Bunn Dual TF Instrukcja Użytkownika

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OPERATING & SERVICE MANUAL
BUNN-O-MATIC CORPORATION
POST OFFICE BOX 3227
SPRINGFIELD, ILLINOIS 62708-3227
PHONE: (217) 529-6601 FAX: (217) 529-6644
27124.0000 6/00 ©1996 Bunn-O-Matic Corporation
BUNN
®
DUAL
TF
1.75 GALLON
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1. Check Server size if
Brewer refuses to brew.
2. McDonald's Brew
Temperature: 200
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(3-18-96)
CAUTION
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Podsumowanie treści

Strona 1 - 1.75 GALLON

OPERATING & SERVICE MANUALBUNN-O-MATIC CORPORATIONPOST OFFICE BOX 3227SPRINGFIELD, ILLINOIS 62708-3227PHONE: (217) 529-6601 FAX: (217) 529-66442

Strona 2 - WARRANTY

Page 10TROUBLESHOOTING (cont.)Inconsistent beverage level in server.(cont.)Consistently high or low beveragelevel in server.Dripping from sprayhead.Wa

Strona 3 - ELECTRICAL REQUIREMENTS

Page 11TROUBLESHOOTING (cont.)Weak beverageBrewer is making unusual noises.1. Type of paper filters2. Coffee3. Sprayhead4. Funnel loading5. Water temp

Strona 4 - INITIAL SET-UP

Page 12SERVICEThis section provides procedures for testingand replacing various major components used in thisbrewer should service become necessary.

Strona 5 - CLEANING

Page 13SERVICE (cont.)BYPASS VALVELocation:The bypass valves are located inside the rightfront and the center front of the hood.Test Procedures:1. Dis

Strona 6 - TROUBLESHOOTING

Page 14SERVICE (cont.)BREW SELECTOR SWITCHLocation:The brew selector switches are located in thefront left and right side of the hood.Test Procedure:T

Strona 7

Page 15SERVICE (cont.)BREW SELECTOR SWITCH (cont.)P991TANGRYPNKTo Left or Right TimerWHI/VIO to Left or RightBy-Pass ValveWHI/RED to Left or RightDisp

Strona 8

Page 16SERVICE (cont.)CONTACTOR ASSEMBLYLocation:The contactor assembly is located inside thehood just to the rear of the right dispense valve.Test Pr

Strona 9

Page 17SERVICE (cont.)CONTACTOR ASSEMBLY (cont.)Test Procedures : Electronic Control (Brewers w/Recovery Booster)1. Disconnect the brewer from the pow

Strona 10 - 27124 050800

Page 186. Gently remove the capillary bulb and grommetfrom the tank.7. Check the voltage across the black wires of thecontrol thermostat and the white

Strona 11

Page 19SERVICE (cont.)CONTROL THERMOSTAT (cont.)BLU to Left & Right Ready LightsBLU to RED Lead From Liquid Level Switch BLK to BLK Lead of Con

Strona 12 - Troubleshooting

Page 2INTRODUCTIONThis equipment will brew two half-gallon, gallon, or gallon and three forths batches of coffee into awaitingservers at the push of a

Strona 13 - WHI/GRN to Dispense Valve

Page 20SERVICE (cont.)DISPENSE VALVE (cont.)ELECTRONIC CONTROL ASSEMBLY10. Recovery BoosterRelay11. Contactor Assembly12. Bypass Valve13. Ready Light1

Strona 14 - SERVICE (cont.)

Page 21SERVICE (cont.)PROBLEM:LIQUID LEVEL CONTROL SYSTEM DOES NOT REFILLPROBLEM:LIQUID LEVEL CONTROL OVERFLOWSRETRYNOYESYESNOYESREPLACE CONTROL ASSEM

Strona 15 - BREW SELECTOR SWITCH (cont.)

Page 22YESYESYESYESNONONONOYESNONOMEASURE VOLTAGEAT TANK HEATER (5)VOLTAGE PRESENTREPLACE TANKHEATER (5)LIMIT THERMOSTAT (6)OK?REPLACE LIMITTHERMOSTAT

Strona 16

Page 23SERVICE (cont.)ELECTRONIC CONTROLS (cont.)PROBLEM:WATER BOILSYESNONONONOREPLACE CONTROLASSEMBLY (1)REPLACE TRIAC (17) CHECK FOR SPLITTANK

Strona 17

Page 24SERVICE (cont.)ELECTRONIC CONTROL ASSEMBLY (cont.)ONCAUTION!Failure To Comply Voids Warranty!Hot Water Systems – Water Tank Will FillAutomatica

Strona 18

Page 25Test Procedure:1. Disconnect the brewer from the power source.2. Remove all wires from the switch terminals.3. Place the selector switch in the

Strona 19

Page 26Location:The level control board is located inside thefront of the brewer just left of center on the componentbracketTest Procedure:1. Disconne

Strona 20 - 12565.0004

Page 27SERVICE (cont.)LEVEL CONTROL BOARD AND LEVEL PROBE(Electro/mechanical only) (cont.)els and three wire 120/240 volt models.b.) 200 to 240 volts

Strona 21

Page 28SERVICE (cont.)Location:The ON/OFF switches are located on the frontof the hood just to the left and right of the startswitches.Test Procedure:

Strona 22

Page 29

Strona 23

Page 3Requires 2-wire, groundedservice rated 200 to 240 voltsac, 30 amp, single phase 50or 60 Hz.Requires 3-wire, grounded ser-vice rated 120/208 or 1

Strona 24

Page 30Location:The overflow protection switch is located in-side the hood on the center of the tank inside thecopper overflow cup.To test the overflo

Strona 25 - Left Brew Selector Switch

Page 31Location:Electro/mechanical Controlled BrewersThe relays are located inside the hood, theright relay just to the right of the contactor in fron

Strona 26

Page 32REDBLK to BLK Lead on Contactor CoilBLK to BLK Lead on ThermostatWHI/RED to Left Dispense Valve WHI/BRN to Left Dispense ValveWHI/GRN to Right

Strona 27

Page 33SERVICE (cont.)SOLENOID VALVE (Inlet)Location:The solenoid valve is located inside the lowerright front of the brewer. Test Procedure:1. Discon

Strona 28 - Wiring Diagrams

Page 34SERVICE (cont.)SOLENOID VALVE (Inlet) (cont.)P799VIO to Level Control Board T1 (Electro/mechanical)WHI/BLU to Control Assy #1 (Electronic)WHI t

Strona 29

Page 35wires, the tank heaters are operating properly.If continuity is not present as described, replace thetank heater(s).NOTE - If the tank heater r

Strona 30 - Terminal Block

Page 36Location:The timers are located inside the left front ofthe brewer on the upper part of the component bracket.Test Procedures:1. Disconnect the

Strona 31

Page 37SERVICE (cont.)Timers (Early Models)(cont.)P10702221.5111.52.5MINUTESMINUTESMINUTESP/N 24486-0000 120 VACBUNN-O-MATIC333445566782221.51.511

Strona 32

Page 38SERVICE (cont.)TIMERS (Late Models)P2194Location:The timers are located inside the left front of thebrewer on the upper part of the component b

Strona 33

Page 39J1J2TL3TL5TL4TL2TL1SETLOCKSET LOCKP2037SERVICE (cont.)TIMERS (Late Models)(cont.)LEFT TIMER RIGHT TIMERYEL WHI/YEL wire to TL5WHI/BRN WHI/GRN w

Strona 34

Page 4Electrical Hook-UpCAUTION – Improper electrical installation will damage electronic components.1. An electrician must provide electrical service

Strona 35

Page 4027201.0001B 5/96 © 1996 BUNN-O-MATIC CORPORATION120/208 VOLTS AC OR120/240 VOLTS AC3 WIREVIOPROBEPIN-201432LIQUIDLEVELBOARDBLKWHILIMIT T

Strona 36

Page 4127201.0002B 5/96 © 1996 BUNN-O-MATIC CORPORATION200 OR 240 VOLTS AC2 WIREVIOPROBEPIN-201432LIQUIDLEVELBOARDBLKLIMIT THERMOSTATOVERFLOW P

Strona 37 - Timers (Early Models)(cont.)

Page 42GRY27201.0003B 5/96 © 1996 BUNN-O-MATIC CORPORATION120/208 VOLTS AC OR120/240 VOLTS AC3 WIREDUAL -TF BREWER ECA W/SERVER SENSOR& TWO

Strona 38 - 27124 062100

Page 43GRY27201.0004B 5/96 © 1996 BUNN-O-MATIC CORPORATION200 OR 240 VOLTS AC2 WIREDUAL -ATF BREWER ECA W/SERVER SENSOR& TWO-GRINDER INTERF

Strona 39

Page 4427201.0005B 5/96 © 1996 BUNN-O-MATIC CORPORATION120/208 VOLTS AC OR120/240 VOLTS AC3 WIREVIOPROBEPIN-201432LIQUIDLEVELBOARD

Strona 40

Page 45GRY27201.0006B 5/96 © 1996 BUNN-O-MATIC CORPORATION120/208 VOLTS AC OR120/240 VOLTS AC3 WIREDUAL -TF BREWER ECA W/SERVER SENSOR& ONE

Strona 41

Page 4627201.0007B 5/96 © 1996 BUNN-O-MATIC CORPORATION200 OR 240 VOLTS AC2 WIREVIOPROBEPIN-201432LIQUIDLEVELBOARDBLKLIMIT THERMOSTATOVERFLOW P

Strona 42

Page 47GRY27201.0008B 5/96 © 1996 BUNN-O-MATIC CORPORATION200 OR 240 VOLTS AC2 WIREDUAL -ATF BREWER ECA W/SERVER SENSOR& ONE-GRINDER INTERF

Strona 43

Page 5INITIAL SET-UP (cont.)4. Wait approximately twenty minutes for the water in the tank to heat to the proper temperature.5. Place an empty server

Strona 44 - 120/240 VOLTS AC

Page 6TROUBLESHOOTINGA troubleshooting guide is provided to suggest probable causes and remedies for the most likely problemsencountered. If the prob

Strona 45

Page 7Remedy(A) Direction of flow arrow must bepointing towards brewer.(B) Remove the strainer/flow con-trol and check for obstructions. Clearor repla

Strona 46

Page 84. Overflow protection switch5. (A) Level control board & levelprobe. (Electro/mechanical con-trolled) (B) Electronic controls1. Brew Sel

Strona 47 - & ONE-GRINDER INTERFACE

Page 9TROUBLESHOOTING (cont.) (B) Control assembly (Electronic)3. Contactor (Brewers with Recov-ery booster)4. Tank heaters5. Triac assembly (Elec

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