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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. It is only for indoor use on a sturdy counter. BUNN-O-MATIC COMMERCIAL PRODUCT WARRANTY Bunn-O-Matic Corp. (“BUNN”) warrants equipment manufactured by it as follows: 1) All equipment other than as specifi ed below: 2 years parts and 1 year labor. 2) Electronic circuit and/or con
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ELECTRICAL REQUIREMENTS WARNING - The brewer must be disconnected from the power source until specifi ed in Initial Set-Up. Refer to Data Plate on the Brewer, and local/national electrical codes to determine circuit requirements. RED BLU L2 L3 BLK 120V. A.C. L1 230V. A.C. WHI RED N 208 or 240V. A.C. 200 or 230V. A.C. L2 230V. A.C. RED L2 120V. A.C. 230V. A.C. BLK BLK L1 L1 GREEN GREEN GREEN GREEN GREEN GREEN P1842 P1843 P1843 120/208 & 120/240V ac 230V ac 200 or 230V ac single phase models 3 pha
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This equipment is to be installed to comply with the Basic Plumbing Code of the Building Officials and Code Administrators International, Inc. (BOCA) and the Food Service Sanitation Manual of the Food and Drug Administration (FDA). ! WARNING Fill water tank before turning -on thermostat or connecting appliance to power source. Use only on a properly protected circuit capable of the rated load. Electrically ground the chassis. Follow national/local electrical codes. Do not use near combustibles.
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INITIAL SET-UP CAUTION - The brewer must be disconnected from the power source throughout the initial set-up, except when specifi ed in the instructions. 1. Insert an empty funnel into the funnel rails. 2. Place an empty dispenser under the funnel. 3. Place the heater switch at the rear of the brewer in the "OFF" lower position. 4. Connect the brewer to the power source, place the "ON/OFF" switch in the "ON" upper position, and momentarily press and release the start switch. Water will begin fl
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ADJUSTING BREW VOLUMES (Cont.) 2. Setting batch sizes. To set a batch volume, fi rst check that the SET/LOCK switch is in the "SET" position on the circuit board. Press and hold the START or BREW switch until three distinct clicks are heard, and then release the switch. (Failure to release the switch within two seconds after the third click causes the volume setting to be aborted and previous volume setting will remain in memory). View the level of the liquid being dispensed. When the desired
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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. Inspection, testing, and repair of electrical equipment should be performed only by qualifi ed service person- nel. All electronic components have 120 volt ac and low voltage dc potential on their terminals. Shorting of terminals or the
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TROUBLESHOOTING (cont.) PROBABLE CAUSE REMEDY PROBLEM Brew cycle will not start (cont.) 3. ON/OFF Switch Refer to Service - ON/OFF Switch for testing. See page 16 Refer to Service - Start Switch for 4. Start Switch testing procedures. See page 20 Refer to Service - Timer for testing 5. Timer procedures. See page 24 or 25 Refer to Service - Solenoid Valve 6. Solenoid Valve for testing procedures. See page 19 (A) Direction of fl ow arrow must 7. W ater strainer/flow control be pointing towar
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TROUBLESHOOTING (cont.) PROBLEM PROBABLE CAUSE REMEDY Inconsistent beverage level in 1. Strainer/flow control (.222 (A) Direction of fl ow arrow must be dispenser GPM) pointing towards the brewer. (B) Remove the strainer/flow control and check for obstruction. Clear or replace. 2. Syphon System The brewer must be level or slightly lower in front to syphon properly. 3. Lime Build-up CAUTION - Tank and tank compo- Inspect the tank assembly for nents should be delimed regularly excessive lime
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TROUBLESHOOTING (cont.) PROBLEM PROBABLE CAUSE REMEDY Spitting or excessive steaming 2. Control Thermostat Refer to Service - Control Ther- (cont.) mostat for testing procedures. See page 15 Dripping from sprayhead 1. Syphon System The brewer must be level or slightly lower in front to syphon properly. 2. Lime Build-up CAUTION - Tank and tank compo- Inspect the tank assembly for nents should be delimed regularly excessive lime deposits. Delime depending on local water condi- as required. ti
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TROUBLESHOOTING (cont.) PROBLEM PROBABLE CAUSE REMEDY ® Weak beverage 1. Filter Type BUNN paper fi lters must be used for proper extraction. 2. Coffee Grind A fi ne or drip grind must be used for proper extraction. 3. Sprayhead A clean spray-head must be used for proper extraction. ® The BUNN paper fi lter must be 4. Funnel Loading centered in the funnel and the bed of ground leveled by gentle shaking. Place an empty funnel on an empty 5. Water Temperature dispenser beneath the sprayhead.
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TROUBLESHOOTING (cont.) PROBLEM PROBABLE CAUSE REMEDY Brewer is making unusal noises 4. Tank Heater Remove and clean lime off the tank (cont.) heater. See page 21 Low beverage serving tempera- 1. Warmer Refer to Service - Warmer ele- ture ment for testing procedures. See page 27 10737 120800 Page 13
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SERVICE (cont.) 7. On models with faucet reinstall faucet and connect ON/OFF SWITCHES (cont.) brewer to the water supply. Test Procedure: 8. Refer to Fig. 7 when reconnecting the wires. 1. Disconnect the brewer from the power source. 2. Viewing the switch from the back remove the white or red wire from the upper terminal and the black wire from the center terminal. WHI to Terminal Block (White 3. With a voltmeter, check the voltage across the white Insert on 120V or 120/240V wire or red
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