Bunn S/N 0005473 & UP manual Schematic Wiring Diagram, 38218.1, Wire Single Phase, Volts Ac

SCHEMATIC WIRING DIAGRAM

USED	ELECTRONIC ICE BANK CONFIGURATION			GRN
	WHI	K1	WHI/GRN
BE			OPTIONAL

MUST

BLU/BLK

BRN/BLK

4

WHI

CONFIGURATION

GRN

GRN

CONTROL

ON/OFF

WHI

BLU

WHI

1

BLK

K1

BLK

FLUORESCENT

BLK

WHI

LAMP

BLU

RED

RED

ELECTROMECHANICAL ICE BANK CONFIGURATION

BALLAST

ICE BANK

ONE

BLU/BLK

BRN/BLK

BLK

TRANSFORMER

LEFT LAMP

RIGHT

BLK

BLU

ASSY.

LAMP ASSY.

CONDENSOR FAN

BLU/BLK

MOTOR

WHI

WHI

WHI/BLU

GRY

COMPRESSOR ASSEMBLY

–

K2

1

10

RECT

LIMIT

WHI

RINSE

WHI/GRY

+

GRN

BRN/BLK RED/BLK GRY WHI BLK RED/BLK WHI/GRN

RED/BLK

BLU/BLK

THERMOSTAT

SOL

COMP.

K2

RED/BLK

WHI	WHI
	BLK

PUMP	PUMP	PUMP	PUMP
#4	#3	#2	#1

120V

MODELS

L1 N

AB A B

	230V
	MODELS
GND L1 N
GRN/YEL	BRN BLU
	BLK WHI
	EMI
	FILTER
	A	B

RED 1 RED

SPEED BLK GRY

SENSOR #4 GRNWHI/YEL

RED 1 RED

SPEED BLK GRY

SENSOR #3 GRNWHI/BLU

RED 1 RED

WHI/ORN

GRY		RED GRY	WHI/VIO
	GRN	1	GRN
BLK		RED BLK
SPEED	SENSOR #2	SPEED	SENSOR #1

GRN/YEL

RED

RED

REDVIO

1

REDBLK

BEEPER

		VIO	1	VIO
		WHI/VIO		WHI/VIO
		ORN		ORN
		WHI/ORN		WHI/ORN
		BLU		BLU
		WHI/BLU		WHI/BLU
		YEL		YEL
		WHI/YEL		WHI/YEL
		WHI/YEL		WHI/YEL
		WHI/BLU		WHI/BLU
		WHI/ORN		WHI/ORN
		WHI/VIO		WHI/VIO
		RED		RED
		GRY		GRY
			14
	SANITIZE
	SWITCH
GRY		VIO
	DOOR
	SWITCH
GRY		PNK
	RED	1
FAN	BLK

	WHI/VIO ORN WHI/ORN BLU WHI/BLU YEL WHI/YEL
TAN		-1	-5
	J6-1	J5	J5
WHI/YEL
WHI/BLU
WHI/ORN	J6-6
VIO
RED/BLK
GRY
GRY
GRY
WHI/VIO	J6-12
RED	J3-1
WHI/RED	J3-2
	J1-1

VIO WHI/GRN WHI/GRY BRN/BLK	WHI/RED	WHI	BLK
J5-10	J5-15		J5-19	WHI/BLU
			J11-1

J11-3	WHI/VIO	WATER
	VIO	INLET
J9-1
	ORN
		SOL
	BLU
	YEL

CJ9-6

OJ8-1

N

T

R O L

GRN

GRY

WHI/BLK
1	1
BLK BLK	BLK	WHI	P
			R
			O
			B
t			E

CABINET

THERMISTOR

t

PNK WHI

GRY

1

GRY WHI PNK

WHI/RED	BRN	RECIR.	BLU
	WHI	PUMP

6

WHI

WHI/RED

GRN

WHI/YEL
WHI/ORN
	J1-5
WHI/YEL
WHI/ORN
GRY
RED	J1-10
PNK
WHI/BLU			JUMPER ON
WHT/VIO
		PINS J4-1 & J4-4
VIO
			230V MODELS
WHI/BLU			ONLY
WHI/VIO	J1-18	J4-1	J4-5
	GRY	GRN GRY GRY WHI/BLK WHI		PNK

P

C		J8-8	RED/BLK
B		J7-1
			GRN/WHI
O
			BLU/WHI
A
			BLK/WHI
R
D		J7-5	ORN
			WHI
			RED
			RED/WHI
		J7-10	BLK
			BLU/BLK
			GRN/BLK
			BLU
10-J4	14-J4		ORN/BLK
			GRN
			WHI/BLK
YEL BLU ORN VIO		J7-16

RED/BLK BLU ORN/BLK WHI/BLK GRN ORN WHI RED GRN/BLK BLU/BLK BLK RED/WHI GRN/WHI BLU/WHI BLK/WHI

To Switch Unit Assembly

WATER BATH

	THERMISTOR			VIO ORN BLU YEL GRY WHI/VIO WHI/ORN WHI/BLU WHI/YEL
			1		12
			VIO	GRY WHI/VIO WHI/ORN WHI/BLU WHI/YEL GRY GRY GRY	VIO ORN BLU YEL WHI/VIO WHI/ORN WHI/BLU WHI/YEL TAN RED/BLK
			ORN
			BLU
			YEL
					1	10
					VIO ORN BLU YEL WHI/VIO WHI/ORN WHI/BLU WHI/YEL TAN RED/BLK
#1 REFILL	#2 REFILL	#3 REFILL	#4 REFILL
SENSOR	SENSOR	SENSOR	SENSOR
#1 RINSE &	#2 RINSE &	#3 RINSE &	#4 RINSE &
DISPENSE LIMIT	DISPENSE LIMIT	DISPENSE LIMIT	DISPENSE LIMIT
RINSE	RINSE	RINSE	RINSE
DISPENSE	DISPENSE	DISPENSE	DISPENSE
1	1	1	1
GRY WHI/VIO VIO	GRY WHI/ORN ORN	GRY WHI/BLU BLU	GRY WHI/YEL YEL

SWITCH UNIT ASSEMBLY	1	16
(Push Button Control models)	SHIELD

REFILL 1 WATER 1 DISPENSE 1 ICE WATER REFILL 2 WATER 2 DISPENSE 2 PROGRAM COOLING RINSE SANITIZE REFILL 3 WATER 3 DISPENSE 3 REFILL 4 WATER 4 DISPENSE 4

#1 DISPENSE

#2 DISPENSE

#3 DISPENSE

#4 DISPENSE

WHI/VIO SOL

RED/BLK

WHI/ORN SOL

RED/BLK

WHI/BLU SOL

RED/BLK

WHI/YEL SOL

RED/BLK

ICE WATER

DISPENSE

TAN

SOL

RED/BLK

120 VOLTS AC

or

230 VOLTS AC

2WIRE

SINGLE PHASE

1 SMALL

REFILL 1 WATER 1

	SWITCH UNIT ASSEMBLY
	(Portion Control Models)
1 MEDIUM 1 LARGE 1 STOP/+ ICE WATER	REFILL 2 WATER 2 2 SMALL 2 MEDIUM 2 LARGE 2 STOP/+ PROGRAM COOLING RINSE SANITIZE REFILL 3 WATER 3 3 SMALL 3 MEDIUM 3 LARGE 3 STOP/+

			1
		SHEILD
REFILL 4	WATER 4	4 SMALL	4 MEDIUM	4 LARGE	4 STOP/+

16

REFER TO THE FOLLOWING PAGES FOR DETAILED VIEWS OF INDIVIDUAL CIRCUITS

29 38218.1 030306