Related Manuals for Bunn VPR-VPSSERIES
Summary of Contents for Bunn VPR-VPSSERIES
- Page 1 VPR-VPS SERIES SERVICE & REPAIR MANUAL BUNN-O-MATIC CORPORATION POST OFFICE BOX 3227 SPRINGFIELD, ILLINOIS 62708-3227 PHONE: (217) 529-6601 FAX: (217) 529-6644 41667.0000A 10/08 ©2008 Bunn-O-Matic Corporation...
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Page 2: Warranty
SOLE OPTION AS SPECIFIED HEREIN, TO REPAIR, REPLACEMENT OR REFUND. In no event shall BUNN be liable for any other damage or loss, including, but not limited to, lost profits, lost sales, loss of use of equipment, claims of Buyer’s customers, cost of capital, cost of down time, cost of substitute equipment, facilities or services, or any other special, incidental or consequential damages. -
Page 3: Table Of Contents
INTRODUCTION This equipment will brew a half-gallon batch of coffee into an awaiting dispenser. It can be easily configured for 120V 15 amp, 120/208V 20 amp or 120/240V 20 amp. The brewer may have a hot water faucet for allied beverage use. It is only for indoor use on a sturdy counter or shelf. CONTENTS Warranty ...................... -
Page 4: Troubleshooting
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 person- nel. - Page 5 2. Coffee Grind for proper extraction. A six-hole stainless steel spray- 3. Sprayhead head must be used for proper extraction. The BUNN paper filter must be 4. Funnel Loading ® centered in the funnel and the bed of grounds leveled by gentle shaking.
- Page 6 TROUBLESHOOTING (cont.) PROBLEM PROBABLE CAUSE REMEDY Dry coffee grounds remain in 1. Funnel Loading The BUNN paper filter must be ® the funnel centered in the funnel and the bed of grounds leveled by gently shaking. 2. Sprayhead plugged Clean/verify that sprayhead holes are not plugged.
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Page 7: Component Access
SERVICE The tank inlet fitting secures the fill basin to the tank lid Basin wrench 01060.0000 shown. 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. -
Page 8: Control Thermostat
SERVICE (cont.) voltmeter when the control thermostat is turned "ON" (fully clockwise). Plug-in the brewer to the CONTROL THERMOSTAT power source. The indication must be: a) 120 volts ac for two wire 120 volt models. b) 220 volts ac for two wire 220 volt models. Voltage must not be present across these terminals when the thermostat is turned "OFF"... - Page 9 SERVICE (cont.) Slide the grommet to the line 4.5" above the bulb on the new capillary tube. CONTROL THERMOSTAT (cont.) Insert the capillary bulb through the hole in the tank lid and press the grommet firmly and evenly so that the groove in the grommet fits into the Removal and Replacement: tank lid.
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Page 10: Limit Thermostat - Vpr, Vps
LIMIT THERMOSTAT - VPR, VPS FIG. 10-2 LIMIT THERMOSTAT TERMINALS FIG. 10-1 LIMIT THERMOSTAT Location: The limit thermostat is located inside the hood on the right side of the tank lid. Test Procedures: Disconnect the brewer from the power source. Disconnect the blue/black and black wires from the limit thermostat. -
Page 11: On/Off Switch (Warmers)
a) 120 volts ac for two wire 120 volt models. SERVICE (cont.) b) 220 volts ac for two wire 220 volt models. ON/OFF WARMER SWITCH Disconnect the brewer from the power source. 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. -
Page 12: Tank Heater
SERVICE (cont.) c) Infinite resistance between either terminal to the housing for all models. Any resistance reading TANK HEATER to housing indicates heater is cracked allowing water to short the circuit and must be replaced. If resistance is present as described, reconnect the wires, the tank heater is operating properly. -
Page 13: Thermal Cut-Off - Vpra, Vpsa
SERVICE (cont.) thermal cut-off. THERMAL CUT-OFF - VPRA, VPSA Removal and Replacement: Disconnect the thermal cut-off from the tank heater and the red wire from the power con- nector or the blue/black wire from the control thermostat. Install new thermal cut-off. Refer to Fig. -
Page 14: Warmer Elements
SERVICE (cont.) 5. Remove both wires from the warmer element and check the continuity across the two terminals on the WARMER ELEMENTS warmer element. If continuity is present as described, reconnect the wires on the warmer element. If continuity is not present as described, replace the warmer element. -
Page 15: Wiring Diagrams
WHI/RED LOWER WARMER ON/OFF SWITCH 100W UPPER WARMER 120 VOLTS A C 2 WIRE 10050.0000D 1/97 © 1988 BUNN-O-MATIC CORPORATION SINGLE PHASE 60 HZ SCHEMATIC WIRING DIAGRAM VPR, VPR TC & VPR APS (Models with Lighted switches) GREEN LIMIT SW. & THERMOSTAT... - Page 16 UPPER WARMER ON/OFF BRN/BLK SWITCH 100W BRN/BLK LOWER RIGHT WARMER 120 VOLTS A C 2 WIRE 10049.0000C 1/97 © 1988 BUNN-O-MATIC CORPORATION SINGLE PHASE 60 HZ SCHEMATIC WIRING DIAGRAM VPS (Models with Lighted switches) GREEN LIMIT SW. & THERMOSTAT THERMOSTAT...
- Page 17 100W UPPER WARMER ON/OFF BRN/BLK SWITCH 100W BRN/BLK LOWER RIGHT WARMER 220 VOLTS A C 2 WIRE SINGLE PHASE 10095.0000E 1/97 ©1988 BUNN-O-MATIC CORPORATION SCHEMATIC WIRING DIAGRAM VPRA GRN/YEL THERMAL THERMAL SW. & THERMOSTAT CUT-OFF CUT-OFF 1850W BLU/BLK TANK HEATER "KEEP WARM"...