having jurisdiction 3 Output depends on BTU content of oil used 4 Atomizing Air Pressure for all fuels 10 P S I 5 Furnace not to be used with air filters 6 Intended maximum outlet air temp 2
16. neutral common white to white 3 Wire low voltage thermostat into T marked terminals on oil primary control on burner Box on burner gun assembly with red reset button figure 3 DUCTING All unit heaters are designed with a condenser type pressure propeller fan for air deliver and have been successfully field ducted See Specifications call factory for further assistance if needed OIL BURNER WARNING Installation and use of this used oil burning appliance shall be in accordance with the standard for the Installation of Oil Burning Equipment ANSI NFPA 31 1987 and National Electric Code ANSI NFPA 70 1990 and the requirements of the inspection authorities having jurisdiction Installation Operation And Service Instructions 7 teonolleat Igniter Transformer Oil Primary Control Air Pressure Adjuster Air Band a F Combustion Air y ai cae Compressor Adjustment Air Pressure Run Indicator Power Oil Pressure Gauge Indicator Gauge Figure 3 Oil Burner Back View Closed Pre Heater Control Circuit Board Oil Pre Heater Block Air Muffler Filter Photo Eye Electrical Flame Sensor Terminal Block Igniter Springs ES ie a Heater Bin a Electrical Schematic Figure 4 Oil Burner Back View Opened 8S Installation Operation And Service Instructions Electrodes Oil Valve Motor Flame Cone Figure 5 Oil Burner Fr
17. ont View Preferred Outlet Oil Outlet To Heater 1 8 N i Oil Inlet 1 Figure 6 Oil Pump Diagram Installation Operation And Service Instructions a _ 9 teonolleat Oil Pressure Gauge Bench mark indicator for proper flame length Cleanable Strainer Oil adjustment and filter pump screen Filter removal of one or valve cleaning requirements nut for screen access Oil Primer Switch Oil Shut off Valve Eliminates start delays due to possible drain back Inline Breaker Adjustable Motor Speed Initial set up only Once set no adjustment needed thereafter Oil Flow Control Supply Pump has the ability to control flame even when various viscosities are used furnace or stove oil to 90 weight straight flame remains stable Figure 7 Oil Pump Assembly OIL BURNER TECHNOLOGY Atomization Through Low Pressure Oil Preheater Preheat amp Air Induction At Nozzle Inside Burner Suction Line Pressure Line Mixes with Oil at Nozzle Oil Tank Air Compressor On Burner Flow Control Oil Pump Internal Pump Filter Filter Omni s patented burner technology improves the efficiency of the oil burn process by continuous Stabilization of the oil viscosity Optimum atomization spray is accomplished by precisely pre heating the oil and air prior to introduction to the combustion chamber The waste oil enters into the Oil Pre Heater Block figure 4 and is pre heated to ope
18. p the T terminals on the Oil Primary Control figure 3 Once the burner is running temporarily jump the F terminals on the Oil Primary This will allow the burner to run during the pump priming process 5 Priming the oil pump Open bleeder valve one turn until all air is expelled figure 6 This may need to be done twice to insure all air is removed IMPORTANT When fully purged and flame is established remove temporarily jumpers on F terminals of the Oil Primary to allow safety features of the unit to operate properly 6 Adjust air supply of integrated air compressor to 8 12 P S I This is factory preset however due to freight handling settings may be compromised 7 Combustion air band figure 3 should be open approximately 1 2 or until flame is clear yellow not orange Opening the air band too far may cause delayed in starting or even prevent the flame from starting 8 Inspect flame length through inspection door located above burner gun assembly End of flame should reach no further than 1 2 way down combustion tube To accomplish this flame length use adjustment knob on opposite side of oil bump NEVER ATTEMPT TO START HEATER WHEN COMBUSTION CHAMBER IS HOT AND A DELAYED START OCCURS MAINTENANCE SCHEDULE WEEKLY Drain water from storage tank MONTHLY clean stainless filter screen in filter periodically and drain off any water accumulation figure 14 Monitor every application is different
19. rating thermo setpoint then 10 ____ _ _ Installation Operation And Service Instructions teonolleat compressed air from the air compressor figure 3 is mixed with the oil prior to spraying out the nozzle similar to fuel injection by breaking up the oil droplets into a finer mist or spray atomization Electrodes mounted just above the nozzle figure 5 provides continuous electrical arc across electrode to electrode igniting the fine oil mist as it sprays out of the nozzle Once ignited the flame is forced into a swirl caused by the burners blower and specially designed flame cone figure 5 providing a very efficient and thorough burn of the waste oil Burner Components Igniter Transformer figure 3 Supplies high voltage to the electrodes generating electrical arc igniting the oil Oil Valve figure 5 energizes when burner is running and de energizes when burner is not running eliminating bleed back of oil out of the Pre heater block Air Band figure 3 Adjusts amount of air introduced into the combustion chamber Air band is adjusted at the factory for optimum performance approx 1 2 to 3 4 inch open NO FIELD ADJUSTMENT REQUIRED unless in high altitudes application where minor adjustment may be required Oil Primary Control figure 3 Controls the oil burner ignition Checks for flame in the combustion chamber if no flame is detected within 45 seconds the oil primary will shutdown the oil burner To resta
20. rt the unit reset the red button on the oil primary Oil Pre Heater Block figure 4 Pre heats the oil and air before entering combustion chamber Photo Eye figure 4 Senses flame in combustion chamber and signals oil primary when no flame is present Igniter Springs figure 4 Transfers the high voltage from the igniter transformer to the electrodes when door is closed Air Pressure Gauge figure 3 Displays air pressure supplied by onboard air compressor Air Compressor figure 3 Supplies air used within pre heater block to aid in atomization of the oil Air Muffler Filter figure 4 Filters air and muffles the sound generated by the compressor Pre Heater Control Circuit Board figure 4 Precisely controls temperature of the Oil Pre Heater Block and controls safety feature of not allowing burner to energize until oil has established operating thermo setpoint or shutdown burner if Pre Heater Block temperature falls below shutdown thermo setpoint Electrodes figure 5 Provides continuous high voltage electrical arc from electrode to electrode igniting the waste oil as it is being sprayed out of the nozzle Nozzle figure 5 Low pressure nozzle for oil spray pattern Flame Cone figure 5 Specially engineered flame cone forces the flame into a swirl pattern improving the burn thoroughness Burner Motor figure 5 Multitask motor turns the burner blower and integrated air compressor Air Pressure Adjuster figure
21. t and circuit board fuse Inspect both and replace either if needed See Figure 11 eAir band open too far eClose air band while viewing flame open air band slowly until combustion chamber is clear not orange 6 Heater cycles frequently Heater over firing Investigate and locate reason for over firing l e nozzle without thermostat eroded pump not functioning properly decrease pump motor speed temperature setting being See 6 for remedy achieved in area to be Temperature setting wrong heated On high limit fan safety switch Check temperature setting and adjust as necessary eHigh limit safety switch bad e Replace high limit fan safety switch Installation Operation And Service Instructions teonolleat 7 Heater rumbles and excessive heat blow back from flame vision port 8 Heater establishes flame but locks out or shuts off Need to reset primary 9 Proper draft setting cannot be achieved 10 Poor or reduced heat production 18 Pump setting wrong Draft incorrect If proper draft can t be achieved heater could have excessive amount of ash and wont allow sufficient draft Photo eye cant see flame Due to back draft Flame end cone may have ash eFlame too small Negative draft in building or exhaust fans present amp Excessive ash buildup Heater Flame too small Entire fuel supply may be plugged eExcessive ash buildup exchangers eThrough vision port check flame to
22. to be sent to the factory with freight prepaid Econo Heat reserves the right to determine appropriate action for repair or replacement No parts will be accepted by Econo Heat without RA return authorization number clearly marked on outside of shipping package Obtaining RA requires model and serial numbers description of part being replaced and nature of defect Call factory to receive RA Warranty Covers 1 Combustion Chamber and Heat Exchanger full Twelve 12 years limited full repair or replacement Parts Only 2 Oil Heater Block twenty 20 years Part Only Oil Heater Block Controller PCB three 3 years Part Only 4 All other components one 1 year Parts Only ae This warranty is void if Warranty registration card is not returned within thirty 30 days of purchase Any part or component subject to abuse or altered from original manufactures specifications Installation not in accordance with instructions Has not been properly maintained operated or has been misused Wiring not in accordance with diagram furnished with unit heater Unit heater is operated in the presence of chlorinated vapors Air through unit heater is not in accordance with rating plate and specifications Sey a Warranty is limited to the original purchaser The above warranty is in lieu of all other warranties expressed or implied Econo Heat does not authorize any person or representative to make or assume any other obligation or l
23. turer within thirty 30 days of purchase or warranty will not be valid Please print or type Date of Purchase Seal a ee ee MOGGI am er a a ee ee eee eee ere oe Installation Checklist Installation Operation And Service Instructions lt lt lt 7
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