AMS10 and TMS10 Gas Burners 050196 Manual
Contents
1. Natural No 19 3 5 W C Natural No 13 CHECKING L P GAS INPUT L P gas installations are not usually supphed with meters for determining the amount of gas used The chart shows time required per dial revolution if a meter is used that is calibrated for cubic feet delivery TYPE TIME BURNER DIAL PER ORIFICE SIZE REV 80 000 11 W C L P Propane No 41 1 cu ft 112 sec 100 000 11 W C L P Propane No 36 1cu ft 91 sec F PURGING UNBURNED GAS FROM FURNACE 1 Turn gas valve control knob to PILOT depress and turn to OFF 2 Set thermostat above room temperature 3 Plug in gas burner power cord 4 The gas burner motor and blower will start drawing air through the burner and forcing unburned gas out the flue BURNER MUST RUN A MINIMUM OF FIVE MINUTES FOR ANY PURGING OPERATION G STARTING THE BURNER 1 Depress the gas valve control knob on the electric gas valve and turn to OFF 2 Set room thermostat above room temperature and let burner run five minutes to purge the unburned gas from the furnace 3 Set thermostat below room temperature 4 Turn pilot lighter main valve to ON Depress and turn control knob on gas vaive to PILOT 5 Open pilot observation door 6 Hold match to pilot lighter tube and depress red button on pilot lighter valve Hold button down 3 seconds while depressing knob on gas valve Hold control knob down about 60 seconds until pilot stays lighted after releasin2. 6 and 7 above AMS I1O AMS 10 TMS 10 62693 001 REV 03 05 01 96 PAGE 4 F Noisy fire Re adjust combustion air disc to reduce the volume of air being drawn into the burner See Page 2 G High gas bills r 2 Check combustion air adjustment Be sure proper size orifice is being used See Orifice Chart Page 1 Be sure return air filter is clean Be sure home is insulated windows and door fit tightly and there are no air leaks in the heating ducts Check room thermostat to be sure the setting is not higher than necessary Low humidity requires high temperatures for comfort Perhaps humidity should be increased H Circulation blower will not operate even though the burner operates 1 2 3 GAS BURNER WIRING Thermostat Switch Check upper blower and burner switch and lower blower switch Check the electrical connections to the blower motor Check out the blower motor b Oh 60150 60151 t 60154 60155 61455 61428 60160 60161 61407 60359 61637 60171 60172 60353 Not Shown Pipe Union Off Set Nipple Gas Valve Elbow Thermocouple Elbow Orifice Holder Bulkhead Union Orifice Nat 100 Orifice Nat 80 Orifice LP 80 Orifice LP 100 Coverplate Mixer Tube Centrifugal Switch Fasco Micro Switch Franklin Blower Motor amp Wheel Air Shutter PART NO DESCRIPTION a r 16 60177 60178 100018 60356 60186 6
3. Water Column L P gas pilot pressure normally is 11 Water Column Be sure the connection between the gas valve and thermocouple is tight to ensure contact Check thermocouple with millivoitmeter Voltage should be no less than 8 millivolts closed circuit and range from 18 to 32 millivolts open circuit A reading of less than 18 millivolts indicates a weak thermocouple and it should be replaced Excessive combustion air can cause pilot outage See Page 2 Adjusting the Burner AMS 10 TMS 10 62693 001 REV 03 05 01 96 PAGE 3 C Burner motor runs pilot is lighted but no burner flame 1 Be sure gas valve control knob on the burner is turned to ON Check gas pressure and thermocouple as outlined in B 5 6 and 7 above Check combination electric gas valve as outlined in A 6 above Check the contacts of the centrifugal switch as out lined under A 12 above D Burner flame without motor running Dirt on the valve seat or an obstruction in the main gas valve is permitting gas to leak to the burner Replace com bination electric gas valve E Intermittent burner operation t Be sure room thermostat is not located near another heat or cold source i e lamps kitchen range over a register in sunlight near an outside door etc Be sure the return air filter is clean Be sure the lower blower switch setting is at 85 or below Check the control circuit See A 5 above Check the thermocouple See B
4. set at FAN ON 110 FAN OFF 90 2 Set room thermostat for desired room temperature 3 Balance the heat distribution by adjusting register openings AIR SUPPLY FOR SEALED COMBUSTION 1 Replace burner access door to complete the outdoor combustion air passage 2 Ifthe space below the home is enclosed be sure avent or duct of at least 18 Square inches is made to free out door air to provide sufficient air for combustion TO PUT BURNER OUT OF OPERATION 1 Turn gas valve control knob and pilot lighter main valve to OFF 2 Turn off electric supply GAS BURNER CONTROLS 1 PILOT LIGHTER MAIN VALVE The Pilot Lighter Main Valve controls the flow of gas to the pilot lighter valve 2 COMBINATION ELECTRIC GAS VALVE AND PRESSURE REGULATOR The Combination Electric Gas Valve and Pressure Regulator is equipped with several components The Gas Valve Control Knob has three positions The OFF position completely shuts off the gas supply The PILOT position releases gas to the pilot burner only The ON position releases gas to the pilot burner as long as it is lighted and to the main burner when it is energized electrically The Pilot Gas Filter located in the valve filters the gas Supply to the pilot burner The Pilot Safety Valve provides 100 safety shut off of pilot gas whenever the pilot is extinguished The Pressure Regulator regulates pressure for natural and L P gases The scr
5. 1444 12946 62503 021 60192 60193 60194 60198 60728 60239 61430 60196 60196 60006 PART NO DESCRIPTION Control Box Termina Board Power Cord Control Cover Transformer Relay Burner Gasket Burner Housing Pilot Orifice Nat Pilot Orifice LP Pilot Pilot Shield Pilot Tube Pilot Lighter Tube Pilot Valve Lighter Tube Feeder Tube Shut Off Valve May be purchased at local hardware store AMS 10 TMS 10 62693 001 REV 03 05 01 96 PAGE 5 The aa C Burner Model No Serial No ake installed at Bears a label evidencing compliance with ANSZ21 17b 1978 and has Address of installation been installed in accordance with the instructions in the manufacturer s installation manual and in conformity with local regulations codes and ordinances The Furnace gt gt No andthe Input Make of unit consists of BTUH CO In Flue o Flue Gas Temperature OF CO In Flue Ambient Temperature OF Overfire Net Flue Gas Temperature _ _ S F Draft In Flue Firing Rate BUR inches H O Manifold Pressure WS All controls and limiting devices have been checked for proper installation Fuel used __C NUC CG A S Gas Supply Pressure Inches W C The above test results are certified to be true Name of Company Making Installation Per Address Phone Signature FOR SERVICE CALL Name Phone Date Address WAYNE HOME EQUIPMENT A SCOTT FETZER COMPANY 801 Glasgow Avenue
6. Fort Wayne Indiana 46803 LIMITED WARRANTY Wayne Home Equipment Wayne warrants its products and components to be free from defects due to faulty workman ship or defective materials at time of shipment and under normal use and service for twelve 12 months from the date of in stallation by a qualified installer or eighteen 18 months from the date of manufacture which ever date occurs first This LIMITED WARRANTY does not extend or apply to Wayne s products or any component thereof which has been misused neglected improperly installed or otherwise abused Equipment which is defective in material or workmanship and which is removed within the specific time period will be repaired or replaced as follows 1 Field units controls motors amp transformers should be returned to an authorized service point or distributor of Wayne for determination of applicability of this LIMITED WARRANTY as to repair or replacement where said service point or distributor is reasonably available in customer s locality 2 Where such local service is not avialable for components involving said controls motors amp transformers or where other components are involved such products should be returned freight prepaid to Wayne s home office 3 Products determined to be covered under this LIMITED WARRANTY by Wayne shail be either repaired or replaced at Wayne s sole option 4 Wayne is not responsible for any labor cost for removal and replacement of s
7. a DATE 05 01 96 A M S 1 0 TMS 10 Installation amp Service Instructions mfg by WAYNE HOME EQUIPMENT AMS 10 TMS 10 Power Gas Burner A SCOTT FETZER COMPANY FORT WAYNE INDIANA PART NO 62693 001 INSTALLATION INSTRUCTIONS These instructions cover the installation of Model B GAS PIPING AMS 10 TMS 10 power gas burner Safe and economical Gas piping should be sized and installed in accordance operation of the burner throughout its service life is largely with local codes and utility regulations dependent upon proper installation in the furnace Burners are shipped from the factory with natural gas he SAUMA Se palate dae enor aa meter loi burner with a shut off valve installed at the meter orifices installed unless propane gas orifices are specified Use the proper line size according to the charts See carton markings See below for location of alternate shown below Always use new piping and locate it orifices conveniently for easy servicing later Black pipe is the most practical for natural gas because of the A GAS BURNER REPLACEMENT OF OIL BURNER large sizes required copper tubing with an internal coating of tin is recommended with L P Gases Pip ing must be clean free from cutting burrs and defects in structure or threading The line must be durable substantial and gas tight 1 CONTENTS OF CARTON a Gas Burner b Installation and Service Manual c Gas Burner Gasket 2 REMOVING THE PRESENT BURNER 2 Instal
8. aid products and equipment associated therewith 5 Controls motors amp transformers or other components which are so repaired or replaced will carry this LIMITED WAR RANTY equal to the unexpired portion of the original product LIMITED WARRANTY 6 If inspection by Wayne does not disclose any defect covered by this LIMITED WARRANTY the product will be repaired or replaced at the expense of the customer and Wayne s regular charges will apply THE FOREGOING STATES THE SOLE AND EXCLUSIVE REMEDY FOR ANY BREACH OF WARRANTY OR FOR ANY OTHER CLAIM BASED ON ANY DEFECT IN OR NON PERFORMANCE OF THE PRODUCTS WHETHER SOUNDING IN CON TRACT WARRANTY OR NEGLIGENCE NO OTHER WARRANTY WHETHER EXPRESSED OR IMPLIED INCLUDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE SHALL EXIST IN CONNECTION WITH THE SALE OR USE OF SUCH PRODUCTS AND IN NO EVENT WILL WAYNE BE LIABLE FOR ANY INCIDENTAL OR CONSE QUENTIAL DAMAGES OF ANY NATURE Wayne neither assumes nor authorizes any person to assume for Wayne any other liability or obligation in connection with the sale of these products AMS 10 ThIS 10 62653 0601 REV 03 05 01 96 PAGE 6
9. aluminum tube fittings on the burner front plate and thermocouple lead on the gas valve c Remove two bolts on the orifice holder Pull out the holder and change the burner orifice d Reverse the above procedure for re assembly NOTE Be sure to purge the air from the gas line before restarting the burner See Page 2 TO CHANGE PILOT ORIFICE OR THERMOCOUPLE a With orifice holder removed see steps a through d above remove four screws pull out the burner tube assembly b Remove screws holding the pilot and change pilot orifice and or thermocouple c Reverse the above procedure for re assembly making sure that all the tube fittings are tight NOTE Be sure to purge the air from the gas line before restarting the burner SERVICE CHECKS FOR GAS GUN FURNACES A Burner will not start when thermostat calls for heat Be sure gas supply valve is turned on at the meter so fuel is being supplied to the burner Be sure gas valve control knob on the burner is turned to ON Be sure the electric current is on and there are no blown fuses in the furnace circuit Be sure the pilot is lighted If extinguished relight ac cording to Instructions for Starting Gas Burner Steps 1 through 6 See B and C below for further instructions on pilots Check the main burner orifice If dirty or plugged clean it or replace it Disconnect wires at thermostat and place wires together If burner starts then thermostat is defective
10. and should be replaced Check the control circuit with a light tester or volt ohm meter for loose connections or broken wires Check the current to the combination electric gas valve If circuit is closed and valve does not open replace valve Check the pressure regulator If regulator will not ad just and hold to 342 Water Column for natural gas operation replace regulator L P gases are regulated at the tank Be sure regulator on the burner is open for L P gas operation Check burner transformer for 24 volt output If no voltage replace transformer Check the burner relay output If less than 110 volts replace relay 12 13 If burner motor still does not operate replace it If burner motor runs but burner will not light check the operation of the centrifugal switch by removing the end bell of the burner motor If the contacts are not en closed clean them If the motor has enclosed con tacts replace the motor B Pilot ignition problems or pilot outage between burner cycles 1 2 Check the pilot orifice If dirty clean or replace Be sure the proper size orifice is being used See Orifice Charn Page 1 Check for restrictions in the pilot gas line Blow out the pilot line Be sure there is no air in the gas line Purge the gas line according to the instructions on Page 2 Check gas pressure If too high or too low check with the fuel supplier Nat gas pilot pressure normally is 7
11. ewdriver slot on the regulator must point to the word NAT if the burner is to be fired with naural gas and L P if it ts to be fired on L P gas To check gas pressure remove the pressure tap plug of the combination electric gas valve Insert the pressure tap fitting of the manometer and connect the rubber tube from the fitting to the manometer Refer to the manometer instructions for taking pressure readings Be sure the main burner and pilot burner are both burning when making readings Pressure should be 3 5 W C for natural gas and 11 0 W C for L P Gas CENTRIFUGAL SWITCH The electric motor for the blower which supplies com bustion air to the burner is equipped with a Centrifugal Switch wired in series with the combination electric gas valve This switch is normally open until the speed of the blower motor closes it and thus opens the electric gas valve The valve will not open until the blower is operating at full speed M REMOVING COMPONENTS 1 1 10 11 TO REMOVE BURNER ASSEMBLY a Set thermostat at lowest setting 2 3 Shut off gas supply at the meter c Disconnect gas burner electric cord gas supply to burner and thermostat leads d Loosen three hexagon nuts holding burner in place Rotate burner clockwise about 10 and remove burner TO CHANGE MAIN BURNER ORIFICE a Shut off gas valve at meter or storage tank b Disconnect fuel pipe union burner power cord
12. g knob 7 Observe pilot if not lighted repeat steps 1 through 6 8 Close pilot observation door 9 Turn gas valve control knob to ON AMS 12 7M5 10 2593 001 REV 03 05 01 96 PAGE 2 10 Set the room thermostat higher than room temperature so the burner will start A safety control centrifugal switch in the motor prevents the gas valve from open ing until the blower is supplying sufficient combustion air H ADJUSTING THE BURNER 1 Rotate the disc at the left side of the burner housing to adjust the combustion air Rotate the disc clockwise to increase combustion air counter clockwise to de crease combustion air 2 Observe combustion flame through observation door immediately after the burner is placed in operation The flame should be blue in color After the burner has operated for two or three minutes flame color will change to light orange 3 Burner should run quietly If burner pulsates or rumbles rotate disc to decrease air supply 4 After checking flame pattern and noise level lock disc in position by tightening Phillips head screw NOTE It is very important that air supply be ample without decreasing efficiency of burner An inadequate amount of air can cause carbon monoxide CO The carbon dioxide CO2 content of the flue products should approximate 7 0 to 8 0 per cent for natural gas and 8 0 to 9 0 per cent for L P gases ADJUSTING HEAT DISTRIBUTION 1 The lower blower control should be
13. la tee fitting with a sediment trap at the bottom of the riser to catch any foreign matter in the fuel Before installing the Model AMS10 TM gt 10 gaS line Install a main manual gas valve on the outside burner remove the present burner by performing of the furnace when required by local codes or utility the following requirements a Shut off electric power and fuel supply b Disconnect and remove fuel line disconnect 3 Carefully check for gas leaks with a soapy solution thermostat leads and burner cord brushed on the connection NEVER USE AFLAME c Remove three 3 hexagon nuts holding burner in place and remove burner d Inspect combustion chamber and replace if damaged Also inspect furnace and vent pipe on top of the furnace for corrosion loosened fit tings soot etc C PIPING CHARTS Black Pipe for Natural Gas Use 2 when length required is less than 20 feet Use 3 4 when length required is less than 60 feet Use 1 when length required is less than 100 feet Aluminum or Copper Tubing for Natural Gas 3 INSTALLING THE GAS BURNER Use 12 O D when length required is less than 10 feet Place new burner gasket on three studs in furnace Use 3 4 O D when length required is less than 30 feet mount burner fasten in place with three 3 hex Aluminum or Copper Tubing for L P Gas agon nuts connect thermostat leads to T T of ter Use 54 O D when length required ts less than 40 feet minal board on contr
14. ol box and connect gas piping Use 34 O D when length required is less than 100 feet 4 GAS PIPING TO FURNACE See Section B Gas Piping and Section C Piping Charts for information about piping 5 THERMOSTAT It is necessary to change the heat anticipator setting of the thermostat when the gas burner replaces an oil burner Reset the anticipator to 4 amps Failing to make this change will result in a wide temperature range in the mobile home E Btu OF INPUT PRESSURE GAS 80 000 3 5 W C 100 000 Btu OF INPUT PRESSURE GAS CHECKING NATURAL GAS INPUT Check the labe on the burner to be sure the burner is equipped with orifices for whichever gas is to be used Alter nate orifices are in cloth bag attached to burner Instruc tions for changing orifices are on Page 2 To check the input time the dial on the meter for one revolution while the burner is operating If the time varies more than 5 from the times shown on the chart check gas pressure accord ing to the procedure stated on Page 2 under Pressure Regulator If pressure reading matches the pressure shown on the chart check to be sure the proper burner orifice is being used Further gas problems should be re ferred to the local gas supplier Natural gas varies in BTU value from 950 to 1 050 BTU per cubic foot The chart is based on an average of 1 000 BTU per cubic foot TYPE TIME BURNER DIAL PER ORIFICE SIZE REV 1 cu ft 45 sec 1 cu ft 37 sec
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