©2001 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-AST 15
®
AST
Wiring Diagram
W-300-AST & W-500-AST
WIRING DIAGRAM FOR BIG DIPPER MODELS W-300-AST & W-500-AST
SIMULTANEOUS OPERATION (AS SHIPPED FROM FACTORY)
(WHERE CONTINUOUS WIRES ARE NOT SHOWN REFER TO THE PLACEMENT CODE CORRESPONDING
TO THE WIRE SEGMENT. FOR EXAMPLE, A SEGMENT LABELED #R4 WOULD GO TO POSITION #4
ON THE RIGHT SIDE OF THE DISTRIBUTION BLOCK.)
FOR AUTOMATC OPERATION:
MOVE WHITE WIRE OF HEATER FROM POSITION #R9
TO POSITION # L BLANK.
MOVE BLACK WIRE OF HEATER FROM BLANK
POSITION TO POSITION #R9.
MOVE WHITE WIRE FROM POSITION #L9 TO
POSITION #R BLANK.
TO REVERSE MOTOR ROTATION:
SWITCH WHITE WIRE WITH RED
WIRE AT POSITION # R14 AND
POSITION # R10 RESPECTIVELY.
FOR USE WITHOUT A HEATER:
MOVE RED WIRE OF HEATER FROM
POSITION #R12 TO BLANK POSITION.
REMOVE WHITE WIRE FROM
POSITION #R9 AND HEATER TERMINAL.
PUSH-BUTTON
SWITCH
THERMOSTAT
BL
BR
DISTRIBUTION
BLOCK
120 VAC POWER CORD
MOTOR
BLACK
RED
WHITE
RUN
CAPACITOR
TIMER
HEATER
THERMOSTAT
GREEN
BLACK
WHITE
GROUND
BLUE
BLUE
BL
WH
BL
1
2
3
4
5
6
7
8
G
G
13
14
JUMPER
BLACK
BLANK
RED
9
10
WH
BL
GR
POWER CORD
FROM PUMP
12
11
WH
R
L
RED
#R12
BL
WH
#R6
BL
#R11
BL
#R3
WH
#L9
WH
#L8
POWER
RELAY
1
0
2
6
4
8
UNIT
GROUND
#846 TIMER
BL
#R2
WH
#R8
-
+
COM.
N/O
N/C
BL
#L4