G24−200 FIELD WIRING DIAGRAM (120V SINGLE PH 60HZ)
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| FUSED OR CIRCUIT BREAKER | |
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| DISCONNECT |
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| (Furnished by |
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| COMBUSTION | PRIMARY |
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| COMBUSTION | PRIMARY | PRESSURE | installer) |
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| PRESSURE |
| L1 N | GND | |||||||||
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| AIR BLOWER | LIMIT |
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| AIR BLOWER | LIMIT | SWITCH | ||||||
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| SWITCH |
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| GAS | IGNITION |
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| GAS | IGNITION |
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| CONTROL |
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| CONTROL |
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| VALVE |
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| VALVE |
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| BOARD |
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| BOARD |
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| FLAME ROLLOUT |
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(Alternate |
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| SWITCH |
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DOOR |
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| DOOR |
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box right side) |
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INTERLOCK |
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| INTERLOCK |
| BLOWER DECK |
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| RED L1 |
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| 1 | 2 | 3 | 4 J84 |
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| RED |
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| L1 |
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| RED L3 |
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| RED |
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| PLUG | L3 | RED |
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| BLUE |
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| MAKE−UP BOX | (Alternate |
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| RED |
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| T13 TRANSFORMER | box left side) |
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| REMOVE FACTORY- | ||||
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| See Note 3 |
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| T3 TRANSFORMER |
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| INSTALLED JUMPER IN | |||
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| WHITE |
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| See Note 3 |
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| RED |
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| R3 | THERMOSTAT |
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| TERMINAL STRIP |
| BLACK |
| BLACK |
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| See Note 2 |
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| TB34 | RED | WHITE |
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| C |
| C |
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| See Note 1 |
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| 1 |
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| W1 |
| W1 |
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| 5 | 1 |
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| G |
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RELAY |
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| 2 |
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| G |
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K109 |
| 7 | 2 | GROUND |
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| BLUE |
| W2 |
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| LUG |
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| W2 |
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| BLACK |
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| YELLOW |
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| Y1 |
| Y1 |
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| YELLOW |
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RELAY |
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| BLUE |
| WHITE |
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| L1 | L2 L3 | Y2 |
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| 7 |
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K105 |
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| BLUE |
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| R |
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| R |
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RELAY |
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| T1 | T2 T3 |
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K13 |
| 4 |
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| ECONOMIZER |
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| K3 CONTACTOR |
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| ECON |
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| CONTROL BOX | T1 TRANSFORMER |
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| TB1 TERMINAL STRIP |
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| 24v: blue − yellow |
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| 120v: black − white |
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| BLOWER MOTOR |
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NOTES : | 1 − Relay K109 can be used for an accessory rated at the same voltage as power supply. |
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| 2 − Field installed and supplied resistor (R3), is required in |
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| stat. (Use a 150 ohm, 10 watt resistor − Lennox part number P−8−6256.) |
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| 3 − The T3 and T13 transformers (54G5201) are marked as follows: 230v between white and black leads and 460v between |
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| white and red leads. However, in this application, each transformer has been used to supply 230v (available between the |
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| white and red leads) to an induce draft blower when 115v is applied between the white and black leads of each transformer. |
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| FACTORY INSTALLED |
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| LINE VOLTAGE FIELD INSTALLED |
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| 24 VOLTS FIELD INSTALLED |
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FIGURE 15
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