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Bunn Dual TF manual

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Buen manual de instrucciones

Las leyes obligan al vendedor a entregarle al comprador, junto con el producto, el manual de instrucciones Bunn Dual TF. La falta del manual o facilitar información incorrecta al consumidor constituyen una base de reclamación por no estar de acuerdo el producto con el contrato. Según la ley, está permitido adjuntar un manual de otra forma que no sea en papel, lo cual últimamente es bastante común y los fabricantes nos facilitan un manual gráfico, su versión electrónica Bunn Dual TF o vídeos de instrucciones para usuarios. La condición es que tenga una forma legible y entendible.

¿Qué es un manual de instrucciones?

El nombre proviene de la palabra latina “instructio”, es decir, ordenar. Por lo tanto, en un manual Bunn Dual TF se puede encontrar la descripción de las etapas de actuación. El propósito de un manual es enseñar, facilitar el encendido o el uso de un dispositivo o la realización de acciones concretas. Un manual de instrucciones también es una fuente de información acerca de un objeto o un servicio, es una pista.

Desafortunadamente pocos usuarios destinan su tiempo a leer manuales Bunn Dual TF, sin embargo, un buen manual nos permite, no solo conocer una cantidad de funcionalidades adicionales del dispositivo comprado, sino también evitar la mayoría de fallos.

Entonces, ¿qué debe contener el manual de instrucciones perfecto?

Sobre todo, un manual de instrucciones Bunn Dual TF debe contener:
- información acerca de las especificaciones técnicas del dispositivo Bunn Dual TF
- nombre de fabricante y año de fabricación del dispositivo Bunn Dual TF
- condiciones de uso, configuración y mantenimiento del dispositivo Bunn Dual TF
- marcas de seguridad y certificados que confirmen su concordancia con determinadas normativas

¿Por qué no leemos los manuales de instrucciones?

Normalmente es por la falta de tiempo y seguridad acerca de las funcionalidades determinadas de los dispositivos comprados. Desafortunadamente la conexión y el encendido de Bunn Dual TF no es suficiente. El manual de instrucciones siempre contiene una serie de indicaciones acerca de determinadas funcionalidades, normas de seguridad, consejos de mantenimiento (incluso qué productos usar), fallos eventuales de Bunn Dual TF y maneras de solucionar los problemas que puedan ocurrir durante su uso. Al final, en un manual se pueden encontrar los detalles de servicio técnico Bunn en caso de que las soluciones propuestas no hayan funcionado. Actualmente gozan de éxito manuales de instrucciones en forma de animaciones interesantes o vídeo manuales que llegan al usuario mucho mejor que en forma de un folleto. Este tipo de manual ayuda a que el usuario vea el vídeo entero sin saltarse las especificaciones y las descripciones técnicas complicadas de Bunn Dual TF, como se suele hacer teniendo una versión en papel.

¿Por qué vale la pena leer los manuales de instrucciones?

Sobre todo es en ellos donde encontraremos las respuestas acerca de la construcción, las posibilidades del dispositivo Bunn Dual TF, el uso de determinados accesorios y una serie de informaciones que permiten aprovechar completamente sus funciones y comodidades.

Tras una compra exitosa de un equipo o un dispositivo, vale la pena dedicar un momento para familiarizarse con cada parte del manual Bunn Dual TF. Actualmente se preparan y traducen con dedicación, para que no solo sean comprensibles para los usuarios, sino que también cumplan su función básica de información y ayuda.

Índice de manuales de instrucciones

  • Página 1

    OPERA TING & SER VICE MANU AL BUNN-O-MA TIC CORPORA TION 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 BU N N ® DUAL ™ TF 1.75 GALLON B U N N M A N U F A C T U R E D B Y B U N N - O - M A T I C C O R P O R A T I O N S P R I N G F I E L D , I L L[...]

  • Página 2

    Page 2 INTRODUCTION This equipment will brew two half-gallon, gallon, or gallon and three forths batches of coffee into awaiting servers at the push of a button. The brewer is also equipped with a hot water faucet for allied beverage use and is designed to interface with a BUNN ® Grinder. The brewer is specifically designed for use with BUNN ® .5[...]

  • Página 3

    Page 3 Requires 2-wire, grounded service rated 200 to 240 volts ac, 30 amp, single phase 50 or 60 Hz. Requires 3-wire, grounded ser- vice rated 120/208 or 120/240 volts ac, 30 amp, single phase, 60 Hz. 120V A.C. 120V A.C. 120V A.C. 208 or 240V A.C. L2 RED L2 RED WHITE NEUTRAL L1 BLACK L1 BLACK 200 or 240V A.C. 00831.0000 ELECTRICAL REQUIREMENTS CAU[...]

  • Página 4

    Page 4 Electrical Hook-Up CAUTION – Improper electrical installation will damage electronic components. 1. An electrician must provide electrical service as specified. 2. Using a voltmeter, check the voltage and color coding of each conductor at the electrical source. 3. Remove the front panel beneath the sprayheads. Models with electronic contro[...]

  • Página 5

    Page 5 INITIAL 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 beneath either of the brew stations. Place its associated Selector switch in the desired position, the On/Off switch in the upper position and initiate a brew cycle. 6. Place the On/Off switch in t[...]

  • Página 6

    Page 6 TROUBLESHOOTING A troubleshooting guide is provided to suggest probable causes and remedies for the most likely problems encountered. If the problem remains after exhausting the troubleshooting steps, contact the Bunn-O-Matic Technical Service Department. • Inspection, testing, and repair of electrical equipment should be performed only by[...]

  • Página 7

    Page 7 Remedy (A) Direction of flow arrow must be pointing towards brewer. (B) Remove the strainer/flow con- trol and check for obstructions. Clear or replace. Refer to Service - ON/OFF switch for testing procedures. See page 28 Refer to Service - Start switch for testing procedures. See page 34 Refer to Service - Timer for testing procedures. See [...]

  • Página 8

    Page 8 4. Overflow protection switch 5. (A) Level control board & level probe. (Electro/mechanical con- trolled) (B) Electronic controls 1. Brew Selector switch 1. Solenoid valve 2. (A) Level control board and level probe (Electro/mechanical) (B) Control assembly (Electronic) 3. Overflow protection switch 1. Timer 1. Limit thermostat CAUTION - [...]

  • Página 9

    Page 9 TROUBLESHOOTING (cont.) (B) Control assembly (Electronic) 3. Contactor (Brewers with Recov- ery booster) 4. Tank heaters 5. Triac assembly (Electronic) 6. Relay (Brewers with Recovery Booster) 1. (A) Control thermostat (Electro/ mechanical) (B) Control assembly (Electronic) 2. Triac assembly (Electronic) 3. Lime build-up CAUTION - Tank and t[...]

  • Página 10

    Page 10 TROUBLESHOOTING (cont.) Inconsistent beverage level in server. (cont.) Consistently high or low beverage level in server. Dripping from sprayhead. Water overflows filter. Beverage overflows server 2. Improper water pressure 3. Dispense valve 4. Bypass valve 1. Timer adjustment 1. Dispense valve 1. Bypass valve 2. Needle Valve 3. Type of pap[...]

  • Página 11

    Page 11 TROUBLESHOOTING (cont.) Weak beverage Brewer is making unusual noises. 1. Type of paper filters 2. Coffee 3. Sprayhead 4. Funnel loading 5. Water temperature 1. Solenoid (Inlet) 2. Plumbing lines 3. Water supply 4. Tank Heaters 5. Contactor BUNN ® paper filters should be used for proper extraction. A sufficient quantity of fresh drip or re[...]

  • Página 12

    Page 12 SERVICE This section provides procedures for testing and replacing various major components used in this brewer should service become necessary. Refer to Troubleshooting for assistance in determining the cause of any problem. WARNING - Inspection, testing, and repair of electri- cal equipment should be performed only by qualified service pe[...]

  • Página 13

    Page 13 SERVICE (cont.) BYPASS VALVE Location: The bypass valves are located inside the right front and the center front of the hood. Test Procedures: 1. Disconnect the brewer from the power source and place 1-3/4 gallon server under funnel. 2. Disconnect the white/green wire and the white/ violet wire on the bypass valve. NOTE: ECA MODELS ONLY - B[...]

  • Página 14

    Page 14 SERVICE (cont.) BREW SELECTOR SWITCH Location: The brew selector switches are located in the front left and right side of the hood. Test Procedure: Timer: Left or Right 1. Disconnect the brewer from the power supply. 2. Separate the connector on the selector switch harness from the brew timer circuit board. 3. Carefully slide the plastic co[...]

  • Página 15

    Page 15 SERVICE (cont.) BREW SELECTOR SWITCH (cont.) P991 TAN GRY PNK To Left or Right Timer WHI/VIO to Left or Right By-Pass Valve WHI/RED to Left or Right Dispense Valve GRY from Left or Right Selector Switch to GRY Lead on Interface Socket PNK from Left Selector Switch to Grinder Switch (Lower Left) PNK from Right Selector Switch to Grinder Swit[...]

  • Página 16

    Page 16 SERVICE (cont.) CONTACTOR ASSEMBLY Location: The contactor assembly is located inside the hood just to the rear of the right dispense valve. Test Procedures: Mechanical Thermostat (Brewers with or without Recovery Booster) 1. Disconnect the brewer from the power source. 2. Disconnect the red wire of the two pole 200V or 240V terminal block [...]

  • Página 17

    Page 17 SERVICE (cont.) CONTACTOR ASSEMBLY (cont.) Test Procedures : Electronic Control (Brewers w/Recovery Booster) 1. Disconnect the brewer from the power source. 2. Disconnect the gray wire from the black wire on the contactor coil and white /brown wire from the remaining black wire on the contactor coil. NOTE: ECA MODELS ONLY - Brewer must be a[...]

  • Página 18

    Page 18 6. Gently remove the capillary bulb and grommet from the tank. 7. Check the voltage across the black wires of the control thermostat and the white insert on the three pole 120/208V, 120/240V terminal blocks and the red insert on two pole 200V, 240V terminal blocks with a voltmeter when the control thermo- stat is turned "ON" (full[...]

  • Página 19

    Page 19 SERVICE (cont.) CONTROL THERMOSTAT (cont.) BLU to Left & Right Ready Lights BLU to RED Lead From Liquid Level Switch BLK to BLK Lead of Contactor Coil BLK toLeft & Right Ready Lights P780 DISPENSE VALVE P975 Location: Dispense valves are located inside the hood in the center of each sprayhead panel. Test Procedures: 1. Disconnect th[...]

  • Página 20

    Page 20 SERVICE (cont.) DISPENSE VALVE (cont.) ELECTRONIC CONTROL ASSEMBLY 10. Recovery Booster Relay 11. Contactor Assembly 12. Bypass Valve 13. Ready Light 14. Solenoid Valve 15. LED 16. Temperature adjust- ment 17. Triac Assy 18. Server Sensor 1. Electronic Control 2. Terminal Block 3. Timers 4. Liquid Level Switch & Overflow Cup 5. Tank Hea[...]

  • Página 21

    Page 21 SERVICE (cont.) PROBLEM: LIQUID LEVEL CONTROL SYSTEM DOES NOT REFILL PROBLEM: LIQUID LEVEL CONTROL OVERFLOWS RETRY NO YES YES NO YES REPLACE CONTROL ASSEMBLY (1) DRAIN CUP (4) OVERFLOW ? OVERFLOW ? NO OVERFLOW ? REPLACE SOLENOID VALVE (14) DRAIN CUP (4) DISCONNECT WIRE SOLENOID VALVE (14) FROM RETRY REPLACE PROBE (7) DRAIN CUP (4) DISCONNEC[...]

  • Página 22

    Page 22 YES YES YES YES NO NO NO NO YES NO NO MEASURE VOLTAGE AT TANK HEATER (5) VOLTAGE PRESENT REPLACE TANK HEATER (5) LIMIT THERMOSTAT (6) OK ? REPLACE LIMIT THERMOSTAT (6) REPLACE CONTROL ASSEMBLY (1) MEASURE VOLTAGE AT TANK HEATER (5) VOLTAGE PRESENT REPLACE TRIAC (17) CHECK FOR SPLIT TANK HEATER (5) REINSTALL ORIGINAL CONTROL ASSEMBLY (1) REC[...]

  • Página 23

    Page 23 SERVICE (cont.) ELECTRONIC CONTROLS (cont.) PROBLEM: WATER BOILS YES NO NO NO NO REPLACE CONTROL ASSEMBLY (1) REPLACE TRIAC (17) CHECK FOR SPLIT TANK HEATER (5) DRAIN CUP (4) RETRY LED (13)(15) ON WHILE BOILING DISCONNECT BLUE WIRE FROM CONTROL BOARD PIN #7 RETRY STILL BOILING ? REPLACE CONTROL ASSEMBLY (1) the temperature sensor (8) and th[...]

  • Página 24

    Page 24 SERVICE (cont.) ELECTRONIC CONTROL ASSEMBLY (cont.) O N CAUTION ! Failure To Comply Voids Warranty! Hot W ater System s – W ater Tank W ill Fill Automatically W hen Unit Is Connected To Power! Coffee Brewers – Fill The Water Tank In Accordance W ith The Installation Instructions! D O NO T Turn O n The Tank H eater Sw itch Until W ater C[...]

  • Página 25

    Page 25 Test Procedure: 1. Disconnect the brewer from the power source. 2. Remove all wires from the switch terminals. 3. Place the selector switch in the left position. 4 Check for continuity across the center and right terminals on the rear of the switch. 5. Continuity must not be present across the center and left terminals on the rear of the sw[...]

  • Página 26

    Page 26 Location: The level control board is located inside the front of the brewer just left of center on the component bracket Test Procedure: 1. Disconnect the brewer from the power source. 2. Remove the violet wire from terminal 1 & pink wire from terminal 4 of the circuit board. 3. Check the voltage across terminals 2 & 3 with a voltme[...]

  • Página 27

    Page 27 SERVICE (cont.) LEVEL CONTROL BOARD AND LEVEL PROBE (Electro/mechanical only) (cont.) els and three wire 120/240 volt models. b.) 200 to 240 volts ac for two wire 200 or 240 volt models. 17. Disconnect the brewer from the power source. If voltage is present as described, reinstall the probe, the level control board and level probe are opera[...]

  • Página 28

    Page 28 SERVICE (cont.) Location: The ON/OFF switches are located on the front of the hood just to the left and right of the start switches. Test Procedure: 1. Disconnect the brewer from the power source. 2. Viewing the switch from the back remove the white or red wire from the upper right terminal and the black wire from the center terminal. 3. Ch[...]

  • Página 29

    Page 29[...]

  • Página 30

    Page 30 Location: The overflow protection switch is located in- side the hood on the center of the tank inside the copper overflow cup. To test the overflow protection switch, access will also be needed to the level control board or electronic control assembly and terminal block. Test Procedure: 1. Disconnect the brewer from the power source. 2. Re[...]

  • Página 31

    Page 31 Location: Electro/mechanical Controlled Brewers The relays are located inside the hood, the right relay just to the right of the contactor in front of the tank and left relay is just left of the component bracket in front of the tank. Electronic Controlled Brewers The relay is located inside the hood just to the right of the contactor in fr[...]

  • Página 32

    Page 32 RED BLK to BLK Lead on Contactor Coil BLK to BLK Lead on Thermostat WHI/RED to Left Dispense Valve WHI/BRN to Left Dispense Valve WHI/GRN to Right Dispense Valve BLU to BLU Lead from Thermostat BLU to BLU Lead from Liquid Level Board WHI/VIO to Right Dispense Valve RIGHT LEFT GRY to BLK Lead from Contactor Coil WHI/VIO to Right Dispense Val[...]

  • Página 33

    Page 33 SERVICE (cont.) SOLENOID VALVE (Inlet) Location: The solenoid valve is located inside the lower right front of the brewer. Test Procedure: 1. Disconnect the brewer from the power source and draw 1/4 gallon of water from faucet. 2. Remove both wires from the solenoid valve coil terminals. 3. Check the voltage across the removed wires: a.) Vi[...]

  • Página 34

    Page 34 SERVICE (cont.) SOLENOID VALVE (Inlet) (cont.) P799 VIO to Level Control Board T1 (Electro/mechanical) WHI/BLU to Control Assy #1 (Electronic) WHI to Level Control Board T3 (120/208V or 120/240V Electro/mechanical) WHI to Terminal Block (120/208V or 120/240V Electronic) Red to Level Control Board T3 (200 or 240V Electro/mechanical or Contro[...]

  • Página 35

    Page 35 wires, the tank heaters are operating properly. If continuity is not present as described, replace the tank heater(s). NOTE - If the tank heater remains unable to heat, remove and inspect the heater for cracks in the sheath. Electronic Control Models: 1. Disconnect the brewer from the power source. 2. Disconnect wires from heater(s). 3. Che[...]

  • Página 36

    Page 36 Location: The timers are located inside the left front of the brewer on the upper part of the component bracket. Test Procedures: 1. Disconnect the brewer from the power source. 2. Disconnect the wires from the timer terminals TL3, TL4 and TL5 and rotate the dial(s) fully counterclockwise. 3. Check the voltage across terminals TL1 and TL2 w[...]

  • Página 37

    Page 37 SERVICE (cont.) Timers (Early Models)(cont.) P1070 2 2 2 1.5 1 1 1 .5 2.5 MINUTES MINUTES MINUTES P/N 24486-0000 120 VAC BUNN-O-MATIC 3 3 3 4 4 5 5 6 6 7 8 2 2 2 1.5 1.5 1 1 1 .5 .5 2 .5 2.5 MINUTES MINUTES MINUTES MINUTES MINUTES MINUTES P/N 24486-0000 120 VAC P/N 24486-0000 120 VAC BUNN-O-MATIC BUNN-O-MATIC 3 3 3 4 4 5 5 6 6 7 8 2 2 2 1.5[...]

  • Página 38

    Page 38 SERVICE (cont.) TIMERS (Late Models) P2194 Location: The timers are located inside the left front of the brewer on the upper part of the component bracket. Test Procedures: NOTE: Do not remove or install wires while timer board is installed. Pressure applied to one side may cause damage to the board. 1. Disconnect the brewer from the power [...]

  • Página 39

    Page 39 J1 J2 TL3 TL5 TL4 TL2 TL1 SET LOCK SET LOCK P2037 SERVICE (cont.) TIMERS (Late Models)(cont.) LEFT TIMER RIGHT TIMER YEL WHI/YEL wire to TL5 WHI/BRN WHI/GRN wire to TL4 PNK PNK wire to TL3 WHI WHI wire to TL2 (120V Two Pole, 120/208V or 120/240V Three Pole Terminal Block) RED RED wire to TL2 (200V or 240V Two Pole Terminal Block) WHI/RED WH[...]

  • Página 40

    Page 40 27201.0001B 5/96 © 1996 BUNN-O-MATIC CORPORATION 120/208 VOLTS AC OR 120/240 VOLTS AC 3 WIRE VIO PROBE PIN-20 1 4 3 2 LIQUID LEVEL BOARD BLK WHI LIMIT THERMOSTAT WHI WHI OVERFLOW PROTECTION SW RED RED SW. & THERMOSTAT READY INDICATORS OPTIONAL RECOVERY BOOSTER BLK BLU K2 N.O. K3 N.O. RED DUAL-TF BREWER W/SERVER SENSOR & TWO-GRINDER[...]

  • Página 41

    Page 41 27201.0002B 5/96 © 1996 BUNN-O-MATIC CORPORATION 200 OR 240 VOLTS AC 2 WIRE VIO PROBE PIN-20 1 4 3 2 LIQUID LEVEL BOARD BLK LIMIT THERMOSTAT OVERFLOW PROTECTION SW RED RED SW. & THERMOSTAT READY INDICATORS OPTIONAL RECOVERY BOOSTER BLK BLU K2 N.O. K3 N.O. RED DUAL-ATF OR BTF BREWER W/SERVER SENSOR & TWO-GRINDER INTERFACE BLU BLK L1[...]

  • Página 42

    Page 42 GRY 27201.0003B 5/96 © 1996 BUNN-O-MATIC CORPORATION 120/208 VOLTS AC OR 120/240 VOLTS AC 3 WIRE DUAL -TF BREWER ECA W/SERVER SENSOR & TWO-GRINDER INTERFACE BLK RIGHT SW. GRY TAN PNK GRINDER INTERFACE CONNECTOR YEL FRACTIONAL BATCHES (CONNECT AS REQUIRED) FULL BATCH (NO CONNECTION) TAN GRY PNK 1/4 BATCH 1/3 BATCH 1/2 BATCH 2/3 BATCH 3/[...]

  • Página 43

    Page 43 GRY 27201.0004B 5/96 © 1996 BUNN-O-MATIC CORPORATION 200 OR 240 VOLTS AC 2 WIRE DUAL -ATF BREWER ECA W/SERVER SENSOR & TWO-GRINDER INTERFACE BLK RIGHT SW. GRY TAN PNK GRINDER INTERFACE CONNECTOR YEL FRACTIONAL BATCHES (CONNECT AS REQUIRED) FULL BATCH (NO CONNECTION) TAN GRY PNK 1/4 BATCH 1/3 BATCH 1/2 BATCH 2/3 BATCH 3/4 BATCH BATCH CO[...]

  • Página 44

    Page 44 27201.0005B 5/96 © 1996 BUNN-O-MATIC CORPORATION 120/208 VOLTS AC OR 120/240 VOLTS AC 3 WIRE VIO PROBE PIN-20 1 4 3 2 LIQUID LEVEL BOARD[...]

  • Página 45

    Page 45 GRY 27201.0006B 5/96 © 1996 BUNN-O-MATIC CORPORATION 120/208 VOLTS AC OR 120/240 VOLTS AC 3 WIRE DUAL -TF BREWER ECA W/SERVER SENSOR & ONE-GRINDER INTERFACE BLK RIGHT SW. YEL FRACTIONAL BATCHES (CONNECT AS REQUIRED) FULL BATCH (NO CONNECTION) TAN GRY PNK 1/4 BATCH 1/3 BATCH 1/2 BATCH 2/3 BATCH 3/4 BATCH BATCH COMMON R T S E L E C T O R[...]

  • Página 46

    Page 46 27201.0007B 5/96 © 1996 BUNN-O-MATIC CORPORATION 200 OR 240 VOLTS AC 2 WIRE VIO PROBE PIN-20 1 4 3 2 LIQUID LEVEL BOARD BLK LIMIT THERMOSTAT OVERFLOW PROTECTION SW RED RED SW. & THERMOSTAT READY INDICATORS OPTIONAL RECOVERY BOOSTER BLK BLU K2 N.O. K3 N.O. RED DUAL-ATF OR BTF BREWER W/SERVER SENSOR & ONE-GRINDER INTERFACE BLU BLK L1[...]

  • Página 47

    Page 47 GRY 27201.0008B 5/96 © 1996 BUNN-O-MATIC CORPORATION 200 OR 240 VOLTS AC 2 WIRE DUAL -ATF BREWER ECA W/SERVER SENSOR & ONE-GRINDER INTERFACE BLK RIGHT SW. YEL FRACTIONAL BATCHES (CONNECT AS REQUIRED) FULL BATCH (NO CONNECTION) TAN GRY PNK 1/4 BATCH 1/3 BATCH 1/2 BATCH 2/3 BATCH 3/4 BATCH BATCH COMMON R T S E L E C T O R S W WHI/VIO WHI[...]