Bunn U3 U3A 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 U3 U3A. 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 U3 U3A 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 U3 U3A 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 U3 U3A devrait contenir:
- informations sur les caractéristiques techniques du dispositif Bunn U3 U3A
- nom du fabricant et année de fabrication Bunn U3 U3A
- instructions d'utilisation, de réglage et d’entretien de l'équipement Bunn U3 U3A
- 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 U3 U3A 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 U3 U3A 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 U3 U3A, 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 U3 U3A, 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 U3 U3A. 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
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Page 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 F AX: (217) 529-6644 10060.0000G 8/00 ©1984 Bunn-O-Matic Corporation BU N N ® U3 U3A[...]
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Page 2
Page 2 INTRODUCTION This brewer will brew a three gallon batch of coffee into each reservoir (one at a time). Each reservoir has its own dispensing faucet(s).The brewer also has a hot water faucet(s) for allied beverage use. It is only for indoor use on a sturdy counter. W ARRANTY Bunn-O-Matic Corp. (“Bunn”) warrants the equipment manufactured [...]
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Page 3
Page 3[...]
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Page 4
Page 4 ELECTRICAL REQUIREMENTS CAUTION - The brewer must be disconnected from the power source until specified in Initial Set-Up. U333 & U3833 requires 3-wire, grounded service rated 240 volt ac, 35 amp or 440 volts ac, 30 amp for U333,three phase, 60 Hz or 380 volts ac, 30 amp for U3833, three phase, 50 Hz. Proceed as follows: U3 & U38 req[...]
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Page 5
Page 5 INITIAL SETUP CAUTION - The brewer must be disconnected from the power source throughout the initial setup, except when specified in the instructions. IMPORTANT: Brewer must be level and installed on a sturdy structure. Electrician's and Plumber's Instructions are provided. These instructions should be carefully followed before pro[...]
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Page 6
Page 6 INITIAL SETUP (cont.) 6. Brewing cycles may be started whenever water temperature is correct. This condition is indicated by the dial thermometer on front of the brewer. Whenever the pointer is in the green, brewer is ready for brewing. The recommended brewing temperature is approximately 200 ° F (93 ° C). Water temperature may be increase[...]
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Page 7
Page 7 COFFEE BREWING 1. Brewing cycles may be started whenever water temperature is correct. This condition is indicated by the dial thermometer on front of the brewer. Whenever the pointer is in the green, brewer is ready for brewing. 2. Insert Bunn ® filter in funnel and add desired amount of coffee. 3. Level the bed of coffee and place funnel [...]
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Page 8
Page 8 PROBLEM Brew cycle will not start PROBABLE CAUSE 1. No water 2. No power or incorrect voltage to the brewer REMEDY Water lines and valves to the brewer must be open. (A1) Check the terminal block for 120 volts ac across the red and white terminals and the black and white terminal on three wire 102/ 208 volt or 120/240 volt models. (A2) Check[...]
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Page 9
Page 9 TROUBLESHOOTING (cont.) PROBLEM Brew cycle will not start (cont) Brew cycle starts with brew lockout relay engaged. PROBABLE CAUSE 2. No power or incorrect voltage to the brewer (cont) 3. Water level below pump housing. (Water level in the hot water gauge glass should be approximately half full). 4. ON/OFF Switch 5. Start Switch 6. Relay 7. [...]
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Page 10
Page 10 TROUBLESHOOTING (cont.) PROBLEM Tank not filling Water running out of the overflow PROBABLE CAUSE 1.ON/OFF Switch (This switch must be in the "ON" position for the refill circuit to operate. 2. No water 3. Solenoid Valve 4. Probe 5. Liquid Level Board 1.Brewer not level 2. Solenoid Valve 3. Liquid Level Board 4. Probe 5. Manual fi[...]
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Page 11
Page 11 PROBABLE CAUSE 1. Limit Thermostat CAUTION - Do not eliminate or bypass limit thermostat. Use only Bunn-O-Matic replacement part #29329.1000 2. Control Thermostat 3. Tank Heater(s) 4. Contactor 1. Circuit Breaker 2. Tank Heater(s) 1. Timer 2. Start Switch 1. Timer 2. Solenoid Valve 3. Lime build-up in swing spout and pump tubing. 1. Filters[...]
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Page 12
Page 12 TROUBLESHOOTING (cont.) PROBLEM Funnels overflow (cont.) Coffee reservoir overflows Brewer is making unusal noises PROBABLE CAUSE REMEDY 3. Pump - Flow Rate 4. Soft Water 1. Coffee reservoir not completely empty befor a brew cycle was started. 2. Timer 3. Pump - Flow Rate 1. Solenoid Valve 2. Plumbing lines 3. Water supply 4. Tank Heater(s)[...]
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Page 13
Page 13 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[...]
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Page 14
Page 14 SERVICE (cont.) CIRCUIT BREAKER (120/208V and 120/240V Three Wire Models and 440V Four Wire Models) Location: The circuit breaker is located on the right rear of the component bracket. Test Procedures: 1. Disconnect the brewer from the power source. 2. Disconnect the black wire from the main harness from the circuit breaker and the white wi[...]
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Page 15
Page 15[...]
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Page 16
Page 16 RED to Left Tank Heater (T2) RED to Terminal Block(L2) BLK Thermal Fuse to Left Tank Heater BLK to left Tank Heater (L1) BLK to Right Tank Heater (T1) BLK to Terminal Block (L1) RED to Right Tank Heater (L2) WHI from Main Harness (120/208V,120/240V,380V Three Wire Models, 380V and 440V Four Wire Models) RED from Main Harness (208V, 240V Two[...]
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Page 17
Page 17 SERVICE (cont.) CONTROL THERMOSTAT[...]
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Page 18
Page 18 SERVICE (cont.) FUSE AND FUSE HOLDER (208V, 240V, 230V Two Wire Models and 380V Three Wire Models) Location: The fuse and fuse holder are located on the right rear of the component bracket. Test Procedures: 1. Disconnect the brewer from the power source. 2. Remove the cap and fuse from the fuse holder. 3. Remove fuse from the cap. 4. Check [...]
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Page 19
Page 19 LIMIT THERMOSTAT SERVICE (cont.)[...]
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Page 20
Page 20 8. Disconnect the brewer from the power source and remove the jumper wire from terminal 4. If voltage is present as described, liquid level board is operating properly, proceed to #9. If voltage is not present as described, replace the liquid level board. LIQUID LEVEL BOARD AND LEVEL PROBE[...]
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Page 21
Page 21 SERVICE (cont.) LIQUID LEVEL BOARD AND LEVEL PROBE (cont.) T1 BLU to Solenoid Valve T2 BLK to ON/OFF Switch (All models except 230V-CE models) T3 WHI to Main Harness (120/208V, 120/240V, four wire 380V and 440V models) T3 WHI to Transformer (380V three wire models) T3 RED to Main Harness (208V, 240V single phase and three phase models) T3 B[...]
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Page 22
Page 22 5. Disconnect the wires on the ON/OFF switch. 6. a) 120/208V, 120/240V, 208V, 240V, 380V and 440V Models - Check for continuity across the terminals on the rear of the switch with the switch in the "ON" (upper) position. Continuity must not be present when the switch is in the "OFF" (lower) position. b) 230V - CE Models [...]
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Page 23
Page 23 SERVICE (cont.) PUMP ASSEMBLY[...]
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Page 24
Page 24 RELAY (BREWERS W/BREW LOCKOUT)[...]
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Page 25
Page 25 SERVICE (cont.) RELAY (BREWERS W/BREW LOCKOUT) 120/208V, 120/240V, 208V, 380V, 440V AND 240V MODELS PRIOR TO #U300004095 230V MODELS #U300004095 AND UP FIG.19 RELAY TERMINALS P1739 RED from Main Harness BLU from Brew Timer BLK to Control Thermostat BLU to Start Switch BLU from Brew Timer BLK from Main Harness RED to Control Thermostat BLU f[...]
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Page 26
Page 26 SELECTOR SWITCH (HALF BATCH OPTION) FIG. 20 SELECTOR SWITCH (HALF BATCH) Location: The selector switch is located in the upper center of the switch mounting panel. Test Procedures: 1. Disconnect the brewer from the power source. 2. Disconnect the wires from the switch terminals. 3. Check for continuity across the switch terminals with the s[...]
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Page 27
Page 27 SERVICE (cont.) SOLENOID[...]
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Page 28
Page 28 SERVICE (cont.) SOLENOID 6. Remove the tank inlet tube grommet and discard. 7. Install new tank inlet tube grommet. 8. Install new solenoid assembly. 9. Install liquid level board, shield and secure sole- noid assembly and shield to the component bracket with a #10-32 screw and flat washer.. 10. Install water inlet tube to connector on the [...]
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Page 29
Page 29 START SWITCH (BREW)[...]
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Page 30
Page 30 BLK to Contactor T1 (All Models Except 230V-CE Models) BLK (Thermal Fuse) to Contactor Top Left Ter- minal) (230V-CE Models) RED to Contactor T2 (All Models Except 230V-CE Models) RED (Thermal Fuse) to Contactor Top Right Termi- nal) (230V-CE Models) BLK to Contactor L1 (120/ 208V, 120/240 Three Wire Single Phase, 208V and 240V Two Wire, Si[...]
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Page 31
Page 31 SERVICE (cont.) THERMAL FUSES (230V-CE MODELS ONLY)[...]
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Page 32
Page 32 SERVICE (cont.) TIMER (Early Models)(cont.) 5. With a voltmeter, check the voltage across the sockets P1 and P2 (blue and white wires) of the female connector on the main harness when the "ON/OFF" switch is in the "ON" (upper) position and the start switch pressed. Connect the brewer to the power source. The indication m[...]
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Page 33
Page 33 DIGITAL TIMER (Late Models)[...]
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Page 34
Page 34 SERVICE (cont.) DIGITAL TIMER (Late Models) BLU/BLK wire from TL5 to P1 WHI/GRN wire from TL4 to (WHI) Pump WHI/BLU wire from TL3 to (BLK) Pump WHI wire from TL2 to P2 BLK wire from TL1 to P3 J2 - Three Pin connector from Half/Full Batch Switch P2037 FIG. 33 DIGITAL TIMER TERMINALS NOTE: All volume settings must be done with the sprayhead i[...]
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Page 35
Page 35 BLK from Terminal Block SERVICE (cont.) TRANSFORMER (380V THREE WIRE MODELS ONLY)[...]
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Page 36
Page 36[...]
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Page 37
Page 37[...]
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Page 38
Page 38[...]
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Page 39
Page 39[...]
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Page 40
Page 40 SCHEMA TIC WIRING DIAGRAM U3833 10060 080900[...]
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Page 41
Page 41 SCHEMA TIC WIRING DIGRAM U3833 10060 080900[...]