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PCB |
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| NOTE #14 | NOTE #11 |
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NOTE #9 |
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| R | DSS |
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| OFF |
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| (NOT ON ALL MODELS) | DELAY | SW1 |
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| NOTE #13 | |
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120 | VAC |
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L1 | PR1 |
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| NOTE #4 | ||
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TO 115VAC FIELD DISCONNECT |
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| SCHEMATIC DIAGRAM | |||||
L1 | L2 |
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| (NATURAL GAS & PROPANE) | ||||
NOTE #4 |
| EQUIPMENT GROUND |
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ILK |
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L1 | BLWR |
| NOTE #7 |
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| PR1 | 115VAC |
| PR2 | 1 |
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| 24VAC |
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TEST/TWIN | FU1 | NOTE #6 |
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| FRS1 |
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NOTE #12 |
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| 7 |
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HUM |
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| (WHEN USED) |
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| FL | ||
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| 1 | NOTE #11 |
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R |
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| LS | ||
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| NOTE #13 | |
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W |
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| NOTE #13 | LGPS | PRS |
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| 4 | PL1 | (WHEN USED) | ||
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| HSIR | BLWR |
| HI/LO |
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| IDR |
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| GVR |
| DSS | NOTE #14 |
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| BVSS |
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| NOTE #14 | |
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| (WHEN USED) | |
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| NOTE #15 | ||
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| 2 |
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Y |
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LEGEND
ALS | AUXILIARY LIMIT SWITCH, OVERTEMP. |
BLWR | BLOWER MOTOR RELAY, |
BLWM | BLOWER MOTOR |
BVSS | BLOCKED VENT SHUTOFF SWITCH, SPST - (N.C.) |
CAP | CAPACITOR |
CPU | MICROPROCESSOR AND CIRCUITRY |
DSS | DRAFT SAFEGUARD SWITCH |
FL | FUSIBLE LINK |
FRS | FLAME ROLLOUT SW. |
FSE | FLAME PROVING ELECTRODE |
FU1 | FUSE, 3 AMP, AUTOMOTIVE BLADE TYPE, FACTORY INSTALLED |
FU2 | FUSE OR CIRCUIT BREAKER CURRENT INTERRUPT DEVICE |
| (FIELD INSTALLED & SUPPLIED) |
GV | GAS |
GVR | GAS VALVE RELAY, |
HI/LO | BLOWER MOTOR SPEED CHANGE RELAY, SPDT |
HSI | HOT SURFACE IGNITOR (115 VAC) |
HSIR | HOT SURFACE IGNITOR RELAY, |
HUM | 24VAC HUMIDIFIER CONNECTION (.5 AMP. MAX.) |
IDM | INDUCED DRAFT MOTOR |
IDR | INDUCED DRAFT RELAY, |
ILK | BLOWER ACCESS PANEL INTERLOCK SWITCH, |
JB | JUNCTION BOX |
LED | |
LGPS | LOW GAS PRESSURE SWITCH, |
LS | LIMIT SWITCH, AUTO RESET, SPST(N.C.) |
OL |
| PCB | PRINTED CIRCUIT BOARD | |||
| PL1 | ||||
| PL2 | ||||
| PL3 | ||||
| PL5 | ||||
| PRS | PRESSURE SWITCH, | |||
| TEST/TWIN | COMPONENT TEST & TWIN TERMINAL | |||
| TRAN | ||||
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| JUNCTION |
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| UNMARKED TERMINAL |
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| PCB TERMINAL |
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| FACTORY WIRING (115VAC) |
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| FACTORY WIRING (24VAC) |
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| FIELD WIRING (115VAC) |
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| FIELD WIRING (24VAC) |
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| CONDUCTOR ON PCB |
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| FIELD WIRING TERMINAL |
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| FIELD GROUND |
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| EQUIPMENT GROUND |
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| FIELD SPLICE |
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| PLUG RECEPTACLE |
8 | NOTE #5 |
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G |
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5 | FSE |
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6 | NOT USED |
COM | NOT USED |
9 |
NOTES: