Benutzeranleitung / Produktwartung SRU des Produzenten Bunn
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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 10067.
Page 2 INTRODUCTION This brewer will brew a three gallon batch of coffee into the reservoir, which has its own dispensing faucet.The brewer also has a hot water faucet for allied beverage use. It is only for indoor use on a sturdy counter. W ARRANTY Bunn-O-Matic Corp.
Page 3 #00831.0000 #00656.0000 USER NOTICES Carefully read and follow all notices on the brewer and in this manual. They were written for your protection. All notices on the brewer are to be kept in good condition. Replace any unreadable or damaged labels.
Page 4 ELECTRICAL REQUIREMENTS CAUTION - The brewer must be disconnected from the power source until specified in Initial Set-Up. SRU Model requires 3- wire, grounded service rated 120/208 or 120/240 volts ac, 30 amp, single phase, 60 Hz.
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.
Page 6 ADJUSTING BREW VOLUMES CAUTION - Disconnect the power source fr om 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 ser ver are in place.
Page 7 10067 080200 CLEANING NOTE: Tank and tank components should be delimed regularly based on local water conditions. Excessive mineral build up on stainless steel surfaces can initiate corrosion reactions resulting in serious leaks, 1. Remove funnel, funnel lid and support.
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.
Page 9 TROUBLESHOOTING (cont.) PROBLEM Brew cycle will not start (cont) Tank not filling PROBABLE CAUSE 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.
Page 10 TROUBLESHOOTING (cont.) PROBLEM Water running out of the overflow Water is not hot PROBABLE CAUSE 1. Brewer not level 2. Solenoid Valve 3. Liquid Level Board 4. Probe 1. Limit Thermostat CAUTION - Do not eliminate or bypass limit thermostat. Use only Bunn-O-Matic replacement part #29329.
Page 11 PROBABLE CAUSE 1. Circuit Breaker 2. ON/OFF Switch 3. Brew Circuit 4. Refill Circuit 1. Timer 2. Start Switch 1. Timer 2. Solenoid Valve 3. Lime build-up in swing spout and pump tubing. 1. Filters 2. Hole in bottom of funnel obstructed. TROUBLESHOOTING (cont.
Page 12 TROUBLESHOOTING (cont.) PROBLEM Funnel overflows (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 before a brew cycle was started.
Page 13.
Page 14 SERVICE (cont.) CIRCUIT BREAKER (120/208V and 120/240V Three Wire Models) Location: The circuit breaker is located on the rear of the urn, behind the rear utility cover.
Page 15 SERVICE (cont.) Location: The contactor is located inside the front lower access panel, left of center on the component bracket. Test Procedures: 1.
Page 16.
Page 17 SERVICE (cont.) CONTROL THERMOSTAT FIG. 6 CONTROL THERMOSTAT P2113.40 Location: The control thermostat is mounted on the left front of the top component bracket. Test Procedures: 1. Disconnect the brewer from the power source. 2. Locate the thermostat and the voltage check points.
Page 18 SERVICE (cont.) FUSE AND FUSE HOLDER (208V, 240V and 230V Two Wire Models) Location: The fuse and fuse holder are located on the rear of the urn behind the rear utility cover. Test Procedures: 1. Disconnect the brewer from the power source. 2.
Page 19 LIMIT THERMOSTAT SERVICE (cont.) FIG. 11 LIMIT THERMOSTAT TERMINALS FIG. 10 LIMIT THERMOSTAT P1732 Location: The limit thermostat is located on the center rear of the component bracket behind the tank heater. Test Procedures: 1. Disconnect the brewer from the power source.
Page 20 SERVICE (cont.) LIQUID LEVEL BOARD AND LEVEL PROBE 5. Reconnect the blue wire to T1 on the liquid level board. 6. Carefully connect a piece of insulated jumper wire to T4. Keep the other end of this wire away from any metal surface of the brewer.
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- RED on CE Models) T3 WHI to Main Harness (120/208.
Page 22 10067 040100 ON/OFF SWITCH FIG.14 ON/OFF SWITCH P2053.25 Location: The ON/OFF switch is located on the left side of the lower front panel. Test Procedures: 1.
Page 23 SERVICE (cont.) PUMP ASSEMBLY FIG.16 PUMP ASSEMBLY P2113.40 Location: The pump is located on the right of the component bracket. Test Procedures: 1. Disconnect the brewer from the power source. 2. Disconnect the black wire from the black lead on the pump and the white wire from the black lead on the pump.
Page 24 SERVICE (cont.) SELECTOR SWITCH (HALF BATCH OPTION) FIG. 18 SELECTOR SWITCH (HALF BATCH) P2053.25 Location: The selector switch is located in the center of the front access panel at the base of the urn on all models except the 230V CE Models.
Page 25 SERVICE (cont.) SOLENOID FIG. 20 SOLENOID P2113.40 Location: The solenoid is mounted on the upper left rear of the component bracket. Test Procedures: 1.
Page 26 SERVICE (cont.) SOLENOID BLU from Liquid Level Board #1 WHI from Main Har- ness (120/208V and 120/240V Models) RED from Main Har- ness (208V and 240V Models) BLK from Main Harness BLU from Liquid Level Board #1 230V - CE MODELS FIG. 21 SOLENOID TERMINALS P1741.
Page 27 START SWITCH (BREW) FIG. 22 START SWITCH (BREW) P2053.25 Location: The brew start switch is located on the lower right side of the front access panel at the base of the urn on all models except 230 volt CE. On 230 volt CE models, the start switch is located on the lower right of the front access panel, beneath the selector switch.
Page 28 BLK to Contactor T1 (All Models Except 230V-CE Models) BLK (Thermal Fuse) to T1 (230V-CE Models) RED to Contactor T2 (120/ 208V, 120/240 Three Wire Single Phase, 208V and 240V Two Wire, Single Phase) RED (Thermal Fuse) to T2 (230V-CE Models) SERVICE (cont.
Page 29 SERVICE (cont.) THERMAL FUSES (230V-CE MODELS ONLY) FIG. 26 THERMAL FUSES P2121.40 Location: The thermal fuses are mounted on the tank heater terminals. Test Procedures: 1. Disconnect the brewer from the power source. 2. Disconnect the thermal fuse from the tank heater terminal and the contactor lead.
Page 30 TIMER (Early Models) FIG. 27 TIMER P2114.40 Location: The timer is located behind the front access panel on the right side of the component bracket.
Page 31 SERVICE (cont.) TIMER (Early Models)(cont.) To Three Pin Female Connector on Main Harness BLK to Pump Lead WHI to Pump Lead Three Pin Connector from Half/Full Batch Switch FIG. 28 TIMER TERMINALS P1751 10067 080200 Removal and Replacement: 1. Separate all connectors between the brewer wir- ing harness and the timer.
Page 32 SERVICE (cont.) DIGITAL BREW TIMER (Late Models).
Page 33 SERVICE (cont.) DIGITAL BREW TIMER (Late Models) 1. Modifying brew volumes. T o modify a brew vol- ume, first check that the SET/LOCK switch is in the “ SET ” position on the cir cuit board.
Page 34 10067 080200.
Page 35 10067 080200.
Page 36 10067 080200 G 8 /BLK WHI/GRN WHI/BLU T1 T5 T3 T4 T2.
Ein wichtiger Punkt beim Kauf des Geräts Bunn SRU (oder sogar vor seinem Kauf) ist das durchlesen seiner Bedienungsanleitung. Dies sollten wir wegen ein paar einfacher Gründe machen:
Wenn Sie Bunn SRU noch nicht gekauft haben, ist jetzt ein guter Moment, um sich mit den grundliegenden Daten des Produkts bekannt zu machen. Schauen Sie zuerst die ersten Seiten der Anleitung durch, die Sie oben finden. Dort finden Sie die wichtigsten technischen Daten für Bunn SRU - auf diese Weise prüfen Sie, ob das Gerät Ihren Wünschen entspricht. Wenn Sie tiefer in die Benutzeranleitung von Bunn SRU reinschauen, lernen Sie alle zugänglichen Produktfunktionen kennen, sowie erhalten Informationen über die Nutzung. Die Informationen, die Sie über Bunn SRU erhalten, werden Ihnen bestimmt bei der Kaufentscheidung helfen.
Wenn Sie aber schon Bunn SRU besitzen, und noch keine Gelegenheit dazu hatten, die Bedienungsanleitung zu lesen, sollten Sie es aufgrund der oben beschriebenen Gründe machen. Sie erfahren dann, ob Sie die zugänglichen Funktionen richtig genutzt haben, aber auch, ob Sie keine Fehler begangen haben, die den Nutzungszeitraum von Bunn SRU verkürzen könnten.
Jedoch ist die eine der wichtigsten Rollen, die eine Bedienungsanleitung für den Nutzer spielt, die Hilfe bei der Lösung von Problemen mit Bunn SRU. Sie finden dort fast immer Troubleshooting, also die am häufigsten auftauchenden Störungen und Mängel bei Bunn SRU gemeinsam mit Hinweisen bezüglich der Arten ihrer Lösung. Sogar wenn es Ihnen nicht gelingen sollte das Problem alleine zu bewältigen, die Anleitung zeigt Ihnen die weitere Vorgehensweise – den Kontakt zur Kundenberatung oder dem naheliegenden Service.
