Bunn POWDER AUTO FILL service manual Wiring Diagrams Schematic Wiring Diagram PAF, Blk Red

Page 33

WIRING DIAGRAMS

SCHEMATIC WIRING DIAGRAM PAF

L1

GRN

N

MAIN POWER

SWITCH

BLK

BLK

WHI/BLK

WHIPPER

WHI/GRN

120V : 24V AC

MOTOR

WHI

TRANSFORMER

WHI/RED

M

WHI/BRN

BLK

HOPPER

DISPENSE

SOLENOID

MOTOR

WHI/RED

WHI/BRN

BLK

M

RED

4

1

SOL

BLK

WHI

DOOR

RED

J1

J7

BLK

LAMP

WHI/GRN

1

1

WHI/RED

BLK-22

2

WHI/BLK

C

WHI

WHI

GRY

O

4

WHI/BRN

BLK

RED-22

VIO

5

N

J2

BLK

BLK

1

WHI/ORN

T

WHI

GRN

R

1

BLK

O

GRN

L

TEST/SERVICE

ORN

WHI/ORN SWITCH

RED/BLK

10

P

J6

WHI

SERVICE

GRN

BLU/BLK

C

1

BLU/BLK

PNK

TEST

MOTOR

B

BLK

LOW PRODUCT

SPEED ADJUST

J3

O

4

DETECT

A

CW

GRN

BLK

1

R

D

HOPPER

RED

3

SWITCH

RED/BLK

GRN

DOOR

P

R

SWITCH

O

ORN

GRN

B

120 VOLTS AC - 2 WIRE

E

SINGLE PHASE, 60 HZ

33	29793 061599

Image 33

Contents Bunn Powder Auto Fill Warranty Initial SET-UPIntroduction User Notices Operating Instructions Adjustments Cleaning Recommended Daily Cleaning and Maintenance TipsRinse and dry each item thoroughly before reas- sembling Normal operation Powder Auto-Fill ready to Fault ListDispense Door not closedProblem Probable Cause TroubleshootingProblem RemedyCDS product tastes watery or sugary Problem Probable Cause Remedy Improper adjustment of product Procedures. SeeInstall a regulator if necessary to Product overflows CDS hopper Control Board and ProbeComponent Access ServiceHopper Lid Auger Drive ComponentsRetainer Clip Spacer Dust Seal Hopper BaseAuger Drive Motor Diagrams and check wiring harnessMixing Chamber Frother and MIXING/WHIPPER ChamberVolts ac for 120 volt models Volts ac for 230 volt CE models Whipper MotorWhipper Motor Install dispense tip into the bottom of the whipper chamberIf voltage is present as described, proceed to #9 If voltage is present as described, proceed to #5Test Procedure Low Product Detect Remove the control board Instal the new control board using the four #6-32 keps nutsTEST/SERVICE Switch Disconnect the wires from the switch terminalsLocation Main Power ON/OFF Switch Main Power ON/OFF SwitchRefer to when reconnecting the wires Lamp Cord AssemblyLamp Cord Connector Disconnect the lamp cord from the lamp cord connectorRemove new nut and washer from new lamp cord connector Close the dispenser door Lamp HOLDER/SOCKET AssemblyTransformer TransformerPotentiometer PotentiometerHopper Level Indicator Hopper Level IndicatorHopper Switch Hopper Switch Door Switch Door SwitchPressure Regulator and Needle Valve AdjustmentsDispense Solenoid Valve Location Dispense Solenoid ValveBLK RED Wiring Diagrams Schematic Wiring Diagram PAFWiring Diagrams Schematic Wiring Diagram Pafa