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TECHNICAL MANU AL MANUAL *MEC96 34.5" 2-STAGE MULTI-SPEED ECM GAS FURNACE UP TO 96% AFUE • Refer to Service Manual RS6612013 for installation, operation, and troubleshooting information. • All safety information must be followed as provided in the Service Manual. • Refer to the appropriate Parts Catalog for part number information. • Models listed on page 3. This manual is to be used by qualified, professionally trained HVAC technicians only. Goodman does not assume any responsibility for property damage or personal injury due to improper service procedures performed by an unqualified person. ® Copyright 2014 Goodman Company, L.P. ® is a registed trademark of Maytag Corporation or its related companies and is used under license to Goodman Company, L.P., Houston, TX, USA. All rights reserved. RT6612030r1 August 2014 PRODUCT IDENTIFICATION The model and manufacturing number are used for positive identification of component parts used in manufacturing. Please use these numbers when requesting service or parts information. * 1 M 2 E 3 C 4 96 5,6 060 7,8,9 3 10 B 11 N 12 A 13 A 14 Brand AA - -Amanafi Brand Amana® Brand GG - -Goodmanfi Brand Goodman® Brand Motor NOx AFUE MBTU/h WARNING HIGH VOLTAGE! Disconnect ALL power before servicing or installing this unit. Multiple power sources may be present. Failure to do so may cause property damage, personal injury or death. Goodman will not be responsible for any injury or property damage arising from improper service or service procedures. If you install or perform service on this unit, you assume responsibility for any personal injury or property damage which may result. Many jurisdictions require a license to install or service heating and air conditioning equipment. WARNING 2 Installation and repair of this unit should be performed ONLY by individuals meeting the requirements of an "entry level technician", at a minimum, as specified by the Air-Conditioning, Heating, and Refrigeration Institute (AHRI). Attempting to install or repair this unit without such background may result in product damage, personal injury or death. WARNING PRODUCT IDENTIFICATION The model and manufacturing number are used for positive identification of component parts used in manufacturing. Please use these numbers when requesting service or parts information. AMEC960302BN** GMEC960302BN** GMEC960402BN** AMEC960402BN** AMEC960603BN** GMEC960603BN** GMEC960803BN** AMEC960803BN** AMEC961004CN** GMEC961004CN** GMEC961205DN** AMEC961205DN** DANGER CARBON MONOXIDE POISONING HAZARD Special warning for installation of furnaces or air handling units in enclosed areas such as garages, utility rooms or parking areas. Carbon monoxide producing devices (such as automobiles, space heaters, gas water heaters, etc.) should not be operated in enclosed areas such as unventilated garages or utility rooms because of the danger of carbon monoxide (CO) poisoning resulting from the exhaust emissions. If a furnace or air handler is installed in an enclosed area and a carbon monoxide producing device is operated therein, there must be adequate direct outside ventilation. Carbon monoxide emissions can be (re)circulated throughout the structure if the furnace or air handler is operating in any mode. CO can cause serious illness including permanent brain damage or death. DANGER RISQUE D'EMPOISONNEMENT AU MONOXYDE DE CARBONE Avertissement special au sujet de l'installation d'appareils de chauffage ou de traitement d'air dans des endroits clos, tets les garages, les locaux d'entretien et les Stationnements. Evitez de mettre en marche les appareils produisant du monoxyde de carbone (tels que les automobile, les appareils de chauffage autonome,etc.) dans des endroits non ventilés tels que les d'empoisonnement au monoxyde de carbone. Si vous devez faire fonctionner ces appareils dans un endroit clos, assures-vous qu'il y ait une ventilation directe provenant de l'exterier . Les émissions de monoxyde de carbone peuvent etre recircules dans les endroits clos, si l'appareil de chauffage ou de traitement d'air sont en marche. Le monoxyde de carbone peut causer des maladies graves telles que des dommages permanents au cerveau et meme la mort. PELIGRO ' POR MONÓXIDO DE CARBONO RIESGO DE INTOXICACIÓN Advertencia especial para la instalación de calentadores ó manejadoras de aire en áreas cerradas como estacionamientos ó cuartos de servicio. Los equipos ó aparatos que producen monóxido de carbono (tal como automóvil, calentador de gas, calentador de agua por medio de gas, etc) no deben ser operados en áreas cerradas debido al riesgo de envenenamiento por monóxido de carbono (CO) que resulta de las emisiones de gases de combustión. Si el equipo ó aparato se opera en dichas áreas, debe existir una adecuada ventilación directa al exterior. Las emisiones de monóxido de carbono pueden circular a través del aparato cuando se opera en cualquier modo. El monóxido de carbono puede causar enfermedades severas como daño cerebral permanente ó muerte. 0140M00020-D WARNING The United States Environmental Protection Agency (“EPA”) has issued various regulations regarding the introduction and disposal of refrigerants introduced into this unit. Failure to follow these regulations may harm the environment and can lead to the imposition of substantial fines. These regulations may vary by jurisdiction. Should questions arise, contact your local EPA office. Do not connect or use any device that is not design certified by Goodman for use with this unit. Serious property damage, personal injury, reduced unit performance and/or hazardous conditions may result from the use of such non-approved devices. WARNING To prevent the risk of property damage, personal injury, or death, do not store combustible materials or use gasoline or other flammable liquids or vapors in the vicinity of this appliance. WARNING 3 *MEC96 PRODUCT DIMENSIONS AIR DISCHARGE AIR DISCHARGE A 28 DIM B DISCHARGE 6‰ 2 AIR INTAKE 2" PIPE 2 2 LEFT SIDE DRAIN TRAP EXTERIOR HOLES 6‰ C 19‰ 2 CENTER DIMPLE FOR ALTERNATE AIR INTAKE PIPE 3" OD HOLE HIGH VOLTAGE ELECTRICAL OUTLET VENT/FLUE PIPE 2" PVC ALTERNATE VENT/FLUE LOCATION RIGHT SIDE DRAIN TRAP EXTERIOR HOLES HIGH VOLTAGE ELECTRICAL OUTLET STANDARD GAS SUPPLY LOCATION ALTERNATE GAS SUPPLY 34‰ 31 23 26‰ 24 23 21 19 14 19 SIDE CUT-OUT SIDE CUT-OUT 9… 9… 5 5 1‰ LEFT SIDE VIEW RIGHT SIDE VIEW FRONT VIEW LOW VOLTAGE ELECTRICAL OUTLET CONDENSATE DRAIN TRAP EXTERIOR CONNECTION (RIGHT OR LEFT SIDE) PVC 23 LOW VOLTAGE ELECTRICAL OUTLET D FOLDED FLANGES 2‰ 2‰ 22 E UNFOLDED FLANGES FOLDED FLANGES 23‰ UNFOLDED FLANGES Model A B C D E *MEC960302BN** 17½" 16" 13⅞" 12⅛" 13⅝" *MEC960402BN** 17½" 16" 13⅞" 12⅛" 13⅝" *MEC960603BN** 17½" 16" 13⅞" 12⅛" 13⅝" *MEC960803BN** 17½" 16" 13⅞" 12⅛" 13⅝" *MEC961004CN** 21" 19½" 17⅜" 16" 17½" *MEC961205DN** 24½ 23" 20⅞" 19⅜" 20⅞" MINIMUM CLEARANCES TO COMBUSTIBLE MATERIAL Position Upfl ow Hori zontal Sides 0" 6" Rear 0" 0" C = If placed on combustible floor, the floor MUST be wood ONLY. 4 Front 3" 3" Bottom C C Flue 0" 0" Top 1" 6" *MEC96 FURNACE SPECIFICATIONS Heating Data High Fi re Input¹ High Fi re Output¹ Low-Fi re Steady-Sta te Input¹ Low-Fi re Steady-Sta te Output¹ AFUE² Tempera ture Ri se Ra nge (°F) Vent Di ameter³ No. of Burners Circulator Blower Ava i l abl e AC @ 0.5” ESP Si ze (D x W) Horsepower @ 1075 RPM Speed Filter Size (in²) Permanent Dis posa bl e Electrical Data 4 Mi n. Ci rcui t Ampaci ty Ma x. Overcurrent Device (amps ) Shipping Weight (lbs) 5 *MEC96 0302BNA *MEC96 0402BNA *MEC96 0603BNA *MEC96 0803BNA *MEC96 1004CNA *MEC96 1205DNA 30,000 28,800 21,000 20,160 96 2" - 3" 2 40,000 38,400 28,000 26,880 96 20 - 50 2" - 3" 2 60,000 57,600 42,000 40,320 96 20 - 50 2" - 3" 3 80,000 76,800 56,000 53,760 96 35 - 65 2" - 3" 4 100,000 96,000 70,000 67,200 96 35 - 65 2" - 3" 5 120,000 115,200 84,000 80,640 96 35 - 65 2" - 3" 6 1.5 - 2 10" x 8" 1/2 5 1.5 - 3 10" x 8" 1/2 5 1.5 - 3 11" x 8" 1/2 5 1.5 - 3 11" x 8" 1/2 5 1.5 - 4 11" x 10" 1 5 3-5 11" x 11" 1 5 487 244 487 244 731 365 683 341 853 427 1024 512 8 8 8 8 13.3 13.3 15 15 15 15 15 15 111 112 115 118 140 154 „ Natural Gas BTU/h † ‡ Vent pipe must be either 2" or 3" in diameter, depending upon furnace input, number of elbows, length of run and must be 2" or 3" diameter PVC. Minimum Circuit Ampacity = (1.25 x Circulator Blower Amps) + ID Blower amps. Wire size should be determined May use fuses or HACR-type circuit breakers of the same size as noted. Notes All furnaces are manufactured for use on 115 VAC, 60 Hz, single-phase electrical supply. " FPT and noise issues. greater clearances than the minimum clearances listed above. In all cases, accessibility clearance must take precedence over clearances from the enclosure where accessibility clearances are greater. 5 *MEC96 AIRFLOW DIP SWITCH SETTING 0.1 0.2 CFM Rise CFM Rise CFM G W1 W2 Ylo Y 870 870 885 874 1146 658 658 821 697 1097 548 548 755 612 1049 ON OFF OFF Ylo Y 874 928 697 868 612 810 533 743 ON ON OFF Ylo Y 928 1146 868 1097 810 1049 OFF ON OFF Ylo Y 928 870 868 658 OFF OFF ON Ylo Y 928 885 OFF ON ON Ylo Y ON OFF ON ON ON ON *MEC960302BN All DIP Sw itch Positions All DIP Sw itch Positions FACTORY SETTING All DIP Sw itch Positions OFF OFF OFF 0.3 0.4 0.5 469 469 684 533 1002 413 413 621 470 941 293 293 508 361 846 N/A N/A 461 303 787 470 670 414 614 361 560 303 505 743 1002 670 941 614 895 560 846 505 787 810 548 743 469 670 413 614 349 560 293 505 N/A 868 821 810 755 743 684 670 621 614 557 560 508 505 461 874 1146 697 1097 612 1049 533 1002 470 941 414 895 361 846 303 787 Ylo Y 885 1146 821 1097 755 1049 684 1002 621 941 557 895 508 846 461 787 Ylo Y 885 874 821 697 755 612 684 533 621 470 557 414 508 361 461 303 40 39 Rise 0.8 349 349 557 414 895 34 35 CFM 0.7 CFM 28 32 CFM Rise 0.6 CFM CFM 21 30 Rise 45 43 DIP SWITCH SETTING 0.1 *MEC960402BN CFM 0.3 CFM Rise CFM 0.4 694 694 932 667 1095 611 611 882 546 1046 535 535 819 466 996 Rise 0.5 0.6 0.7 0.8 CFM Rise CFM CFM CFM 471 471 773 413 946 415 415 695 357 890 357 357 650 302 834 313 313 586 847 847 989 856 1143 Ylo Y 856 960 667 898 546 840 466 780 413 711 357 659 302 596 N/A ON ON OFF Ylo Y 960 1143 898 1095 840 1046 780 996 711 946 659 890 596 834 547 778 OFF ON OFF Ylo Y 960 847 898 694 840 611 780 535 711 471 659 415 596 357 547 313 OFF OFF ON Ylo Y 960 989 898 932 840 882 780 819 711 773 659 695 596 650 547 586 OFF ON ON Ylo Y 856 1143 667 1095 546 1046 466 996 413 946 357 890 302 834 N/A ON OFF ON Ylo Y 989 1143 932 1095 882 1046 819 996 773 946 695 890 650 834 586 778 ON ON ON Ylo Y 989 856 932 667 882 546 819 466 773 413 695 357 650 302 N/A All DIP Sw itch Positions All DIP Sw itch Positions OFF OFF OFF ON OFF OFF 6 0.2 CFM Rise G W1 W2 Ylo Y All DIP Sw itch Positions FACTORY SETTING Rise 29 36 36 38 41 40 47 43 53 46 N/A 778 547 778 586 *MEC96 AIRFLOW DIP SWITCH SETTING 0.1 0.2 CFM Rise CFM Rise CFM G W1 W2 Ylo Y 894 894 1328 782 1236 846 846 1287 629 1189 780 780 1249 547 1149 ON OFF OFF Ylo Y 782 1149 629 1104 547 1057 469 1017 396 963 333 918 N/A 865 N/A 822 ON ON OFF Ylo Y 1149 1236 1104 1189 1057 1149 1017 1101 963 1066 918 1017 865 969 822 928 OFF ON OFF Ylo Y 1149 894 1104 846 1057 780 1017 720 963 660 918 603 865 554 822 505 OFF OFF ON Ylo Y 1149 1328 1104 1287 1057 1249 1017 1215 963 1170 918 865 822 1131 1085 1046 OFF ON ON Ylo Y 782 1236 629 1189 547 1149 469 1101 396 1066 333 N/A 1017 969 ON OFF ON Ylo Y 1328 1236 1287 1189 1249 1149 1215 1101 1170 1066 1131 1085 1046 1017 969 928 ON ON ON Ylo Y 1328 782 1287 629 1249 547 1215 469 1170 396 1131 1085 1046 333 N/A N/A *MEC960603BN All DIP Switch Positions All DIP Switch Positions FACTORY SETTING All DIP Switch Positions OFF OFF OFF 42 40 0.3 44 41 0.5 0.4 Rise 48 43 CFM 720 720 1215 469 1101 Rise 52 44 0.6 0.7 0.8 CFM Rise CFM CFM 660 660 1170 396 1066 603 554 505 603 554 505 1131 1085 1046 333 N/A N/A 1017 969 928 57 46 CFM N/A 928 DIP SWITCH SETTING 0.1 *MEC960803BN CFM 0.2 0.3 CFM Rise CFM Rise CFM 0.4 1172 1172 1293 644 1068 1128 1128 1249 569 1025 1087 1087 1203 507 984 Rise 0.5 0.6 0.7 0.8 CFM Rise CFM CFM CFM 1049 1049 1172 442 941 1005 959 922 1005 959 922 1122 1088 1041 388 328 N/A 885 N/A 801 G W1 W2 Ylo Y 1221 1221 1311 750 1111 ON OFF OFF Ylo Y 750 894 644 842 569 784 507 726 442 682 388 618 328 562 N/A ON ON OFF Ylo Y 894 1111 842 1068 784 1025 726 984 682 941 618 885 562 N/A 519 801 OFF ON OFF Ylo Y 894 1221 842 1172 784 1128 726 1087 682 1049 618 1005 562 959 519 922 OFF OFF ON Ylo Y 894 1311 842 1293 784 1249 726 1203 682 1172 618 562 519 1122 1088 1041 OFF ON ON Ylo Y 750 1111 644 1068 569 1025 507 984 442 941 388 885 ON OFF ON Ylo Y 1311 1111 1293 1068 1249 1025 1203 984 1172 941 1122 1088 1041 885 N/A 801 ON ON ON Ylo Y 1311 750 1293 644 1249 569 1203 507 1172 442 1122 1088 1041 388 328 N/A All DIP Sw itch Positions FACTORY SETTING Rise All DIP Sw itch Positions All DIP Sw itch Positions OFF OFF OFF 41 54 42 55 44 57 46 59 47 61 328 N/A 519 N/A 801 7 *MEC96 AIRFLOW DIP SWITCH SETTING 0.1 *MEC961004CN CFM 0.2 0.3 CFM Rise CFM Rise CFM 0.4 1464 1464 1803 890 1713 1402 1402 1749 805 1662 1338 1338 1698 710 1609 Rise 0.5 0.6 0.7 0.8 CFM Rise CFM CFM CFM 1280 1280 1653 620 1540 1230 1230 1594 553 1498 1167 1167 1549 474 1452 1101 1101 1504 406 1399 474 880 406 820 G W1 W2 Ylo Y 1522 1522 1861 1004 1772 ON OFF OFF Ylo Y 1004 1312 890 1235 805 1170 710 1101 620 1037 553 962 ON ON OFF Ylo Y 1312 1772 1235 1713 1170 1662 1101 1609 1037 1540 962 880 820 1498 1452 1399 OFF ON OFF Ylo Y 1312 1522 1235 1464 1170 1402 1101 1338 1037 1280 962 880 820 1230 1167 1101 OFF OFF ON Ylo Y 1312 1861 1235 1803 1170 1749 1101 1698 1037 1653 962 880 820 1594 1549 1504 OFF ON ON Ylo Y 1004 1772 890 1713 805 1662 710 1609 620 1540 553 474 406 1498 1452 1399 ON OFF ON Ylo Y 1861 1772 1803 1713 1749 1662 1698 1609 1653 1540 1594 1549 1504 1498 1452 1399 ON ON ON Ylo Y 1861 1004 1803 890 1749 805 1698 710 1653 620 1594 1549 1504 553 474 406 All DIP Sw itch Positions All DIP Sw itch Positions FACTORY SETTING Rise All DIP Sw itch Positions OFF OFF OFF 41 48 43 49 44 51 47 52 49 54 DIP SWITCH SETTING *MEC961205DN 0.3 0.4 0.5 0.6 0.7 0.8 CFM Rise CFM Rise CFM Rise CFM Rise CFM Rise CFM CFM CFM 1796 1796 2211 1106 1683 1753 1753 2162 1017 1628 1697 1697 2122 946 1565 1645 1645 2076 855 1511 1589 1589 2029 764 1445 1536 1536 1986 681 1387 ON OFF OFF Ylo Y 1106 1399 1017 1327 946 1259 855 1185 ON ON OFF Ylo Y 1399 1683 1327 1628 1259 1565 OFF ON OFF Ylo Y 1399 1796 1327 1753 OFF OFF ON Ylo Y 1399 2211 OFF ON ON Ylo Y ON OFF ON ON ON ON All DIP Sw itch Positions All DIP Sw itch Positions OFF OFF OFF 8 0.2 G W1 W2 Ylo Y All DIP Sw itch Positions FACTORY SETTING 0.1 1478 1478 1984 605 1340 1425 1425 1942 N/A 1276 764 1118 681 605 1051 980 N/A 913 1185 1511 1118 1445 1051 980 913 1387 1340 1276 1259 1697 1185 1645 1118 1589 1051 980 913 1536 1478 1425 1327 2162 1259 2122 1185 2076 1118 2029 1051 980 913 1986 1984 1942 1106 1683 1017 1628 946 1565 855 1511 764 1445 681 605 N/A 1387 1340 1276 Ylo Y 2211 1683 2162 1628 2122 1565 2076 1511 2029 1445 1986 1984 1942 1387 1340 1276 Ylo Y 2211 1106 2162 1017 2122 946 2076 855 2029 764 1986 1984 1942 681 605 N/A 42 48 43 49 44 50 45 51 47 53 *MEC96 WIRING DIAGRAMS NO NO L N WH DISCONNECT PU RD WH HI 3 C 2 PU TO 115VAC/ 1 /60 HZ POWER SUPPLY WITH OVERCURRENT PROTECTION DEVICE OR BR FLAME SENSOR C GY NO FRONT COVER PRESSURE SWITCH MANUAL RESET ROLLOUT LIMIT CONTROLS (SINGLE CONTROL ON 30 kBTU AND 40 kBTU) BL OR AUTO RESET PRIMARY LIMIT CONTROL PU 2 1 GN INDUCED DRAFT BLOWER WH RD BK 3 DISCONNECT JUNCTION BOX GND INDOOR AIR CIRCULATOR BLWR GND GND BURNER COMPARTMENT NEUTRAL LINE YL PK HUM-OUT RD BK RD WH WH PK BR 24V THERMOSTAT CONNECTIONS OR CIRC-H 5 CIRCUIT CONNECTOR L1 T3 S1 S2 Y1 PU YL 4 7 10 2 5 8 11 3 6 9 12 AUTO RESET PRIMARY LIMIT CONTROL HLO (11) PS1 (12) C NO W2 Y2 PS2 (2) TO MICRO G PK BR LOW FIRE PRESS. SWITCH NO C HIGH FIRE PRESS. SWTICH MANUAL RESET ROLLOUT LIMIT CONTROLS HLI (6) O BR 1 TH (5) AUTO RESET AUXILIARY LIMIT CONTROLS W1 DEHUM LED’S NEUTRAL 40 VA TRANSFORMER 24 VAC TO +VDC GN BL GY DIAGNOSTIC FLAME SENSOR 115 VAC FUSE 3 A R NEUTRAL HOT SURFACE IGNITER FS NEUTRAL NEUTRAL ID BLWR IND LO IGN LINE HUM X-FMR T4 EAC-H T1 COM T2 LINE NEUTRAL ELECTRONIC AIR CLEANER IND HI WH WH WH BK BK BK NEUTRAL HUMIDIFIER HUM EAC RD BK MVL (7) MVC (8) C NO FRONT COVER PRESSURE SWITCH C MVH (1) OR G C TWIN 24 V 3 A HI 5 4 3 WH RD GN BK WH GND BK BLOWER COMPARTMENT DOOR SWITCH (OPEN WHEN DOOR OPEN) CIRCULATOR BLOWER RED LED FLASH CODE STEADY ON = INTERNAL GV ERROR, MICRO AND FREQUENCY CHECK 0 RAPID = TWINNING ERROR 1 1 FLASH = FLAME SENSED WHEN NO FLAME SHOULD BE PRESENT 2 2 FLASHES = PRESSURE SWITCH STUCK CLOSED/INDUCER ERROR 3 3 FLASHES = 1ST STAGE PRESSURE SWITCH STUCK CLOSED/INDUCER ERROR 4 4 FLASHES = OPEN LIMIT SWITCH 5 5 FLASHES = OPEN ROLLOUT/OPEN FUSE DETECTED 6 6 FLASHES = PRESSURE SWITCH CYCLE LOCKOUT 7 7 FLASHES = EXTERNAL LOCKOUT (RETRIES) 8 8 FLASHES = EXTERNAL LOCKOUT (RECYCLES) 9 9 FLASHES + GROUNDING OR REVERSED POLARITY 10 10 FLASHES = GAS FLOW WITH NO CALL FOR HEAT 11 11 FLASHES = LIMIT SWITCH OPEN-BLOWER FAILURE 12 12 FLASHES = IGNITOR RELAY FAILURE 3 DOUBLE FLASHES = 2ND STAGE PRESSURE SWITCH STUCK OPEN/INDUCER ERROR AMBER LED FLASH CODE 0 RAPID GND INTEGRATED CONTROL MODULE NOTES: 1. SET HEAT ANTICIPATOR ON ROOM THERMOSTAT AT 0.7 AMPS. 2. MANUFACTURER’S SPECIFIED REPLACEMENT PARTS MUST BE USED WHEN SERVICING. 3. IF ANY OF THE ORIGINAL WIRE AS SUPPLIED WITH THE FURNACE MUST BE REPLACED IT MUST BE REPLACED WITH WIRING MATERIAL HAVING A TEMPERATURE RATING OF AT LEAST 105 $C. USE COPPER CONDUCTORS ONLY. 4. UNIT MUST BE PERMANENTLY GROUNDED AND CONFORM TO N.E.C. AND LOCAL CODES. 5. TO RECALL THE LAST 6 FAULTS, MOST RECENT TO LEAST RECENT, DEPRESS SWITCH FOR MORE THAN 2 SECONDS WHILE IN STANDBY (NO THERMOSTAT INPUTS) = LOW FLAME SENSE CURRENT 1 1 FLASH = NORMAL OPERATION WITH CALL FOR 1ST STAGE HEAT (W1) 2 2 FLASHES = NORMAL OPERATION WITH CALL FOR 2ND STAGE HEAT 3 3 FLASHES = W2 PRESENT WITH NO W1 4 INDOOR AIR CIRCULATOR BLWR TO MICRO BK WH 40 VA 4 3 2 1 TRANSFORMER 2 BK WH OR 1 TO R 115 VAC 24 VAC ECM MTR HARNESS BK OR BL GY RD GND TR (9) FUSE PM C GAS VALVE GND (4) YLO Y W1 W2 R INTEGRATED CONTROL MODULE INTEGRATED CONTROL MODULE PU AUTO RESET AUXILIARY LIMIT CONTROL BK RD WH BLOWER COMPARTMENT BL RD OR N DOOR SWITCH CHASSIS GROUND BL PK GND L WARNING: DISCONNECT POWER BEFORE SERVICING. WIRING TO UNIT MUST BE PROPERLY POLARIZED AND GROUNDED. GY BR TWO STAGE GAS VALVE PM 1 (WHITE RODGERS) HIGH VOLTAGE! DISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING THIS UNIT. MULTIPLE POWER SOURCES MAY BE PRESENT. FAILURE TO DO SO MAY CAUSE PROPERTY DAMAGE, PERSONAL INJURY OR DEATH. WARNING:DISCONNECT POWER BEFORE SERVICING. WIRING TO UNIT MUST BE PROPERLY POLARIZED AND GROUNDED. BK OR HIGH FIRE PRESSURE SWITCH C 2 CIRCUIT CONNECTOR 1 YL YL BR C JUNCTION BOX OR PU GY OR LOW FIRE PRESSURE SWITCH 2 GN GRD ID BLOWER TWO-STAGE PRESSURE SWITCH ASSEMBLY HOT SURFACE IGNITER TO 115 VAC/ 1 /60 HZ POWER SUPPLY WITH OVERCURRENT PROTECTION DEVICE GND 4 FLASHES = Y PRESENT WITH NO G CALL, YLO PRESENT WITH NO G CALL GREEN LED FLASH CODE STEADY ON = STANDBY 0 RAPID = NORMAL OPERATION WITH CALL FOR FAN (G) 1 1 FLASH = NORMAL OPERATION WITH CALL FOR EQUIPMENT GND COLOR CODES: PK PINK FIELD GND BR BROWN FIELD SPLICE WH WHITE BL BLUE SWITCH (TEMP.) GY GRAY IGNITER RD RED YL YELLOW SWITCH (PRESS.) OR ORANGE OVERCURRENT PU PURPLE PROT. DEVICE GN GREEN JUNCTION BK BLACK TERMINAL INTERNAL TO INTEGRATED CONTROL LOW STAGE COOL (YLO + G) 2 2 FLASHES = NORMAL OPERATION WITH CALL FOR HIGH STAGE COOL/ OR SINGLE STAGE COOLING (Y + G) 0140F02011-A PLUG CONNECTION LOW VOLTAGE (24V) LOW VOLTAGE FIELD HI VOLTAGE (115V) HI VOLTAGE FIELD Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring. 9