Manuale d’uso / di manutenzione del prodotto H10X del fabbricante Bunn
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OPERA TING & SERVICE MANUAL BUNN-O-MA TIC CORPORA TION POST OFFICE BOX 3227 SPRINGFIELD, ILLINOIS 62708-3227 PHONE: (217) 529-6601 F AX: (217) 529-6644 www .
2 10889 020608 BUNN-O-MA TIC COMMERCIAL PRODUCT W ARRANTY Bunn-O-Matic Corp. (“BUNN”) warrants equipment manufactured by it as follows: 1) All equipment other than as specified below: 2 years parts and 1 year labor . 2) Electronic circuit and/or control boards: parts and labor for 3 years.
3 USER NOTICES Carefully read and follow all notices on the equipment and in this manual. They were written for your protec- tion. All notices are to be kept in good condition. Replace any unreadable or damaged labels. 12537.0000 10889 021408 12593.0000 00831.
4 ELECTRICAL REQUIREMENTS CAUTION - The dispenser must be disconnected from the power source until specified in Initial Set-Up. This dispenser requires 2-wire, grounded service rated 208 or 240 volts ac, 40 amp, single phase. (Refer to the dispenser’ s dataplate for exact voltage requirement.
5 INITIAL SET -UP CAUTION - The dispenser must be disconnected from the power source throughout the initial set-up, except when specified in the instructions. 1. Connect the dispenser to the power source and turn on the water supply . 2. The “HEA TER” LED will glow for approximately five seconds.
6 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.
7 TROUBLESHOOTING (cont.) PROBLEM Automa tic refil l will not ope rate afte r drawing hot water . Water flows into the tank continu- ou sl y . (D ispe nser disc onne ct ed fr om power source). Water flows into the tank con - tinuously (Dispenser connected to power source).
8 TROUBLESHOOTING (cont.) PROBLEM Water is cold (cont.) Water boils continuously . PROBABLE CAUSE 3. T ank heater 4. T emperature control 5. Dry plug protection 1. T emperature control 2. Lime build-up REMEDY Refer to Ser vice - T ank heater for testing procedures.
9 SERVICE This section provides procedures for testing and replacing various major components used in this dispenser should ser vice become necessary .
10 SERVICE (cont.) Electronic Control Assembly T roubleshooting: Check these items first • Is circuit board popped out of bracket? • Is cir cuit board wet due to misaligned overow tube? • Is.
11 SERVICE (cont.) Electronic Controls (cont.) Liquid Level Control T est Procedure 1. Disconnect the dispenser from the power source. 2. Check the voltage across terminals 3 & 4 of the electronic control assembly with a voltmeter . Connect the dispenser to the power source.
12 SERVICE (cont.) Electronic Controls (cont.) T emperature Control Flow Charts (cont.) T emperature Control T est Procedure 1. Disconnect the dispenser from the power source. 2. Check the voltage across terminals 3 & 4 of the electronic control circuit board with a voltmeter .
13 SERVICE (cont.) Electronic Controls (cont.) 11. Disconnect the dispenser from the power source. If vol tag e was pres en t as des cri bed, retu rn the new tri ac assembly to Bunn-O-Matic for credit. The temperature control of the system is operating properly .
14 T riac Assembly Removal and Replacement NOTE - Each triac installation requires the use of an approved silicone heat sink compound. Bunn-O-Matic recommends the use of Dow Corning 340 compound or equivalent. It can be purchased direct from Bunn- O-Matic (P .
15 SERVICE (cont.) Limit Thermostat P1993 FIG. 5 LIMIT THERMOST A T T est Procedure: 1. Disconnect the dispenser from the power source. 2. There are two black wires on the limit thermostat terminals. One comes from the terminal block. The other goes directly to the tank heater terminal.
16 Location: Th e ove rfl ow pr ote ctio n swi tc h is loc at ed with in the sid e of the dispenser inside the copper overflow cup. For testing or removal of the over flow protection switch, access may also be needed by removing the two screws attaching the electronic control assembly to its mounting bracket.
17 Solenoid Valve Location: The solenoid valve is located within the side of the dispenser on the right side near the bottom. T o test the solenoid valve, access will also be needed to the electronic control assembly . HAZARDOU S VO LT AGE DI S CONNECT FRO M POWER S OU RC E BE FO R E RE MO VI NG ! WAR NI NG P1994 FIG.
18 WHI/BLU to Electronic Contol #1 RED to T erminal Block RED to Electronic Control #5 P1779 FIG. 10 SOLENOID V AL VE WIRING 5. Lift out the solenoid valve. 6. Rem ove the two 10- 32 slo tt ed -he ad scr ew s hold ing the solenoid valve to its mounting bracket.
19 SERVICE (cont.) T ank Heater Location: The tank heater is located in the tank lid. P1993 FIG. 11 T ANK HEA TER T est Procedure: 1. Disconnect the dispenser from the power source. 2. Check the voltage across the terminals of the tank heater with a voltmeter .
20 GRN/YEL BLK RED BLU WHI/VIO BLK TRIAC TA NK HEA TER BLK RED BLU 200-240 VOL TS AC 2 WIRE + GND SINGLE PHASE 10888.0000C 01/07 © 1989 BUNN-O-MA TIC CORPORA TION SOL SCHEMA TIC WIRING DIAGRAM H10XA .
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Bunn H10X è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Bunn H10X - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Bunn H10X imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Bunn H10X ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Bunn H10X, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Bunn H10X.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Bunn H10X. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Bunn H10X insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
