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OPERA TING & SER VICE MANUAL BUNN-O-MA TIC CORPORA TION POST OFFICE BOX 3227 SPRINGFIELD, ILLINOIS 62708-3227 PHONE: (217) 529-6601 F AX: (217) 529-6644 www .bunnomatic.com CDS-2 CDS-3 27646.0000N 04/08 ©1997 Bunn-O-Matic Corporation T o obtain the Illustrated Parts Catalog, visit the Bunn-O-Matic website, at www .bunn.com. This is absolutely ...
2 INTRODUCTION This equipment dispenses granita-type and cold liquid drinks on demand from separate hoppers. Operating controls are accessible only to key operators. CONTENTS Introduction & Warranty .....................................................................................2 User Notices ............................................... ...
3 USER NOTICES Carefully read and follow all notices on the equipment and in this manual. They were written for your protec- tion. All notices are to be kept in good condition. Replace any unreadable or damaged labels. 12559.0003 HAZARDOUS VOL T AGE DISCONNECT FROM POWER SOURCE BEFORE REMOVING! WA RNING CHARGE T ype R22, Amount 8.4 oz Design Pressu ...
4 USER NOTICES (CONT .) CHARGE T ype R22, Amount 8.4 oz Design Pressures: High 210 Low 32 AFTER CLEANING & BEFORE REASSEMBL Y LUBRICA TION 1 2 3 27664.0000D 5/97 © 1996 BUNN-O-MA TIC CORPORATION 1. Apply lubricant* on lip of auger seal where contact is made with cooling drum. 2. Apply lubricant* on outside surface of cooling drum seal or insid ...
5 SITE PREP ARA TION These dispensers are very heavy . Place them on a sturdy counter or shelf capable of supporting at least 180 lbs for the CDS2 and 250 lbs for the CDS3. They are for indoor use only . The dispenser must have at least four inches of space behind it. This space is needed for airflow, air filter removal, and cleaning. Minimal cle ...
6 6.0" MIN. 6.0" MIN. 6.0" MIN. DO NOT REMOVE INITIAL SETUP CAUTION – The dispenser is very heavy! Use care when lifting or moving it. Use at least two people to lift or move the dispenser . 1. Set the dispenser on the counter where it will be used. The CDS-3 dispenser requires a minimum of 6.0” air clearance on both sides and at ...
7 9. Align the auger shaft with the flat fin of the auger . Push the augers as far as they will go and rotate them so the flat fins are pointing up. 10. Thoroughly rinse the hoppers and install them over the cool- ing drums with augers. Slide them into place and push them down as far as they will go. As much as possible, keep lubricant from the ...
8 ICE CONTROLS Controls the consistency of the ice in the hoppers when the DA Y/NIGHT switch is in the left “DA Y” position and the ICE/OFF/NO-ICE switch is in the left “ICE” position. T urn this control clockwise to produce a coarse r ice or c ounter clockwis e to produce a finer ice. (The dispenser is set to deliver satisfactory ice at a ...
9 DA Y/NIGHT TIMER The quartz driven timer offers 24-hour programming with 96 actuators that operate in 15-minute incre- ments. All actuators can be individually set to the inside or outside position. The timer is located behind the right side panel. Shown in “Night Time” Mode Shown in “Day Time” Mode OPERA TING CONTROLS (Cont.) TWO FLASHES ...
10 USING THE DISPENSER FOR GRANIT A-TYPE PRODUCTS 1. Slide the lid for the selected hopper to the front or back to gain access to the hopper . 2. Place the premixed liquid product in the selected hopper . 3. Simply press all switches to the center of the control drawer for granita products. a. Place the POWER OFF/ON switch in the right “ON” pos ...
11 OTHER RECOMMENDA TIONS FOR YOUR DISPENSER • Whetherliquidconcentrateorgranulatedpowder ,allproductmustbethoroughlymixedBEFOREaddingit to the hoppers. • Forbestresultswithgranita-typeproducts,useonlyproductswithan apparentbrixof12orhigher .So ...
12 RECOMMENDED DAIL Y CLEANING (SUGAR & ALCOHOL PRODUCTS!) NOTE – Close the control drawer before proceeding. 1. Empty all product from the hoppers. 2. The driptray should be cleaned as needed for proper presentation of the product. 3. MixapacketofKay-5Sanitizerdilutedwithtwo-gallonsofwarm(120°F)wate ...
13 1. Squeeze some lubricant into hand. 2. Apply a thin film of lubricant to each cooling drum seal. 3. Install the seals over the flange at the re ar of the cooling drums as shown. 4. Press the seals firmly into place. 5. Apply a thin film of lubricant to the inside of each auger shaft seal. 6. Install the seals on the auger shafts. Wipe the co ...
14 F AUCET HANDLES Dispensing from the hoppers will occur when the faucet handles are installed with the handles in the upright position. (shown, left hopper) Dispensing from the hoppers will not occur when the handles are in- stalled upside-down. (shown, right hopper) Y ou may consider this handle position when the product in the hoppers is not ye ...
15 AUGER ASSEMBL Y & DISASSEMBL Y (EARL Y AUGERS ONL Y) Auger Sections (3 req’d.) Auger Nose Short Auger Latch Long Auger Latch ASSEMBL Y 1. Snap one of the auger sections to the long auger latch. 2. Snap another auger section in place. 3. Snap the thir d auger section in place. 4. Sn ap the au ge r nos e on to th e last section installed. 5. ...
16 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 Ser vice Department. • Inspection, testing, and repairof electricalequipment should? ...
17 TROUBLESHOOTING (cont.) REMEDY (A) The cir cuit breaker must not be tripped. (B) Refer to Ser vice - Circuit Breaker for testing procedures. See page 27. Remove the lamps and check for continuity across the base and tip. Replace if necessary . Refer to Ser vice - T ransformer for testing procedures. See page 49. Refer to Service - Lamp Holder/So ...
18 TROUBLESHOOTING (cont.) PROBLEM Compressor not running (With Adjustment Board L.E.D.s ON steadily for two minutes) Compressor runs but will not cool (With adjustment Board L.E.D.s flashing once every 4 seconds) Compressor runs but will not cool (With adjustment Board L.E.D.s flashing twice every 4 seconds) Compressor runs but will not cool (Wi ...
19 TROUBLESHOOTING (cont.) PROBLEM Compressor runs but will not cool (With adjustment Board L.E.D.s flashing 3, or 4 times ever y 4 seconds) (cont.) Product Won’t Freeze Product freezes but ice granules are too fine or too large Dispenser is making unusual noises. (S ome no ises are a nor ma l oc cu ranc e with this type of device. Y ou need to ...
20 TROUBLESHOOTING (cont.) PROBLEM Dispenser is making unusual noises. (S ome no ises are a nor ma l oc cu ranc e with this type of device. Y ou need to become familiar with those that are normal , to determi ne when they have become unusual.) (cont.) Product is leaking into the inside of the drum. PROBABLE CAUSE 3. Fan Motor 4. Auger Motor(s) 1. W ...
21 Auger Motors ....................................................................................................22 Auger Motor Capacitors ....................................................................................23 Auger Shaft Assembly .......................................................................................24 Auger ON/O ...
22 4. Disconnect the auger motor terminal from the terminal 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. Rem ove moto r with mou nting brack et, drip tra y , split pin and torsion spring bearing as an assembly . NOTE: When removing or insta ...
23 FIG. 4 AUGER MOTOR CAP ACITOR TERMINALS SERVICE (CONT .) AUGER MOTOR CAP ACITOR FIG. 3 AUGER MOTOR CAP ACITORS P1341 Location: The auger motor capacitors are located on the lower right side of the auger motor mounting bracket inside the auger motor covers. T est Procedures: 1. Disconnect the dispenser from the power source. 2. Disconnect the wir ...
24 SERVICE (cont.) AUGER SHAFT ASSEMBL Y Auger Shaft Assy Auger Shaft Bushing Cooling Drum Seal Auger Shaft Seal Hopper Drum Seal FIG. 5 AUGER SHAFT ASSEMBL Y Location: The Auger Shaft Assembly is located in each of the cooling drums. Removal and Replacement: 1. Drain, remove and clean hopper; refer to the Rec- ommended Daily Weekly Cleaning Sectio ...
25 SERVICE (cont.) AUGER SHAFT ASSEMBL Y(cont.) FIG. 6A AUGER SHAFT BUSHING Lightly lube the bushing I.D. with M2550.0000 “Lubri- Film” Do NOT get any Lube on this surface P1759 FIG. 6B COOLING DRUM SEAL P1760 Open face of seal away from tool Cooling Drum Seal Seal Insertion T ool FIG. 6C MOTOR/SHAFT ASSEMBL Y P1761 Lube about 1 1/2” of shaft ...
26 If continuity is present as described, the auger switch is operating properly . If continuity is not present as described, replace the auger switch. Removal and Replacement: 1. Pull the dispenser drawer out until the drawer hits the drawer stop. Using a screwdriver gently pr y up on the drawer stop and remove the drawer from the dispenser . 2. R ...
27 R22 FIG.9CIRCUITBREAKER P1342 SERVICE (cont.) CIRCUIT BREAKER Location: The circuit breaker is located inside the dispenser on the upper left side of the component bracket. T est Procedures: 1. Disconnect the dispenser from the power source. 2. Remove the wires from the circuit breaker . 3. Check for continuity between the terminals. Co ...
28 R22 R22 R22 120V COMPRESSORS SERVICE (cont.) COMPRESSOR & COMPONENTS (CDS-2) FIG. 11 COMPRESSOR ASSY 3 2 5 6 FIG. 12 COMPRESSOR ELECTRICAL COMPONENTS P1344 T est Procedures: WARNING: The compressor start capacitor must be properly discharged before proceeding. Compressor Start Relay: Refer to FIG. 12 1. Disconnect the dispenser from the powe ...
29 SERVICE (cont.) COMPRESSOR & COMPONENTS (CDS-2) (cont.) Compressor Start Capacitor: 1. Check for continuity across the terminals on the compressor start capacitor . If continuity is present as described, the start capacitor is operating properly . If continuity is not present as described, replace the capacitor . NOTE: If al l th e el ect ri ...
30 Compressor Thermal Overload Protector (230V): Refer to FIG. 12 1. Remove terminal cover retainer (6) and terminal cover (5). 2. Disconnect the black wire from the thermal overload protector . 3. Pull thermal overload protector off of the compressor pin and discard. 4. Push new thermal overload protector onto the com- pressor pin. 5. Refer to Fig ...
31 SERVICE (cont.) COMPRESSOR & COMPONENTS (CDS-3) FIG. 16 COMPRESSOR & COMPONENT LOCA TIONS FIG. 17 COMPRESSOR THERMAL OVERLOAD PROTECTOR LOCA TION 3. Disconnect the black wire to the thermal overload protector (4), the white and black or red wires to the compressor . 4. With a voltm eter , check voltag e across the blac k wire removed fro ...
32 SERVICE (cont.) COMPRESSOR & COMPONENTS (CDS-3) (cont.) Compressor Run Capacitor: 1. Check for continuity across the terminals on the compressor run capacitor . If continuity is present as described, the run capacitor is operating properly . If continuity is not present as described, replace the capacitor . NOTE: If all the electrical compon ...
33 SERVICE (cont.) COMPRESSOR & COMPONENTS (CDS-3) (cont.) Compressor Thermal Overload Protector: Refer to FIG. 17 1. Remove terminal cover retainer (7) and terminal cover (6). 2. Remove the wire from thermal overload protector from the compressor wiring harness to the thermal overload protector . 3. Remove overload protector retainer (5) and t ...
34 SERVICE (cont.) CONT ACTOR - ELECTRONIC CONTROL 6. Disconnect the black wires from contactor termi- nals #6 & #8 (#5 & #6, CDS-3 first type contac- tor). 7. With ON/OFF switch in the “ON” position, connect the dispenser to the power source and check for continuity across terminals on contactor . If conti nuity is not pres ent as des ...
35 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 . T o chec ...
36 SERVICE (cont.) DA Y/NIGHT SWITCH If continuity is present as described, the day/night switch is operating properly . If continuity is not present as described, replace the day/night switch. Removal and Replacement: 1. Pull the dispenser drawer out until the drawer hits the drawer stop. Using a screwdriver gently pr y up on the drawer stop and r ...
37 FIG. 28 DISPENSER ON/OFF SWITCH TERMINALS P1337 SERVICE (cont.) DISPENSER ON/OFF SWITCH FIG. 27 ON/OFF SWITCH - DISPENSER P1343 Location: The dispenser ON/OFF switch is located inside the dispenser drawer on the left front of the control panel. T est Procedures: 1. Disconnect the dispenser from the power source. 2. Disconnect the black wire from ...
38 R22 FIG. 29 ELECTRONIC CONTROL Location: The electronic control is located on the outside of the component bracket inside the chassis on the right side. T est Procedure: 1. Disconnect the dispenser from the power source. 2. Disconnect the plug from the main harness from the connector on the electronic control. 3. Wit h a voltm ete r , chec k the ...
39 R22 SERVICE (cont.) F AN FIG. 30 F AN P1342 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 yellow and white/black wires from the main harness to the fan leads. 3. With a volt meter , chec k the voltag e across the ye ...
40 SERVICE (cont.) FUSE AND FUSE HOLDER R22 FIG. 33 FUSE HOLDER P1342 Location: The fuse holder is located inside the dispenser on the upper left side of the component bracket just below the circuit breaker . T est Procedures: 1. Disconnect the dispenser from the power source. 2. Remove cap and fuse from fuse holder . 3. Remove fuse from the cap. 4 ...
41 SERVICE (cont.) ICE/OFF/NO ICE SWITCHES FIG. 36 ICE/OFF/NO ICE SWITCH TERMINALS P1334 FIG. 35 ICE/OFF/NO ICE SWITCHES P1343 Location: The ICE/OFF/NO-ICE switches are located inside the dispenser drawer . T est Procedures: 1. Disconnect the dispenser from the power source. 2. Disconnect the black wire from the switch to be tested and white/black ...
42 SERVICE (cont.) LAMP CORD ASSY FIG. 37 LAMP CORD ASSY P1343 Location: The lamp cord assembly is located in the left top 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 . 3. Check for continuity across the tip of the cord as- sembly ...
43 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 . 2. Remove the two #8-32 locking screws securing the ...
44 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 . 4. Cut off the closed-end splices connecting lamp cord assembly to the lamp holde ...
45 SERVICE (cont.) L.E.D./ADJUSTMENT BOARD 3. Lift switch panel with wires and L.E.D. /adjust- ment board as an assembly and turn over . 4. Disconnect the connector on the dispenser wiring harness from the pin connector on the rear of the L.E.D./adjustment board. 5. Remove the #4 keps nut from the right rear stud on the control panel and remove the ...
46 R22 FIG.45 SOLENOID TERMINALS P1327 SERVICE (cont.) SOLENOIDS FIG. 44 SOLENOIDS P1342 Location: The solenoids are mounted on a bracket that is attached on top of the chassis on the left side. T est Procedures: 1. Disconnect the dispenser from the power source. 2. Disconnect the white/black wire from the solenoid to be tested and the orange wire ...
47 FIG. 47 TEMPERA TURE SENSOR P1325 SERVICE (cont.) TEMPERA TURE SENSOR FIG. 46 TEMPERA TURE SENSOR P1341 Location: The temperature sensors are located inside the top rear of the cooling drum under the auger motor covers. T est Procedures: 1. Position the DA Y/NIGHT switch in the “NIGHT” position, check the L.E.D. on the control panel for fla ...
48 FIG. 49 TORQUE SENSOR CIRCUIT BOARD TERMINALS P1328 SERVICE (cont.) TORQUE SENSOR CIRCUIT BOARD FIG. 48 TORQUE SENSOR CIRCUIT BOARD P1341 Location: The torque sensor circuit board is located on the rear of the cooling drum mount just left of center . T est Procedures: 1. With the ON/OFF switch and Auger switch in the “ON” position and the IC ...
49 SERVICE (cont.) TRANSFORMER FIG. 51 TRANSFORMER TERMINALS P1329 R22 FIG. 50 TRANSFORMER P1342 Location: The transformer is located inside the chassis on the upper rear side of the component bracket. T est Procedures: 1. Disconnect the dispenser from the power source. 2. Disconnect the plug from the transformer to the connector from the dispenser ...
50 SERVICE (CONT .) VOL T AGE DIVIDER (P AF Models only) Location: The voltage divider is located in the wiring har - ness, inside the chassis near the upper rear side of the component bracket. T est proceedures: 1. Disconnect the dispenser from the power source. 2. Disconnect the four -pin plug of the main harness from the four -pin plug on the vo ...
51 COOLANT SCHEMA TIC DIAGRAM CDS-2 27646 022500 ...
52 COOLANT SCHEMA TIC DIAGRAM CDS-3 (Prior to S/N CDS 0019500) LEFT EV APORA TO R CENTER EV APORA TO R CONDENSER SUCTION ACCUMULA TO R COMPRESSOR RIGHT EV APORA TO R 28575.0000A 1/98 ©1998 Bunn-O-Matic Corporation CDS-3 COOLANT SCHEMA TIC SPLITTER FIL TER DRYER s s s AEV AEV AEV HOT GAS BY -P ASS VA LV E SOLENOID 27646 022500 ...
53 LEFT EV APORA TO R CENTER EV APORA TO R CONDENSER SUCTION ACCUMULA TO R COMPRESSOR RIGHT EV APORA TO R 29428.0000A 12/98 ©1998 Bunn-O-Matic Corporation CDS-3 COOLANT SCHEMA TIC SPLITTER FIL TER DRYER s TEV TEV TEV s s SIGHT GLASS COOLANT SCHEMA TIC DIAGRAM CDS-3 (S/N CDS 0019500 - Up) 27646 022500 ...
54 27646 022500 ...
55 27646 022500 ...
56 WHI/RED RIGHT AUGER BLK RED WHI LEFT AUGER BLK RED WHI 1 4 WHI/BLK BLK WHI/BLK RED WHI/BLK RED-22 BLK-22 1 4 SOL LEFT ORA-22 WHI/GRN SCHEMA TICWIRINGDIAGRAM FOR CDS-2 P AF WHI/GRN WHI/GRN ON/OFF SW . GRN 27556.0002H 12/99 © 1996 BUNN-O-MA TIC CORPORA TION 120 VOL TS AC 2 WIRE SINGLE PHASE 60 HZ J4-1 J4-24 C O N T R O L B O A R D J4-5 J4-1 ...
57 WHI/BRN or VIO WHI/RED WHI/RED WHI/BLU WHI/BLU LT . AUGER SW . RT . AUGER SW . WHI/BRN RIGHT AUGER BLK RED WHI BLK BLK WHI/BLK LEFT AUGER BLK RED WHI WHI/BLK 1 4 WHI/BLK BLK WHI/BLK RED WHI/BLK RED-22 BLK-22 1 4 SOL LEFT ORA-22 WHI/GRN SCHEMA TICWIRINGDIAGRAM FOR CDSA-2 P AF WHI/GRN WHI/GRN ON/OFF SW . 27556.0003B 02/01 © 1996 BUNN-O-M AT ...
58 27646 022500 ...
59 27646 022500 ...
60 27646 022500 ...
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