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REQUIRED REGULAR MAINTENANCE:

Semi Annual:

Bunn Kit #34245.0002 is required for ULTRA-1 and

#34245.0000 & #34245.0001 is required for ULTRA-2,

to perform the semi annual Preventive maintenance:

Note: Service caused by failure to perform required

maintenance is not covered by warranty.

The following instructions apply to one hopper only;

repeat each step for all hoppers.

FIG 1

Auger Motor Cover

Auger Motor Assy

Auger Shaft Assy

Cooling Drum

Hopper/Drum Seal

Auger Shaft Bushing

Cooling Drum

Seal

P2528

Run Capacitor

INSTRUCTIONS

WARNING - Disconnect the dispenser from the power source before the removal of any panel or the replacement

of any component.

1. Drain, remove and clean hopper; refer to the

Recommended Daily Cleaning instructions

for proper cleaning

procedures. Discard the hopper/drum seal and faucet seal.

2. Remove the #8 locking screws securing auger motor cover to the cooling drum mount assembly; remove

cover and set aside for reassembly.

3. Remove the #8 locking screw on the lower right side (viewed from front) of the auger motor mounting bracket

securing the auger motor run capacitor. Set capacitor aside with wires attached.

4. Disconnect the auger motor terminal from the terminal on the main wiring harness.

5. Remove the remaining #8 locking screws securing the cooling drum mounting bracket. Remove motor with

mounting bracket.

NOTE: When removing or installing motor and shaft assembies, be sure the motor and shaft pins are turned to

a position that will clear the torque sensor circuit board.

41084 052112

Kit Contents

Inventory this kit for completeness before proceeding.

34245.0003 PM Kit, ULTRA-2 PAF w/ LEDs

34245.0001 PM Kit, ULTRA-2

*** 34245.0002 PM Kit, ULTRA-1

Part Number Qty.

Description

* ** ***

26781.0000 2 3 1 Auger Shaft Bushing (Blue)

37593.0000 2 3 1 Cooling Drum Seal

32079.0000 2 3 1 Hopper/Drum Seal

32268.1000 2 3 1 Seal Kit, Faucet (Clear)

29563.0000 - - - Lubricant

(“Krytox”)

28395.0000 1 1 1 Seal Insertion Tool

Содержание BUNN-O-MATIC ULTRA-1

Страница 1: ...ULTRA 1 ULTRA 2 SERVICE REPAIR MANUAL BUNN O MATIC CORPORATION POST OFFICE BOX 3227 SPRINGFIELD ILLINOIS 62708 3227 PHONE 217 529 6601 FAX 217 529 6644 41084 0000F 08 16 2009 Bunn O Matic Corporation ...

Страница 2: ...ements by such individuals whether oral or written do not constitute warranties and should not be relied upon If BUNN determines in its sole discretion that the equipment does not conform to the warranty BUNN at its exclusive op tion while the equipment is under warranty shall either 1 provide at no charge replacement parts and or labor during the applicable parts and labor warranty periods specif...

Страница 3: ...odels 43 Control Board 44 Cooling Drum Alignment 45 Fan 46 47 Hot Gas Sensor 48 Lamp Cord Assembly 49 Lamp Cord Connector 50 Lamp Holder Socket Assembly 51 LED Lamps 52 Lamp Relay 53 Membrane Switch 54 55 Solenoids 56 Temperature Sensor Assembly 57 Torque Sensor Circuit Board 58 Transformer 59 Auto Fill Systems 60 62 Coolant Schematics 64 65 Electrical Schematics 66 SITE PREPARATION The dispenser ...

Страница 4: ...A reminder message will appear every 6 months Worn dirty shaft seals bushings will have a direct effect on torque sensing and prevent complete freezing in ICE mode UPPER case vs lower case Before beginning the process of troubleshooting verify simple operating modes ie CHILL mode will not freeze the product but ICE mode will You should also observe the letter case size in either mode UPPER case me...

Страница 5: ...h The auger torque is displayed continuously Press and release the ULTRA and ICE hidden switches to return to HOME SCREEN The TEMP TORQUE mode is typically used for service NOTICE While in the TEMP TORQUE screen the UPPER lower case will be replaced by symbols The indicates the solenoid valve is open and the indicates that solenoid is closed DISPLAY TEMP TORQUE 30 25 161 161 h 27 28 b 30 25 41084 ...

Страница 6: ...sed to turn the auger motor to AUGER ON AUGER OFF or AUGER REFILL ON Refill only ap plicable when installed See NOTE 3 lower right corner This is used to turn the ice control to OFF ICE or CHILL 1 2 3 P3932 NOTE Refill system includes a Maximum Fill Time in the software If the time to fill the hopper exceeds this limit the hopper lights will flash and a Refill Fault will be displayed on the screen...

Страница 7: ...cept during programming 2 bottom left corner This is used to turn the left side auger motor to AUGER ON AUGER OFF or AUGER REFILL ON Refill only applicable when installed See NOTE 3 bottom left corner This is used to turn the left side ice control to OFF ICE or CHILL 4 bottom right corner This is used to turn the right side auger motor AUGER ON AUGER OFF or AUGER REFILL ON Refill only applicable w...

Страница 8: ...ling the dispenser NOTE Although most parts are dishwasher safe they may be affected by the chemicals in some commercial sanitizing agents Do not place the hopper nor hopper lids in a dishwasher Rinse thoroughly before assembly 2 Depress the hopper lock plung er Lift the hopper up slightly 5 Remove the cooling drum seal from the rear of the drum 4 Pull the auger from the cooling drum 9 Care must b...

Страница 9: ...ng drum s 6 Set the lids on the hopper s and plug in the hopper lid lamp cord s 10 Assemble the drip tray 8 Slide the faucet valve assembly into place on the hopper 9 Press down on the valve to compress the spring Position the faucet handle over the fau cet valve one side at a time and snap into place on the hopper 7 Position the faucet seal and re turn spring in the faucet valve 5 Slide into plac...

Страница 10: ...tall adaptor on the quick disconnect so the line is open to the sanitizing solution Place concentrate inlet line into the bucket so that the Q C D will stay at the bottom 7 Press the auger button to turn on the Auger Refill On feature 8 Allow system to run until the hopper is about 1 4 full then turn off refill 9 Switch three way sanitize valve to the Sanitize postion 10 Turn refill system back on...

Страница 11: ...d by warranty Please check the following items before assuming a refrigeration fault When the product does not freeze there are several possibilities other than a failure in the refrigeration system The torque between the auger motor and the frozen product is contolled by the torque sensor board measur ing the distance between the pins on the coupler and shaft When the distance between the pins re...

Страница 12: ...motor cover to the cooling drum mount assembly remove cover and set aside for reassembly 3 Remove the 8 locking screw on the lower right side viewed from front of the auger motor mounting bracket securing the auger motor run capacitor Set capacitor aside with wires attached 4 Disconnect the auger motor terminal from the terminal on the main wiring harness 5 Remove the remaining 8 locking screws se...

Страница 13: ... shaft assembly onto the motor shaft See FIG 3 Do not use too much Krytox lubricant Dirt or grease on pins will cause optical misreading by torque sensors NOTE This is the only place Krytox lubricant is used 13 Assemble motor shaft assembly as shown in FIG 3 then install assembly into cooling drum Make sure the pins do not hit the sensor board and cooling drum seal is not dislodged as the shaft pa...

Страница 14: ...electronic circuit boards is unlikely Board failure will normally be permanent If an intermittent condition is encountered the cause will likely be a switch contact or a loose connection at a terminal or crimp Keep away from combustibles WARNING Exercise extreme caution when servicing electrical equipment Unplug the dispenser when servicing except when electrical tests are specified Follow recomme...

Страница 15: ...enser in ICE mode Set into ICE mode Verify augers are turned on Is display showing UPPER CASE ICE mode Is Brix level high Is Filter dirty Is Thickness screen set low Have a certified refrigeration technician check for low refrigerant or blockage Inspect auger drive shafts for weak torsion springs or damaged pins Check for dirty or worn seals and bushings 41084 102709 ...

Страница 16: ...ow refrigerant or blockage No Set into ICE or CHILL mode 3 Clean 1 3 1 Done 2 Adjust 1 No No No Yes Yes Yes Yes Is compressor running Is Dispenser on an extension cord Is filter dirty Plug directly inti outlet Call a licensed electrician Is there correct voltage at outlet Check fan Follow compressor circuit checks 41084 102709 ...

Страница 17: ...rings Check for dirty or worn seals and bushings Brix ratio too high Too much alcohol in product Ambient temperature too hot Adjust product Recommended for indoor use only No hood lamps Is dispenser in DAY mode No Yes No Yes Set into DAY mode Is circuit breaker tripped Check lamp circuit Verify all 4 bulbs are 912 series reset breaker 41084 102709 ...

Страница 18: ...nt Check auger shaft bushings Using auger assembly from CDS 2 or 3 Replace with ULTRA p n 32106 1000 Auger won t turn Auger motor capacitor checks Check membrane switch Yes No Do they turn during AUGER MOTOR TEST mode One direction but not the other Replace control board 41084 102709 ...

Страница 19: ...r break in wiring Yes No TORQUE SENSOR ERROR TORQUE SENSOR SHORTED TORQUE SENSOR OPEN Are augers turning Left side Right side Left side Right side Go to motor troubleshooting Are augers shaft pins damaged or missing Check sensor circuit Replace as necessary 41084 102709 ...

Страница 20: ...ATURE SENSOR OPEN Left side Right side Check wiring harness between thermistor and control board Left side Right side Product not covering back end of drum Drum temperature falls below 9 F Replenish product Thermistor unplugged or break in wiring Check thermistor circuit 41084 102709 ...

Страница 21: ...EEDS CLEANING FILTER NEEDS CLEANING Hot gas thermistor sensing over 220 F Hot gas thermistor sensing over 250 F Dirty filter air flow blockage wrong refrigerant or over charged Hold ULTRA button for 3 seconds to reset Early units have to reset to factory defaults in order to reset Freezing is Disabled 41084 102709 ...

Страница 22: ...e dispenser should be disconnected from the power source when servicing except when electrical tests are required and the test procedure specifically states to connect the dispenser to the power source COMPONENT ACCESS PANELS WARNING Disconnect the dispenser from the power source before the removal of any panel or the replacement of any component All components are accessible by removal of the aug...

Страница 23: ...TANCE J1 3 to WHITE J1 2 58 ohms RED J1 1 58 ohms BLACK Removal and Replacement 1 Remove the two 8 locking screws securing the auger motor cover to the cooling drum mount assembly 2 Remove the cover and set aside for reassembly 3 Remove the 8 locking screw on the lower right side of the auger motor mounting bracket securing the auger motor run capacitor Set capacitor aside with wires at tached 4 D...

Страница 24: ...screwdriver ULTRA 2 shown Removal and Replacement 1 Remove the two 8 locking screws securing the auger motor cover to the cooling drum mount assy 2 Remove the cover and set aside for reassembly 3 Disconnect the wires from the auger motor capacitor terminals 4 Remove the 8 locking screw on the lower right side of the auger motor mounting bracket securing the auger motor capacitor 5 Install a new ca...

Страница 25: ...g as an assembly NOTE When removing or installing motor and shaft assemblies be sure the split pins are turned to a posi tion that will clear the torque sensor circuit board 7 Pull the auger shaft assembly straight out of cool ing drum Inspect the shaft for abnormal wear or scoring 8 From the front of dispenser remove the seal and blue bushing from cooling drum and discard them 9 Clean seal and bu...

Страница 26: ...ke sure the pins do not hit the sensor board and cool ing drum seal is not dislodged as the shaft passes through 15 Secure motor and capacitor to the cooling drum mounting bracket Install rear motor cover 16 Refer to Hopper Installation for hopper assembly and installation procedures Be sure to use new hopper drum seal and faucet seals 17 Remove and clean condenser air filter Fig 10 18 Refer to th...

Страница 27: ... the reset button and repeat step 3 if continuity is not present as described replace the circuit breaker Removal and Replacement 1 Remove the right side panel on ULTRA 2 models or remove the Auger Motor cover on ULTRA 1 models 2 Remove the wires from the circuit breaker 3 Compress the clips on the back side of the com ponent bracket and gently push the circuit breaker through the opening in the b...

Страница 28: ...e relay from the compressor 8 Check for continuity across the upper left terminal and the right pin socket on the rear of the relay If continuity is present as described the compressor start relay is operating properly If continuity is not present as described replace relay Compressor 1 Withthecompressorstartrelay 1 removed disconnect the black wire from the compressor 2 Checkforcontinuityacrossth...

Страница 29: ...efer to Fig 16 and reconnect the wires 6 Reinstall terminal cover 4 and cover retainer 5 Compressor Run Capacitor 230V Dispensers Only Refer to FIG 15 1 Remove terminal cover retainer 5 and terminal cover 4 2 Disconnect the run capacitor leads 3 Remove the 6 crimptite screw securing the run capaci tor to the rear of the component bracket 4 Remove run capacitor and discard 5 Placenewruncapacitoront...

Страница 30: ...de of the dispenser lift the compressor assembly over the four studs in the chassis and remove compressor 6 Install new compressor over the four studs in the dis penser chassis with the fill valve to the left side of the dispenser 7 Secure compressor to the dispenser chassis using four 25 20 keps nuts and washers 8 Reconnecttubesfromthecondenserandtheaccumula tor to the compressor 9 Reinstall tran...

Страница 31: ...ove relay from the compressor 8 Check for continuity across the upper left terminal and the right pin socket on the rear of the relay If continuity is present as described the compressor start relay is operating properly If continuity is not present as described replace relay Compressor 1 Withthecompressorstartrelay 1 removed disconnect the black wire from the compressor 2 Checkforcontinuityacross...

Страница 32: ...to the compressor pins 5 Refer to Fig 21 and reconnect the wires 6 Reinstall terminal cover 4 and cover retainer 5 Compressor Run Capacitor Refer to FIG 20 1 Disconnect the run capacitor leads 2 Removethenutsecuringtheruncapacitortothecapaci tor mounting bracket 3 Remove run capacitor and discard 4 Place new run capacitor on capacitor mounting bracket and secure nut 5 Refer to Fig 23 and reconnect...

Страница 33: ...e of the dispenser lift the compressor assembly over the four studs in the chassis and remove compressor 6 Install new compressor over the four studs in the dis penser chassis with the fill valve to the left side of the dispenser 7 Secure compressor to the dispenser chassis using four 25 20 keps nuts and washers 8 Reconnecttubesfromthecondenserandtheaccumula tor to the compressor 9 Reinstall trans...

Страница 34: ...he ULTRA 2 HP dispenser is known as CSR motor Capacitive Start Run The CSR version uses a start and run capacitor with an external thermal protector The start capacitor is in series with the compressor motor start winding A potential starting relay coil is wired across the start winding which can sense change in voltage The start ing winding voltage will increase along with motor speed When the vo...

Страница 35: ...over Compressor oil and refrigerant being vented can create a hazardous condition of chemical burn frostbite or fire Never reset a breaker or replace a blown fuse without checking the compressor or related components for a short circuit or ground fault condition first Always wear and use the appropriate safety gear when servicing a refrigeration system Protective gloves eyewear shoes clothes and t...

Страница 36: ...techni cian will need to replace a defective compressor Testing Compressor Windings Insulation with a Meg ger A megger is a preferred test over using a typical ohm meter for testing the compressor windings The meg ger checks the insulation factor of a winding making sure it is actually insulated and not leaking current Ground Fault An ohm meter usually produce a low voltage for reading resistance ...

Страница 37: ...art Capacitor Start Capacitor BUNN P N 39804 0004 Rating 243 292 MFD 165V 50 60HZ Disconnect the start capacitor from the system Re move the bleed resistor Use a capacitance meter to measure the capacitance The capacitance value should be the rated value minus 0 to plus 20 If it is outside of this range then the start capacitor needs to be replaced Run Capacitior Run Capacitior BUNN P N 44820 0004...

Страница 38: ... black wires from the compressor start relay 7 Remove relay from the compressor 8 Check for continuity across the upper left terminal and the right pin socket on the rear of the relay If continuity is present as described the compressor start relay is operating properly If continuity is not present as described replace relay Compressor 1 Withthecompressorstartrelay 1 removed disconnect the black w...

Страница 39: ...2 Disconnect the WHI ORN wire of the harness from the thermal overload protector 3 Disconnect the BLK wire from the Compressor s upper terminal 4 Remove overload protector 3 and start relay as an assembly 5 Remove overload protector 3 and discard overload protector 6 Install new overload protector 3 on to the relay 1 7 Install relay 1 and overload protector 2 on the com pressor terminal bracket 8 ...

Страница 40: ...ransformer 5 From the right side of the dispenser lift the compressor assembly over the four studs in the chassis and remove compressor 6 Install new compressor over the four studs in the dis penser chassis with the fill valve to the right side of the dispenser 7 Secure compressor to the dispenser chassis using four 25 20 keps nuts and washers 8 Reconnecttubesfromthecondenserandtheaccumula tor to ...

Страница 41: ...5 Disconnect the dispenser from the power source If voltage is present as described proceed to the following test procedures If voltage is not present as described refer to the Relay and check the relay 6 Disconnect the two black wires from the compressor start relay 7 Remove relay from the compressor 8 Check for continuity across the upper left terminal and the right pin socket on the rear of the...

Страница 42: ... aside for reassembly 4 Disconnect and remove the transformer 5 From the right side of the dispenser lift the compressor assembly over the four studs in the chassis and remove compressor 6 Install new compressor over the four studs in the dis penser chassis with the fill valve to the right side of the dispenser 7 Secure compressor to the dispenser chassis using four 25 20 keps nuts and washers 8 R...

Страница 43: ... 3 Connect the dispenser to the power source 4 Turn on power I O switch Verify UPPER case ICE or CHILL mode 5 Withavoltmeter checkthevoltageacrossthewhite wire and the orange wire The indication must be a 120 volts ac for 120 volt models b 230 volts ac for 230 volt models 6 Disconnect the dispenser from the power source If voltage is present as described proceed to 7 If voltage is not present as d...

Страница 44: ...rd Location The control board is located behind the front panel on the front of the chassis Test Procedures 1 Disconnect the dispenser from the power source 2 Remove the left and right side panels Remove the front panel and unplug ribbon cable from J5 ULTRA 2 or J9 ULTRA 1 3 With a voltmeter check the supply voltage from J5 8 WHI BLU to J5 20 WHI BLK 4 Connect the dispenser to the power source The...

Страница 45: ...ss on the very bottom will drop into the hopper drip tray s drain hole Ledge Boss Legs When in its proper position the cooling drum will cause a slight pressure on the hopper drip tray drain hole and the two legs will be equidistant from the hopper drip tray If adjustment is needed remove the support and gently force the free end of the evaporator in the direction the adjustment is needed Reinstal...

Страница 46: ...chassis base 3 Remove the condenser shroud and fan assy from the right side of the dispenser 4 Removethethree 6threadcuttingscrewssecuring thefanassytocondensershroud 7 Setcondenser shroud and screws aside for reassembly 5 Remove the three 8 32 thread forming screws securingmotor 5 tocondenserfanshroud mount 6 Set shroud and screws aside for reassembly FIG 40 FAN COMPONENTS 6 Remove speed nut 2 fr...

Страница 47: ...an ohmmeter across the red and black wires of the fan If continuity is present as described the fan is operat ing properly If continuity is not present as described replace the fan 6 Repeat test for other fan Removal and Replacement 1 Disconnect the dispenser from the power source 2 Remove the air filter from the back of the dis penser 3 Remove the four 8 32 hex screws attaching the fan and shroud...

Страница 48: ...he two leads of the hot gas sensor The indication must be a 678 ohms 212 F 10 b 10k ohms 77 F 10 If resistance reading is not within the range listed above replace sensor Removal and Replacement Refer to Fig 43 1 Remove the left side housing panel 2 Disconnect the plug on the hot gas sensor leads from the connector on the main harness 3 Remove the clamp securing the hot gas sensor to Condenser to ...

Страница 49: ...cover 2 Remove the hopper cover with the lamp cord as sembly from the hopper 3 Remove hopper cover liner from the hopper cover 4 Cut the closed splice terminals connecting lamp cord assembly to the lamp holder socket assembly off 5 Remove lamp cord assembly from hopper cover and discard 6 Push new lamp cord wires through the holes on the left outside top of the hopper cover 7 Strip the wires from ...

Страница 50: ...t and secure with two 8 32 locking screws 9 Refer to Fig 48 when reconnecting wires FIG 48 LAMP CORD CONNECTOR P1323 FIG 47 LAMP CORD CONNECTOR Location The lamp cord connectors are located inside the center top of the auger motor covers Test Procedures 1 Disconnect the dispenser from the power source 2 Disconnect the plug on the dispenser main harness from the connector from the lamp cord connec ...

Страница 51: ...pper 13 Plug in the lamp cord assembly to the lamp cord connector assembly on left top of the auger motor cover 14 Refer to Fig 50 when reconnecting the wires FIG 50 LAMP HOLDER SOCKET ASSEMBLY WIRES P1322 SERVICE cont LAMP HOLDER SOCKET ASSEMBLY FIG 49 LAMP HOLDER SOCKET ASSEMBLY Location The lamp holder socket assemblies are located inside the hopper covers Test Procedures 1 Disconnect the lamp ...

Страница 52: ...cord connector assembly in the top of the auger motor cover 3 Remove the hopper cover with the lamp cord as sembly from the hopper 4 Remove hopper cover liner from the hopper cover 5 Remove the two 2 28 screws securing the LED circuit board assembly to the cover liner 6 Replace the LED circuit board assembly FIG 45 LED HOPPER LIGHTS P4110 Location The LED hopper lights are located inside the hop p...

Страница 53: ...rom the power source 2 Connect a voltmeter across BLU BLK wire and the VIO wire 3 Connect the dispenser from the power source 4 Turn on Power I O Switch Verify the dispenser is in the DAY mode The indication must be a 12 volts dc in the DAY mode b 0 volts dc in the NIGHT mode If voltage is present as described the Control Board is operating properly Replace Relay if it does not energize when volta...

Страница 54: ...the clear portion of the cable FIG 54 MEMBRANE SWITCH SERVICE cont MEMBRANE SWITCH ULTRA 2 FIG 53 MEMBRANE SWITCH Location The membrane switch is located on the front panel Test Procedures NOTE Before continuing check that the ribbon cable is properly connected to the control board and not a pin off in either direction 1 Disconnect the dispenser from the power source 2 Remove the right and left si...

Страница 55: ...nect the ribbon cable to the Control Board FIG 57 MEMBRANE SWITCH FIG 56 MEMBRANE SWITCH Location The membrane switch is located on the front panel Test Procedures NOTE Before continuing check that the ribbon cable is properly connected to the control board and not a pin off in either direction 1 Disconnect the dispenser from the power source 2 Remove the right and left side panels 3 Remove the fr...

Страница 56: ...noid This will require a licensed refrigeration repair person to evacuate the system and make repairs as necessary NOTE Before removal of any refrigeration component the refrigerant in the system must be reclaimed by a licensed refrigeration repair person Removal and Replacement 1 Disconnect the wires from both solenoids 2 Disconnect the refrigerant lines from the solenoids to the cooling drums an...

Страница 57: ...ance reading is not within the range listed above replace thermistor Removal and Replacement 1 Remove the two 8 32 screws securing the auger motor cover to cooling drum mount and remove cover Set aside for reassembly 2 Disconnect the plug on the temperature sensor leads from the connector on the dispenser main harness 3 Pull the temperature sensor from the tube at the top rear of the cooling drum ...

Страница 58: ...nnector on the main wiring harness 5 Remove the three remaining 8 locking screws securing the auger motor mounting bracket to cooling drum mounting bracket 6 Remove motor with mounting bracket split pin torsion spring bearings as an assembly and set aside for reassembly NOTE When removing or installing the motor be sure the split pin in the motor shaft is turned to a position that will clear the t...

Страница 59: ...mer The indication must be a 120 volts ac for 120 volt models b 230 volts ac for 230 volt models If voltage is present as described replace trans former Ifvoltageisnotpresentasdescribed refertotheWiring Diagrams and check the main wiring harness Removal and Replacement 1 Disconnect the dispenser from the power source 2 Remove right side panel 3 Disconnect the four wires from transformer 4 Disconne...

Страница 60: ...EGUL ATIONS B I B OR VENTED TANK WATER REGUL ATOR WHEN PRESSURE IS ABO VE 80PSI WATER INLET SHUT OFF VA LVE CO2 Suppl y CO2 Syrup Pump Optimal Pressure Setting 40 80 psi SERVICE CONT Liquid Autofill System FIG 68 LIQUID AUTOFILL SYSTEM 41084 081216 ...

Страница 61: ...psi range is 40 80 A typical set point is 65 psi Check for voltage at the Water valve solenoid between theWHTandWHT YELwires Thereadingshouldbe120 vac for 120V machines or 230 vac for 230V machines Check for voltage at the Syrup valve solenoid between theWHTandWHT YELwires Thereadingshouldbe120 vac for 120V machines or 230 vac for 230V machines If voltage is not present as indicated replace soleno...

Страница 62: ...62 Should be located no more than 6 from pump 50 PSI RECOMMENDED SERVICE CONT Liquid Autofill System FIG 70 LIQUID AUTOFILL SYSTEM 41084 081216 ...

Страница 63: ...he reading should be 100 vac for 100V machines 120 vac for 120V machines or 230 vac for 230V machines If voltage is not present as indicated replace solenoid valve s Check for voltage at the Water valve solenoid between theWHTandREDwiresfortherightvalve s orbetween the WHT and BLU wires for the left valve s The read ing should be 100 vac for 100V machines 120 vac for 120V machines or 230 vac for 2...

Страница 64: ...BE 312 O D X 032 CONDENSER EVAPORATOR FILTER DRYER COMPRESSOR SERVICE VALVE FOR COOLANT CHARGE INFORMATION SEE DECAL ON SIDE PANEL SERVICE VALVE FOR COOLANT CHARGE INFORMATION SEE DECAL ON SIDE PANEL TO CONTROL BOARD THERMISTOR TEMPERATURE SENSOR SOLENOID VALVE ELECTRONICALLY CONTROLLED CAP TUBE 41084 102709 ...

Страница 65: ...BE 312 O D X 032 CONDENSER LEFT EVAPORATOR RIGHT EVAPORATOR FILTER DRYER COMPRESSOR SERVICE VALVE FOR COOLANT CHARGE INFORMATION SEE DECAL ON SIDE PANEL TO CONTROL BOARD TO CONTROL BOARD THERMISTOR TEMPERATURE SENSOR THERMISTOR TEMPERATURE SENSOR SOLENOID VALVE ELECTRONICALLY CONTROLLED CAP TUBE 41084 102709 ...

Страница 66: ...P for ULTRA 1 ULTRA 1 TRIACS TH1 MOV4 controls Auger J10 8 Reverse J10 9 Forward TH2 MOV1 controls Compressor Relay J10 20 TH3 MOV2 controls Cooling Valve J10 19 TH4 MOV3 controls Refill Valve J10 18 41084 102709 ...

Страница 67: ... MOV4 controls Fan J13 14 TH4 MOV2 controls Right solenoid J13 16 TH5 MOV5 controls Left Auger J13 2 Reverse J13 3 Forward TH6 MOV6 controls Right Auger J13 13 Reverse J13 1 Forward LIQUID AUTO FILL TRIACS TH1 MOV1 controls Right fill solenoid J2 9 TH2 MOV2 controls Left fill solenoid J2 4 LIQUID AUTO FILL BOARD 41084 102709 ...

Страница 68: ...cted you will read 5VDC but when connected voltage will vary according to temperature To check sensor see repair section J1 connector black is TIC board ground and white is data wire White Blue 18 Blue 22 White Gray 22 White Black 18 Not used Not used Brown White 18 Black 18 Yellow 22 Gray 22 Blue Black 18 White Black 22 Not used White 18 Not used Brown 22 Tan 22 Brown Black 18 Violet 18 Orange 18...

Страница 69: ...BUNN O MATIC CORPORATION M AUGER MOTOR CAPACITOR LAMP ASSY BLK RED WHI BRN WHI BRN BLK WHI RED WHI BLK BRN WHI BRN BLK WHI 1 4 1 TORQUE SENSOR BOWL TEMP 1 1 1 t HOT GAS t GRN BLK WHI FAN MOTOR C C BLK RED SOL CIRCUIT BREAKER LAMP RELAY COMPRESSOR RELAY 5 AMP FAN MOTOR 8 1 MEMBRANE SWITCH ULTRA POWER GOURMET ICE SHIELD 120V MODELS N A B A B A B L1 230V MODELS GRN YEL N L1 GND BLK WHI BRN BLU EMI FI...

Страница 70: ...low 22 Input Signal Hot Gas Temp 11 Blue 22 Output Torque Sensors 5VDC 12 White Black 22 Output Torque Sensors 5VDC 13 White Red 18 Output Right Auger Motor 120VAC 14 Gray 18 Output Condenser Fan 120VAC 15 Brown 20 Output Left Solenoid 120VAC 16 Red 20 Output Right Solenoid 120 VAC 17 Orange 18 Output Compressor Relay 120VAC 18 Not used Not used Not used Not used 19 Blue Black 18 Output Lamp Relay...

Страница 71: ...2082 0002E 05 12 2005 BUNN O MATIC CORPORATION M M LEFT AUGER RIGHT AUGER LEFT LAMP ASSY RIGHT LAMP ASSY BLK RED WHI BLK BLK RED RED BRN WHI BRN BLK WHI RED WHI VIO 22 WHI BLK 22 WHI VIO 22 WHI BLK 22 BRN WHI WHI RED RED BLK BRN BLK RED BLK WHI WHI WHI 1 4 1 1 1 4 LEFT TORQUE SENSOR RIGHT TORQUE SENSOR LEFT 1 1 1 1 1 t RIGHT t HOT GAS t GRN BLK WHI FAN MOTOR C C BLK RED LEFT SOL RIGHT SOL Configur...

Страница 72: ... ULTRA 2B AF 100 VOLTS AC 2 WIRE SINGLE PHASE 60 HZ 32082 0004A 03 07 2007 BUNN O MATIC CORPORATION M M LEFT AUGER RIGHT AUGER LEFT LAMP ASSY RIGHT LAMP ASSY BLK RED WHI BLK BLK RED RED BRN WHI BRN BLK WHI RED WHI VIO 22 WHI BLK 22 WHI VIO 22 WHI BLK 22 BRN WHI WHI RED RED BLK BRN BLK RED BLK WHI WHI WHI 1 4 1 1 1 4 LEFT TORQUE SENSOR RIGHT TORQUE SENSOR LEFT 1 1 1 1 1 t RIGHT t HOT GAS t N L GRN ...

Страница 73: ... GRN or GRN YEL WHT BLU BLK BLU BLK RED BLK BRN BLK BLK L1 N A B L1 L2 RELAY RECTIFIER RCA PLUG CHASSIS GND CHASSIS GND PROBE DETECTOR LEFT RIGHT GRN GRN 301k C 120V OR 220 240 VOLTS AC 2 WIRE SINGLE PHASE 50 60 HZ 51454 000OA 03 15 2015 BUNN O MATIC CORPORATION SCHEMATIC WIRING DIAGRAM PAFP ...

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