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Bunn HC-3 SCHEMATIC WIRING DIAGRAM HCA-2, & HCA-3, 50 HZ, used, Must, Components, Eliminated

Models: HC-3

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SCHEMATIC WIRING DIAGRAM HCA-2, & HCA-3

SCHEMATIC WIRING DIAGRAM HCA-2, & HCA-3

GRN

L1

L2

ELECTROMECHANICAL THERMOSTAT CONFIGURATION

used!

HEATER SW.

BLK-16

BLU/BLK-16

be

THERMOSTAT

LIMIT

THERMOSTAT

MUST

BLK-16

TANK HEATER

WHI -16

BLU-16

BLK-16

BLK-16

Configuration

ELECTRONIC THERMOSTAT CONFIGURATION

HEATER SW.

TAN

TAN

LIMIT

BLK-16

THERMOSTAT

TANK HEATER

ELECTRONIC

BLK-16

BLK-16

BLK-16

WHI -16

One

THERMOSTAT

WHI

ASSEMBLY

OVERFLOW SWITCH

BLK

BLK

RED

RED

TANK INLET

WHI/VIO

1 HOPPER

WHI/BLU

1

VIO

SOL

WHI

2

DELAY

LIQUID

BLU

3

2

BLK

BLK

BLK

LEVEL

WHI

4

3

WHI/RED

BOARD

PNK-20

5

4

WHI/GRN

6

PROBE

WHI/GRN

7

WHI

WHI

8

1

RED

BLK

BLK

BLK

XFRMR

BLK

BLK

RED

FLOURESCENT

WHI

RED

WHI

BLU

LAMP

1

BLU

BALLAST

WHI

WHI

WHI

Components

WHI

DISPENSE

WHI

WHIPPER

HOPPER

WHI

WHI/RED

SOL

WHI

WHI/RED

M

WHI

WHI/RED

M

WHI/BLK

RUN/RINSE SWITCH

HC1

WHI/GRN

-2)

WHI

WHI

WHI

RIGHT DISPENSE

RIGHT WHIPPER

RIGHT HOPPER

HC

WHI/VIO

SOL

WHI

WHI/VIO

M

WHI

WHI/VIO

M

WHI/BLK

ON

WHI/VIO

WHI/VIO

Components

CENTER DISPENSE

CENTER WHIPPER

CENTER HOPPER

ELIMINATED

WHI/BLU

SOL

WHI

WHI/BLU

M

WHI

WHI/BLU

M

WHI/BLK

WHI/BLU

WHI/BLU

LEFT DISPENSE

LEFT WHIPPER

LEFT HOPPER

WHI/BRN

SOL

WHI

WHI/RED

M

WHI

WHI/RED

M

WHI/BLK

HC2 & HC3

COMPONENTS

RUN/RINSE SWITCH

WHI/GRN

COLD DRINK OPTION (LEFT ONLY)

WHI/GRN

WHI/BLK

WHI

4

WHI

SOL

WHI/BRN

WHI/BRN

JUMPER PLUG MUST BE

RED

(CENTER

WHI/RED

WHI/RED

USED WHEN COLD

WHI/RED

WHI/RED

RED

WHI/YEL

DRINK FEATURE NOT

1

RED

INSTALLED

HOT/COLD SWITCH

1

4 1

4

BLU/BLK

4

BLU

WHI

BLU

BLU

BLK

ORA/BLK

RED

1

ORA

1

RED

DISPENSE

RED

BLK

SWITCH

RED/WHI

ASSY.

RED/BLK

1

BLK

1

DISPENSE SWITCH

WHI

1

(RIGHT, MODELS HC-2 & HC-3)

BLK

BLK

RED/BLK

4

RED

1

	4			DISPENSE SWITCH
				(CENTER, MODEL HC-3 ONLY)		BLK
						BLK
						RED/WHI
		240 VOLTS A C			4
		240 VOLTS A C			1
		2 WIRE		DISPENSE SWITCH	1
		2 WIRE		DISPENSE SWITCH
		SINGLE PHASE,		(LEFT, MODELS HC-2 & HC-3)		BLK
		50 HZ		(ALSO HC-1 SWITCH)		RED
					4
					4

38	27591 031597

Image 38

Bunn HC-3 SCHEMATIC WIRING DIAGRAM HCA-2, & HCA-3, 50 HZ, used, Must, Components, Eliminated, HC2 & HC3, Volts A C, Wire

Contents

HC-3 SERIAL # HC00025000 - UPBUNN HC-2 DISCONTINUED VERSION The information in this manualWARRANTY INTRODUCTION12368.0002 USER NOTICES26525.0000 27620.0000ELECTRICAL HOOK-UP INITIAL SET-UPELECTRICAL REQUIREMENTS PLUMBING REQUIREMENTSINITIAL fill & heat CLEANINGADJUSTMENTS DISPENSER USEHOPPER DISPENSE RATE OF PRODUCT TROUBLESHOOTINGDRAINING THE HOT WATER TANK PROBABLE CAUSE TROUBLESHOOTING contPROBLEM REMEDYtesting procedures. See page TROUBLESHOOTING cont PROBLEMRefer to Service - Limit Thermo PROBABLE CAUSEPROBABLE CAUSE TROUBLESHOOTING contPROBLEM REMEDYPROBABLE CAUSE TROUBLESHOOTING contPROBLEM REMEDYRefer to Service - Lamp Holder for TROUBLESHOOTING CONT PROBLEMRefer to Service - Lamp, see page Remove and clean lime off the tankContents SERVICECOMPONENT ACCESS AUGER DRIVE COMPONENTSAUGER DRIVE COMPONENTS cont SERVICESERVICE cont AUGER DRIVE COMPONENTS cont1. Disconnect the dispenser from the power source BALLASTSERVICE cont BLK to Terminal BlockMECHANICAL CONTROL THERMOSTATSERVICE cont FIG. 7 THERMOSTAT TERMINALS CONTROL THERMOSTAT contSERVICE cont FIG. 9 DISPENSE SWITCH CONNECTORS DISPENSE SWITCHSERVICE cont SERVICE cont FIG. 11 FROTHER AND WHIPPER MOTOR FROTHER AND WHIPPER MOTORSERVICE cont FIG. 12 MIXING/WHIPPER CHAMBERFROTHER AND WHIPPER MOTOR cont SERVICE contHOPPER DELAY BOARD SERVICE contWHI/BRN to Main Harness WHI/RED to Main Harness WHI/YEL to Cold HOT/COLD SWITCH OptionalSERVICE cont SolenoidSERVICE cont LAMP REPLACEMENT Refer to FigLAMP HOLDER LAMP STARTER and SOCKET 120V, 120/208V & 120/240V Models Only SERVICE contLEVEL CONTROL BOARD AND LEVEL PROBE SERVICE contLEVEL CONTROL BOARD AND LEVEL PROBE cont LIMIT THERMOSTATSERVICE cont OVERFLOW PROTECTION SWITCH SERVICE contRUN/RINSE SWITCH SERVICE contSOLENOID VALVE COLD WATER - OPTIONAL SERVICE contSOLENOID VALVE COLD WATER - OPTIONAL cont SOLENOID VALVES DISPENSESERVICE cont SERVICE cont SOLENOID VALVES DISPENSE contSOLENOID VALVE INLET SERVICE cont SOLENOID VALVE INLET contTANK HEATER WHI from Terminal Block VIO from Liquid Level BoardSERVICE cont TANK HEATER SWITCHTANK HEATER cont TRANSFORMER 240V TWO WIRE MODELS ONLY TANK HEATER SWITCH contSERVICE cont TRANSFORMER 240V TWO WIRE MODELSONLYcont SERVICE contConfiguration SCHEMATIC WIRING DIAGRAM HC-2, & HC-3120/208-240 VOLTS AC - 3 WIRE 120 VOLTS AC - 2 WIRE ORConfiguration SCHEMATIC WIRING DIAGRAM HCA-2, & HCA-32 WIRE SINGLE PHASE