Manuale d’uso / di manutenzione del prodotto TWIN APS del fabbricante Bunn
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CDBC TWIN, TWIN APS CA U T IO N :.
Page 2 INTRODUCTION This equipment will brew one or two half-gallon batches of coffee simultaneously into awaiting dispensers with just the press of a button. One side may include a hot water faucet for allied beverage use. Most functions of the brewer are digitally controlled.
Page 3 USER NOTICES Carefully read and follow all notices in this manual and on the equipment. All labels on the equipment should be kept in good condition. Replace any unreadable or damaged labels. # 00986.0000 # 03408.0002 # 03409.0002 # 00656.0000 # 00658.
Page 4 ELECTRICAL REQUIREMENTS CAUTION - The brewer must be disconnected from the power source until specified in Initial Set-Up. Electrical Hook-Up CAUTION – Improper electrical installation will damage electronic components. 1. An electrician must provide electrical service as specified.
Page 5 OPERA TING CONTROLS Model CDBC TWIN ON/OFF SWITCH Pressing the "ON/OFF" switch (indicator glowing) supplies power to the brew station warmer, enables the brew circuit, and energizes the tank refill circuit. Pressing the switch again (indicator not glowing) stops tank refilling, brewing and deenergizes the brew station warmer.
Page 6 INITIAL SET -UP 1. Insert an empty funnel into the funnel rails of one of the brew stations. 2. Place an empty decanter/server under the funnel. 3. Connect the brewer to the power source. 4. Press the "ON/OFF" switch (indicator glowing).
Page 7 ADJUSTMENTS & OPTIONAL SETTINGS HIDDEN SWITCH.
Page 8 ADJUSTING BREW VOLUMES The brewer is factory set to deliver 64 ounces ± 2 for each brew cycle. BREW VOLUME SET-UP: Use the following steps when the setting is unknown or a different circuit board is being installed. 1. Place an empty funnel in the funnel rails and an empty decanter/server or graduated vessel beneath the funnel.
Page 9 PULSE BREW SETUP PROCEDURE The pulse brew parameters (initial fill time, off times, and remaining on times) are entered using the following set- by-example process. 1. First set the brew volume using the standard procedure in Brew Volume Setup.
Page 10 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 Technical Service Department.
Page 11 Will not fill or refill Fill or refill does not shut "OFF" (ON/OFF Switch "ON") PROBABLE CAUSE REMEDY PROBLEM 1. Power off to brewer 2. Water shut off 3. Display flashing 4. ON/OFF Switch 5. Lime build up on Probe 6. Refill Valve or Control Board 7.
Page 12 Fill or refill does not shut "OFF" (ON/OFF Switch "OFF") 2. Water Level Probe Sensing Sys- tem 3. Refill valve or control board 4. Water is too conductive for proper operation when using the factory setting of sensing threshold.
Page 13 TROUBLESHOOTING (cont.) PROBABLE CAUSE REMEDY HEATING CIRCUIT PROBLEM 1. Display flashing 2. Water not touching tempera- ture probe 3. Dry Plug In Probe Sensing Sys- tem Brewer has shut down due to malfunction (See Diagnostic Chart in manual, Page 20, or under top lid).
Page 14 TROUBLESHOOTING (cont.) Water does not heat to proper temperature (cont.) IMPORTANT: Make sure no tem- perature tests are taken before the ready light is "ON". Tank tempera- ture must be stabilized before read- ings are taken. Spitting or excessive steaming 4.
Page 15 TROUBLESHOOTING (cont.) Spitting or excessive steaming (cont.) Brewer is making unusual noises 2. Temperature Probe 3. Control Board 1. Plumbing lines 2. Water supply 3. Lime build up Remove the probe from the grom- met and submerge in a water bath of approximately 70 ° F(21 ° C).
Page 16 TROUBLESHOOTING (cont.) PROBABLE CAUSE REMEDY BREWING CIRCUIT PROBLEM Brew cycle will not start 1. Display flashing 2. No water 3. No power or incorrect voltage to the brewer 4. ON/OFF switch not in the "ON" position 5. Low water temperature (Brew lockout is enabled) 6.
Page 17 Brew cycle will not start (cont.) Consistently low beverage level in the dispenser or beverage over- flows dispenser TROUBLESHOOTING (cont.) PROBABLE CAUSE REMEDY If the switch panel is operating properly, proceed as follows. At- tach a voltmeter to the terminals of the dispense solenoid.
Page 18 TROUBLESHOOTING (cont.) Dripping from sprayhead Weak beverage 1. Lime build up 2. Dispense valve 1. Sprayhead 2. Water temperature 3. Filter type 4. Coffee grind 5. Funnel loading Inspect the tank assembly for ex- cessive lime deposits. Delime as required.
Page 19 TROUBLESHOOTING (cont.) Dry coffee grounds remain in the funnel Low beverage serving tempera- ture 1. Sprayhead 2. Funnel loading 1. Warmer Make sure sprayhead is present and holes are clear and unob- structed. There should be sepa- rate streams of water coming out of each hole in the sprayhead.
Page 20 DIAGNOSTICS Intermittent flashing of the bank of temperature indicators indicates that a fault exists. Count the number of flashes between pauses and use this chart as a guide to investigating the fault.
Page 21.
Page 22 CAUTION :.
Page 23 CAUTION : CAUTION : CAUTION : CAUTION DISCARD DECANTER IF: . CRA CKED . SCRATCHED . BOILED DRY . HE ATED WHEN EMP TY . USED ON HIGH FLAM E . OR EXPOSED ELECTRIC E LE MENTS FAILURE TO COMPLY RI.
Page 24 CAUTION : CAUTION DISCARD DECANTER IF: . CRAC KED . S CRATCHED . BOILED DRY . HEATED WHEN E MPTY . USED ON HIG H FLAME . OR EXPOS ED ELE CTRIC ELEMENTS FAILURE TO COMPLY RISKS INJURY PN: 658 1985 BU N N-O-M ATIC CO RPORATION FUNNEL CONTENTS ARE HO T ! SERVICE (cont.
Page 25.
Page 26 Location: The tank heaters are located inside the tanks and secured to the tank bottoms. Test Procedures: 1. Disconnect the brewer from the power supply. 2. With a voltmeter, check the voltage across the red wire from the terminal block and the black wire from the control board.
Page 27 P1856 SERVICE (cont.) TANK HEATERS (Cont.) 17. Install tank assembly onto mounting brackets and secure in place with four #8-32 nuts. 18. Install tank lid and secure in place with eight #8-32 nuts. 19. Connect the two white wires of the tank warmer blanket.
Page 28 CAUTION : CAUTION : C.
Page 29 C A U T IO N : C A U T IO N : C A U T IO N :.
Page 30 36672 030104 SCHEMATIC WIRING DIAGRAM CDBC TWIN 0/6 (LEFT) 29323.0000C 02/04 ©1999 BUNN-O-MATIC CORPORATION TANK HEATER GRN GRN RED-14 (MODEL 35) BLK BLK-14 SCHEMATIC WIRING DIAGRAM CDBC TWIN.
Page 31 36672 030104 SCHEMATIC WIRING DIAGRAM CDBC TWIN 2/2 (LEFT) 29323.0002B 02/04 ©2000 BUNN-O-MATIC CORPORATION TANK HEATER GRN GRN RED-14 (MODEL 35) BLK BLK-14 SCHEMATIC WIRING DIAGRAM CDBC TWIN.
Page 32 SCHEMATIC WIRING DIAGRAM CDBC TWIN APS (LEFT) 32161.0000B 8/99 ©1999 BUNN-O-MATIC CORPORATION TANK HEATER GRN GRN RED-14 (MODEL 35) BLK BLK-14 SCHEMATIC WIRING DIAGRAM CDBC TWIN APS (RIGHT) W.
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 TWIN APS 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 TWIN APS - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Bunn TWIN APS imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Bunn TWIN APS ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Bunn TWIN APS, 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 TWIN APS.
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 TWIN APS. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Bunn TWIN APS 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.
