Gebruiksaanwijzing /service van het product ULTRA-2 van de fabrikant Bunn
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UL TRA-1 UL TRA-2 SER VICE & REP AIR MANU AL BUNN-O-MA TIC CORPORA TION POST OFFICE BOX 3227 SPRINGFIELD, ILLINOIS 62708-3227 PHONE: (217) 529-6601 F AX: (217) 529-6644 41084.
2 41084 021513 BUNN-O-MA TIC 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 ser vers and Thermofresh servers (mechanical and digital)- 1 year parts and 1 year labor .
3 USER NOTICES All notices on this equipment are written for your protection. All notices are to be kept in good condition. Replace any unreadable or damaged labels. CONTENTS Warranty ...................................................................
4 INTRODUCTION Safety first! T o avoid electrical shock, unplug dispenser from power sour ce before ser vicing inside. WARNING : When powered, the condenser cooling fan will turn on every 30 minutes to aid cooling the entire unit, even when not in the ICE or CHILL modes.
5 TEMP & TORQUE SCREEN Press and hold for five seconds the UL TRA and ICE hidden switches to display the TEMP & TORQUE. The temperature of each cooling drum and the hot gas temperature will toggle back and forth. The auger torque is displayed continuously .
6 41084 102709 OPERA TING CONTROLS UL TRA-1 There are three of these switches that will be used for the operation of the dispenser . 1. switch (upper left corner of the control pad) This switch is the ON/OFF toggle switch which powers up the dispenser and the LCD display .
7 41084 102709 OPERA TING CONTROLS UL TRA-2 There are five of these switches that will be used for the operation of the dispenser . 1. switch (upper left corner of the control pad) This switch is the ON/OFF toggle switch which powers up the dispenser and the LCD display .
8 10. Place all parts in a clean sink with mild hot water (120°F) and sanitizer solution. Allow all parts to soak for at least 5 minutes. Carefully wash all components with a clean wash cloth in the hot water and sanitizer solu- tion. Use a clean, soft bristle brush as needed for the smaller components and tight areas.
9 1. Install the seal(s) over the flange at the rear of the cooling drum(s) and press the seal(s) firmly into place as shown. 2. Align the auger shaft(s) with the auger(s). Push the auger(s) as far as they will go and rotate so the flat face of the auger shaft is aligned with the flat face of the auger nose.
10 Auto-fill Cleaning Instructions (With Brixing Pump Installed) Materials required 1. Non-sudsing liquid detergent (such as common household automatic dishwasher liquid detergent). 2. Household bleach (Sodium chloride solution: 5.25%) or equivalent.
11 C. TORSION SPRINGS WEAK TORSION SPRINGS DAMAGED/CORRODED AUGER SHAF T DAMAGED/WORN BUSHINGS/SEALS DIRTY OR DAMAGED TORQUE SENSOR BOARD TOO MUCH KRYTOX GREASE CHILL MODE NORMAL OPERATION POSSIBLE CAUSES FOR FALSE READINGS ICE MODE BENT TORQUE SENSOR PINS MISSING TORQUE SENSOR PINS D.
12 REQUIRED REGULAR MAINTENANCE: Semi Annual: Bunn Kit #34245.0002 is required for UL TRA-1 and #34245.0000 & #34245.0001 is required for UL TRA-2, to perform the semi annual Preventive maintenance: Note: Service caused by failure to perform required maintenance is not covered by warranty .
13 6. Pull the auger shaft assembly straight out of cooling drum. Inspect the shaft for abnormal wear . 7. From the front of dispenser , remove the seal and blue bushing from cooling drum and discard them. 8. Inspect inside of the coling drum from the rear for product leakage and clean thoroughly with an extended bristle brush (Bunn part no.
14 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 T echnical Service Department.
15 TROUBLESHOOTING (cont.) Chills but won’t freeze Dispenser in “DA Y” mode? Ye s No Ye s Ye s Ye s Ye s Ye s No No No No No 3- Clean 1 1 3 2 2 1- Done 2- Adjust Set into “DA Y” mode Dispens.
16 TROUBLESHOOTING (cont.) No cooling at all Ye s No Is ICE/CHILL set to off? Have a certified refrigeration technician check for low refrigerant or blockage.
17 TROUBLESHOOTING (cont.) Freezes, but not thick enough Adjust thickness screen higher Check for slightly bent auger shaft pins and/or weak torsion springs.
18 TROUBLESHOOTING (cont.) Noise Auger jumping Check fan Lower brix ratio Drum alignment Check auger shaft bushings Using auger assembly from CDS 2 or 3? Replace with UL TRA p/n 32106.
19 TROUBLESHOOTING (cont.) T orque Sensor Error Ye s No Sensor unplugged or break in wiring Ye s No TORQUE SENSOR ERROR TORQUE SENSOR SHORTED TORQUE SENSOR OPEN Are augers turning? Left side Right sid.
20 TROUBLESHOOTING (cont.) T emperature Sensor Error TEMPERA TURE SENSOR SHORTED TEMPERA TURE 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 .
21 TROUBLESHOOTING (cont.) Clean Filter Messages “MONTHL Y FIL TER CLEAN REQUIRED” Monthly reminder Clean filter “FIL TER NEEDS CLEANING” “FIL TER NEEDS !!!CLEANING!!!” Hot gas thermistor.
22 SERVICE This section provides procedures for testing and replacing various major components used in this dispenser should service become necessar y .
23 FIG. 2 AUGER MOTOR TERMINALS Location The auger motors are located at the upper rear of the dispenser chassis inside the auger motor covers. T est Procedures 1. Remove the hopper from the same side as the motor to be tested. 2. T urn “ON” the appropriate auger switch.
24 FIG. 4 AUGER MOTOR CAP ACITOR TERMINALS SERVICE (CONT .) AUGER MOTOR CAP ACITOR FIG. 3 AUGER MOTOR CAP ACITORS P1341 Location: The auger motor capacitor(s) are located on the lower right side of the auger motor mounting bracket inside the auger motor cover(s).
25 SERVICE (cont.) AUGER SHAFT ASSEMBL Y Auger Shaft Assy Auger Shaft Bushing Cooling Drum Seal Hopper Drum Seal FIG. 5 AUGER SHAFT ASSEMBL Y Location: The Auger Shaft Assembly is located in each of the cooling drums.
26 SERVICE (cont.) AUGER SHAFT ASSEMBL Y(cont.) FIG. 7 COOLING DRUM SEAL P1760 Open face of seal away from tool Cooling Drum Seal Seal Insertion T ool FIG. 8 MOTOR/SHAFT ASSEMBL Y P1761 Lube about 1 1/2” of shaft and in the groove with #29563.0000 “Krytox” Lubricant Auger Shaft Assy 14.
27 9 FIG. 11 CIRCUIT BREAKER (UL TRA-2) SERVICE (cont.) CIRCUIT BREAKER Location: The circuit breaker is located inside the dispenser on the front right frame post on UL TRA-2 models; and under the Auger Motor cover on UL TRA-1 models. T est Procedures: 1.
28 SERVICE (cont.) COMPRESSOR (AMERICOLD) (UL TRA-2) FIG. 14 COMPRESSOR ASSY FIG. 15 COMPRESSOR ELECTRICAL COMPONENTS T est Procedures: WARNING: The compressor start capacitor must be properly discharged before proceeding. This is most commonly done on low voltage capacitors by shorting across the terminals with a screwdriver .
29 SERVICE (cont.) COMPRESSOR (AMERICOLD) (UL TRA-2) (cont.) Compressor Thermal Overload Protector: Refer to FIG. 15 1. Remove terminal cover retainer (5) and terminal cover (4). 2. Disconnect the WHI/ORN wire of the harness from the thermal overload protector .
30 SERVICE (cont.) COMPRESSOR (AMERICOLD) (UL TRA-2) (cont.) Removal and Replacement: Compressor Assy: NOTE: Before removal of any refrigeration component the refrigerant in the system must be reclaimed by a licensed refrigeration repair person. NOTE: When replacing the compressor it is recommended that the dryer also be replaced.
31 SERVICE (cont.) COMPRESSOR (EMBRACO) (UL TRA-2) FIG. 19 COMPRESSOR ASSY FIG. 20 COMPRESSOR ELECTRICAL COMPONENTS T est Procedures: WARNING: The compressor start capacitor must be properly discharged before proceeding. This is most commonly done on low voltage capacitors by shorting across the terminals with a screwdriver .
32 SERVICE (cont.) COMPRESSOR (EMBRACO) (UL TRA-2) (cont.) Compressor Thermal Overload Protector: Refer to FIG. 20 1. Remove terminal cover retainer (5) and terminal cover (4). 2. Disconnect the WHI/ORN wire of the harness from the thermal overload protector .
33 SERVICE (cont.) COMPRESSOR (EMBRACO) (UL TRA-2) (cont.) Removal and Replacement: Compressor Assy: NOTE: Before removal of any refrigeration component the refrigerant in the system must be reclaimed by a licensed refrigeration repair person. NOTE: When replacing the compressor it is recommended that the dryer also be replaced.
34 SERVICE (cont.) COMPRESSOR (EMBRACO) (UL TRA-2) Compressor Model: EMBRACO/NT2168GK, 115V 60HZ/100V 50HZ Compressor Specification: Commercial Designation: ¾ HP Nominal Voltage: 115V AC 60 HZ 1 PH / 100V AC 50 HZ 1 PH Electrical Rating: 115V AC 60 HZ: 8 RLA (Rated Load Amps), 54.
35 SERVICE (cont.) COMPRESSOR (EMBRACO) (UL TRA-2) Important Safeguards: • T rained ser vice personnel with the knowledge of servicing and troubleshooting refrigeration systems or related components should be used.
36 SERVICE (cont.) COMPRESSOR (EMBRACO) (UL TRA-2) Compressor Windings & Related Component T esting: Note: Measure the resistance (ohms) between termi- nal pins C&S and C&R around ambient temperature of 77° F . Add the resistance between C & S and C & R.
37 SERVICE (cont.) COMPRESSOR (EMBRACO) (UL TRA-2) External Thermal Protector Check for continuity across the thermal protector ter - minals. Before testing the external thermal protector , ensure the thermal protector had enough time to cool off and reset.
38 SERVICE (cont.) COMPRESSOR (APPLIANCES) (UL TRA-1) FIG. 24 COMPRESSOR & COMPONENT LOCA TIONS FIG. 25 COMPRESSOR THERMAL OVERLOAD PROTECTOR LOCA TION T est Procedures: Compressor Start Relay: Refer to FIG. 25 WARNING: The compressor capacitor must be properly discharged before proceeding.
39 SERVICE (cont.) COMPRESSOR (APPLIANCES) (UL TRA-1) (cont.) WHI/ORN GRN WHI BRN/WHI (120V) BRN (230V) BLU FIG. 26 RELA Y TERMINALS FIG. 27 THERMAL OVERLOAD PROTECTOR TERMINALS Plugs into Relay BRN/WHI (120V) to Relay BRN (230V) to Relay BLU to Relay FIG.
40 SERVICE (cont.) COMPRESSOR (APPLIANCES) (UL TRA-1) (cont.) Compressor Assy: NOTE: Before removal of any refrigeration component the refrigerant in the system must be reclaimed by a licensed refrigeration repair person. NOTE: When replacing the compressor it is recommended that the dryer also be replaced.
41 SERVICE (cont.) COMPRESSOR (DANFOSS) (UL TRA-1B) (cont.) Location: The compressor assy is located inside the front of the dispenser chassis. FIG. 29 COMPRESSOR & COMPONENT LOCA TIONS T est Procedures: Compressor Start Relay: Refer to FIG. 30 WARNING: The compressor capacitor must be properly discharged before proceeding.
42 SERVICE (cont.) COMPRESSOR (DANFOSS) (UL TRA-1B) (cont.) GRN WHI WHI/ORN to Overload Protector FIG. 30 RELA Y TERMINALS BLK to Compressor Relay BLK to Compressor Relay FIG. 31 COMPRESSOR CAP ACITOR TERMINALS Removal and Replacement: Compressor Start Relay: Refer to FIG.
43 R SERVICE (cont.) RELA Y (or CONT ACTOR on Early Models) If continuity is present as described, disconnect the dispenser from power source and reconnect wires to terminals #6 and #8, the relay is working. If continuity is not present as described, do the same continuity test across terminals #2 and #4.
44 SERVICE (cont.) CONTROL BOARD FIG. 35 CONTROL BOARD (UL TRA-2) Removal and Replacement: 1. Disconnect the main harness from connector J5 (UL TRA-2) or J9 (UL TRA-1) on the control board. 2. Remove the four #8-18 pan head screws securing the control board to the mounting box.
45 SERVICE (cont.) COOLING DRUM ALIGNMENT The “A” shaped Cooling Drum Shipping Supports, removed during Initial Set-Up should be kept and used as a tool to reset the alignment of the cooling drums should it ever be required. Symptoms: Squeaky Operation, hopper lifts or won’t seat properly , hopper is pushed to one side or the other .
46 1 2 3 4 5 6 7 SERVICE (cont.) F AN - UL TRA-2 FIG. 39 F AN Location: The fan is located inside the dispenser chassis just in front of the condenser . T est Procedures: 1. Disconnect the dispenser from the power source. 2. Disconnect the gray and white wires from the main harness to the fan leads.
47 SERVICE (cont.) F AN - UL TRA-1 FIG. 42 F AN Location: The fan assembly is located inside the rear of the dispenser chassis behind the condenser . T est Procedures: 1. Disconnect the dispenser from the power source. 2. Connect a voltmeter across pins 1 and 2 of either fan connector of the main wiring harness.
48 SERVICE (cont.) HOT GAS TEMPERA TURE SENSOR FIG. 43 HOT GAS SENSOR Location: The Hot Gas Sensor is located on the Condenser - to-Compressor tube on the left side of the housing.
49 SERVICE (cont.) LAMP CORD ASSY FIG. 45 LAMP CORD ASSY Location: The lamp cord assembly is located in the top center of the auger motor cover . T est Procedures: 1. Disconnect the dispenser from the power source. 2. Unplug the lamp cord assembly from lamp cord connector assembly .
50 SERVICE (cont.) LAMP CORD CONNECTOR If continuity is not present when lamp cord assembly is connected or continuity is present when lamp cord assembly is not connected, replace the lamp cord connector . Removal and Replacement: 1. Disconnect the lamp cord assembly from the lamp cord connector .
51 Removal and Replacement: 1. Disconnect the lamp cord assembly from the lamp cord connector assembly in the top of the auger motor cover . 2. Remove the hopper cover with the lamp cord as- sembly from the hopper . 3. Remove hopper cover liner from the hopper cover .
52 SERVICE (CONT .) LED Lamps If voltage is present as described, the LED board is faulty . If voltage is not present as described, retrace the wiring circuit to find the fault. 5. Check for continuity across the terminals on the leads and the LED harness.
53 T est Procedures: (Contacts) 1. Disconnect the dispenser from the power source. 2. Disconnect the WHI/VIO and WHI/YEL wires. Con- nect an ohmmeter across the two coil terminals where the wires were just removed. 3. Connect the dispenser from the power source.
54 1 12 1 MEMBRANE SWITCH I/O ULTRA GOURMET ICE SHIELD LEFT RIGHT Removal and Replacement: 1. Disconnect the dispenser from the power source. 2. Remove right and left side panels. 3. Remove front panel and disconnect ribbon cable. 4. Peel the old Membrane Swith off the front panel and discard.
55 8 1 MEMBRANE SWITCH UL TRA POWER GOURMET ICE SHIELD 1 SERVICE (cont.) MEMBRANE SWITCH (UL TRA-1) Removal and Replacement: 1. Disconnect the dispenser from the power source. 2. Remove right and left side panels. 3. Remove front panel and disconnect ribbon cable.
56 FIG.60 SOLENOID TERMINALS SERVICE (cont.) SOLENOIDS FIG. 59 SOLENOIDS Location: The solenoids are mounted on a bracket that is attached to the front left corner of the chassis. T est Procedures: 1. Disconnect the dispenser from the power source. 2.
57 FIG. 62 TEMPERA TURE SENSOR SERVICE (cont.) TEMPERA TURE SENSOR FIG. 61 TEMPERA TURE SENSOR P1341 Location: The T emperature Sensor(s) are located inside the top rear of the cooling drum under the Auger Motor covers. T est Procedures: 1. Remove the left side housing panel.
58 FIG. 64 TORQUE SENSOR CIRCUIT BOARD TERMINALS SERVICE (cont.) TORQUE SENSOR CIRCUIT BOARD FIG. 63 TORQUE SENSOR CIRCUIT BOARD P1341 Location: The torque sensor cir cuit board is located on the rear of the cooling drum mount just left of center . T est Procedures: 1.
59 SERVICE (cont.) TRANSFORMER FIG. 67 TRANSFORMER TERMINALS FIG. 65 TRANSFORMER - UL TRA-1 Location: The transformer is located inside dispenser onthe lower right side of the chassis. T est Procedures: 1. Disconnect the dispenser from the power source.
60 COOLANT SCHEMA TIC UL TRA-1 COPPER TUBE .25” O.D. X .030” COPPER TUBE .25” O.D. X .030” SUCTION ACCUMULA TOR COPPER TUBE .312” O.D. X .032” CONDENSER EV APORA TOR FIL TER DRYER COMPRESS.
61 COOLANT SCHEMA TIC UL TRA-2 COPPER TUBE .25” O.D. X .030” COPPER TUBE .25” O.D. X .030” SUCTION ACCUMULA TOR COPPER TUBE .312” O.D. X .032” CONDENSER LEFT EV APORA TOR RIGHT EV APORA TO.
62 TRIAC MAP for UL TRA-1 UL TRA-1 TRIACS TH1 & MOV4 controls Auger @ J10-8 Reverse & J10-9 Forward TH2 & MOV1 controls Compressor Relay @ J10-20 TH3 & MOV2 controls Cooling V alve @ J.
63 TRIAC MAPS for UL TRA-2 UL TRA-2 TRIACS TH1 & MOV3 controls Left solenoid @ J13-15 TH2 & MOV1 controls Compressor Relay @ J13-17 TH3 & MOV4 controls Fan @ J13-14 TH4 & MOV2 controls.
64 Input and Output Chart (ULTRA-1) J9 connector for liquid crystal display. J11 connector for touch pad/ membrane switch (see touch pad pin out test).
65 J10-1 J10-5 J10-10 J9-1 J9-5 J9-10 J9-16 1 16 J1 1-1 J1 1-5 J1 1-8 J10-15 J10-20 C O N T R O L B O A R D D I S P L A Y BLU-22 T AN-22 WHI/GR Y- 22 WHI/BLK WHI/BLU BRN/WHI BRN/BLK BLK BLU/BLK WHI WH.
66 Input and Output Chart (ULTRA-2) J5 connector for liquid cr ys tal displa y. J2 connector for touch pad/ membrane switch (see touch pad pin out test).
67 J13-1 J1-1 J13-5 J13-10 J5-1 J5-5 J5-10 J5-16 1 16 J2-1 J2-5 J2-10 J2-12 J13-15 J13-20 J13-24 C O N T R O L B O A R D D I S P L A Y RED/BLK WHI/RED-22 BLK-22 ORN-22 YEL-22 GRN-22 GRN GRN BLU-22 VIO.
68 41084 102709.
Een belangrijk punt na aankoop van elk apparaat Bunn ULTRA-2 (of zelfs voordat je het koopt) is om de handleiding te lezen. Dit moeten wij doen vanwege een paar simpele redenen:
Als u nog geen Bunn ULTRA-2 heb gekocht dan nu is een goed moment om kennis te maken met de basisgegevens van het product. Eerst kijk dan naar de eerste pagina\'s van de handleiding, die je hierboven vindt. Je moet daar de belangrijkste technische gegevens Bunn ULTRA-2 vinden. Op dit manier kan je controleren of het apparaat aan jouw behoeften voldoet. Op de volgende pagina's van de handleiding Bunn ULTRA-2 leer je over alle kenmerken van het product en krijg je informatie over de werking. De informatie die je over Bunn ULTRA-2 krijgt, zal je zeker helpen om een besluit over de aankoop te nemen.
In een situatie waarin je al een beziter van Bunn ULTRA-2 bent, maar toch heb je de instructies niet gelezen, moet je het doen voor de hierboven beschreven redenen. Je zult dan weten of je goed de alle beschikbare functies heb gebruikt, en of je fouten heb gemaakt die het leven van de Bunn ULTRA-2 kunnen verkorten.
Maar de belangrijkste taak van de handleiding is om de gebruiker bij het oplossen van problemen te helpen met Bunn ULTRA-2 . Bijna altijd, zal je daar het vinden Troubleshooting met de meest voorkomende storingen en defecten #MANUAl# samen met de instructies over hun opplosinge. Zelfs als je zelf niet kan om het probleem op te lossen, zal de instructie je de weg wijzen naar verdere andere procedure, bijv. door contact met de klantenservice of het dichtstbijzijnde servicecentrum.
