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Bunn CDBC, CEZF service manual SERVICE cont TANK HEATER Cont

Models: CEZF CDBC

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SERVICE (cont.)

SERVICE (cont.)

TANK HEATER (Cont.)

17.Install tank assembly onto mounting brackets and secure in place with four #8-32 nuts.

18.Install tank lid and secure in place with eight #8-32 nuts.

19.Connect the two white wires of the tank warmer blanket.

20.Connect the limit thermostat to the front of the tank assembly.

21.Connect the green wire to the tank mounting bracket using #8-32 nut.

22.Connect the pink wire to the level probe.

23.Insert the temperature probe through the grom- met in the tank lid.

24.Install the elbow fitting of the vent hose into the grommet in the tank lid.

25.On brewers with faucet, connect the outlet water line of the faucet to the side of the tank and secure with clamp.

26.Connect the water supply tube from the solenoid to the bottom of the tank and secure with clamp.

27.Connect the water supply tube from the dispense valve to the side of the tank and secure with clamp.

28.Refer to FIG. 14 when reconnecting the tank heater wires.

29.Install access panels and covers and refer to Initial Set-upfor refill and operation.

BLK to Control Board

WHI or RED to Terminal

Block

P1856

FIG. 14 TANK HEATER WIRING

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Bunn CDBC, CEZF service manual SERVICE cont TANK HEATER Cont

Contents

PHONE BUNN-O-MATICCORPORATIONPOST OFFICE BOX SPRINGFIELD, ILLINOIS FAXCONTENTS INTRODUCTIONUSER NOTICES # #00656.0000 #00658.0000 #Page Electrical Hook-Up ELECTRICAL REQUIREMENTSPLUMBING REQUIREMENTS Plumbing Hook-UpREADY INDICATOR ON/OFF SWITCHBREW SWITCH OPERATING CONTROLSCLEANING INITIAL SET-UPCOFFEE BREWING CEZ-APS/TS/TSRADJUSTMENTS & OPTIONAL SETTINGS Adjusting Brew VolumesDisplaying Brew Temperature CDBC-APS/TC/TS/TSRADJUSTMENTS & OPTIONAL SETTINGSSetting Brew Temperature Setting Brew LockoutWater Sensing Threshold Adjustment Procedure Pulse Brew Setup ProcedureTROUBLESHOOTING TROUBLESHOOTING cont REFILL CIRCUIT PROBLEM PROBABLE CAUSEREMEDY TROUBLESHOOTING cont REFILL CIRCUIT cont PROBLEM PROBABLE CAUSEREMEDY Water does not heat to proper temperature TROUBLESHOOTING cont HEATING CIRCUITPROBLEM 2.Water not touching temperature probePROBABLE CAUSE TROUBLESHOOTING cont HEATING CIRCUIT contPROBLEM REMEDYPROBLEM TROUBLESHOOTING contHEATING CIRCUIT cont PROBABLE CAUSEPROBABLE CAUSE BREWING CIRCUITPROBLEM REMEDYTROUBLESHOOTING cont BREWING CIRCUIT cont PROBLEM PROBABLE CAUSEREMEDY PROBABLE CAUSE BREWING CIRCUIT contPROBLEM REMEDYfunnel Dry coffee grounds remain in the1. Sprayhead TROUBLESHOOTING contTHINGS TO CHECK DIAGNOSTICSCAUSE FLASHESSERVICE COMPONENT ACCESSContents SERVICE cont SERVICE cont CONTROL BOARD - Model CEZ-APS/TS/TSR FIG. 3 CONTROL BOARDSWITCH PANEL - Model CDBC-APS/TC/TS/TSR FIG. 4 SWITCH PANELSERVICE cont FIG. 5 ON/OFF SWITCH SERVICE contBREW SWITCH Start - Model CEZ-APS/TS/TSR FIG. 7 BREW SWITCHSERVICE cont SERVICE cont DISPENSE VALVE SERVICE cont LIMIT THERMOSTAT SERVICE cont TANK HEATER SERVICE cont TANK HEATER Cont SERVICE cont REFILL VALVE FIG. 15 REFILL VALVESCHEMATIC WIRING DIAGRAM CDBC-APS/TS/TSR 120V AC 2 WIRE 120/208V AC 3 WIRE120/240V AC 3 WIRE LEVELSINGLE PHASE EARLY MODELS120/208V AC 3 WIRE SCHEMATIC WIRING DIAGRAM CEZ-APS/TS/TSR120V AC 2 WIRE 120/240V AC 3 WIRE120/240V AC 3 WIRE 120V AC 2 WIRE120/208V AC 3 WIRE CDBC 15, 20 & 35 APS/TC/TS