Bunn 38791.0000K service manual Schematic Wiring Diagram LCA-2 LP, Com N.O

Page 26

SCHEMATIC WIRING DIAGRAM LCA-2 LP

L1

GRN

N

 

 

LIMIT THERM.

 

 

 

 

TANK HEATER

 

 

 

BLK-16

BLK-16

 

 

 

BLU/BLK-16

WHT-16

 

 

 

 

 

 

 

COM N.O.

J2-1

RED-18

RED-18

+V

 

 

 

 

 

 

 

GRAY-18

RED-18

 

 

 

 

 

 

 

 

+V

 

 

 

 

 

 

 

 

 

GRAY-18

 

 

 

 

 

 

 

 

 

-V

 

 

 

 

 

 

 

 

BLK-18

GRAY-18

 

 

LEFT VALVE

 

 

J4-1

 

 

-V

 

 

 

BRN/BLK-18

 

J2-5

RED-18

 

 

 

 

SOL

 

 

 

GND

 

 

 

 

 

GRAY-18

WHT-18

 

 

 

 

RED-18

 

 

 

N/L2

 

 

 

 

 

 

 

 

BLK-18

 

 

 

 

ORN-18

 

 

 

 

L1

 

 

 

 

 

 

J2-8

WHT-18

 

 

 

RIGHT VALVE

 

YEL-18

J4-5

 

 

 

 

 

 

 

 

 

 

 

 

 

SOL

 

 

 

 

 

 

 

 

 

 

 

WHT/BLK-18

 

 

 

 

 

 

 

 

HOT WATER

 

WHT-18

 

 

 

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLK-18

J4-10

 

 

 

 

 

 

 

SOL

 

 

 

BLK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WHT

 

 

INLET VALVE

 

 

 

 

 

 

 

 

 

 

 

SOL

 

 

 

 

 

 

 

 

WHT/BLK-18

 

 

 

 

J10-1

WHT/ORN-22

 

 

 

 

 

 

 

PINK-22

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ORN-22

 

 

 

 

 

 

 

 

 

J10-4

GRN-22

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J6-1

MAIN

 

 

 

 

 

 

 

 

 

CONTROL

 

 

 

 

 

 

1

 

 

 

 

 

 

 

 

 

RED

WHT/BLU-22

BRN/BLK-18

 

BOARD

 

 

 

 

 

 

 

 

 

 

 

 

LEFT PUMP

BLK

WHT/BLK-22

WHT/BLU-22

 

 

 

 

 

 

RPM SENSOR

GRN

TAN-22

TAN-22

J6-5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WHT/BLU-22

 

 

 

 

 

 

LEFT

 

BRN/BLK-18

RED/BLK-18

 

 

 

 

 

 

M

BRN/WHT-18

 

 

 

 

 

 

 

PUMP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

 

J6-10

 

 

 

 

 

 

 

RED

WHT/BLU-22

BRN/WHT-18

 

 

 

 

 

 

RIGHT PUMP

BLK

WHT/BLK-22

WHT/BLK-22

 

 

 

 

 

 

RPM SENSOR

GRN

RED-22

RED-22

 

 

 

 

 

 

 

 

 

 

WHT/BLK-22

 

 

 

 

 

 

RIGHT

 

WHT/RED-18

WHT/RED-18

 

 

 

 

 

 

M

RED/BLK-18

 

J6-16

 

 

 

 

 

PUMP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J8-1

RED-20

 

 

 

 

 

 

 

 

 

BRN-20

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VIO-22

 

PRIME

 

 

 

 

 

 

 

 

BLK-22

NORMAL

 

 

 

 

 

 

 

 

WHT/VIO-22

 

SWITCH & LED

J7-1

 

J7-1

 

J8-5

 

 

 

 

 

 

 

RINSE

 

BOARD

 

 

 

 

 

 

 

 

 

 

 

J7-4

 

J7-4

 

 

RED-20

 

 

 

 

 

 

 

 

BRN-20

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J8-10

GRAY-22

PROGRAM

 

 

 

 

 

 

 

 

WHT/BLK-22

NIGHT

 

 

 

 

 

 

 

 

WHT/GRAY-22

 

 

 

 

 

 

 

 

 

 

120 VOLTS AC - 2 WIRE

 

 

 

 

 

 

RUN

 

 

 

J8-14

 

 

 

SINGLE PHASE, 60 HZ

 

 

 

 

 

 

 

 

 

 

 

 

 

37921.0002A 03/06 © 2006 Bunn-O-Matic Corporation

 

 

 

 

 

 

 

POWER SUPPLY

24 VDC, 180 WATTS

TANK

LEFT

RIGHT

CONDUCTANCE

CONDUCTANCE

26

38791 031606

 

Image 26
Contents LCA-2 LP Phone 217 529-6601 FAX 217BUNN-O-MATIC Commercial Product Warranty Contents User Notices 00656.0001 37881.0000 11646.0002 00824.0002Plumbing Requirements IntroductionElectrical Requirements Plumbing HOOK-UP Late Models Initial SET-UPPlumbing HOOK-UP Early Models Turn on the water supply and check for leaksElectrical HOOK-UP Operating Controls and InterfacePage Installing Pump Tubing Installing the Pump TubingInitial Fill & Heat Disabled None Rinse Alarm FeatureAlarm Level Selected Alarm Mode Serve productLCD Display Display Mode DescriptionProgramming the Dispenser Home View6 0 Programming the Dispenser Display Mode0 0 LC xProgramming the Dispenser Program Mode Description1 8 LC 0 x Programming the Dispenser Program ModeLCD Display Program Mode Description Right Decaf Dispense TotalPriming the Concentrate Lines Draining the HOT Water TankOperating the Dispenser Daily Parts Washing Cleaning & Preventative MaintenanceGeneral Cleaning and Sanitizing Procedures Daily Rinsing Weekly SanitizingPreventive Maintenance Replacing the Pump TubingC2 r u n C1 r u nC1 2 C2 2C6 2 0 C4 r u nC4 1 C7 En gError Troubleshooting GuideError Codes EC 0 0Troubleshooting Guide Error Codes 0 1Calibrating the Dispenser Flow Rates Field Calibrating the Empty Product Warning Calibrating The Empty Product ThresholdSchematic Wiring Diagram LCA-2 LP COM N.O

38791.0000K specifications

The Bunn 38791.0000K is an innovative coffee maker that has gained popularity among both home users and commercial establishments. Designed for those who appreciate efficiency and quality, this machine boasts a range of features that enhance the brewing experience.

One of the standout characteristics of the Bunn 38791.0000K is its high-capacity brewing system, which allows users to brew up to 3.8 gallons of coffee per hour. This rapid brewing capability makes it an ideal choice for settings that require a continuous supply of freshly brewed coffee, such as busy offices, cafes, and restaurants.

The coffee maker is equipped with a stainless steel water tank that maintains optimal brewing temperatures, ensuring that each cup of coffee is brewed to perfection. This consistent temperature control is crucial for extracting the full flavor from coffee grounds, resulting in a rich and aromatic brew every time.

Another key feature of the Bunn 38791.0000K is its patented brewing technology, which uses a pulse brew process. This method allows for adjustable brew times and water flow rates, giving users the flexibility to customize their brewing experience. Whether you prefer a strong, bold flavor or a milder brew, this technology caters to various taste preferences.

Additionally, the machine is designed for ease of use and maintenance. It features a simple interface, making it user-friendly for both novice and experienced coffee enthusiasts. The removable brew basket and easy-to-access water reservoir simplify cleaning and refilling, which is especially beneficial in high-demand environments.

The Bunn 38791.0000K is also equipped with a hot water faucet, allowing users to dispense hot water for tea or instant soups, further enhancing its versatility in any setting. This feature makes it a multi-functional appliance that can cater to various beverage needs.

Built with durability in mind, this coffee maker features a robust construction that withstands the rigors of daily use. Its stainless steel finish not only provides a sleek, modern look but also contributes to its longevity.

In summary, the Bunn 38791.0000K stands out in the realm of coffee makers due to its impressive brewing capacity, advanced technology, user-friendly design, and durability. Whether used in a home kitchen or a bustling cafe, it delivers coffee quickly and efficiently, ensuring satisfaction with every cup.