SCHEMATIC WIRING DIAGRAM

LCA-2/LCA-2, PC/LCA-2C/LCA-2C, PC/LCC-2/LCC-2C

L1

BLK-14 RED-14

N (120V 2-Wire)

L2 (208-240V 2-Wire)

MASTER ON/OFF

GRN

SWITCH

 

TUBE

WARMER

TUBE

WARMER

TOUCHPAD

YES (+)

EXIT

NO (-)

LEFT RPM

SENSOR

RIGHT RPM

SENSOR

BLK-14

BLK

RED

 

UNIVERSAL

 

 

BLK

 

POWER SUPPLY

 

 

 

 

BLK

-V

N(L2)

 

WHI

 

 

RED

+V

L(L1)

 

BLK

 

 

 

 

 

 

 

 

 

 

 

GRN

 

 

 

 

 

 

 

 

 

 

-V

 

GRN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+V

 

RED

 

 

 

 

 

1

2

3

4

5

6

7

RED RED

BLK BLK

GRN BLU

RED RED

BLK BLK

GRN VIO

 

 

 

 

 

LIMIT

 

 

 

 

 

SW. & THERMOSTAT

 

THERMOSTAT

 

 

 

 

TRIAC

TANK HEATER

BLK-14 1

2

 

 

 

BLK-14

BLU-14

BLU-14

RED-14

RED-14

 

 

 

 

 

 

 

 

 

3

4

 

 

 

 

 

 

 

 

 

WHI

 

 

 

TAN

 

PORTION

 

 

 

 

 

 

CONTROL

 

OVERFLOW

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PROTECTION SW

 

 

 

 

 

 

 

RED

RED

WHI/GRY

 

 

 

DOOR

 

 

 

 

 

 

 

 

 

 

WHI/GRY

RED/BLK

 

 

 

 

 

 

RED

SOL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HOT WATER

 

 

 

 

 

 

 

RED

SOL

BRN/BLK

 

 

 

 

 

 

 

 

 

RIGHT DISP

 

TAN BLK

WHI

RED GRN

BLK

WHI

GRY ORN BLK BLK

 

 

RED

SOL

BRN/WHI

 

 

 

 

 

 

J1-1

J1-4

J2-1

 

J2 -8

J15-1

J15-4

J3-1

WHI/BLU

 

LEFT DISP

 

 

 

RED

 

 

 

 

 

 

RED

 

BLU/BLK

 

 

 

WHI/RED

SOL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

REFILL

 

 

J14-1

 

 

 

 

 

J3-6

BLK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C

 

 

 

J4-1

RED

 

 

 

 

 

 

 

 

 

 

RED/BLK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

O

 

 

 

 

BRN/WHI

 

 

 

 

J14-7

 

 

 

 

 

BRN/BLK

 

 

 

 

 

N

 

 

 

 

 

 

 

VIO

 

 

 

 

 

 

J4-5

WHI/GRY

 

 

 

J7-1

 

 

T

 

 

 

 

 

 

 

BLK LEFT RED

PUMP

BLK RIGHT RED

PUMP

LF DISP. SW.

RT DISP. SW.

WHI/YEL

YEL

ORN

WHI/ORN

GRN

GRN

DISPENSERS WITH

PORTION CONTROL

S J1-1

WBLU/WHI

IRED/BLK

T

 

GRN

C

J1-5

ORN/BLK

H

GRN/WHI

A

 

 

 

N

 

BLK

D

 

 

RED/WHI

L

 

E

J1-10

BLU/BLK

D

 

RED

BGRN/BLK

OWHI/BLK

AORNR

D

J1-16 WHI

BLU

 

 

 

R

 

 

BLU/BLK

 

 

 

 

 

 

 

RED

 

 

 

 

J5-1

 

 

 

 

 

 

 

YEL

 

 

 

O

 

 

 

 

 

 

 

 

 

 

ORN

 

J7-5

 

L

 

J5-3

 

 

 

 

 

 

 

 

BLK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLK

 

 

 

P

 

J16-1

BLU

 

 

 

 

 

 

 

RED

 

 

 

 

ORN

 

 

 

 

 

 

 

 

 

 

C

 

 

 

 

 

 

 

 

 

WHI/ORN

 

 

 

 

 

WHI/ORN

 

 

 

 

 

 

 

WHI/YEL

 

J7-10

 

B

 

 

WHI/YEL

 

 

 

 

 

 

 

 

 

 

 

J16-5

PNK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

O

 

VIO

 

 

 

 

 

 

 

 

 

J8-1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLK

 

 

 

 

 

 

 

 

 

 

 

A

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLK

 

 

 

 

 

 

 

 

J8-3

 

R

 

 

BLK

 

 

 

 

 

 

BLK ORN

 

 

J18-1

 

D

 

 

BLK

 

 

 

 

 

 

 

 

 

 

 

GRN

 

 

 

 

 

 

 

 

 

 

 

 

J16-12

BLK

 

 

 

 

 

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

P

BLK WHI

 

 

 

 

 

 

 

 

 

 

 

 

 

R

 

 

J18-6

 

 

 

 

 

WHI/YEL

BLK

WHI/ORN

BLK

O

 

 

 

 

 

 

 

B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

E

 

 

 

 

 

 

 

 

 

 

LEFT

 

 

RIGHT

 

 

 

 

 

 

 

 

 

 

CONDUCTANCE

 

CONDUCTANCE

GRN

 

 

 

 

 

 

 

 

 

 

SENSOR

 

SENSOR

t

 

20

 

15

10

5

1

 

 

 

 

 

 

 

 

J6-

 

J6-

J6-

J6-

J6-

 

 

 

 

 

 

 

 

 

GRN GRN/WHI

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

WHI RED/BLK RED/WHI

ORN/BLK WHI/GRY WHI/VIO WHI/YEL TAN RED

BLK

BLK VIO

RED WHI/BLU

 

WHI/RED

BLK

BLK BLU

 

 

 

 

 

 

 

 

 

BLK WHI

RED BLK

 

RED BLK

WHI WHI

 

 

 

 

 

 

 

 

 

 

 

 

RED

 

 

 

 

 

 

 

 

 

 

 

HEAT SINK

 

 

BLK

 

 

 

 

 

 

 

 

 

 

 

 

PELTIER

 

 

 

 

 

 

 

 

 

 

 

 

THERMISTOR

t

RED

BLK

 

 

 

SELECTOR

 

SELECTOR

 

 

COOLING CABINET

 

t

 

 

SWITCH

 

SWITCH

 

 

 

CABINET

 

 

 

NITE

WHI/GRY

RINSE

WHI/YEL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

THERMISTOR

 

 

BLK

 

BLK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

120 VOLTS AC 2 WIRE

120/208-240 VOLTS AC 3 WIRE

208-240 VOLTS AC 2 WIRE

SINGLE PHASE 50/60HZ

RUN

WHI/VIO

PRIME

TAN

 

 

 

 

BLK

 

LLC Models only

Models with Master ON/OFF Switch

33

34766 010407

 

Page 33
Image 33
Bunn LCC-2, LCA-2 PC manual Schematic Wiring Diagram

LCA-2 PC, LCA-2, LCC-2 specifications

The Bunn LCC-2, LCA-2 PC, and LCA-2A are high-performance commercial coffee brewers designed to meet the demands of busy coffee shops, restaurants, and other food service establishments. These machines are known for their efficiency, durability, and advanced brewing technologies, making them popular choices in the industry.

Starting with the Bunn LCC-2, this brewer is recognized for its compact design and ease of use. It has a brewing capacity of up to 3.8 gallons per hour, ensuring that coffee is ready quickly during peak hours. The LCC-2 uses a pour-over brewing method, which means that water is heated to the ideal brewing temperature and then poured over coffee grounds for optimal extraction. One of its standout features is the digital temperature control, which allows operators to adjust brewing temperatures easily for different coffee types. Additionally, the Bunn LCC-2 features a stainless steel construction that enhances durability and provides a sleek look for any commercial kitchen.

Moving on to the Bunn LCA-2 PC, this model includes programmable capabilities, making it perfect for establishments that require consistency and convenience. The LCA-2 PC allows users to preset brewing schedules and customize brew cycles, ensuring that each pot of coffee meets specific flavor profiles. This model is designed with a large-capacity brewing system that can produce up to 7.5 gallons of coffee per hour, making it an ideal choice for high-demand environments. It also boasts a built-in hot water faucet, which provides instant hot water for other beverages or culinary applications. The LCA-2 PC's advanced brewing automation helps maintain optimal brew quality while minimizing waste.

Lastly, the Bunn LCA-2A is an advanced version that focuses on automation and efficiency. This brewer features a state-of-the-art digital brew timer, which allows precise control over brew times, leading to consistent flavor extraction. The LCA-2A also integrates with Bunn’s patented brewWISE technology, which tracks brew recipes and monitors performance. The intuitive interface allows for easy operation, even for staff who may be less experienced with coffee brewing. With a capacity of up to 4 gallons per hour and a durable stainless steel frame, the LCA-2A ensures longevity while delivering exceptional coffee.

In summary, the Bunn LCC-2, LCA-2 PC, and LCA-2A represent the pinnacle of commercial coffee brewing technology. Their unique features, including programmable settings, large brewing capacities, and durable constructions, cater to the diverse needs of the food service industry. Each model emphasizes convenience, flexibility, and quality, making them invaluable assets in any professional coffee environment.