FACTORY AUTHORIZED SERVICE COFFEE BREWERS MODELS F-35, F-20, F-15 MODELS ABOVE SERIAL NUMBER* F·35 F·20 F·15 f(J:\666L ~ ~ ~:~~ LISTED r'pproved 57581 30872 30179 bYe'"'' ~ F-S F-WG (Stainless) (Woodgrain) OPERATING & SERVICE MANUAL CONTENTS Electrician's Insrtallation Instructions Plumber's Installation Instructions 2 2 Initial Operation Instructions Coffee Brewing Directions CleaningTips 3 3 3 Trouble Shooting Guide Component Replacement Instructions Schematic Wiring Diagrams Replacement
E l E CT R I C IAN'S INS TAL lA T ION INS T RU CT ION S MODEL f·35 MODELS f·15 & f·20 1 ELECTRICAL REQUIREMENTS: • MODELS F35 120/240 volts A.C., 60 hertz, 3 wire, single phase. 20 amp. wiring required. • MODEL F20 120 volts A.C., 60 hertz, 2 wire, single phase. 20 amp. wiring required. • MODEL F15 120 volts A.C., 60 hertz, single phase, with two wire grounded cord. 15 amp. WARNING: CHASSIS MUST BE PROPEBL Y GROUNDED TO PREVENT THAT HAVE A GROUNDING LEAD PROVIDED, IF AN ADAPTIVE VIDED.
INITIAL / \-t 2. 3. 5. 4. OPERATION INSTRUCTIONS IMPORTANT: • Brewer must be level or slightly lower f'n front to siphon properly. • Electrician's and Plumber's instructions are provided on page 2. These instructions should be carefully followed before proceeding with initial operation instructions. 1. • Be sure all electrical and plumbing connections are tight. NOTE: Be sure thermostat is in OFF position. Turn power to brewer ON. Place brewing funnel in proper position for brewing.
. aining FACTORY AUTHORIZED SERVICE TROUBLE SHOOTING MODELS GUIDE F·35, F·20, F·15 is WHAT TO CHECK POSSIBLE REMEDY 1. 7. and relay, relay andat3. nections between harness Be sure Power. water shut 2. terminal to "Electrician's block. Refer Timer. No Water. 1. Solenoid Loose On-Off connection these valve. switch condoes 4. 6. 5. not make and Should hear clicks this would indicate a7.depressed, but and water shut off valve. warmer switch. should heat.
off. s FACTORY AUTHORIZED SERVICE '0551 NO HOT WATER Control Tank Excessive and tank Lime. lid Solenoid valve valve Brewer must be Turn Water knob should counterflow STEAMING (A) Knob Not Siphoning Setting. Be sure spring isisinfrom If lime build up Insert deliming thermostat. and air tube all the back and forth five are seat. cleaned If vaIve from seat valve (C) decrease, tank lid replace assembly. control springholes.
- be atindicator least 2of minutes POSSIBLE CAUSE Start Flow Clean Switch. valve. flow valve of Timer. Paddle arm on timer. Valve. Flow REMEDY TO CHECK Timer dial 3. 1. start switch does 11. . IfWHAT 1 .times Solenoid Clean solenoid valve of timer should be 4. valve, 2. at least 20 PSI. Adjust timer for atimer Not siphoning replace timer. If paddle arm on Water pressure should be3. consistency. Switch continuity. Refer to "Dripping" section, Step slips or doesn't move, Low water pressure.
, r 6 & 7. properly. POSSIBLE CAUSE Vibration. If brewer is on a Brewer connected be Bunn Filter and coffee WHAT REMEDY CHECK 2. Water This hammer. not the fault switch does not and break when to hot water. 1. Fi Iters. 2. Filters Bad Be sure harness should should all coffee connections be 4. 3. 4. 1. 2. 3. in solenoid valve. Warmer-defective. 5. switch. Warmer On-Off Switch. 5. Not siphoning Filters should 2. 1. Adiust Check ifconnections control Bunn Filters thermoin centered 1 . funnel. in funnel 3.
COMPONENT' REPLACEMENT INSTRUCTIONS CAUTION: DISCONNECT COFFEE BREWER FROM POWER SOURCE PRIOR TO REMOVING ANY COM. PONENTS. Access to electrical components is gained by removing front access panel. CONTROL THERMOSTAT 1. To gain access, remove top lid via 4 screws and remove front panel. 2. Remove mounting screws and disconnect wires, remove old thermostat bulb by pulling firmly upward on the capillary. TANK 3. On the new thermostat, slide the red capillary grommet to the red mark on the LID capillary. 4.
I • ~~\P~3 which "-hold solenoid II l ,--. . \\ II It'valve Disconnect terfleads I are chassis tofrom SOLENOID VALVE Remove 2 screws (D) Shut (B&C) off water supply (A) To gain access solenoid valve. SOLENOID ~ solenoid II 1.bracket. 2. from to brewer. ~, 3. remove front panel. 1. 2. NOTE: When installing 3. new flow valve into solenoid, be sure FLOW VALVE To gain access remove top cover via screw(s) on top. Loosen flare nuts (B and C) and free short piece of water line from flow valve (D).
SCHEMATIC WIRING L1 DIAGRAM GREEN SW. & THERMOSTAT LIMIT F151320W F20 1800W BLK TH~~::;.: ...:~ WHI ~ F15 & 20 f--'VVV' BLK TANK HEATER N =!. 50W 'KEEP WARM' HEATER BAN 100W P3 P2 --{}-'VV'. TOP REAR WARMER BLU P1 100W -u-~ WHI TOP FRONT WARMER r ....~···~ BLK BLU LOWER WARMER 1..L1 .u- --« · 2 WIRE P1 BLU lit 120 VOLTS A C 130W ~ ·.. P3 <, BLU BLK P1, P2, & P3 ARE PINS OF A POLARIZED THREE·PIN .. CONNECTOR.
REPLACEMENt PARTS 01637.0000 00658.0000 00831.0000 Cordset, 5',16/3, HSJO, NEMA 5-15P (model 15) Decal, Decanter & Funnel Safety Decal, Electrical 01188.0000 20528.1175 00445.0000 20526.0175 01155.0000 04002.0000 Deliming Spring Flow Regulator (.175) Flow Regulator Adapter Flow Regulator Diaphragm (.175) Flow Regulator Gasket Foot 02028.0000 02028.0002 20247.0000 Funnel Assy, Complete W/Black Handle Funnel Assy, Complete W/Orange Handle Funnel Basket 20244.0000 Funnel Handle, Black 20244.0001 01031.
BUNN-O-MATIC COMMERCIAL PRODUCT WARRANTY _ Bunn-O-Matic Corp. (UBunn") warrants the equipment manufactured by it to be commercially free from defects in material and workmanship existing atthe time of manufacture and appearing within one year from the date of installation.