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FACTORY AUTHORIZED SERVICE
COFFEE BREWERS
MODELS F-35, F-20, F-15
MODELS ABOVE SERIAL NUMBER*
F·35 57581
F·20 30872
F·15 30179
f(J:\666L ~ ~ ~:~~ ~
LISTED r'pproved bYe'"''
F-S
F-WG
(Stainless)
(Woodgrain)
OPERATING & SERVICE MANUAL
CONTENTS
Electrician's Insrtallation Instructions 2
Trouble Shooting Guide 4
Plumber's Installation Instructions 2
Component Replacement Instructions 8
Initial Operation Instructions 3
Schematic Wiring Diagrams 10
Coffee Brewing Directions 3
Replacement Parts 11
Clea
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El ECT RI C IAN'S INS TAL lA T ION INS T RUCT ION S MODEL f·35 MODELS f·15 & f·20 ELECTRICAL REQUIREMENTS: 1 • 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 POSSIBLE SHOCK HAZARD. ON CORD CONNECTED MODELS THAT HAVE A GROUNDING LE
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INITIAL 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. 3. 2. \-t NOTE: Be sure thermostat is in OFF position. Turn power to brewer ON. 4. 5. Place brewing funnel in proper position for brewing. Place a deca
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FACTORY AUTHORIZED SERVICE TROUBLE SHOOTING GUIDE MODELS F·35, F·20, F·15 is depressed, but WHAT TO CHECK and relay, relay and1. 7. POSSIBLE nections REMEDY CAUSE between harness and water shut off valve. Timer. No Be Should Start If With Solenoid No Loose Be IfBe start On-Off sure sure Water. Power. sure On-Off switch. connection switch hear water these contact valve. switch two switch con- shut does clicks does6. 3. 6. 3. 4. 8. 4. 2. 5. 2. 1. 5. 1. terminal switch. warmer to solenoid at when n
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FACTORY AUTHORIZED SERVICE '0551 BLE CAUSE WHAT TO CHECK REMEDY 1. Tank heater NO HOT 1. Voltage at tank heater 1. If correct voltage is WATER terminals with control present at the tank heater terminals and thermostat knob in the fully clockwise position. water in tank is not being Voltage should be: heated, replace tank heater. Model F35 240 volts A.C. If voltage is not present Models F20 and F15 at tank heater termina Is, 120 volts A.C. refer to step 2. If incorrect voltage is present on tank
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, be at least 2 minutes POSSIBLE CAUSE Timer. Timer. Timer Timer. Clean Flow Start Solenoid Solenoid Paddle If Clean Flow start valve. Switch. valve. flow dial solenoid arm switch Valve. valve indicator valve ondoes timer. ofof 3. 2. 3. 2. 2. 2. 1 1. 3. 1 2. 1. .. WHAT 1. 1. 1. REMEDY TO CHECK Check to see if Adjust If Clean Water Not Flow paddle siphoning valve flow pressure timer arm valve, assembly. for onshould atimer of be2. 4. 4. 1. 1. at timer replace least should timer. 20 PSI. be Be and
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r , properly. Brewer Brewer Vibration. Bunn If Filter brewer and Filters should connected iscoffee on should be a 2. 1. POSSIBLE CAUSE Warmer-defective. Adiust Check Check Water This Warmer Not Check Fi Fi Bunn If Filter Filter Be Bad Filters Iters. Iters. switch sure siphoning harness isFilters should and hammer. if if connections should not control all On-Off Bunn Bunn does coffee the connections should be not be Filters Filters fault thermo- Switch. make 4. 2. 3. 4. 3. 3. 4. 5. 1. 1. 5. 3. 4.
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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 capi
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which hold solenoid • I I l ,--. \\ II It' "- remove front panel. Disconnect chassis solenoid to from ter- f Iare . II SOLENOID VALVE I Shut To Disconnect Remove (B&C) off gain water 2 screws leads access supply (A) (D) valve ,~ I solenoid valve. SOLENOID 3. ~ bracket. VALVE II 1. ~, 2. LD J , minals. nuts ~ from to brewer. WATER \-. INCOMING 4. 5. ~~\ P~3 FLOW VALVE 1. To gain access remove top cover via screw(s) on top. 2. Loosen flare nuts (B and C) and free short piece of water line from flo
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SCHEMATIC WIRING DIAGRAM F15 & 20 L1 GREEN SW. & N LIMIT THERMOSTAT =!- F151320W F20 1800W BLK f--'VVV' . TH~~::;.: ...:~ BLK TANK HEATER 50W WHI ~ 'KEEP WARM' HEATER 100W BAN P3 P2 --{}-'VV'. TOP REAR WARMER BLU P1 100W WHI -u-~ TOP FRONT WARMER 130W BLK r ....~···~ BLU ~ LOWER WARMER P1 1..L1 BLU lit .u- <, BLU 120 VOLTS A C · ·..P3 BLK --« 2 WIRE P1, P2, & P3 ARE PINS OF SINGLE PHASE A POLARIZED THREE·PIN 60 HZ WHI ~~ WHI .. CONNECTOR. SCHEMATIC WIRING DIAGRAM F35 GREEN L1 SW. & N L2 ~ LIMIT
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REPLACEMENt PARTS 01637.0000 Cordset, 5',16/3, HSJO, NEMA 5-15P (model 15) 01111.0000 Solenoid Valve Repair Kit 00658.0000 Decal, Decanter & Funnel Safety 01075.0000 Sprayhead Fitting Nut 00831.0000 Decal, Electrical 05515.0000 Sprayhead Tube Gasket 01188.0000 Deliming Spring 05551.0000 Sprayhead Tube Kit 20528.1175 Flow Regulator (.175) 01082.0000 Sprayhead, 6-Hole 00445.0000 Flow Regulator Adapter 02795.0000 Sprayhead, Plastic 20526.0175 Flow Regulator Diaphragm (.175) 00736.0000 Sprayhead, Po
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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. This warranty does not apply to any equipment, component or part that was not manufactured by Bunn or that, in Bunn's judgement, has been affected by misuse, neglect, alteration, improper installation or operation, imprope
