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Portable Dryer Troubleshooting
16
Wiring Reference
1200 Series Control Box Wiring
52 TOTAL TERMINALS
SAFETY CIRCUIT
NEED JUMPER
NEED JUMPER
RED
53 TOTAL TERMINALS
15 - RED
4 - BLUE
1 - WHITE/BLACK
3 - BLACK (1-16GA)
9 - WHITE (1-16GA
2 - BROWN
4 - PURPLE
4 - ORANGE)
-12VDC
AIR PRESSURE SWITCH +12VDC
1200EW98.PRT REV. DATE 3/5/98
HOOK OTHER SIDE
OF (N/C) SAFETY
TO J5-8 OR J5-9 --
J5-8
120 VAC (BLACK)AC 1
120 VAC NEUT (WHITE)
J9-3
RELAY CONTACTS LOCATED
IN FAN CAN CONTROL BOX
MERCURY SWITCH LOCATED
ON TOP OF DRYER
RELAY CONTACTS LOCATED
IN FAN CAN CONTROL BOX
AUX CONTACT POINTS FOR LOAD AND UNLOAD SYSTEMS
ALL VOLTAGE SUPPLIED BY USER
LOAD AUX N/O (YELLOW)
L-N/O
LOAD AUX COM (YELLOW)
L-COM
UNLOAD AUX N/O(ORANGE)
U-N/O
UNLOAD AUX COM(ORANGE)
U-COM
*LOCATED AT REAR OF DRYER
ALL SAFETIES MUST BE CLOSED FOR DRYER TO OPERATE
COLORVOLTAGE
TERMINAL
WIRING
DESCRIPTION
120VAC FOR AUX LOAD CONTACTOR COIL
120VAC FOR AUX UNLOAD CONTACTOR COIL
CUSTOMER SUPPLIED SAFETY RED
12 VOLTS DC (RED)
J1-20
SCR 2
J6-4
J6-1
J8-20
CONTROL POT P3 (PUR)
CONTROL POT P2 (PUR)
CONTROL POT P1 (PUR)
120 VAC (ORANGE)
120 VAC NEUT (WHITE)
120 VAC NEUT (WHITE)
120 VAC (BLUE)
120 VAC (BLUE)
120 VAC NEUT (WHITE)
120 VAC (YELLOW)
120 VAC NEUT (WHITE)
120 VAC (ORANGE)
120 VAC NEUT (WHITE)
J8-10
J9-17
J8-12
J9-19
J8-14
J8-8
J8-18
J8-9
J8-16
RED
OR
OR
MOTOR OVERLOADS
120 VAC (BLACK)
TEMP SENSOR (ORANGE)
TEMP SENSOR (ORANGE)
12 VOLTS DC NEG (WHITE)
12 VOLTS DC (RED)
NO LONGER USED
METER ROLL PULSE (PUR)
12 VOLTS DC (YELLOW)
120 VAC NEUT (WHITE)
120 VAC (BROWN)
120 VAC (BROWN)
120 VAC NEUT (WHITE)
120 VAC (BLACK)
120 VAC NEUT (WHITE)
120 VAC (BLACK)
12 VOLTS DC (BLUE)
12 VOLTS DC (BLUE)
12 VOLTS DC (RED)
12 VOLTS DC (RED)
12 VOLTS DC (RED)
12 VOLTS DC (RED)
12 VOLTS DC (RED)
12 VOLTS DC (RED)
12 VOLTS DC (RED)
12 VOLTS DC (RED)
12 VOLTS DC (RED)
12 VOLTS DC (RED)
12 VOLTS DC (RED)
12 VOLTS DC (RED)
12 VOLTS DC (RED)
120 VAC (BLACK)
B1
B2
L1 WORK LIGHT
J4-12
BLK
RED
RED
OR
BRN
OR
RED
BLU
YEL
RED
BLK
WHT
BLK
RED
BLU
YEL
BLK
WHT
PUR
BLK
WHT
BRN
BRN
WHT
BLK
BLU
BLU
RED
OR
PUR
YEL
OR
PUR
YEL
RED
TEMP SENSOR
TEMP SENSOR
S2
S1
J7-3
BURNER #1 LIGHT
BURNER #2 LIGHT
J5-9
J5-12
J5-19
J5-16
*RIGHT METERING ROLL SENSOR
METERING ROLL NEGATIVE
J5-4
J7-8
J7-4
J9-16
J7-6
J9-18
J1-13
J1-14
J4-19
J5-5
J1-11
J1-12
J1-19
J1-9
J1-5
J1-7
J1-10
J1-6
J1-8
J5-8
METERING ROLL 12 VOLTS
*LEFT METERING ROLL SENSOR
OUT OF GRAIN SENSOR
MAXON NEUTRAL
MAXON POWER
BURNER #1 NEUTRAL
BURNER #1 POWER
BURNER #2 NEUTRAL
BURNER #2 POWER
FAN #1 PRESSURE SWITCH
FAN #2 PRESSURE SWITCH
ADJ. GRAIN HIGH LIMIT
FAN #2 PLENUM
FAN #1 PLENUM
*REAR DISCHARGE
FIXED GRAIN HIGH LIMIT
FAN #1 FLAME DETECTION
FAN #1 VAPOR HIGH LIMIT
FAN #1 HOUSING HIGH LIMIT
FAN #2 FLAME DETECTION
FAN #2 VAPOR HIGH LIMIT
FAN #2 HOUSING HIGH LIMIT