Manual de instrucciones de Bunn TNTF-3

Manual de instrucciones del aparato Bunn TNTF-3

Aparato: Bunn TNTF-3
Categoría: Máquina de café
Fabricante: Bunn
Tamaño: 1.44 MB
Fecha de añadido: 11/11/2013
Número de páginas: 30
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Resumen del contenido incluido en la página 1

®
BUNN
TNT-3
TNTF-3
OPERATING & SERVICE MANUAL
BUNN-O-MATIC CORPORATION
POST OFFICE BOX 3227
SPRINGFIELD, ILLINOIS 62708-3227
TELEPHONE: (217) 529-6601 FAX: (217) 529-6644
28201.0000C 8/00 © 1997 Bunn-O-Matic Corporation

Resumen del contenido incluido en la página 2

CONTENTS Introduction ............................................................. 2 Warranty .................................................................. 2 User Notices ............................................................ 3 Electrical Requirements ........................................... 4 Plumbing Requirements .......................................... 4 Initial Set-Up............................................................ 5 Adjusting Brew Volumes........................

Resumen del contenido incluido en la página 3

USER NOTICES Carefully read and follow all notices on the equipment and in this manual. They were written for your protection. All notices on the equipment should be kept in good condition. Replace any unreadable or damaged labels. #00831.0000 #00656.0000 #03408.0000 #03409.0000 28201 081598 Page 3

Resumen del contenido incluido en la página 4

ELECTRICAL REQUIREMENTS CAUTION - The brewer must be disconnected from the power source until specified in Initial Set-Up. 120V model brewers require 2-wire, grounded service rated 120 volt ac, 15 amp, single phase, 60 Hz. L2 RED 120/208V model brewers require 3-wire, grounded service rated 120/ 120V.A.C. WHITE 208V.A.C. 208 volt, 20 amp, single phase, 60 Hz. NEUTRAL 120V.A.C. L1 BLACK Electrical Hook-Up CAUTION – Improper electrical installation will damage electronic components. 1. An electric

Resumen del contenido incluido en la página 5

PLUMBING REQUIREMENTS (cont.) P1394 P1392 BREWERS W/OUT FAUCET BREWERS W/FAUCET 1. Remove the shipping cap(s) from the bulkhead fitting(s) on the rear of the brewer. 2. Attach the flare fitting from the short piece of tubing on the strainer/flow control (supplied) to the water inlet fitting(s) at the rear of the brewer. 3. Flush the water line and securely attach it to the flare fitting on the tee or strainer/flow control. 4. Turn on the water supply. 5. On Brewers with a faucet place an empty v

Resumen del contenido incluido en la página 6

INITIAL SET-UP (cont.) 13. Empty the dispenser. 14. Plug in the brewer and wait for the water in the tank to heat to brewing temperature (approximately 20 minutes). Some water will drip from the funnel during this time; this is due to expansion and should not occur thereafter. 15. Place the ICED/OFF/HOT switch in the “HOT” position and begin another brew cycle. Empty the reservoir after water has stopped flowing from the funnel. 16. Allow the water in the tank to heat to the proper temperature

Resumen del contenido incluido en la página 7

CLEANING CAUTION – Do not keep brewed tea overnight. Clean and sanitize your iced tea dispenser daily 1. Remove and thoroughly clean the brew funnel. The funnel tip and screen must be free from any tea particles or residue. Reassemble the funnel. 2. Unplug the brewer. Remove and thoroughly rinse the sprayhead. The holes must be open and clear of any mineral deposits. Wipe the sprayhead panel clean with a damp cloth. 3. Insert the deliming spring into the sprayhead fitting until no more th

Resumen del contenido incluido en la página 8

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 qualified service person- nel. • All electronic components have 120 volt ac and low voltage dc potential on their terminals. Shorting of terminals or the ap

Resumen del contenido incluido en la página 9

TROUBLESHOOTING (cont.) PROBLEM PROBABLE CAUSE REMEDY Brew cycle(s) will not start (cont.) 6. Brew Timer A) Iced Tea Refer to Service - Brew Timer (Iced Tea) for testing procedures. See page 20 or 21 B) Hot Tea Refer to Service - Brew Timer (Hot Tea) for testing procedures. See page 17 or 18 7. Brew Solenoid Valve A) Iced Tea Refer to Service - Brew Solenoid Valve (Iced Tea) for testing proce- dures. See page 16 B) Hot Tea Refer to Service- Brew Solenoid Valve (Hot Tea) for testing proce- dure

Resumen del contenido incluido en la página 10

TROUBLESHOOTING (cont.) PROBLEM PROBABLE CAUSE REMEDY Dilution (Iced Tea) cycle will not 2. Start Switch Refer to Service - Start Switch for start (cont.) testing procedures. See page 27 3. Brew Timer (Iced Tea) Refer to Service- Brew Timer (Iced Tea) for testing procedures. See page 20 or 21 4. Brew Solenoid Valve (Iced Tea) Refer to Service - Brew Solenoid Valve (Iced Tea) for testing proce- dures. See page 16 5. Dilution Solenoid Valve Refer to Service - Dilution Solenoid Valve for testing pr

Resumen del contenido incluido en la página 11

TROUBLESHOOTING (cont.) PROBLEM PROBABLE CAUSE REMEDY Consistently high or low beverage 2. External Strainer/Flow Control (A) Direction of flow arrow must be level in the dispenser. (cont.) pointing towards brewer. (.750 GPM) (B) Remove the strainer/flow con- trol and check for obstructions. Clear or replace. Spitting or excessive steaming 1. Lime Build-up Inspect tank assembly for excessive CAUTION - Tank and tank compo- lime deposits. Delime as required. nents should be delimed regularly depen

Resumen del contenido incluido en la página 12

TROUBLESHOOTING (cont.) PROBLEM PROBABLE CAUSE REMEDY Water flows into tank continuously 1. Brew Timer Refer to Service - Brew Timer (Iced (ICED/OFF/HOT Switch in the "ICED A) Iced Tea or "HOT" position) Tea) for testing procedures. See page 20 B) Hot Tea Refer to Service- Brew Timer (Hot Tea) for testing procedures. See page 17 Water flows into tank continuously 1. Brew Solenoid Valve (ICED/OFF/HOT Switch in the "OFF" A) Iced Tea Refer to Service - Brew Solenoid Valve (Iced Tea) for testing pr

Resumen del contenido incluido en la página 13

TROUBLESHOOTING (cont.) PROBLEM PROBABLE CAUSE REMEDY ® Weak beverage BUNN paper filters must be used 1. Filter Type for proper extraction. A sufficient quantity of fresh, loose 2. Tea tea leaves should be used for proper extraction. A six-hole stainless steel spray- 3. Sprayhead head must be used for proper ex- traction. ® paper filter must be cen- 4. Funnel Loading The BUNN tered in the funnel and the bed of tea leaves leveled by gentle shaking. Place an empty funnel on an empty 5. Water T

Resumen del contenido incluido en la página 14

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 personnel. The brewer should be disconnected from the power source when servicing, except when electrical tests are required and the test procedure spe- cific

Resumen del contenido incluido en la página 15

SERVICE (cont.) If continuity is not present as described, replace the solenoid valve. BREW SOLENOID VALVE (HOT TEA) 6. Check the hot tea solenoid valve for coil action. Connect the brewer to the power source. With ICED/OFF/HOT switch in the "HOT" position press the start switch and listen carefully in the vicinity of the solenoid valve for a "clicking" sound as the coil magnet attracts. 7. Disconnect the brewer from the power source. If the sound is heard as described and water will not pass

Resumen del contenido incluido en la página 16

SERVICE (cont.) If continuity is not present as described, replace the solenoid valve. BREW SOLENOID VALVE (ICED TEA) 6. Check the iced tea solenoid valve for coil action. Connect the brewer to the power source. With ICED/OFF/HOT switch in the "ICED" position press the start switch and listen carefully in the vicinity of the solenoid valve for a "clicking" sound as the coil magnet attracts. 7. Disconnect the brewer from the power source. If the sound is heard as described and water will not pa

Resumen del contenido incluido en la página 17

SERVICE (cont.) If continuity is not present as described, refer to the BREW TIMER (HOT TEA - EARLY MODELS) Wiring Diagram and check the wiring harness. 5. Check the voltage across terminals TL1 and TL4 with a voltmeter when the ICED/OFF/HOT switch is in the “HOT” position and the start switch is momentarily placed in the lower position. Con- nect the brewer to the power source. The indica- tion must be 120 volts ac for two wire 120 volt models and three wire 120/208 volt models for approximate

Resumen del contenido incluido en la página 18

SERVICE (cont.) BREW TIMER (HOT TEA - LATE MODELS) 6. With a voltmeter, check the voltage across termi- nals TL1 and TL4 when the "ON/OFF" switch is in the "ON" position and the ICED/OFF/HOT switch is in the "HOT" position. Connect the brewer to the power source. The indication must be 0 volts. If voltage is as described, proceed to #7. If voltage is not as described, disconnect the brewer from the power source and replace the timer. 7. With a voltmeter, check the voltage across termi- nals TL1

Resumen del contenido incluido en la página 19

SERVICE (cont.) procedure is repeated. BREW TIMER (HOT TEA - LATE MODELS)(cont.) NOTE: When brewing coffee, volume will decrease due to absorption by the coffee grounds. 1. Modifying brew volumes. To modify a brew vol- ume, first check that the SET/LOCK switch is in the 3. Setting programming disable feature. If it be- “SET” position on the circuit board. comes necessary to prevent anyone from changing brew time once programmed, you can set the SET/ To increase a brew volume, place the ON/OFF LO

Resumen del contenido incluido en la página 20

SERVICE (cont.) If continuity is present as described, reconnect the wires to terminals TL3, TL4, & TL5 of the timer board BREW TIMER (ICED TEA - EARLY MODELS) and proceed to #5. If continuity is not present as described, refer to the Wiring Diagram and check the wiring harness. 5. With a voltmeter, check the voltage across termi- nals TL1 and TL4 when the ICED/OFF/HOT switch is in the “ICED” position and the start switch is momentarily placed in the lower position. Con- nect the brewer to the


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