ページ1に含まれる内容の要旨 
                    
                           
   
AFPO-2
AFPO-2 SL
AFPO-3
AFPO-3 SL 
SERVICE & REPAIR MANUAL
BUNN-O-MATIC CORPORATION
POST OFFICE BOX 3227
SPRINGFIELD, ILLINOIS 62708-3227
PHONE: (217) 529-6601    FAX: (217) 529-6644
      
41093.0000B   06/12   ©2008 Bunn-O-Matic Corporation
1
REFILL
2
2 1
FLAVOR FLAVOR
OUTPUT OUTPUT
WATER MAIN
INPUT POWER
WATER WATER
OUTPUT OUTPUT
1
FLAVOR
INPUT
2
REFILL 1
3 2
3 2 1
FLAVOR FLAVOR FLAVOR
OUTPUT OUTPUT OUTPUT
WATER MAIN
INPUT POWER
WATER WATER WATER FLAVOR
OUTPUT OUTPUT OUTPUT INPUT
1
2
                    
                    ページ2に含まれる内容の要旨 
                    
                        BUNN-O-MATIC COMMERCIAL PRODUCT WARRANTY Bunn-O-Matic Corp. (“BUNN”) warrants equipment manufactured by it as follows: 1) Airpots, thermal carafes, decanters, GPR servers, iced tea/coffee dispensers, MCP/MCA pod brewers thermal servers  and Thermofresh servers (mechanical and digital)- 1 year parts and 1 year labor.  2) All other equipment -  2 years parts and 1 year labor plus added warranties as specified below:  a) Electronic circuit and/or control boards - parts and labor for 3 years.   b) C
                    
                    ページ3に含まれる内容の要旨 
                    
                        CONTENTS User Notices ..............................................................................................................................3  Preventive Maintenance  Cleaning .....................................................................................................................................4  Adjustments ...............................................................................................................................4  Operating Controls ...................
                    
                    ページ4に含まれる内容の要旨 
                    
                        CLEANING RECOMMENDED WEEKLY CLEANING: This should be done in conjunction with the recommended weekly cleaning of your machine. The Hoppers must  be empty before starting. 1. Prepare a 1 gallon cleaning solution consisting of 1 gallon of hot water and a sanitizing cleaner which contains  3-5% chlorine based sanitizer. Mix per manufacturers instructions 2. Remove connectors from each concentrate container and place them directly into the cleaning solution.  3. Energize each refill station and allo
                    
                    ページ5に含まれる内容の要旨 
                    
                            MIX RATIO ADJUSTMENTS(cont.) Mix ratio (water/flavor)  Time for FLAVOR OUTPUT (1/2 cup)  Time for WATER OUTPUT (1 cup)  1+1 assume 20 sec. or obtain time per note below 40 sec. or 2 times flavor output time  2+1 assume 20 sec. or obtain time per note below 20 sec. or equal to flavor output time  3+1 assume 20 sec. or obtain time per note below 13.3 sec. or 0.67 times flavor output time  4+1(see below) assume 20 sec. or obtain time per note below 10 sec. or 0.5 times flavor output time  5+1 a
                    
                    ページ6に含まれる内容の要旨 
                    
                            OPERATING CONTROLS C B A P1949 A. MAIN POWER ON/OFF The main power ON/OFF switch is located on the right of the front panel just above the power cord. B. REFILL CIRCUIT ON/OFF The refill circuit ON/OFF switches are located on the right of the front panel just above the main power switch.  These allow each circuit to operate independently. C. TEST/OPERATE The TEST/OPERATE switch is located inside the auto-fill  box just below the top access cover. For setting flow  rates and mix ratios for fl
                    
                    ページ7に含まれる内容の要旨 
                    
                        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	 per formed	 only	 by	 qualified	 ser vice	 person- nel. •	 All	 electronic	 components	 have	 120	 volt	 ac	 and	 low	 voltage	 dc	 potential	 on	 their	 terminals
                    
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                        TROUBLESHOOTING (cont.) PROBLEM PROBABLE CAUSE REMEDY Product will not dispense (cont.) 6. Main ON/OFF switch Refer to Service - Main ON/OFF  Switch for testing procedure. See  page 13  7. Probe box LOW/OFF/HIGH switch- Refer to Service - Probe system.  es See page 14 8. Circuit board Refer to Service - Circuit Board for  testing procedures. See page 11 9. Vacuum switch Refer to Service - Vacuum switch for  testing procedures. See page 22 10. Vacuum/Supply pump Refer to Service  - Vacuum/Supply 
                    
                    ページ9に含まれる内容の要旨 
                    
                            SERVICE  This section provides procedures for testing  and replacing various major components used in this  dispenser should service become necessary.  Refer  to Troubleshooting for assistance in determining the  cause of any problem. WARNING - Inspection, testing, and repair of electri- cal equipment should be performed only by qualified  service personnel.  The dispenser should be unplugged  when servicing, except when electrical tests are re- quired and the test procedure specifically sta
                    
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                        SERVICE CIRCUIT BOARD  c) 230 volts ac for two wire 230 volt models. 4. Disconnect the dispenser from the power source. If voltage is present as described, replace the circuit  board.  If voltage is not present as described, refer to the  Wiring Diagrams and check main wiring harness. Removal  and Replacement: 1. Remove the four #8-32 keps nuts securing the  switch mounting bracket. Set aside with the wires  attached. 2. Remove the circuit board shield and set aside for  reassembly. 3. Disconnec
                    
                    ページ11に含まれる内容の要旨 
                    
                            SERVICE FUSE AND FUSE HOLDER Removal  and Replacement: Fuse: 1. Remove the cap from the fuse holder. 2. Remove fuse from the fuse holder and inspect. If  blown, discard. 3. Install new 10 amp fuse in the fuse holder. 4. Reinstall fuse holder cap. Fuse Holder: 1.  Disconnect the dispenser from the power source. 2. Disconnect the wires from the rear of the fuse  holder. 3. Remove the nut securing the fuse holder to the  front of the main mounting panel. 4. Push the fuse holder through the hole
                    
                    ページ12に含まれる内容の要旨 
                    
                            SERVICE (cont.) MAIN ON/OFF SWITCH 5. Check for continuity across the switch terminals  with the switch in the “ON” position. Continuity  must not be present when the switch is in the  “OFF” position. If continuity is present as described, reconnect the  wires to the switch terminals. If continuity is not present as described, replace the  switch. Removal and Replacement: 1. Remove the wires from the switch terminals. 2. Compress the clips inside the autofill box and  gently push the switch 
                    
                    ページ13に含まれる内容の要旨 
                    
                        Moving Parts. Risk Of Electrical Shock. Do not operate Disconnect power before un p ia t n we ilt re h th m is oved. servici ng uni t. CHARGE Type   R22,  Amount  _ _ OZ. Design Pressures:  High _ _   Low _ _ Suction  Pressure _ _ SERVICE (cont.) PROBE SYSTEM Probe Boxes: 1. Disconnect the signal cable from the probe  boxes. 2.  Remove probe box from CDS hopper. 3. Place the switch on the probe box in the “HIGH”  position. 4. Check the resistance across the box cable pins,  see Fig. 10. AFPO-2 &
                    
                    ページ14に含まれる内容の要旨 
                    
                            SERVICE (cont.) PUMP (FLAVOR) ON/OFF SWITCHES Removal and Replacement: 1. Disconnect the dispenser from the power  source. 2. Remove the wires from the switch terminals. 3. Compress the clips inside the autofill box and  gently push the switch through the opening. 4. Push the new switch into the opening and spread  the clips to hold switch in the autofill box. 5. Refer to Fig. 13 when reconnecting the wires. #1 AFPO-2 & 3    P1521 FIG.12 PUMP (FLAVOR) START SWITCHES BLK	from	Solenoid	Switch	
                    
                    ページ15に含まれる内容の要旨 
                    
                            SERVICE (cont.) REFILL SWITCHES If continuity is present as described, reconnect the  wires to the switch terminals. If continuity is not present as described, replace the  switch. Removal and Replacement: 1. Remove the wires from the switch terminals. 2. Compress the clips inside the autofill box and gently  push the switch through the opening in the front of  autofill box. 3. Push the new switch into the opening and spread  the clips to hold switch in the autofill box. 4. Refer to Fig. 15 
                    
                    ページ16に含まれる内容の要旨 
                    
                            6. Check the solenoid valve for coil action. Connect the  SERVICE (cont.) dispenser to the power source. Press the solenoid  SOLENOIDS (water) switch and listen carefully in the vicinity of  the solenoid valve for a “clicking” sound  as the  coil magnet attracts. 7. Disconnect the dispenser from the power source. If the sound is heard as described and water will not  pass through the solenoid valve, there may be a block- age in the water inlet before the solenoid valve or, the  solenoid valv
                    
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                            SERVICE (cont.) SOLENOID (WATER) ON/OFF SWITCHES Removal and Replacement: 1. Remove the wires from the switch terminals. 2. Compress the clips inside the autofill box and gently  push the switch through the opening. 3. Push the new switch into the opening and spread  the clips to hold switch in the autofill box. 4. Refer to Fig. 19 when reconnecting the wires.  #1 AFPO-2 & 3    BLK	from	Pump	Switch	#2 P1521 BLK	to	Pump	Switch	#1 FIG.18 SOLENOID (WATER) ON/OFF SWITCHES BLU to Test/Operate Swi
                    
                    ページ18に含まれる内容の要旨 
                    
                            SERVICE (cont.) 5. Disconnect the dispenser from the power source. TEST/OPERATE ON/OFF SWITCH If voltage is present as described, proceed to #6. If voltage is not present as described, refer to the Wiring  Diagrams and check the wiring harness. 6.  Disconnect the  wires from the left and center  terminals. 7. Check for continuity across the left and center  terminals in rows one, two, three and four with the  switch in the “operate” position. Continuity should  not be present across the left
                    
                    ページ19に含まれる内容の要旨 
                    
                            SERVICE (cont.)  a) 120 volts ac for two wire 120 volt models. VACUUM/SUPPLY PUMP ASSEMBLY  b) 200 to 240 volts ac for two wire 200 or 240 volt  models.  c) 230 volts ac for two wire 230 volt models. 4. Disconnect dispenser from the power source. If voltage is present as described, replace the pump. If voltage is not present as described, refer to the Wiring  Diagrams and check main wiring harness. Pump Motor Removal and Replacement: NOTE: Do not disconnect or damage tubing. Tubing is  not r
                    
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                        SERVICE (cont.) VACUUM/SUPPLY PUMP TUBE INSTALLATION ROLLERS 2. Separate the two halves of the pump and carefully  remove the tubing from within. PUMP 3. Hold the new pump head as shown in Fig. 24, with  HEAD rollers in the 2, 6, and 10 o’clock positions. 4. Reinstall tubing in the new pump head by wrap- ping the tubing around the rollers as shown in Fig.  24. 5. Insert the slot of the tubing key (supplied), as  TUBING KEY shown in Fig. 24, on the rotor so the bottom edge  of the key is pressing