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fitting installed in the gas piping drip leg. The supply

pressure must be measured with the burners operating.

To measure the gas supply pressure, use the following

procedure.

1. Turn OFF gas to furnace at the manual gas shutoff

valve external to the furnace.

2. Connect a calibrated manometer (or appropriate gas

pressure gauge) at either the gas valve inlet pressure

tap or the gas piping drip leg. See White-Rodgers

36J54 gas valve figure for location of inlet pressure

tap.

NOTE: If measuring gas pressure at the drip leg, a

field-supplied hose barb fitting must be installed

prior to making the hose connection. If using the

inlet pressure tap on the White-Rodgers 36J54 gas

valve, then use the 36G/J Valve Pressure Check Kit,

Part No. 0151K00000S.

3. Turn ON the gas supply and operate the furnace and

all other gas consuming appliances on the same gas

supply line.

Measure furnace gas supply pressure with burners

firing. Supply pressure must be within the range

specified in the

Inlet Gas Supply Pressure

table.

If supply pressure differs from table, make the necessary

adjustments to pressure regulator, gas piping size, etc.,

and/or consult with local gas utility.

5. Turn OFF gas to furnace at the manual shutoff valve

and disconnect manometer. Reinstall plug before

turning on gas to furnace.

6. Turn OFF any unnecessary gas appliances stated in

step 3.

Gas Manifold Pressure Measurement and

Adjustment

CAUTION

To prevent unreliable operation or equipment damage,

the gas manifold pressure must be as specified on the unit

rating plate. Only minor adjustments should be made by

adjusting the gas valve pressure regulator.

Only small variations in gas pressure should be made by

adjusting the gas valve pressure regulator. The manifold

pressure must be measured with the burners operating.

To measure and adjust the manifold pressure, use the

following procedure.

1. Turn OFF gas to furnace at the manual gas shutoff

valve external to the furnace.

2. Turn off all electrical power to the system.

3. Outlet pressure tap connections: White-Rodgers

36J54 valve: Back outlet pressure test screw (inlet/

outlet pressure tap) out one turn (counterclockwise,

not more than one turn).

4. Attach a hose and manometer to the outlet pressure

tap (White-Rodgers valve).

5. Turn ON the gas supply.

6. Turn on power and close thermostat “R” and “W1”

contacts to provide a call for low stage heat.

7. Measure the gas manifold pressure with burners

firing. Adjust manifold pressure using the

Manifold

Gas Pressure

table shown below.

Range

Nominal

Natural

Low Stage 1.6 - 2.2" w .c.

1.9" w .c.

High Stage 3.2 - 3.8" w .c.

3.5" w .c.

Propane

Low Stage 5.7 - 6.3" w .c.

6.0" w .c.

High Stage 9.7 - 10.3" w .c. 10.0" w .c.

Manifold Gas Pressure

Gas

8. Remove regulator cover screw from the low (LO)

outlet pressure regulator adjust tower and turn screw

clockwise to increase pressure or counterclockwise to

decrease pressure. Replace regulator cover screw.

9. Close thermostat “R”, “W1” and “W2” contacts to

provide a call for high stage heat.

10. Remove regulator cover screw from the high (HI)

outlet pressure regulator adjust tower and turn screw

clockwise to increase pressure or counterclockwise to

decrease pressure. Replace regulator cover screw.

11. Turn off all electrical power and gas supply to the

system.

12. Remove the manometer hose from the hose barb

fitting or outlet pressure tap.

13. Replace outlet pressure tap: White-Rodgers 36J54

valve: Turn outlet pressure test screw in to seal

pressure port (clockwise, 7 in-lb minimum).

14. Turn on electrical power and gas supply to the

system.

15. Close thermostat contacts “R” and “W1/W2” to

energize the valve.

Using a leak detection solution or soap suds, check for

leaks at outlet pressure tap plug (Honeywell valve) or

screw (White-Rodgers valve). Bubbles forming indicate

a leak. SHUT OFF GAS AND REPAIR ALL LEAKS

IMMEDIATELY!

16.

NOTE:

For gas to gas conversion, consult your

dealer for appropriate conversion.

INLET

OUTLET

Gas Valve On/Off

Selector Switch

White-Rodgers Model 36J54 (Two-Stage)

Содержание *MEC96

Страница 1: ... the American National Standard National Standard of Canada ANSI Z21 47 CSA 2 3 Gas Fired Central Furnaces 19001 Kermier Rd Waller Tx 77484 www goodmanmfg com www amana hac com 2014 2022 Goodman Manufacturing Company L P is a registered trademark of Maytag Corporation or its related companies and is used under license All rights reserved 90 HEX DO NOT LIFT PRODUCT USING HEAT EXCHANGER Only personn...

Страница 2: ...ly read this manual for specifics pertaining to the installation and application of this product This furnace is manufactured for use with natural gas It may be field converted to operate on L P gas by using the appropriate L P conversion kit listed in the PROPANE GAS HIGH ALTITUDE INSTALLATIONS section of this manual Install this furnace only in a location and position as specified in LOCATION RE...

Страница 3: ...f the outlet opening Failure to prime trap at time of installation may have a negative effect on combustion quality and pressure switch action Shipping Inspection All units are securely packed in shipping containers tested according to International Safe Transit Association specifications The carton must be checked upon arrival for external damage If damage is found a request for inspection by car...

Страница 4: ...r applications The furnace must be installed indoors i e attic space crawl space or garage area provided the garage area is enclosed with an operating door This furnace can be used in the following non industrial commercial applications Schools Office buildings Churches Retail stores Nursing homes Hotels motels Common or office areas In such applications the furnace must be installed with the foll...

Страница 5: ...w the instructions listed below and the guidelines provided in the Combustion and Ventilation Air Requirements section when selecting a furnace location WARNING Possible property damage personal injury or death due to fire explosion smoke soot condensation electrical shock or carbon monoxide may result from improper installation repair operation or maintenance of this product WARNING To prevent po...

Страница 6: ...ace Do not connect this furnace to a chimney flue that serves a separate appliance designed to burn solid fuel On Counterflow Installations the air conditioning coil must be downstream on the supply positive side of the furnace heat exchanger Counterflow Installation over a noncombustible floor Before setting the furnace over the plenum opening ensure the surface around the opening is smooth and l...

Страница 7: ...s ventilation requirement WARNING CARBON MONOXIDE POISONING HAZARD Failure to follow the steps outlined below for each appliance connected to the venting system being placed into operation could result in carbon monoxide poisoning or death The following steps shall be followed with each appliance connected to the venting system placed in operation while any other appliances connected to the ventin...

Страница 8: ... portes les fenêtres les ventilateurs les registres de foyer et tous les autres appareils de combustion alimentés au gaz doivent être remis dans leur état initial Existing Furnace Removal NOTE When an existing furnace is removed from a venting system serving other appliances the venting system may be too large to properly vent the remaining attached appliances The following vent testing procedure ...

Страница 9: ... These changes have helped in reducing heating cooling costs but have created a problem supplying combustion and ventilation air for gas fired and other fuel burning appliances Appliances that pull air out of the house clothes dryers exhaust fans fireplaces etc increase the problem by starving appliances for air House depressurization can cause back drafting or improper combustion of gas fired app...

Страница 10: ...nd Lines In horizontal applications the condensate drain trap is secured to the furnace side panel suspending it below the furnace A minimum clearance of 5 5 below the furnace must be provided for the drain trap Additionally the appropriate downward piping slope must be maintained from the drain trap to the drain location Refer to Condensate Drain Trap and Lines for further details If the drain tr...

Страница 11: ...ustion to the outdoors as the vent pipe or flue pipe The pipe that supplies air for combustion to the furnace will be referred to as the intake pipe or combustion air pipe This furnace is dual certified and may be installed as a non direct vent single pipe or direct vent dual pipe appliance Materials Installations in the U S A PVC CPVC or ABS pipe fittings are typically used as venting and intake ...

Страница 12: ...TS ULC S636 WARNING Upon completion of the furnace installation carefully inspect the entire flue system both inside and outside of the furnace to assure it is properly sealed Leaks in the flue system can result in serious personal injury or death due to exposure to flue products including carbon monoxide WARNING Failure to follow these instructions can result in bodily injury or death Carefully r...

Страница 13: ...nt Flue Termination Forced Air Inlet Non Direct Vent Direct Vent Vent Flue Terminations Grade or Highest Anticipated Snow Level Vent Clearances Figure 7 VENT DRAIN RF000142 Coupling Figure 8 WARNING Edges of sheet metal holes may be sharp Use gloves as a precaution when removing hole plugs Figure 9 Insert flange Cut 2 long See Figure 8 Figure 10 ...

Страница 14: ...103 96 89 82 75 68 61 2 35 30 25 20 15 10 5 NA 3 103 96 89 82 75 68 61 54 2 45 40 35 30 25 20 15 10 3 110 103 96 89 82 75 68 61 MEC96 CEC96 Direct Vent 2 Pipe and Non Direct Vent 1 Pipe Maximum Allowable Length of Vent Flue Pipe MODEL Pipe Size in Number of Elbows MEC960303AN MEC960403AN MEC960603AN MEC960302BN MEC960402BN MEC960603BN MEC960803BN MEC960804CN MEC961004CN MEC961005CN CEC960403BN CEC...

Страница 15: ...drain tube can serve as a trap Combustion Air Intake Options Figure 12 CAUTION Be sure not to damage internal wiring or other components when reinstalling coupling and screws NOTE For installations at or above 7 000 feet altitude use 3 venting Vent Flue Pipe Terminations 12 MIN VENT FLUE TEE or 45 ELBOW TURNED DOWN or 90 ELBOW TURNED DOWN OPTIONAL Horizontal Termination Single Pipe Above Highest A...

Страница 16: ...ation Dual Pipe Figure 18 VENT FLUE TEE COMBUSTION AIR INTAKE DISTANCE BETWEEN COMBUSTION AIR INTAKE AND GRADE DISTANCE BETWEEN VENT AND GRADE Figure 19 Combustion Air Intake may also be snorkeled to obtain 12 min ground clearance 90 ELBOWS 3 24 BETWEEN PIPES Alternate vent termination above anticipated snow level dual pipe Figure 20 Vent Flue and Combustion Air Pipe Terminations 3 MIN 12 MIN TO G...

Страница 17: ...ing sections for specific details concerning furnace drain trap installation and drain hose hook ups The drain trap supplied with the furnace must be used The drain trap must be primed at time of installation The drain line between furnace and drain location must meet local and national codes The drain line between furnace and drain location must maintain a 1 4 inch per foot downward slope toward ...

Страница 18: ...n as shipped The furnace drain may exit either the right or left side of the furnace cabinet Both sides of the cabinet have two 875 diameter holes which can be used interchangeably for drain and low voltage wiring purposes If a higher drain exit is needed a 875 diameter hole may be added in the area shown in Figure 25 Any unused cabinet opening must be sealed Do not allow drain hose to sag or trap...

Страница 19: ...or models DM96VE0303AN DM96VE0403AN and DM96VE0603AN locate the hose 2 factory installed and cut 1 5 length from the end of the hose Insert hose 2 from outside the cabinet through the cabinet drain s hole nearest to the top Secure it to the barbed fitting in the elbow with a red clamp 7 Draining the Collector Box Install the non grommet end of hose 11 from outside the cabinet in the bottom drain h...

Страница 20: ... discard the 45 radius end 2 Install 90 radius end of hose 2 on RF000142 drain outlet and secure with a red clamp 3 Insert coupling in hose 2 and secure with a red clamp 4 Locate hose 5 and cut 3 from the non grommet end Discard the section without the grommet 5 Insert the cut end of tube 5 through the lower cabinet drain hole 6 Insert 100 degree elbow in the cut end of hose 5 7 Locate hose 6 Usin...

Страница 21: ... the drain trap beneath the furnace NOTE For horizontal installations some of the required hoses are found in the factory installed hose assemblies Remove the hose clamps to obtain the respective hoses needed for installation and install per the following directions 1 Remove the drain trap and factory installed drain tube assemblies 2 Remove two 1 plugs from right side of cabinet 3 Draining the Co...

Страница 22: ...n elbow and secure with a gold clamp 10 Insert a diameter PVC pipe factory installed into hose 4 and secure with a gold clamp 11 Insert the non grommet end of hose 5 factory installed from outside the cabinet in the back drain hole 12 Insert 100º elbow in hose 5 and secure with a red clamp 13 Locate hose 4 and cut a cut off a 4 straight section and discard the radius end 14 Connect the 4 straight ...

Страница 23: ...ARNING To prevent personal injury or death due to electrical shock disconnect electrical power before installing or servicing this unit WARNING HIGH VOLTAGE To avoid the risk of injury electrical shock or death the furnace must be electrically grounded in accordance with local codes or in their absence with the latest edition of the National Electric Code Line voltage connections can be made throu...

Страница 24: ...ory Setting DIP SWITCH SWITCH GROUP FUNCTION S3 S3 Heating Fan Off Delay PURPOSE Thermostat Setup Fossil Fuel Applications This furnace can be used in conjunction with a heat pump in a fossil fuel application A fossil fuel application refers to a combined gas furnace and heat pump installation which uses an outdoor temperature sensor to determine the most cost efficient means of heating heat pump ...

Страница 25: ... integrated control module humidifier terminal HUM is energized with 115 volts whenever the induced draft blower is energized The integrated control module electronic air cleaner terminal EAC is energized with 115 volts whenever the circulator blower is energized This terminal can also be used to provide 115 volt power to a humidifier transformer The remaining primary transformer wire would be con...

Страница 26: ...upply pressure must be as specified on the unit rating plate with all other household has fired appliances operating NOTE If converting to LP gas it is recommended that an LPLP0 kit also be installed The use of this kit will prevent the furnace from firing when the LP gas supply pressure is too low to support proper combustion Gas Valve This unit is equipped with a 24 volt gas valve controlled dur...

Страница 27: ...rs are coated to protect against external corrosion when in contact with masonry plaster or insulation or subjected to repeated wetting by liquids such as water except rain water detergents or sewage The gas piping may enter the left or right side of the furnace cabinet The installer must supply rigid pipe long enough to reach the outside of the cabinet to seal the grommet cabinet penetration A se...

Страница 28: ...ILTERS Duct work Air Flow Duct systems and register sizes must be properly designed for the CFM and external static pressure rat ing of the furnace Design the ductwork in accor dance with the recommended methods of Air Conditioning Contractors of America Manual D Install the duct system in accordance with Standards of the National Board of Fire Underwriters for the Installation of Air Conditioning...

Страница 29: ...uct work Air Cleaner Installation Location Maximum Heating Airflow Filter Media Dimensions Part Number Air Cleaner Family Side or bottom return 1200 CFM 16 in X 20 in x 5 AM11 1620 5 Side or bottom return 1600 CFM 16 in X 25 in x 5 AM11 1625 5 Side or bottom return 1600 CFM 20 in X 20 in x 5 AM11 2020 5 Side or bottom return 2000 CFM 20 in X 25 in x 5 AM11 2025 5 Side return for 2 separate returns...

Страница 30: ...This Section Before Installing The Return Air Duct work Filters must be used with this furnace Discuss filter maintenance with the building owner Filters do not ship with this furnace but must be provided sized and installed externally by the installer Filters must comply with UL900 or CAN ULCS111 standards Damage or repairs due to the installation of the furnace without filters is not covered und...

Страница 31: ...burner compartment Check for leaks using an approved chloride free soap and water solution an electronic combustible gas detector or other approved method Verify that all required kits propane gas high altitude etc have been appropriately installed Furnace Startup 1 Close the manual gas shutoff valve external to the furnace 2 Turn off the electrical power to the furnace 3 Set the room thermostat t...

Страница 32: ...as to furnace at the manual gas shutoff valve external to the furnace 2 Turn off all electrical power to the system 3 Outlet pressure tap connections White Rodgers 36J54 valve Back outlet pressure test screw inlet outlet pressure tap out one turn counterclockwise not more than one turn 4 Attach a hose and manometer to the outlet pressure tap White Rodgers valve 5 Turn ON the gas supply 6 Turn on p...

Страница 33: ...ing of the heat exchanger An airflow and temperature rise table is provided in the Specification Sheet applicable to your model Determine and adjust temperature rise as follows 1 Operate furnace with burners firing for approximately ten minutes Ensure all registers are open and all duct dampers are in their final fully or partially open position 2 Place thermometers in the return and supply ducts ...

Страница 34: ...mings The integrated control module provides a selectable heat off delay function The heat off delay period may be set to 90 120 150 180 seconds using the DIP switches provided on the control module The delay is factory shipped at 150 seconds but may be changed to suit the installation requirements and or homeowner preference Refer to the following figures for switch positions and corresponding de...

Страница 35: ... CFM CFM CFM CFM CFM CFM OFF OFF OFF G 743 688 628 572 515 459 408 364 ON OFF OFF G 939 894 846 806 759 706 661 614 ON ON OFF G 1137 1096 1056 1018 981 940 897 859 OFF ON OFF G 647 576 511 449 387 335 280 252 OFF OFF ON G 1229 1181 1150 1117 1078 1035 1002 964 OFF ON ON G 743 688 628 572 515 459 408 364 ON OFF ON G 743 688 628 572 515 459 408 364 ON ON ON G 743 688 628 572 515 459 408 364 DIP Swit...

Страница 36: ...CFM OFF OFF OFF G 899 845 788 729 671 607 558 504 ON OFF OFF G 1342 1304 1254 1219 1174 1127 1090 1045 ON ON OFF G 752 609 534 460 396 345 N A N A OFF ON OFF G 1167 1122 1074 1029 984 935 885 840 OFF OFF ON G 1252 1206 1164 1118 1077 1034 991 945 OFF ON ON G 899 845 788 729 671 607 558 504 ON OFF ON G 899 845 788 729 671 607 558 504 ON ON ON G 899 845 788 729 671 607 558 504 DIP Switches S2 2 S2 3...

Страница 37: ...FM CFM OFF OFF OFF G 1221 1176 1136 1094 1050 1013 971 928 ON OFF OFF G 1323 1287 1253 1207 1168 1129 1087 1052 ON ON OFF G 705 631 567 498 439 385 317 N A OFF ON OFF G 920 868 813 760 713 653 602 561 OFF OFF ON G 1130 1085 1040 993 948 900 853 814 OFF ON ON G 1221 1176 1136 1094 1050 1013 971 928 ON OFF ON G 1221 1176 1136 1094 1050 1013 971 928 ON ON ON G 1221 1176 1136 1094 1050 1013 971 928 DI...

Страница 38: ...M CFM CFM CFM OFF OFF OFF G 1300 1234 1175 1109 1052 992 928 866 ON OFF OFF G 1866 1817 1774 1729 1684 1637 1593 1552 ON ON OFF G 1477 1422 1364 1301 1244 1190 1135 1078 OFF ON OFF G 1637 1577 1528 1467 1410 1369 1307 1256 OFF OFF ON G 2069 2009 1978 1932 1923 1876 1834 1773 OFF ON ON G 1300 1234 1175 1109 1052 992 928 866 ON OFF ON G 1300 1234 1175 1109 1052 992 928 866 ON ON ON G 1300 1234 1175 ...

Страница 39: ...M CFM CFM OFF OFF OFF G 623 506 451 393 343 293 N A N A ON OFF OFF G 755 710 672 627 582 534 491 447 ON ON OFF G 653 597 552 507 460 410 366 326 OFF ON OFF G 914 874 841 805 772 732 696 657 OFF OFF ON G 1070 1040 1005 975 942 915 883 849 OFF ON ON G 623 506 451 393 343 293 N A N A ON OFF ON G 623 506 451 393 343 293 N A N A ON ON ON G 623 506 451 393 343 293 N A N A DIP Switches S2 2 S2 3 S2 4 MEC...

Страница 40: ...CFM CFM CFM CFM CFM CFM CFM CFM OFF OFF OFF G 721 679 635 591 552 505 463 422 ON OFF OFF G 1070 1040 1005 975 942 915 883 849 ON ON OFF G 653 597 552 507 460 410 366 326 OFF ON OFF G 914 874 841 805 772 732 696 657 OFF OFF ON G 1191 1168 1135 1112 1081 1055 1024 998 OFF ON ON G 721 679 635 591 552 505 463 422 ON OFF ON G 721 679 635 591 552 505 463 422 ON ON ON G 721 679 635 591 552 505 463 422 ME...

Страница 41: ...FM OFF OFF OFF G 1254 1230 1199 1171 1139 1115 1086 1053 ON OFF OFF G 1330 1301 1274 1244 1227 1191 1163 1132 ON ON OFF G 697 654 600 557 508 460 419 371 OFF ON OFF G 880 838 794 763 722 689 644 606 OFF OFF ON G 1056 1026 991 961 929 894 864 829 OFF ON ON G 1254 1230 1199 1171 1139 1115 1086 1053 ON OFF ON G 1254 1230 1199 1171 1139 1115 1086 1053 ON ON ON G 1254 1230 1199 1171 1139 1115 1086 1053...

Страница 42: ... OFF OFF OFF G 936 888 832 778 723 657 603 549 ON OFF OFF G 1149 1101 1052 1006 967 916 866 821 ON ON OFF G 781 628 547 470 396 333 N A N A OFF ON OFF G 1332 1291 1252 1218 1173 1134 1088 1049 OFF OFF ON G 1240 1194 1153 1104 1069 1019 971 929 OFF ON ON G 936 888 832 778 723 657 603 549 ON OFF ON G 936 888 832 778 723 657 603 549 ON ON ON G 936 888 832 778 723 657 603 549 DIP Switches S2 2 S2 3 S2...

Страница 43: ... CFM CFM CFM CFM OFF OFF OFF G 1123 1078 1035 993 949 894 809 758 ON OFF OFF G 1318 1299 1254 1207 1175 1124 1089 1042 ON ON OFF G 760 652 576 512 446 392 331 N A OFF ON OFF G 899 847 788 770 685 621 565 521 OFF OFF ON G 1226 1177 1133 1091 1052 1008 962 923 OFF ON ON G 1123 1078 1035 993 949 894 809 758 ON OFF ON G 1123 1078 1035 993 949 894 809 758 ON ON ON G 1123 1078 1035 993 949 894 809 758 D...

Страница 44: ... CFM CFM CFM CFM CFM OFF OFF OFF G 1281 1220 1152 1096 1031 978 914 856 ON OFF OFF G 1839 1790 1757 1699 1665 1615 1568 1527 ON ON OFF G 1408 1337 1279 1218 1167 1112 1062 999 OFF ON OFF G 1185 1121 1058 992 933 868 808 750 OFF OFF ON G 1727 1691 1642 1600 1545 1504 1449 1410 OFF ON ON G 1281 1220 1152 1096 1031 978 914 856 ON OFF ON G 1281 1220 1152 1096 1031 978 914 856 ON ON ON G 1281 1220 1152...

Страница 45: ...M CFM CFM CFM OFF OFF OFF G 1522 1464 1402 1338 1280 1230 1167 1101 ON OFF OFF G 1861 1803 1749 1698 1653 1594 1549 1504 ON ON OFF G 1004 890 805 710 620 553 474 406 OFF ON OFF G 1312 1235 1170 1101 1037 962 880 820 OFF OFF ON G 1772 1713 1662 1609 1540 1498 1452 1399 OFF ON ON G 1522 1464 1402 1338 1280 1230 1167 1101 ON OFF ON G 1522 1464 1402 1338 1280 1230 1167 1101 ON ON ON G 1522 1464 1402 1...

Страница 46: ...FM OFF OFF OFF G 1283 1219 1162 1109 1036 974 917 864 ON OFF OFF G 1811 1772 1733 1690 1644 1590 1551 1492 ON ON OFF G 1438 1366 1309 1254 1163 1133 1077 1013 OFF ON OFF G 1384 1324 1271 1204 1145 1088 1029 985 OFF OFF ON G 2008 1963 1944 1916 1876 1839 1801 1759 OFF ON ON G 1283 1219 1162 1109 1036 974 917 864 ON OFF ON G 1283 1219 1162 1109 1036 974 917 864 ON ON ON G 1283 1219 1162 1109 1036 97...

Страница 47: ... CFM CFM CFM OFF OFF OFF G 1796 1753 1697 1645 1589 1536 1478 1425 ON OFF OFF G 2211 2163 2122 2076 2029 1986 1964 1942 ON ON OFF G 1106 1017 946 855 764 681 605 550 OFF ON OFF G 1399 1327 1259 1185 1119 1051 980 913 OFF OFF ON G 1683 1628 1565 1511 1445 1387 1340 1276 OFF ON ON G 1796 1753 1697 1645 1589 1536 1478 1425 ON OFF ON G 1796 1753 1697 1645 1589 1536 1478 1425 ON ON ON G 1796 1753 1697 ...

Страница 48: ...the high fire stage of the gas valve The high speed circulator output is energized NOTE A call for 2nd stage without a call for 1st stage will be ignored and a three amber flash code will be displayed on the LED This error code will only be stored in memory once during a single power cycle 2nd Stage Satisfied First Stage Still Calling When the second stage of the thermostat is satisfied the induce...

Страница 49: ...w combustion air and flue products through the heat exchanger via pressure taps located on the induced draft blower and the coil front cover These switches guard against insufficient airflow combustion air and flue products through the heat exchanger and or blocked condensate drain conditions Flame Sensor The flame sensor is a probe mounted to the burner manifold assembly which uses the principle ...

Страница 50: ... flash code will be stored If the limit resets in more than 5 but less than 15 minutes an eleven flash code will be stored If the limit is still open after 15 minutes a five flash code will be stored Diagnostic Chart Refer to the Troubleshooting Chart in the back of this manual for assistance in determining the source of unit operational problems External Lockout A control lockout resulting from a...

Страница 51: ...play is the most recent fault to the least recent fault Resetting From Lockout Furnace lockout results when a furnace is unable to achieve ignition after three attempts during a single call for heat It is characterized by a non functioning furnace and a one flash diagnostic LED code If the furnace is in lockout it can be reset in any of the following ways 1 Automatic reset The integrated control m...

Страница 52: ...enance Improper filter maintenance is the most common cause of inadequate heating or cooling performance Filters should be cleaned permanent or replaced disposable every two months or as required When replacing a filter it must be replaced with a filter of the same type and size CAUTION To ensure proper unit performance adhere to the filter sizes given in the recommended Minimum Filter Size Table ...

Страница 53: ...ified servicer should ever handle the igniter Flame Sensor Qualified Servicer Only Under some conditions the fuel or air supply can create a nearly invisible coating on the flame sensor This coating acts as an insulator causing a drop in the flame sense signal If the flame sense signal drops too low the furnace will not sense flame and will lock out The flame sensor should be carefully cleaned by ...

Страница 54: ...ork Furnace does not operate three Amber flashes on control board None Three repeating flashes None W2 call present without W1 Faulty thermostat or thermostat wiring or improperly connected thermostat wires Confirm electrically safe condition before proceeding with repairs Furnace does not operate four Amber flashes on control board None Four repeating flashes None Ylo or Y call present without G ...

Страница 55: ...irs Furnace does not operate nine Red flashes on control board None None Nine repeating flashes Improper grounding or reverse polarity 115 volt hot neutral supply to furnace reversed hot wire door switch L1 on control board must read 115 volts to ground neutral Neutral wire should measure 0 volts to ground Confirm electrically safe condition before proceeding with repairs Furnace does not operate ...

Страница 56: ...EN DOOR SWITCH COMPARTMENT BLOWER SWITCH TEMP GND 1 BLOWER CIRCULATOR JUNCTION OR 40 VA Ø 60 HZ DISCONNECT WHITE RODGERS GAS VALVE TWO STAGE OVERCURRENT CONNECTOR 2 CIRCUIT LOW VOLTAGE 24V YL GND WH CHASSIS GROUND 2 3 IGNITER SURFACE HOT 2 YL PU C 2 C BLOWER DRAFT INDUCED BK PM BK BLOWER COMPARTMENT 115 VAC 1 OVERCURRENT BK HARNESS ECM MTR HI TERMINAL OR POWER BEFORE IGNITER RD BK TO RD POWER SUPP...

Страница 57: ...ze no less than one half 1 2 inch in size GAS VENT DIRECTLY BELOW KEEP CLEAR OF ALL OBSTRUCTIONS 4 INSPECTION The state or local gas inspector of the side wall horizontally vented gas fueled equipment shall not approve the installation unless upon inspection the inspector observes carbon monoxide detectors and signage installed in accordance with the provisions of 248 CMR 5 08 2 a 1 through 4 Spec...

Страница 58: ...fference between Supply and Return Temperatures DB F GAS PRESSURES Gas Inlet Pressure IN W C Gas Manifold Pressure Low Fire IN W C Gas Manifold Pressure High Fire IN W C Gas Type NG Natural Gas LP Liquid Propane Additional Checks Check wire routings for any rubbing Check for kinked pressure switch tubing Check flue elbow for alignment and clamp tightness Check screw tightness on blower wheel Check...

Страница 59: ...59 THIS PAGE IS LEFT INTENTIONALLY BLANK ...

Страница 60: ...u purchased to be directed to the feedback page GOODMAN BRAND AMANA BRAND GOODMAN BRAND AMANA BRAND PRODUCT REGISTRATION Thank you for your recent purchase Though not required to get the protection of the standard warranty registering your product is a relatively short process and entitles you to additional warranty protection except that failure by California and Quebec residents to register thei...

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