Instruction Manual for MAYTAG models including: MG2R Gas Furnace, MG2R, Gas Furnace, Furnace
MG2R | Gas Furnace | Maytag | Literature Library
MG2R | Gas Furnace | Unbranded | Literature Library
MG2R | Gas Furnace | Miller | Literature Library
COM X T4 T3 T2 T1 EAC-H 120V HUM-H CIRC-H XFRM-H LINE-H WIRING DIAGRAM For 80+ and 90+ Single Stage Furnaces Refer to the Installation Instructions provided with the furnace for the proper heating and cooling speeds for your application. Red LED Flash Error/Condition Flash codes stored in memory (auto-erased after 14 days) 1 System Lockout (Retries Exceeded) 2 Pressure Switch Stuck Closed 3 Pressure Switch Stuck Open 4 Open High Temperature Limit Switch 5 Flame Sensed>4.25 Seconds with Gas Valve De-Energized 6 Open Flame RO Switch 8 Ignitor Relay Error 10 Open Fuse 11 Ignitor Open 12 Inducer Relay Error Flash codes NOT stored in memory 7 Low Flame Sense Signal 9 Twinning Fault Control Failure / No Power / Internal Fault / IRQ Loss Off Gas Heating Lockout (Gas valve energized when it should be de-energized) Or Gas valve De-energized when it should be Energized Rapid Flash Reverse Polarity Continuous On Normal Operation PRESSURE SWITCH ORANGE SUPPLY AIR LIMIT ORANGE BLUE BLUE W/ WH STRIPE VENT LIMIT FLAME ROLLOUT If any of the original wire as supplied with the furnace must be replaced, it must be replaced with wiring material having a temperature of at least 105 C. Use copper conductors only. GREEN FLAME SENSOR RED GAS VALVE YELLOW YELLOW Motor SPEED Cool Cool Motor SPEED DIPSWITCH SETTING (S1-1, S1-2, S1-3) 123 123 123 123 123 123 123 123 Position OFF OFF OFF ON OFF OFF ON ON OFF OFF ON OFF OFF OFF ON OFF ON ON ON OFF ON ON ON ON Y T1 T2 T3 T4 T1+T2 T1 T1 T1 Heat Motor SPEED DIPSWITCH SETTING (S2-1, S2-2) 12 12 12 12 Position OFF OFF ON OFF ON ON OFF ON Motor SPEED W T1 T2 T3 T4 Heat Fan Motor SPEED DIPSWITCH SETTING (S2-3, S2-4) 12 12 12 12 Position OFF OFF ON OFF OFF ON ON ON Motor SPEED G T1 T2 T4 T1+T2 Fan 1 1 WHITE 2 2 BLK W/ WHITE STRIPES IGNITOR GREEN R C INDUCER 11 22 BLUE BLUE WHITE BLACK WHITE WHITE BLUE BLK W/ WHITE STRIPES BLACK WHITE 24 V WHITE W/ BLK STRIPES 120 V 1234 1234 LINE-N XFMR-N CIRC-N 120V HUM-N EAC-N IND-N IGN-N 321 654 987 12 11 10 Y/ DHUM Y Y1 Y2 W R G C LEGEND: FIELD WIRING LOW VOLTAGE HIGH VOLTAGE GREEN WHITE BLACK BLACK DOOR SWITCH BLUE BLUE MOTOR 1 2 3 4 5 N L CG GREEN NOTE: FOR BLOWER WIRING SEE BLOWER TABLE LITERATURE RED ORANGE BLUE BLACK WHITE BLACK GRAY 123456789 123456789 RED ORANGE BLUE BLACK WHITE BLACK GRAY BLOWER DECK LIMIT 10436180 (New) 06/22Acrobat Distiller 22.0 (Windows)