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Bunn SCHEMATIC WIRING DIAGRAM LCC-2A/LCA-2A/LCA-2A, PC, Volts Ac, Wire, Single Phase, 50 HZ

Models: LCA-2 PC LCA-2A LCC-2

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SCHEMATIC WIRING DIAGRAM LCC-2A/LCA-2A/LCA-2A, PC

SCHEMATIC WIRING DIAGRAM LCC-2A/LCA-2A/LCA-2A, PC

L1 CAPACITOR .01uF

CAPACITOR .01uF

N

GRN

GRN

GRN

RFI SUPPRESION

BLK

CAPACITOR 2.2uF

BLK

BLK-14

DOUBLE POLE

Early Models

LIMIT THERMOSTAT

TRIAC

SW. & THERMOSTAT

1

2

TANK HEATER

BLK-14

BLU-14

BLU-14

RED-14

RED-14

3

4

BLK

Fuse 1

BLK

WHI

Fuse 2

WHI

10 AMP

TAN

PORTION

10 AMP

TUBE

UNIVERSAL

CONTROL

OVERFLOW

POWER SUPPLY

WARMER

RED

PROTECTION SW

BLK

WHI

RED

RED

WHI/GRY

TUBE

N(L2)

DOOR

BLK

WARMER

BLK

-V

L(L1)

WHI/GRY

GRN

RED

RED/BLK

+V

-V

GRN

SOL

RED

RED

+V

HOT WATER

TOUCHPAD

RED

SOL

BRN/BLK

1

RIGHT DISP

2

YES (+)

3

TAN BLK

WHI

RED GRN

BLK

WHI

GRY ORN BLK BLK

RED

BRN/WHI

4

SOL

EXIT

5

WHI/BLU

LEFT DISP

6

J2-1

NO (-)

J1-1

J1-4

J2 -8

J15-1

J15-4

J3-1

7

RED

RED

SOL

BLU/BLK

WHI/RED

RED

RED

REFILL

LEFT RPM

J14-1

J3-6

BLK

BLK

BLK

SENSOR

GRN

BLU

RED

RED

C

J4-1

RED

RED/BLK

RIGHT RPM

BLK

BLK

O

BRN/WHI

SENSOR

GRN

VIO

J14-7

N

BRN/BLK

WHI/GRY

VIO

J7-1

T

J4-5

LEFT

BLK

RED

BLU

R

BLU/BLK

PUMP

WHI/YEL

RED

J5-1

YEL

YEL

O

ORN

J7-5

L

J5-3

BLK

BLK

RED

RIGHT

ORN

BLK

P

J16-1

BLU

PUMP

RED

ORN

WHI/ORN

WHI/ORN

WHI/ORN

WHI/YEL

J7-10

C

WHI/YEL

PNK

J16-5

J8-1

VIO

B

BLK

J8-3

BLK

O

BLK

BLK ORN

GRN

J18-1

A

BLK

GRN

R

J16-12

BLK

1

D

P

WHI

R

BLK

GRN

O

J18-6

B

E

WHI/YEL

BLK

WHI/ORN

BLK

GRN

DISPENSERS WITH

20

15

10

t°

5

1

PORTION CONTROL

J6-

J6-

J6-

J6-

J6-

LEFT

RIGHT

CONDUCTANCE

CONDUCTANCE

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

SENSOR

SENSOR

LF DISP. SW.

S

W

J1-1

BLU/WHI

I

T

RED/BLK

RED WHI/BLU

WHI/RED BLK

C

GRN

H

J1-5

ORN/BLK

BLK VIO

BLK BLU

A

GRN/WHI

N

BLK

D

BLK WHI

RED BLK

WHI WHI

L

RED/WHI

RED BLK

RT DISP. SW.

J1-10

BLU/BLK

E

RED

RED

D

GRN/BLK

BLK

B

HEAT SINK

WHI/BLK

PELTIER

O

ORN

THERMISTOR

t°

RED BLK

A

R

WHI

D J1-16

SELECTOR

SELECTOR

SWITCH

SWITCH

NITE

WHI/GRY

RINSE

WHI/YEL

COOLING CABINET

t°

230 VOLTS AC

BLK

BLK

CABINET

WHI/VIO

TAN

THERMISTOR

RUN

PRIME

2 WIRE

BLK

SINGLE PHASE

50 HZ

LCC Models only

36	34766.1 010313

Image 36

Bunn LCA-2 PC manual SCHEMATIC WIRING DIAGRAM LCC-2A/LCA-2A/LCA-2A, PC, Volts Ac, Wire, Single Phase, 50 HZ

Contents

INSTALLATION & OPERATING GUIDE LCA-2 LCA-2A LCA-2 PC LCC-2BUNN-O-MATIC CORPORATION 34766.0001A 01/13 2013 Bunn-O-Matic CorporationBUNN-O-MATIC COMMERCIAL PRODUCT WARRANTY CONTENTS INTRODUCTIONUSER NOTICES CLEAN AIR FILTEROptional Field Wiring CLEAN WEEKLYFIELD WIRING TERMINAL BLOCK DIAGRAM Models without Master ON/OFF SwitchFIELD WIRING TERMINAL BLOCK DIAGRAM Models with Master ON/OFF Switch ELECTRICAL REQUIREMENTSPLUMBING REQUIREMENTS ELECTRICAL HOOK-UPPLUMBING HOOK-UP INSTALLING THE DRIP TRAY AND FLIP DOWN CUP TRAY INITIAL SET-UPOPERATING CONTROLS AND INTERFACE SELECTING THE CORRECT PUMP TUBING DispenseRate 1.8 Oz/secSETTING DISPENSER FLOW RATE Removing the restrictorsReprogramming the Dispenser Flow Rate ADJUSTING MIX RATIOS Procedure for Adjusting the Mix Ratio to TasteFlavorGard Feature Rinse Alarm FeatureAlarm Mode BIB Empty Lockout Feature Brew Temperature Lockout FeaturePROGRAMMING THE DISPENSER MENU SCREENACTION DESCRIPTIONLF DISP VOLUME 4.0oz + RT DISP VOLUME 4.0oz + LF DISP VOLUME 4.0oz + LF DISP VOLUME 0.0oz + RT DISP VOLUME 4.0oz +RT DISP VOLUME 0.0oz + WATER DISP VOL 0.0oz + WATER DISP VOL 0.0oz + MENU SCREEN LOCK FLAVOR ? EXIT YES FLAVORS LOCKED EXITLF PRODUCT DISP 0GAL RESET? LF PRODUCT DISP 0GAL RT PRODUCT DISP 0GAL RESET? RT PRODUCT DISP 0GALENTER PASSWORD 0 + SET PASSWORD ? 0 + SELECT UNITS ENG EXIT METRIC see Rinse AlarmMENU SCREEN RINSE TIME ? - 12 Hrs + RINSE LOCKOUT ? NO EXIT YES BIB EMPTY LOCKOUT NO EXIT YES BREW LOCKOUT ? NO EXIT YESCAL LEFT PUMP ? PULL DISPENSE CAL LF WTR FLOW ? PULL DISPENSERCAL RIGHT PUMP ? PULL DISPENSER CAL RT PUMP VOL - 43mL + CAL RT WTR FLOW PULL DISPENSERCAL RIGHT SIDE ? EXIT YES CAL HOT WTR FLO ? PULL DISPENSEWTR START DELAY 15SEC + WTR STOP DELAY 15SEC + TEST LED’S ? NO EXIT YES TEST SWITCHES ? UseSwitchToTest TEST REFILL ? EXIT YESLATEST FAULT NO FAULTS FACTORY DEFAULTS NO YES MENU SCREEN BIB EMPTY - EXIT + XX REFILL - 155 - EXIT +INITIAL FILL & HEAT OperationsLOADING THE CONCENTRATE PRIMING THE CONCENTRATE LINESOPERATING THE PULL & HOLD DISPENSER Filling Cambros or other large containerscoil is being operated OPERATING THE PRESET PORTION CONTROL DISPENSER Models LCA-2 PC, LCA-2C PC, LCA-2A PCFilling Cambros or other large containers CLEANING & PREVENTATIVE MAINTENANCE General Cleaning and Sanitizing ProceduresDaily RINSING Daily PARTS WASHINGPREVENTIVE MAINTENANCE REPLACING THE PUMP TUBINGDRAINING THE HOT WATER TANK Troubleshooting Power LED “OFF”see Optional Field Wiring Front Panel LED Display MessagesTroubleshooting Continued Internal FaultLeft Refill LED “ON” Emoty BIB WarningTroubleshooting Continued Dispenser Diagnostics-LCD Display Possible CauseCheck Threshold, see Field Calibrating the Empty BIB WarningScreen Displayed Troubleshooting ContinuedTroubleshooting Procedures Possible CauseTroubleshooting Continued ServiceScreen Displayed Possible CauseField Calibration of the Concentrate Pumps / Dispenser Flow Rates Calibrating the Left Side DispenserContinued Field Calibrating the Hot Water Flow RateCalibrating the Right Side Dispenser Volume CollectedField Calibrating the Empty BIB Warning Calibrating The Empty BIB ThresholdSCHEMATIC WIRING DIAGRAM SWITCHLCA-2/LCA-2, PC/LCA-2C/LCA-2C, PC/LCC-2/LCC-2C LCC Models onlySCHEMATIC WIRING DIAGRAM LCC-2A/LCA-2A/LCA-2A, PC 2 WIRESINGLE PHASE 230 VOLTS AC