Bunn CWT-APS-DV Service Manual

CWT -DV, CWT APS-DV,CWTF-DV, CWTF APS-DVOPERATING & SERVICE MANUALBUNN-O-MATIC CORPORATIONPOST OFFICE BOX 3227SPRINGFIELD, ILLINOIS 62708-3227PHON

Page 1036102 090203TROUBLESHOOTING (cont.)PROBLEMBrew cycle will not start (cont.)Water is not hotPROBABLE CAUSEREMEDY5. Timer6. Solenoid Valve7. Wate

Page 1136102 090203TROUBLESHOOTING (cont.)PROBLEMInconsistent beverage level indispenserConsistently low beverage levelin the dispenserSpitting or exc

Page 1236102 090203TROUBLESHOOTING (cont.)PROBLEMSpitting or excessive steaming(cont.)Dripping from sprayheadWater flows into tank continuously(ON/OFF

Page 1336102 090203TROUBLESHOOTING (cont.)PROBLEMWeak beverageDry coffee grounds remain in thefunnelBrewer is making unusual noisesPROBABLE CAUSE1. Fi

Page 1436102 090203TROUBLESHOOTING (cont.)PROBLEMBrewer is making unusual noises(cont.)Low beverage serving tempera-ture (CWTF Only)PROBABLE CAUSE4. T

Page 15SERVICEThis section provides procedures for testing andreplacing various major components used in thisbrewer should service become necessary.

Page 16SERVICE (cont.)CONTROL THERMOSTATLocation: The control thermostat is located inside the trunkon the upper left side of the component bracket.Te

Page 17LIMIT THERMOSTATLocation:The limit thermostat is located inside the rear ofthe hood on the center rear of the tank lid.Test Procedures:1. Disco

Page 18ON/OFF SWITCHESSERVICE (cont.)FIG. 6 ON/OFF SWITCHESP1417CWTFMODELSCWTF-APSMODELS36102 090203FIG. 7 ON/OFF SWITCH TERMINALS6. Check for continu

Page 19Location:The solenoid valve is located inside the trunk onthe lower center part of the component bracket.Test Procedures:1. Disconnect the brew

Page 2INTRODUCTIONThis equipment will brew a half-gallon batch of coffee into an awaiting dispenser. It can be easily configuredfor 120V 15 amp, 120/2

Page 20SERVICE (cont.)START SWITCHFIG.10 START SWITCHP1417Location:The start switch is located on the front of the hoodin the center of switch panel.T

Page 21TANK HEATERSLocation:The tank heaters are located inside the tank andsecured to the tank lid.Test Procedures:With Voltage selector switch set t

Page 22SERVICE (cont.)36102 09020315. Reconnect the wires to the limit thermostat andtank heaters and control thermostat. See LimitThermostat and Cont

Page 23SERVICE (cont.)TANK HEATER SWITCHP2759.40If voltage is present as described, proceed to #5.If voltage is not present as described, refer to the

Page 24SERVICE (cont.)P1135TANK HEATER SWITCH (cont.)13. Remove the plastic facenut, hex facenut and theswitch indicator/guard bracket that secures ta

Page 2536102 090203FIG. 16 VOLTAGE SELECTOR SWITCHP2759.40White/Violet to Tank HeaterBlue to Tank HeaterWhite to Terminal BlockFIG. 17 VOLTAGE SELECT

Page 26THERMAL FUSESFIG. 18 THERMAL FUSESP2759.40Location:The thermal fuse is located inside the rear of thehood connected to the right front tank he

Page 27SERVICE (cont.)DIGITAL TIMERFIG. 20 DIGITAL TIMERP2759.4036102 090203Location:The timer is located inside the front of the trunk onthe upper ri

Page 28SERVICE (cont.)To increase a brew volume, place the ON/OFFswitch in the “ON” position, press and hold the STARTswitch until three clicks are h

Page 29SERVICE (cont.)WARMER ELEMENT(S)Location:The warmer elements are located under the warmerplates.Test Procedures:1. Disconnect the brewer from

Page 3#12364.0000#00658.0000#00831.0000#34955.0000APS MODELS#34955.0002TWO WARMER BREWERSUSER NOTICESCarefully read and follow all notices in this man

Page 3036102 090203T1T5 T3 T4T2BLK-14 BLK-14120V AC 2 WIRE120/208V AC 3 WIRE120/240V AC 3 WIRESINGLE PHASEWHI-14WHIWHIWHIWHI/REDWHI/REDWHI/REDWHIWHIW

Page 3136102 090203T1T5 T3 T4T2BLK-14 BLK-14120V AC 2 WIRE120/208V AC 3 WIRE120/240V AC 3 WIRESINGLE PHASEWHI-14WHIWHIWHI/REDWHI/REDWHIWHI/GRNWHI/BLU

Page 4#00656.0000Optional Field Wiring120/208-240 V, 13.9-15.6 A, 2640-3400 W1PH, 3-Wire, 60HZ#34955.0001ONE WARMER MODELS#34955.0003THREE WARMER BREW

Page 536102 090203ELECTRICAL REQUIREMENTSCAUTION - The brewer must be disconnected from the power source until specified in Initial Set-Up.Requires 2-

Page 61. Flush the water line and securely attach it to the inlet flare.2. Turn on the water supply.3. On faucet models, place an empty vessel beneath

Page 736102 090203INITIAL SET-UPCAUTION - The brewer must be disconnected from the power source throughout the initial set-up, except whenspecified in

Page 836102 0902032. Setting batch sizes. To set a batch volume, first check that the SET/LOCK switch is in the "SET" position onthe circuit

Page 936102 090203TROUBLESHOOTINGA troubleshooting guide is provided to suggest probable causes and remedies for the most likely problemsencountered.