Инструкции на Контроллеры Lennox серии G24...

Текст инструкции

1. Стр. 1

   2000 Lennox Industries Inc. Dallas, Texas GAS KITS & ACCESSORIES 504,040M 05/2000 Supersedes 01/2000 Litho USA IGNITION CONTROL REPLACEMENT KIT INSTALLATION INSTRUCTIONS FOR IGNITION CONTROL REPLACEMENT KIT 53L75 USED WITH G24M-2T/4T, G24E-2T/4T/6T AND G24MCEĆ2T/4T/5T FURNACES Application WARNING…

2. Стр. 2 b - Reconnect yellow wire from 24V side of

   transformer to GND" terminal on control board. c - Reconnect green/yellow wire from transformer mounting screw to GND" terminal of control board. d - Reconnect black wire from 240V" terminal on transformer to L1" terminal on control board. e - Reconnect the white wire from common 240V power supply…

3. Стр. 3 12 - Remove existing wiring diagram sticker, located on the

   inside surface of unit access panel, and replace with 533,093W wiring diagram sticker (provided). 13 - Remove the diagnostic sticker from blower access panel and replace with LB-84882 (provided). 14 - Affix unit conversion sticker (LB-95389) beside existing rating plate located on the inside…

4. Стр. 4 EGC-3ACE Control Board Operation

   StartĆUp EGC-3ACE Integrated Blower and Ignition Control Board BEFORE LIGHTING smell all around the appliance area for gas. Be sure to smell next to the floor because some types of gas are heavier than air and will settle on the floor. The EGC-3ACE control board controls blower operation and fan off…

5. Стр. 5 INSTALLATION OF EGCĆ3ACE IGNITION CONTROL BOARD

   G24MĆ2T/4T AND G24MCEĆ2T/4T/5T MODELS (Upflow Orientation Shown) POSITION THE ADAPTER PLATE AS SHOWN. (Distances are from the edges of the plate to the board standoff holes) USE THESE TWO EXISTING SECURING SCREW HOLES, PREVIOUSLY USED WITH THE EXISTĆ ING CONTROL BOARD, FOR SECURING THE ADAPTER…

6. Стр. 6 WIRING DIAGRAM FOR G24MĆ2T/4T MODELS WITH EGC-3ACE (49L9401) CONTROL BOARD

   P20 FEMALE PLUG COMBUSTION AIR BLOWER BLACK W/MOTOR RED L2 BLUE L1 BROWN BROWN BLACK CAPACITOR BLOWER MOTOR FEMALE PLUG WITH MALE PINS (15) BROWN 7 YELLOW ORANGE PRESSURE SWITCH NO ORANGE BLUE 13 SENSOR BROWN 14 BROWN MAIN UNIT HARNESS J166 (15 PIN) BLOWER HARNESS PLUG BLOWER LIMIT REPLACEMENT…

7. Стр. 7 WIRING DIAGRAM FOR G24EĆ2T/4T/6T MODELS WITH EGC-3ACE (49L9401) CONTROL BOARD

   P20 FEMALE PLUG COMBUSTION AIR BLOWER BLACK W/MOTOR BROWN WHITE WHITE YELLOW FLAME IGNITOR RED BLUE L1 BROWN 24V 240V 24V COM BROWN BLACK POWER SUPPLY CONNECTION CAPACITOR FEMALE PLUG WITH MALE PINS (15) 2 BROWN ROLL OUT #2 ROLL OUT #1 BROWN 7 YELLOW ORANGE REPLACEMENT REPLACEMENT WIRES EXISTING…

8. Стр. 8 WIRING DIAGRAM FOR G24MCEĆ2T/4T/5T MODELS WITH EGC-3ACE (49L9401) CONTROL BOARD

   BROWN FLAME YELLOW RED L2 BLUE L1 BROWN BROWN POWER SUPPLY TERMINAL STRIP CAPACITOR BLOWER MOTOR 7 BROWN FEMALE PLUG WITH MALE PINS (15) REPLACEMENT REPLACEMENT WIRES EXISTING WIRES RECONNECTED EXISTING WIRES COM BLUE ORANGE BLUE SENSOR 13 ORANGE 14 BROWN MAIN UNIT HARNESS J166 NO ORANGE WHITE 12 15…

9. Стр. 9

   FROM 3MC5 (33J6201) CONTROL BOARD TO EGC-3ACE (49L9401) CONTROL BOARD FIGURE 7 Page 9

10. Стр. 10

    FROM 3MC5 (33J6201) CONTROL BOARD TO EGC-3ACE (49L9401) CONTROL BOARD FIGURE 8 Page 10

11. Стр. 11 WIRING DIAGRAM FOR G24MCEĆ2T/4T/5T UNITS CONVERTED

    FROM 3MC6 (82J7401) CONTROL BOARD TO EGC-3ACE (49L9401) CONTROL BOARD FIGURE 9 Page 11

12. Стр. 12 Ignition Control Board Diagnostic Codes

    EGC-3ACE INTEGRATED CONTROL BOARD RED DIAGNOSTIC BUTTON (Depress button and hold for display of last failure code.) DIAGNOSTICS LEDS DIAGNOSTIC CODE ERASE JUMPER (Remove power to control and short pins for 10 seconds to erase previous code.) L1 GND DSI BOARD DIAGNOSTIC PATTERNS DIAG 1 Flashing…

13. Стр. 13 HEATING SEQUENCE OF OPERATION

    ABNORMAL HEATING MODE NORMAL HEATING MODE GAS VALVE OFF. COMB. BLOWER ON. INDOOR BLOWER ON HEAT SPEED. SEQUENCE HOLDS UNTIL NO FLAME SENSED OR MAIN POWER IS INTERRUPTED AND RESET. DIAG. CODE: 1- FLASHING; 2-OFF (FLAME SENSED WITHOUT VALVE ENERGIZED) CONTROL MAIN POWER ON" FLAME OFF? NO YES CONTROL…

14. Стр. 14 COOLING SEQUENCE OF OPERATION

    NORMAL COOLING MODE ABNORMAL COOLING MODE POWER ON IGNITION CONTROL MAIN POWER ON. CONTROL SELF DIAGNOSTIC CHECK. IS CONTROL OPERATING NORMALLY? NO YES ROLLOUT OR CAPILLARY TUBE LIMIT SWITCH MONITORED CONTINUOUSLY. IS ROLLOUT SWITCH CLOSED? NO GAS VALVE OFF. COMBUSTION AIR BLOWER OFF. INDOOR BLOWER…

15. Стр. 15 CONTINUOUS LOW SPEED FAN SEQUENCE OF OPERATION

    LED: Slow flash rate. REMAINS UNCHANGED THROUGHOUT SEQUENCE. CONTINUOUS FAN SELECTION MADE AT THERMOSTAT. CONTROL ENERGIZES SYSTEM FAN AT CONTINUOUS SPEED. ACC TERMINAL ENERGIZED. THERMOSTAT CALLS FOR HEAT. NO YES SYSTEM FAN SWITCHES TO HEATING SPEED AFTER SELECTED DELAY. ACC TERM. REMAINS…

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