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Bunn U3 U3A manuale d’uso - BKManuals
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Bunn U3 U3A manuale d’uso

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Un buon manuale d’uso

Le regole impongono al rivenditore l'obbligo di fornire all'acquirente, insieme alle merci, il manuale d’uso Bunn U3 U3A. La mancanza del manuale d’uso o le informazioni errate fornite al consumatore sono la base di una denuncia in caso di inosservanza del dispositivo con il contratto. Secondo la legge, l’inclusione del manuale d’uso in una forma diversa da quella cartacea è permessa, che viene spesso utilizzato recentemente, includendo una forma grafica o elettronica Bunn U3 U3A o video didattici per gli utenti. La condizione è il suo carattere leggibile e comprensibile.

Che cosa è il manuale d’uso?

La parola deriva dal latino "instructio", cioè organizzare. Così, il manuale d’uso Bunn U3 U3A descrive le fasi del procedimento. Lo scopo del manuale d’uso è istruire, facilitare lo avviamento, l'uso di attrezzature o l’esecuzione di determinate azioni. Il manuale è una raccolta di informazioni sull'oggetto/servizio, un suggerimento.

Purtroppo, pochi utenti prendono il tempo di leggere il manuale d’uso, e un buono manuale non solo permette di conoscere una serie di funzionalità aggiuntive del dispositivo acquistato, ma anche evitare la maggioranza dei guasti.

Quindi cosa dovrebbe contenere il manuale perfetto?

Innanzitutto, il manuale d’uso Bunn U3 U3A dovrebbe contenere:
- informazioni sui dati tecnici del dispositivo Bunn U3 U3A
- nome del fabbricante e anno di fabbricazione Bunn U3 U3A
- istruzioni per l'uso, la regolazione e la manutenzione delle attrezzature Bunn U3 U3A
- segnaletica di sicurezza e certificati che confermano la conformità con le norme pertinenti

Perché non leggiamo i manuali d’uso?

Generalmente questo è dovuto alla mancanza di tempo e certezza per quanto riguarda la funzionalità specifica delle attrezzature acquistate. Purtroppo, la connessione e l’avvio Bunn U3 U3A non sono sufficienti. Questo manuale contiene una serie di linee guida per funzionalità specifiche, la sicurezza, metodi di manutenzione (anche i mezzi che dovrebbero essere usati), eventuali difetti Bunn U3 U3A e modi per risolvere i problemi più comuni durante l'uso. Infine, il manuale contiene le coordinate del servizio Bunn in assenza dell'efficacia delle soluzioni proposte. Attualmente, i manuali d’uso sotto forma di animazioni interessanti e video didattici che sono migliori che la brochure suscitano un interesse considerevole. Questo tipo di manuale permette all'utente di visualizzare tutto il video didattico senza saltare le specifiche e complicate descrizioni tecniche Bunn U3 U3A, come nel caso della versione cartacea.

Perché leggere il manuale d’uso?

Prima di tutto, contiene la risposta sulla struttura, le possibilità del dispositivo Bunn U3 U3A, l'uso di vari accessori ed una serie di informazioni per sfruttare totalmente tutte le caratteristiche e servizi.

Dopo l'acquisto di successo di attrezzature/dispositivo, prendere un momento per familiarizzare con tutte le parti del manuale d'uso Bunn U3 U3A. Attualmente, sono preparati con cura e tradotti per essere comprensibili non solo per gli utenti, ma per svolgere la loro funzione di base di informazioni e di aiuto.

Sommario del manuale d’uso

  • Pagina 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[...]

  • Pagina 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 [...]

  • Pagina 3

    Page 3[...]

  • Pagina 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[...]

  • Pagina 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[...]

  • Pagina 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[...]

  • Pagina 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 [...]

  • Pagina 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[...]

  • Pagina 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. [...]

  • Pagina 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[...]

  • Pagina 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[...]

  • Pagina 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)[...]

  • Pagina 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[...]

  • Pagina 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[...]

  • Pagina 15

    Page 15[...]

  • Pagina 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[...]

  • Pagina 17

    Page 17 SERVICE (cont.) CONTROL THERMOSTAT[...]

  • Pagina 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 [...]

  • Pagina 19

    Page 19 LIMIT THERMOSTAT SERVICE (cont.)[...]

  • Pagina 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[...]

  • Pagina 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[...]

  • Pagina 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 [...]

  • Pagina 23

    Page 23 SERVICE (cont.) PUMP ASSEMBLY[...]

  • Pagina 24

    Page 24 RELAY (BREWERS W/BREW LOCKOUT)[...]

  • Pagina 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[...]

  • Pagina 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[...]

  • Pagina 27

    Page 27 SERVICE (cont.) SOLENOID[...]

  • Pagina 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 [...]

  • Pagina 29

    Page 29 START SWITCH (BREW)[...]

  • Pagina 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[...]

  • Pagina 31

    Page 31 SERVICE (cont.) THERMAL FUSES (230V-CE MODELS ONLY)[...]

  • Pagina 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[...]

  • Pagina 33

    Page 33 DIGITAL TIMER (Late Models)[...]

  • Pagina 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[...]

  • Pagina 35

    Page 35 BLK from Terminal Block SERVICE (cont.) TRANSFORMER (380V THREE WIRE MODELS ONLY)[...]

  • Pagina 36

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  • Pagina 38

    Page 38[...]

  • Pagina 39

    Page 39[...]

  • Pagina 40

    Page 40 SCHEMA TIC WIRING DIAGRAM U3833 10060 080900[...]

  • Pagina 41

    Page 41 SCHEMA TIC WIRING DIGRAM U3833 10060 080900[...]