102
Competitor
| TRANSFORMER | FUSE |
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MONITORING | J5 |
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DISPLAY |
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1 |
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| RS485 COM PORTS |
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| J7 | 4 |
| J1 | 1 |
| J6 | ||
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| 3 |
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| 2019 | FLAME PROBE A |
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| 2 N | ||
FLAME PROBE B | J2 | J8 | 1 110VAC IN | 1 | |||||
12VDC NEGATIVE | - 18 | 17 | + 12VDC OUTPUT |
| 3 | RL1 N.O. | 3 | 4 | |
+ 12VDC OUTPUT | 16 | 15 | + 12VDC OUTPUT |
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| RL1 COMMON | 5 | 6 | |
GRAIN TEMP SENSOR | 14 | 13 - | TEMP SENSOR (GROUND) |
| IGN TRAN NEUTRAL | N7 | 8 | ||
PLENUM TEMP SENSOR | 12 | 11 | N/C AIRSWITCH (5 VDC) | RL3 N.O. SCR DRIVE OUT | 9 | 10 | |||
AIRSWITCH COM (DC NEG) | - 10 | 9 | N/O AIRSWITCH (5 VDC) |
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| RL3 COM SCR IN | 11 | 12 | |
STOP SWITCH |
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+12VDC OUTPUT | 8 | 7 | OUT OF GRAIN SWITCH |
| MAIN SOL NEUTRAL | N13 | 14 | ||
START SWITCH | 6 | 5 |
| CYCLE SOL NEUTRAL | N15 | 16 | |||
MOTOR OVERLOAD | 4 | 3 | REAR DISCHARGE SWITCH |
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| AC NEUTRAL | N17 | 18 N | |
1 | GRAIN/PLENUM HIGH LIMIT SWITCH |
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HOUSING | 2 |
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| LOAD COIL NEUTRAL | N19 | 20 | |||
- | 12 VDC GROUND | N | 110V NEUTRAL | +12V DC |
AC NEUTRAL INPUT RL1 N.C.
IGN TRANS PWR 120VAC NO CONNECTION
RL3 N.C.
MAIN SOL PWR 120VAC CYCLE SOL PWR 120VAC 120VAC TO I/O BOARD
LIGHT AC NEUTRAL SPARE AC OUTPUT
Grain
Wiring Reference
| 11.0 ON A |
| 20K SCALE |
| AT 70 DEGREES |
USING OHM METER BEGIN CHECKING | IF OHMS DOES NOT = 11.0 K |
THE SENSORS FOLLOWING FIG.1 | CHECK LOWER AND UPPER TERMINAL |
| STRIP |
FIG.1
See page 47 for resistance vs.
Temperature chart
IF MEASUREMENTS DO NOT = 11.0 K | IF NONE OF THE MEASUREMENTS = 11.0 K, |
CHECK CONNECTIONS IN WHITE | THEN CHECK EACH INDIVIDUAL SENSOR. |
JUNCTION BOX ON FAR LEFT AND |
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RIGHT SIDES FACING THE FAN END. | SENSORS COMP98.PRT |
Sensor Testing
Portable Dryer Troubleshooting
