VP17 VP17B OPERATING & SERVICE MANUAL BUNN-O-MATIC CORPORATION POST OFFICE BOX 3227 SPRINGFIELD, ILLINOIS 62708-3227 PHONE: (217) 529-6601 FAX: (217) 529-6644 To obtain the Illustrated Parts Catalog, visit the Bunn-O-Matic website, at www.bunn.com. This is absolutely FREE, and the quickest way to obtain the catalog. Contact Bunn-O-Matic Corporation at 1-800-286-6070 to obtain a paper copy of the required Illustrated Parts Catalog mailed via U.S. Postal Service. 10860.
INTRODUCTION This equipment will brew a half-gallon batch of coffee into an awaiting dispenser. It is only for indoor use on a sturdy counter or shelf. WARRANTY Bunn-O-Matic Corp. (“Bunn”) warrants the equipment manufactured by it to be commercially free from defects in material and workmanship existing at the time of manufacture and appearing within one year from the date of installation. In addition: 1.
USER NOTICES (cont.) ! 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. FAILURE TO COMPLY RISKS EQUIPMENT DAMAGE, FIRE, OR SHOCK HAZARD READ THE ENTIRE OPERATING MANUAL BEFORE BUYING OR USING THIS PRODUCT THIS APPLIANCE IS HEATED WHENEVER CONNECTED TO A POWER SOURCE # 00658.0000 00831.
ELECTRICAL REQUIREMENTS CAUTION - The brewer must be disconnected from the power source until specified in Initial Set-Up. The brewer has an attached cordset and requires 2-wire grounded service rated 120 volts ac, 15 amp, single phase, 60 Hz. WHITE NEUTRAL 100V.A.C. L1 BLACK "B" models require 2-wire, grounded service rated 100 volts ac, 20 amp, single phase, 50 Hz.
COFFEE BREWING 1. 2. 3. 4. 5. 6. Insert a BUNN® filter into the funnel. Pour the fresh coffee into the filter and level the bed of grounds by gently shaking. Slide the funnel into the funnel rails. Place an empty dispenser beneath the funnel. Pour one pitcher of tap water into the screened area on top of the brewer. When brewing is completed, simply discard the grounds and filter. CLEANING 1.
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 qualified service personnel. All electronic components have 120 volt ac and low voltage dc potential on their terminals.
TROUBLESHOOTING (cont.) PROBLEM PROBABLE CAUSE REMEDY Water is not hot (cont.) 4. Tank Heater Refer to Service - Tank Heater for testing procedures. See page 13 Inconsistent beverage level in dispenser 1. Syphon System The brewer must be level or slightly lower in front to syphon properly. 2. Lime Build-up CAUTION - Tank and tank components should be delimed regularly depending on local water conditions.
TROUBLESHOOTING (cont.) PROBLEM PROBABLE CAUSE REMEDY Beverage overflows dispenser 1. Dispenser The dispenser must be completely empty before starting a brew cycle. Weak beverage 1. Filter Type BUNN® paper filters must be used for proper extraction. 2. Coffee Grind A fine or drip grind must be used for proper extraction. 3. Sprayhead A six-hole stainless steel sprayhead must be used for proper extraction. 4.
SERVICE Contents 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 electrical equipment should be performed only by qualified service personnel.
SERVICE (cont.) 7. Disconnect the brewer from the power source. CONTROL THERMOSTAT If voltage is present as described, reinstall the capillary tube into the tank to the line 4.5" above the bulb, the control thermostat is operating properly. If voltage is not present as described, replace the thermostat. P1161.40 FIG. 2 CONTROL THERMOSTAT Location: The control thermostat is located inside the trunk on the left side of the component bracket. Test Procedures: 1. Disconnect the brewer from the power source.
SERVICE (cont.) Removal and Replacement: 1. Remove all wires from limit thermostat terminals. 2. Carefully slide the limit thermostat out from under the retaining clip and remove limit thermostat. 3. Carefully slide the new limit thermostat into the retaining clip. 4. Refer to Fig. 5 when reconnecting the wires. LIMIT THERMOSTAT FIG. 4 LIMIT THERMOSTAT P1161.40 Location: The limit thermostat is located inside the rear of the hood on the tank lid.
SERVICE (cont.) ON/OFF WARMER SWITCH If voltage is not present as described, refer to the Wiring Diagrams and check the brewer wiring harness. 5. With the black wire removed, remove the wire from the lower terminal. 6. Check for continuity across the center and lower terminal with the switch in the "ON" (upper) position. Continuity must not be present when the switch is in the "OFF" (lower) position.
SERVICE (cont.) TANK HEATER P1161.40 FIG. 8 TANK HEATER Location: The tank heater is located inside the tank and secured to the tank lid. Test Procedures: 1. Disconnect the brewer from the power supply. 2. With a voltmeter, check the voltage across the black and white wires on the tank heater. Connect the brewer to the power source. The indication must be: a) 100 volts ac for two wire 100 volt models. b) 120 volts ac for two wire 120 volt models. 3. Disconnect the brewer from the power source. 2.
SERVICE (cont.) If voltage is present as described, proceed to #5. If voltage is not present as described, refer to the Wiring Diagrams and check the brewer wiring harness. TANK HEATER SWITCH (VP17B and early model VP17) 5. Check for continuity between the black wire removed from the limit thermostat and the black insert on the terminal block, with the tank heater switch in the "ON" (upper) position. Continuity should not be present in the "OFF" (lower) position.
SERVICE (cont.) TANK HEATER SWITCH (cont.) 13. Set tank assembly inside the hood on mounting brackets and secure with two #8-32 screws. 14. Reconnect the wires to the limit thermostat, tank heater and the control thermostat. Refer to Limit Thermostat, Tank Heater and Control Thermostat sections in this manual when reconnecting wires. 15. Secure the sprayhead tube to the hood using hex nut. 16. Install sprayhead. 17. Install fill basin, inlet gasket and secure to tank lid with tank inlet fitting. 18.
SERVICE (cont.) WARMER ELEMENT(S) If continuity is not present as described, replace the warmer element. Removal and Replacement: 1. Remove the three #4-40 screws securing the warmer assembly to the brewer. 2. Lift the warmer assembly from the brewer. 3. Disconnect the two wires from the warmer element terminals. 4. Remove the two #8-32 nuts securing the warmer element to the warmer plate. 5. Securely install new warmer element. 6. Reconnect the two wires to warmer element terminals. 7.
SCHEMATIC WIRING DIAGRAM VP17-1/-2/-3 GRN L1 LIMIT THERMOSTAT BLK N SW.
SCHEMATIC WIRING DIAGRAM VP17-1/-2/-3 L1 READY INDICATOR BLU HEATER SWITCH BLK BLK LIMIT THERMOSTAT BLK SW.
SCHEMATIC WIRING DIAGRAM VP17B-1/-2/-3 L1 READY INDICATOR BLU HEATER SWITCH BLK BLK LIMIT THERMOSTAT BLK BLK SW.
