Bunn dispenser service manual Schematic Wiring Diagram Pafa

Page 34

WIRING DIAGRAMS

SCHEMATIC WIRING DIAGRAM PAFA

L1

 

 

 

 

 

 

 

 

 

 

GRN/YEL

L2

 

 

 

 

 

 

 

 

 

 

 

 

BRN

 

 

MAIN POWER

 

 

 

 

 

 

 

 

 

 

 

 

 

SWITCH

 

 

 

 

 

 

 

 

 

 

 

 

BLK

 

BLK

 

 

 

 

 

 

 

BLU

 

 

 

 

 

 

WHI/BLK

 

 

 

 

WHIPPER

 

 

 

 

 

 

 

 

WHI/GRN

 

 

 

 

 

 

 

 

 

 

 

 

230V : 24V AC

 

MOTOR

 

 

 

 

 

 

 

 

WHI

 

 

 

 

 

 

 

 

 

 

TRANSFORMER

WHI/RED

M

WHI/BRN

 

 

 

 

 

 

 

BLK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HOPPER

 

 

 

 

 

 

 

DISPENSE

 

 

 

 

 

 

 

 

SOLENOID

 

 

MOTOR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLK

M

RED

4

1

 

 

 

 

SOL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLK

GRN

 

 

 

 

 

 

 

 

 

 

 

 

 

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

 

 

 

 

 

 

 

 

PNK

 

 

BLK

 

 

 

BLU/BLK

 

 

 

 

 

B

 

 

 

 

 

 

TEST

 

 

MOTOR

 

 

 

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

230 VOLTS AC - 2 WIRE ￿

 

 

 

 

 

 

E

 

 

 

 

 

 

 

 

 

SINGLE PHASE, 50 HZ￿

 

 

 

 

 

 

 

 

 

 

 

￿

 

 

 

 

 

 

 

 

 

 

 

29780.0001B

10/99

© 1999 BUNN-O-MATIC CORPORATION

 

34

29793.1 021202

 

Image 34
Contents Bunn Powder Auto Fill Post Office BOX SPRINGFIELD, IllinoisBUNN-O-MATIC Commercial Product Warranty IntroductionUser Notices Initial SET-UP34561.0000 Operating Instructions Adjustments Recommended Daily Cleaning and Maintenance Tips CleaningRinse and dry each item thoroughly before reas- sembling Dispense Fault ListNormal operation Powder Auto-Fill ready to Door not closedTroubleshooting Problem Probable CauseRemedy ProblemPowder Auto-Fill hopper not in- stalled properly Transformer Control Board and ProbeAuger Drive Water Strainer OptionalProblem Probable Cause Remedy Service Component AccessRetainer Clip Auger Drive ComponentsHopper Lid Spacer Dust Seal Hopper BaseDiagrams and check wiring harness Auger Drive MotorFrother and MIXING/WHIPPER Chamber Mixing ChamberWhipper Motor Volts ac for 120 volt models Volts ac for 230 volt CE modelsInstall dispense tip into the bottom of the whipper chamber Whipper MotorIf voltage is present as described, proceed to #5 If voltage is present as described, proceed to #9Test Procedure Low Product Detect Instal the new control board using the four #6-32 keps nuts Remove the control boardDisconnect the wires from the switch terminals TEST/SERVICE SwitchLocation Main Power ON/OFF Switch Main Power ON/OFF SwitchLamp Cord Assembly Refer to when reconnecting the wiresDisconnect the lamp cord from the lamp cord connector Lamp Cord ConnectorRemove new nut and washer from new lamp cord connector Lamp HOLDER/SOCKET Assembly Close the dispenser doorTransformer TransformerPotentiometer PotentiometerHopper Level Indicator Hopper Level IndicatorHopper Switch Hopper SwitchDoor Switch Door SwitchAdjustments Pressure Regulator and Needle ValveDispense Solenoid Valve Dispense Solenoid Valve LocationWiring Diagrams Schematic Wiring Diagram PAFSchematic Wiring Diagram Pafa

dispenser specifications

The Bunn dispenser is a highly regarded name in the beverage service industry, known for its reliable coffee brewers, steeping equipment, and beverage dispensing solutions. These dispensers are designed with efficiency and quality in mind, making them a favorite in restaurants, cafes, and other foodservice establishments.

One of the main features of the Bunn dispenser is its rapid brewing capability. Utilizing a unique brewing system, Bunn dispensers can quickly brew large quantities of coffee, which is essential for high-demand environments. The machines are equipped with advanced heating technology that ensures water is brewed at the optimal temperature for extracting the best flavors from coffee grounds. This feature not only enhances the quality of the beverage but also significantly reduces waiting times for customers.

Another key characteristic of Bunn dispensers is their durability. Built with high-quality materials, these machines are designed to withstand the rigors of a busy kitchen environment. The robust construction ensures a long lifespan, minimizing the need for frequent repairs or replacements. Additionally, many models feature stainless steel components that are resistant to corrosion and easy to clean, maintaining hygiene standards while also looking professional.

Bunn dispensers are also known for their versatility. With a range of models available, including single and multi-hopper options, they can dispense various beverages, including coffee, tea, and iced drinks. This flexibility allows businesses to cater to different customer preferences without requiring multiple machines. Moreover, Bunn dispensers often come with programmable features, enabling users to customize brew strengths and volumes for optimal beverage consistency.

In terms of technology, Bunn has incorporated advanced digital controls and user interfaces in many of its models. These digital displays simplify operation, allowing staff to monitor brewing processes and receive alerts for maintenance requirements efficiently. Such technological integration enhances user experience and operational efficiency.

Energy efficiency is another consideration in the design of Bunn dispensers. Many models are equipped with energy-saving features, which help reduce power consumption during both operation and standby modes. This focus on sustainability not only lowers utility costs for businesses but also aligns with the growing consumer demand for environmentally responsible practices.

In conclusion, Bunn dispensers combine speed, durability, versatility, advanced technology, and energy efficiency, making them an excellent choice for any foodservice operation. Their ability to deliver high-quality beverages quickly and consistently makes them a pivotal asset for businesses aiming to provide an exceptional customer experience.