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Manuel d’utilisation Bunn TWF

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Summary
  • Bunn TWF - page 1

    BUNN-O-MA TIC CORPORA TION TW TWF POST OFFICE BOX 3227 SPRINGFIELD, ILLINOIS 62708-3227 TELEPHONE: (217) 529-6601 FAX: (217) 529-6644 10510.0000 11/00 © 1990 Bunn-O-Matic Corporation OPERA TING & SER VICE MANU AL BU N N ® ...

  • Bunn TWF - page 2

    Page 2 CONTENTS Introduction ............................................................. 2 Warranty .................................................................. 2 User Notices ............................................................ 3 Electrical Requirements ........................................... 4 Plumbing Requirements ........... ...

  • Bunn TWF - page 3

    Page 3 #00831.0000 ...

  • Bunn TWF - page 4

    Page 4 ELECTRICAL REQUIREMENTS CAUTION - The brewer must be disconnected from the power sour ce until specified in Initial Set-Up. 120V model brewers require 2-wire, grounded service rated 120 volt ac, 15 amp, single phase, 60 Hz. 120/208V model brewers require 3-wire, grounded service rated 120/ 208 volt, 20 amp, single phase, 60 Hz. Electrical Ho ...

  • Bunn TWF - page 5

    Page 5 I NITIAL SET -UP CAUTION – The brewer must be unplugged throughout the initial set-up, except when specified in the instruc- tions. 1. Remove the top lid from the brewer . 2. Rotate the control thermostat knob fully counter clockwise to the “OFF” position and replace the top lid. 3. Insert the funnel (empty) into the funnel rails. 4. P ...

  • Bunn TWF - page 6

    Page 6 ADJUSTING BREW VOLUMES CAUTION - Disconnect the power sour ce from the brewer prior to the removal of any panel for the replacement or adjustment of any component. NOTE: Prior to setting or modifying batch sizes, check that the brewer is connected to water supply , the tank is properly filled, and a funnel and server are in place. 1. Modifyi ...

  • Bunn TWF - page 7

    Page 7 OPERA TING CONTROLS A. TEA/OFF/COFFEE Switch TEA– Placing the switch in the left position allows the start switch to activate a timed brew cycle delivering .5 gallon of tea concentrate and 2.5 gallons of dilution water into the dispenser . OFF – Placing the switch in the center position stops the brew cycle. Stopping a brew cycle after i ...

  • Bunn TWF - page 8

    Page 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 T echnical Service Department. • Inspection, testing, and repair of electrical equipment should be performed only b ...

  • Bunn TWF - page 9

    Page 9 TROUBLESHOOTING (cont.) PROBLEM PROBABLE CAUSE REMEDY Brew cycle(s) will not start (cont.) Brew water is not hot Dilution (Iced T ea) cycle will not start 6. Brew Timer A) Iced T ea B) Hot Coffee 7. Brew Solenoid Valve A) Iced T ea B) Hot Coffee 8. Internal Flow control (.195 GPM) (Hot Coffee Only) 1. Limit Thermostat CAUTION - Do not elimin ...

  • Bunn TWF - page 10

    Page 10 TROUBLESHOOTING (cont.) PROBLEM PROBABLE CAUSE REMEDY Dilution (Iced T ea) cycle will not start (cont.) Inconsistent beverage level in dis- penser (Hot Coffee) Consistently high or low beverage level in the dispenser 2. Start Switch 3. Brew T imer (Iced T ea) 4. Brew Solenoid Valve (Iced T ea) 5. Dilution Solenoid Valve 1. Internal Flow Con ...

  • Bunn TWF - page 11

    Page 11 TROUBLESHOOTING (cont.) PROBLEM Consistently high or low beverage level in the dispenser . (cont.) Spitting or excessive steaming Drip-out time too long Dripping from sprayhead PROBABLE CAUSE 2. External Strainer/Flow Control (.750 GPM) 1. Lime Build-up CAUTION - T ank and tank compo- nents should be delimed regularly depending on local wat ...

  • Bunn TWF - page 12

    Page 12 TROUBLESHOOTING (cont.) Water flows into tank continuously (TEA/OFF/COFFEE Switch in the "TEA or "COFFEE" position) Water flows into tank continuously (TEA/OFF/COFFEE Switch in the "OFF" position) Beverage overflows dispenser 1. Brew Timer A) Iced T ea B) Hot Coffee 1. Brew Solenoid Valve A) Iced T ea B) Hot Coffee ...

  • Bunn TWF - page 13

    Page 13 BUNN ® paper filters must be used for proper extraction. A sufficient quantity of fresh tea leaves or coffee should be used for proper extraction. A six-hole (or seven-hole for Mod- els with 90 oz concentrate option) stainless steel sprayhead must be used for proper extraction. The BUNN ® paper filter must be cen- tered in the funnel and ...

  • Bunn TWF - page 14

    Page 14 SERVICE This section provides procedures for testing and replacing various major components used in this brewer should ser vice become necessary . Refer to T roubleshooting for assistance in determining the cause of any problem. WARNING - Inspection, testing, and repair of electri- cal equipment should be performed only by qualified ser vic ...

  • Bunn TWF - page 15

    Page 15 Location: Viewing the brewer from the, rear the hot coffee brew solenoid valve is mounted on the left side of the mounting bracket. Test Procedures: 1. Disconnect the brewer from the power sour ce. 2. Disconnect the white/red and white/green wires from the hot coffee solenoid valve. With the TEA/ OFF/COFFEE switch in the "COFFEE" ...

  • Bunn TWF - page 16

    Page 16 P2198.50 FIG. 4 ICED TEA BREW SOLENOID V AL VE Location: Viewing the brewer from the rear, the iced tea brew solenoid valve is mounted in the center of the mount- ing bracket. Test Procedures: 1. Disconnect the brewer from the power sour ce. 2. Disconnect the white/violet and white/blue wires from the iced tea brew solenoid valve. With the ...

  • Bunn TWF - page 17

    Page 17 ...

  • Bunn TWF - page 18

    Page 18 Location: The timer is located inside the hood on the left side. Test Procedure. 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 source and remove the front access panel. 2. Remove the two #8-32 screws securing circuit bo ...

  • Bunn TWF - page 19

    Page 19 TL1 - WHI/RED to Hot Coffee Solenoid and WHI/RED to TEA/OFF/COFFEE Switch TL2 - WHI to Power Cord (120V Models) or WHI to T erminal Block (120/208V Models) TL3 - WHI/ORN to ST ART Switch TL4 - WHI/GRN to Hot Coffee Solenoid TL5 - WHI/YEL to ST ART Switch FIG. 9 DIGIT AL TIMER WIRING P2037 SERVICE (cont.) DIGITAL BREW TIMER (HOT COFFEE - Lat ...

  • Bunn TWF - page 20

    Page 20 ...

  • Bunn TWF - page 21

    Page 21 Location: The timer is located inside the hood, on the right side. Test Procedure. 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 source and remove the front access panel. 2. Remove the two #8-32 screws securing circuit ...

  • Bunn TWF - page 22

    Page 22 TL1 - WHI/VIO to Iced T ea Solenoid and WHI/VIO to TEA/OFF/COFEE Switch TL2 - WHI to Power Cord (120V Models) or WHI to T erminal Block (120/208V Models) TL3 - ORN to ST AR T Switch TL4 - WHI/BLU to Iced T ea Solenoid TL5 - YEL to ST AR T Switch FIG. 13 DIGIT AL TIMER WIRING P2037 SERVICE (cont.) DIGITAL BREW TIMER (ICED TEA - Late Models)( ...

  • Bunn TWF - page 23

    Page 23 B U N N BUNN O F F OFF HI HI Location: The control thermostat is located inside hood on the right side to the left of the iced tea brew timer. Test Procedures: 1. Disconnect the brewer from the power sour ce. 2. With a voltmeter , check the voltage across the blue wire on the control thermostat and the white wire on the tank heater for 120 ...

  • Bunn TWF - page 24

    Page 24 SERVICE (cont.) DILUTION SOLENOID V AL VE FIG. 16 DILUTION SOLENOID V AL VE P2198.50 Location: Viewing the brewer from the rear the dilution so- lenoid is mounted on the right side of the solenoid mounting bracket which is secured to the trunk base. T est Procedure: 1. Disconnect the brewer from the power sour ce. 2. With a voltmeter , chec ...

  • Bunn TWF - page 25

    Page 25 SERVICE (cont.) LIMIT THERMOST A T FIG. 18 LIMIT THERMOST A T P2198.50 Location: The limit thermostat is located inside the hood on the tank lid. T est Procedure: 1. Disconnect the brewer from the power source and remove the black wire from the limit thermostat. 2. With a voltmeter , check the voltage across the black wire removed from the ...

  • Bunn TWF - page 26

    Page 26 FIG.21 TEA/OFF/COFFEE SWITCH TERMINALS P1367 SERVICE (cont.) TEA/OFF/COFFEE SWITCH FIG. 20 TEA/OFF/COFFEE SWITCH P1959.60 Location: The TEA/OFF/COFFEE switch is located in the front of the hood, above and to the left of the brew funnel. T est Procedure: 1. Disconnect the brewer from the power sour ce. 2 . Remove the black, white/violet and ...

  • Bunn TWF - page 27

    Page 27 SERVICE (cont.) ST ART SWITCH FIG. 22 ST ART SWITCH P1959.60 Location: The start switch is located in the front of the hood, above and to the right of the brew funnel. T est Procedure: 1. Disconnect the brewer from the power sour ce. 2. Remove the wires from all four terminals. 3. Check for continuity across the two terminals on the right s ...

  • Bunn TWF - page 28

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  • Bunn TWF - page 29

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  • Bunn TWF - page 30

    Page 30 SERVICE (cont.) HALF BA TCH SWITCH (Optional) FIG. 28 HALF BA TCH SWITCH P1959.60 Location: The HALF BA TCH switch is located in the front of the hood, above and to the far left of the brew funnel. T est Procedure: 1. Disconnect the brewer from the power sour ce. 2. With an ohmmeter , check for continuity between the two terminals of the sw ...

  • Bunn TWF - page 31

    Page 31 ...

  • Bunn TWF - page 32

    Page 32 10510 112000 10502.0003A 9/00 ©2000 BUNN-O-MA TIC CORPORA TION READY INDICATOR BLK BLU ...

Fabricant Bunn Catégorie Coffeemaker

Les documents que nous recevons du fabricant de l'appareilBunn TWF peuvent être divisés en plusieurs groupes. Ceux-ci sont, entre autres:
- dessins techniques Bunn
- manuels d’utilisations TWF
- fiches produit Bunn
- dépliants
- ou étiquettes-énergie Bunn TWF
Tous sont importants, mais les informations les plus importantes du point de vue de l'utilisation de l'appareil se trouvent dans le manuel d’utilisation Bunn TWF.

Un groupe de documents appelé manuels d’utilisation est également divisé en types plus spécifiques, tels que: Manuels d’installation Bunn TWF, manuels d’entretien, brefs manuels ou manuels de l’utilisateur Bunn TWF. Selon vos besoins, vous devriez chercher le document dont vous avez besoin. Sur notre site, vous pouvez voir le manuel le plus populaire d’utilisation du produit Bunn TWF.

Manuels d’utilsiation similaires

Manuel d’utilisation complet de l’appareil Bunn TWF, quelle devrait-elle être?
Le manuel d’utilisation, également appelé le mode d’emploi, ou tout simplement le manuel, est un document technique destiné à aider à utiliser Bunn TWF par les utilisateurs. Des manuels sont généralement écrits par un rédacteur technique, mais dans un langage accessible à tous les utilisateurs Bunn TWF.

Le manuel d’utilisation complet Bunn, devrait inclure plusieurs éléments de base. Certains d'entre eux sont moins importants, tels que: la couverture / page de titre ou pages d'auteur. Cependant, la partie restante, devrait nous fournir des informations importantes du point de vue de l'utilisateur.

1. Introduction et des conseils sur la façon d'utiliser le manuel Bunn TWF - Au début de chaque manuel, nous devrions trouver des indices sur la façon d'utiliser le document. Il doit contenir des informations sur l'emplacement de la table des matières Bunn TWF, FAQ ou des problèmes les plus fréquents - les points qui sont les plus souvent recherchés par les utilisateurs de chaque manuel
2. Table des matières - index de tous les conseils pour lBunn TWF qui peuvent être trouvés dans le document courant
3. Conseils sur la façon d'utiliser les fonctions de base de l’appareil Bunn TWF - qui devraient nous aider dans les premières étapes lors de l'utilisation Bunn TWF
4. Troubleshooting - séquence systématique des activités qui nous aideront à diagnostiquer et ensuite résoudre les principaux problèmes de Bunn TWF
5. FAQ - questions fréquemment posées
6. Détails du contact Informations sur l'endroit où chercher le contact avec le fabricant / service Bunn TWF dans un pays donné, si le problème ne peut être résolu par nous-mêmes.

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