Thermaco Big Dipper W-1250-AST, Installation & Operation Instructions

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©2013 Thermaco, Inc. All rights reserved • Patented/Patents Pending • Specifications subject to change without notice
Thermaco, Inc. • 646 Greensboro St. • Asheboro, N. C. 27204-2548 • Phone (336) 629-4651
MNL-ASTCU14000 13
Big Dipper
®
AST System
Wiring Diagram
NOTE:
220-240V Units (International Units) have the
following wire color changes:
On the POWER SUPPLY CORD:
The Black Wire becomes Brown
The White Wire becomes Blue
The Green Wire becomes Yellow/Green
Timer Module Wiring Diagram
For Big Dipper Model W-1250-AST only
1 2 3 4 5
TIMER
MOTOR
HEATER
THERMOSTAT
GREEN
WHITE
BLACK
WHITE
WHITE
BLACK
BLACK
WHITE
WHITE
WHITE
POWER SUPPLY CORD
BLACK
BLACK
FULLY INSULATED
QUICK CONNECT
PIGGY-BACK
CONNECTOR
FULLY INSULATED
FEMALE CONNECTOR
BLACK
RED
RED
INTERCHANGE FULLY INSULATED
QUICK CONNECTORS TO CHANGE
HEATER OPERATING MODE. RED
WIRE TO THERMOSTAT GIVES
SIMULTANEOUS HEATER/MOTOR
OPERATION. BLACK WIRE TO
THERMOSTAT GIVES CONTINUOUS
HEATER OPERATION.
NEON
LAMP
GREEN
GREEN
RING TERMINALS TO GROUND STUD
ON MOTOR MOUNT BRACKET
GROUND WIRE ATTACHED
TO HEATER
SWITCH CONNECTOR
HEATER
CONTROL
SWITCH
WHITE
BLACK
BLACK
MOTOR
TEST
SWITCH
INTERLOCK
SWITCH
PLUG/PIN
CAP/SOCKT
1
2
B. KYLES 10/04/02
N/A
N/A
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  
  
WIRING DIAGRAM FOR C SERIES BIG DIPPER
B. KYLES 10/04/02
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ALL 12 BWK 03/01/11
ALL 13 BWK 03/15/11
ALL 14 BWK 05/26/11