Bunn iMIX-5S+A Manuel de réparation

SERVICE & REPAIR MANUALBUNN-O-MATIC CORPORATIONPOST OFFICE BOX 3227SPRINGFIELD, ILLINOIS 62708-3227PHONE: (217) 529-6601 FAX: (217) 529-6644

1042032 060109NOTES

11SERVICEThis section provides procedures for testing and replacing various major components used in this dispenser should service become necessary. R

12SERVICE(CONT.)ACCESS PANELSLocation: All access panels are similar through the whole IMIX family (IMIX-5 shown). Before removing panels, make sure

13Location:The BEEPER is located on the back side of the component bracket assembly.Test Procedures:1. Enter Programming to verify the “Audible Alarm

14SERVICE (CONT.)AUGER DRIVE COMPONENTSFIG. 4 AUGER DRIVE COMPONENTSP1341Location: The auger components are located inside the bottom part of the hop

15P2210.301. Hopper Lid2. Agitator Disk Assy3. Auger Drive Shaft Bushing4. Mixing Blade5. Auger Drive Shaft 6. Auger Shaft Coupling7. Locknut

16SERVICE (CONT.)AUGER MOTOR PROXIMITY RPM SENSOR (IMIX-3, 4 & 5 only)FIG. 7 AUGER MOTOR PROXIMITY SENSORMAGNET PROXIMITY SENSOR NUT &

17SERVICE (cont.)BALLASTFIG. 9 BALLAST Location: The front door lamp ballasts are located behind the front access panel and may be on either side of

18SERVICE (cont.)CONTROL BOARD (IMIX-3, 4 & 5 only)FIG. 11 CONTROL BOARDP3250.25Location: The Control Board is located behind the lower front acc

19SERVICE (cont.)CONTROL BOARD (cont.)FIG. 12 CONTROL BOARD CONNECTORSP1640Removal and Replacement:1. Loosen the two #8-32 screws securing the com-po

242032 021513BUNN-O-MATIC COMMERCIAL PRODUCT WARRANTYBunn-O-Matic Corp. (“BUNN”) warrants equipment manufactured by it as follows:1) Airpots, thermal

20SERVICE (cont.)CONTROL BOARD (IMIX-3S+ & 5S+ only)FIG. 13 CONTROL BOARDP3250.25Location: The Control Board is located behind the lower front ac

21SERVICE (cont.)42032 060109FIG. 14 CONTROL BOARD CONNECTORSRemoval and Replacement:1. Disconnect the three plugs on the main wiring har-ness from t

22FIG. 16 TOUCHPAD CONNECTORSP1680SERVICE (cont.)PROGRAMMING TOUCHPADFIG. 15 PROGRAMMING TOUCHPADP1680Location: The Touchpad is located on the front

23SERVICE (cont.)PROGRAMMING - CALIBRATION & DIAGNOSTICS42032 060109DISABLE MESSAGES ? NO EXIT YESTANK TEMP XXX°READY TEMP XXX° (-) EXIT (

24SERVICE (cont.)MEMORY CLOCK BOARD (Early Models) (IMIX-3, 4 & 5 only)FIG. 17 MEMORY CLOCK BOARDP3250.25Location: The Memory Clock Control Board

25TEMPERATURE PROBEFIG. 19 TEMPERATURE PROBEP1665SERVICE (cont.)FIG. 20 TEMPERATURE PROBE TEMP RESISTANCE VOLTAGE READY 190°F 891Ω 1.5VDC 87

26P1449FIG. 22 DISPENSE SWITCH TERMINALSStation #1Station #2Station #3BLKORNBLKREDBLKTANDISPENSE SWITCHES (IMIX-3S+ & 5S+ only)P3645SERVICE (cont.

27DISPENSE SWITCHESSERVICE (cont.)P3243FIG.23 DISPENSE SWITCHESLocation: The dispense buttons are located on the lower outside of the dispenser door

28SERVICE (cont.)EMI FILTER (230 Volt IMIX-3, 4 & 5 only)FIG. 25 EMI FILTERP3250.25Location: The EMI Filter is located on the rear of the dispens

29VACUUM FANFIG. 27 FANP1436Location: The fan is located inside the dispenser housing on the right rear of the dispenser base plate.Test Procedures:1

3USER NOTICESAll notices on this equipment are written for your protection. All notices are to be kept in good condition. Replace any unreadable or da

30SERVICE (cont.)FROTHER AND WHIPPER MOTORFIG. 29 FROTHER AND WHIPPER MOTORP1641.40Location: The frothers are located behind the dispenser door, moun

31SERVICE (cont.)FROTHER AND WHIPPER MOTOR (cont.)6. Pull the frother (6) off the motor shaft. Notice the flat side on the shaft and the matching flat

32SERVICE (cont.)LAMP AND LAMP HOLDERFIG. 32 LAMPS & HOLDERSLocation: The lamps and lamp holders are located on the front of the upper panel behi

33SERVICE (cont.)LED LIGHTED DOORSFIG. 35 LED LIGHTS42032 072513FIG. 34 LED LIGHTSIf voltage is present as described, the LED board is faulty.If volta

34FIG. 37 LIMIT THERMOSTAT TERMINALSP1800LIMIT THERMOSTATFIG. 36 LIMIT THERMOSTATP1637Location: The limit thermostat is located in the center of the

35ON/OFF/NIGHT SWITCHSERVICE (cont.)FIG. 39 ON/OFF/NIGHTSWITCH TERMINALSP1800FIG. 38 ON/OFF/NIGHT SWITCHP1637Location: The ON/OFF/NIGHT Switch is loc

36NORMAL/PROGRAM/RINSE SWITCHSERVICE (cont.)FIG. 41 NORMAL/PROGRAM/RINSESWITCH TERMINALSP1800FIG. 40 NORMAL/PROGRAM/RINSE SWITCHP1637Location: The NO

37SERVICE (cont.)OVERFLOW PROTECTION SWITCHP1637FIG. 43 OVERFLOW PROTECTIONSWITCH LEADSP1212FIG. 42 OVERFLOW PROTECTION SWITCHLocation: The overflow p

38SERVICE (cont.)SOLENOID VALVE (INLET)FIG. 44 INLET SOLENOID VALVEP1445.40Location: The inlet solenoid is located inside on the rear of the dispense

39FIG. 47 DISPENSE SOLENOID VALVE TERMINALSP1645SERVICE (cont.)SOLENOID VALVES (DISPENSE)FIG. 46 DISPENSE SOLENOID VALVESP1637.40Location: The dispen

4CLEANINGThe use of a damp cloth rinsed in any mild, non-abrasive, liquid detergent is recommended for cleaning all sur-faces on Bunn-O-Matic equipmen

40SERVICE (cont.)TANK HEATERFIG. 48 TANK HEATERP1637.40Location: The tank heater is located inside the tank and se-cured to the tank lid.Test Procedu

41SERVICE (cont.)If voltage is present as described the transformer is operating properly.If voltage is not present as described, replace the transfor

42SERVICE (cont.)TRIACFIG. 52 TRIACFIG. 53 TRIAC TERMINALSLocation: The triac is mounted on the right side of the tank mounting bracket for models I

43PinApplication IMIX Type ValuesJ1-1 N/AN/A N/AN/AJ1-2 Heater Output 120 VACTriac signalJ1-3 Safety in Input Float switch IMIX and ICEDJ1-4 Neutral/L

44PinApplication IMIX Type ValuesJ1-1 N/AN/A N/AN/AJ1-2 Heater Output 120 VACTriac signalJ1-3 Safety in Input Float switch IMIX and ICEDJ1-4 Neutral/L

45PinApplication IMIX Type ValuesJ1-1 N/AN/A N/AN/AJ1-2 Heater Output 120 VACTriac signalJ1-3 Safety in Input Float switch IMIX and ICEDJ1-4 Neutral/L

4637478.0000D 01/05 ©2004 BUNN-O-MATIC CORPORATION 120 VOLTS AC - 2 WIRE 120/208-240 VOLTS AC - 3 WIRE SINGLE PHASE, 60HZ SCHEMATIC WIRING DIAG

4737478.0010A 03/13 ©2013 BUNN-O-MATIC CORPORATION120 VOLTS AC - 2 WIRE 120/208-240 VOLTS AC - 3 WIRE SINGLE PHASE, 60HZ SCHEMATIC WIRING DIAGR

4842032 07251337478.0001C 09/07 ©2004 BUNN-O-MATIC CORPORATION230 VOLTS AC &240 VOLTS AC - 2 WIRESINGLE PHASE, 50HZSCHEMATIC WIRING DIAGRAM

4937262.0001B 01/05 ©2004 BUNN-O-MATIC CORPORATION120 VOLTS AC - 2 WIRE120/208-240 VOLTS AC - 3 WIRESINGLE PHASE, 60HZSCHEMATIC WIRING DIAGRAMi

5REQUIRED REGULAR MAINTENANCE:When performing Daily-Weekly Cleaning procedures, inspect o-rings, seals, and bushings for signs of wear or damage and r

50J3-1J2-1J1-1J1-3REDBLKREDBLKREDBLKREDBLKBLKRED37262.0011A 01/13 ©2013 BUNN-O-MATIC CORPORATION120 VOLTS AC - 2 WIRE120/208-240 VOLTS AC - 3 WI

5142032 060109

52PinApplication IMIX Type ValuesJ1-1 Program connectorJ1-2 Program connectorJ1-3 Program connectorJ1-4 Program connectorJ1-5 Program connectorJ1-6 Pr

5338986.0000D 04/09 ©2006 BUNN-O-MATIC CORPORATION120 VOLTS AC - 2 WIRE SINGLE PHASE, 60HZ SCHEMATIC WIRING DIAGRAMIMIX-3S+ / IMIX-5S+GRN BLK-1

5438986.0013A 03/13 ©2013 BUNN-O-MATIC CORPORATIONSCHEMATIC WIRING DIAGRAMIMIX-3S+ / IMIX-5S+GRN BLK-16BLK-16N.O.COMBLK-16LIMITTHERMOSTAT J4-5

5538986.0001D 04/09 ©2006 BUNN-O-MATIC CORPORATION230 VOLTS AC - 2 WIRESINGLE PHASE, 50HZSCHEMATIC WIRING DIAGRAMIMIX-3S+A / IMIX-5S+AGRNBLK-16

5642032 06010938986.0002B 04/09 ©2009 BUNN-O-MATIC CORPORATION120 VOLTS AC - 2 WIRESINGLE PHASE, 60HZSCHEMATIC WIRING DIAGRAMIMIX5S+ - HOT &am

5742032 07251338986.0012A 01/13 ©2013 BUNN-O-MATIC CORPORATION120 VOLTS AC - 2 WIRESINGLE PHASE, 60HZSCHEMATIC WIRING DIAGRAMIMIX5S+ - HOT &am

6TROUBLESHOOTINGA troubleshooting guide is provided to suggest probable causes and remedies for the most likely problems encoun-tered. If the problem

7TROUBLESHOOTING (cont.) PROBLEM PROBABLE CAUSE REMEDYWater is not hotSpitting or excessive steamingDripping from dispense tipWater flows into tank

8TROUBLESHOOTING (cont.) PROBLEM PROBABLE CAUSE REMEDYPlace an empty container beneath the dispense tip. Initiate a dispense cycle and check water

9TROUBLESHOOTING (cont.) PROBLEM PROBABLE CAUSE REMEDY(A) Test inlet solenoid valve, see “TEST REFIL ?” under “DIAGNOSTIC ?” menu(B) Check that uni