Bunn TWF manuel d'utilisation

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Un bon manuel d’utilisation

Les règles imposent au revendeur l'obligation de fournir à l'acheteur, avec des marchandises, le manuel d’utilisation Bunn TWF. Le manque du manuel d’utilisation ou les informations incorrectes fournies au consommateur sont à la base d'une plainte pour non-conformité du dispositif avec le contrat. Conformément à la loi, l’inclusion du manuel d’utilisation sous une forme autre que le papier est autorisée, ce qui est souvent utilisé récemment, en incluant la forme graphique ou électronique du manuel Bunn TWF ou les vidéos d'instruction pour les utilisateurs. La condition est son caractère lisible et compréhensible.

Qu'est ce que le manuel d’utilisation?

Le mot vient du latin "Instructio", à savoir organiser. Ainsi, le manuel d’utilisation Bunn TWF décrit les étapes de la procédure. Le but du manuel d’utilisation est d’instruire, de faciliter le démarrage, l'utilisation de l'équipement ou l'exécution des actions spécifiques. Le manuel d’utilisation est une collection d'informations sur l'objet/service, une indice.

Malheureusement, peu d'utilisateurs prennent le temps de lire le manuel d’utilisation, et un bon manuel permet non seulement d’apprendre à connaître un certain nombre de fonctionnalités supplémentaires du dispositif acheté, mais aussi éviter la majorité des défaillances.

Donc, ce qui devrait contenir le manuel parfait?

Tout d'abord, le manuel d’utilisation Bunn TWF devrait contenir:
- informations sur les caractéristiques techniques du dispositif Bunn TWF
- nom du fabricant et année de fabrication Bunn TWF
- instructions d'utilisation, de réglage et d’entretien de l'équipement Bunn TWF
- signes de sécurité et attestations confirmant la conformité avec les normes pertinentes

Pourquoi nous ne lisons pas les manuels d’utilisation?

Habituellement, cela est dû au manque de temps et de certitude quant à la fonctionnalité spécifique de l'équipement acheté. Malheureusement, la connexion et le démarrage Bunn TWF ne suffisent pas. Le manuel d’utilisation contient un certain nombre de lignes directrices concernant les fonctionnalités spécifiques, la sécurité, les méthodes d'entretien (même les moyens qui doivent être utilisés), les défauts possibles Bunn TWF et les moyens de résoudre des problèmes communs lors de l'utilisation. Enfin, le manuel contient les coordonnées du service Bunn en l'absence de l'efficacité des solutions proposées. Actuellement, les manuels d’utilisation sous la forme d'animations intéressantes et de vidéos pédagogiques qui sont meilleurs que la brochure, sont très populaires. Ce type de manuel permet à l'utilisateur de voir toute la vidéo d'instruction sans sauter les spécifications et les descriptions techniques compliquées Bunn TWF, comme c’est le cas pour la version papier.

Pourquoi lire le manuel d’utilisation?

Tout d'abord, il contient la réponse sur la structure, les possibilités du dispositif Bunn TWF, l'utilisation de divers accessoires et une gamme d'informations pour profiter pleinement de toutes les fonctionnalités et commodités.

Après un achat réussi de l’équipement/dispositif, prenez un moment pour vous familiariser avec toutes les parties du manuel d'utilisation Bunn TWF. À l'heure actuelle, ils sont soigneusement préparés et traduits pour qu'ils soient non seulement compréhensibles pour les utilisateurs, mais pour qu’ils remplissent leur fonction de base de l'information et d’aide.

Table des matières du manuel d’utilisation

  • Page 1

    BUNN-O-MA TIC CORPORA TION T W TW F 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 OPER A T ING & SE R V I CE MAN U AL B U N N ® DISCONTINUED VERSION The information in this manual is no longer current.[...]

  • Page 2

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

  • Page 3

    Page 3 #00831.0000 #00656.0000 #03408.0000 #03409.0000 #02822.0000 USER NOTICES Carefully read and follow all notices on the equipment and in this manual. They were written for your protec- tion. All notices on the equipment should be kept in good condition. Replace any unreadable or damaged labels 10510 081599[...]

  • 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 ser vice rated 120/ 208 volt, 20 amp, single phase, 60 Hz. Electrical H[...]

  • 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[...]

  • 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[...]

  • 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[...]

  • 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 Ser vice Department. • Inspection, testing, and repair of electrical equipment should be performed only [...]

  • 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[...]

  • 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[...]

  • 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[...]

  • 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 [...]

  • 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 [...]

  • Page 14

    Page 14 SERVICE This section provides procedures for testing and replacing various major components used in this brewer should service 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 vice[...]

  • 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" [...]

  • 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 [...]

  • Page 17

    Page 17 Location: The hot coffee brew timer is located in the hood on the left side. It consists of a dial plate and circuit board. T est Procedure: 1. Disconnect the brewer from the power sour ce. 2. Remove the wires from terminals TL3, TL4, & TL5 of the timer and rotate the dial fully counterclock- wise. 2. With a voltmeter , check the voltag[...]

  • 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[...]

  • 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[...]

  • Page 20

    Page 20 Location: The iced tea brew timer is located in the hood on the right side. It consists of the dial plate and circuit board. T est Procedure: 1. Disconnect the brewer from the power sour ce. 2. Remove the wires from terminals TL3, TL4, & TL5 of the iced tea timer and rotate the dial fully coun- ter clockwise. 2. With a voltmeter , check[...]

  • 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 [...]

  • 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 ART Switch TL4 - WHI/BLU to Iced T ea Solenoid TL5 - YEL to ST ART Switch FIG. 13 DIGIT AL TIMER WIRING P2037 SERVICE (cont.) DIGITAL BREW TIMER (ICED TEA - Late Models)(co[...]

  • 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 [...]

  • 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[...]

  • 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 acros s the black wire removed from the[...]

  • 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 [...]

  • 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[...]

  • Page 28

    Page 28 FIG. 24 T ANK HEA TER Location: The tank heater is located inside the tank and se- cured to the tank lid. T est Procedures: 1. Disconnect the brewer from the power supply . 2. With a voltmeter , check the voltage acros s the black and white wires on 120 volt models or the black and red wires for 120/208 volt models. Con- nect the brew to th[...]

  • Page 29

    Page 29 SERVICE (cont.) THERMAL FUSE (Models W/Faucet Only) FIG. 26 THERMAL FUSE P2198.50 Location: The thermal fuse is located inside the hood con- nected to the right tank heater terminal. T est Procedures: 1. Disconnect the brewer from the power sour ce. 2. Disconnect the thermal fuse from the right tank heater terminal and the black lead from t[...]

  • 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[...]

  • Page 31

    Page 31 10510 081599[...]

  • Page 32

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