Bunn H5X Wartungshandbuch

H5EH5X10420.0000G 7/00 © 1989 BUNN-O-MATIC CORPORATIONBUNN-O-MATIC CORPORATIONPOST OFFICE BOX 3227SPRINGFIELD, ILLINOIS 62708-3227PHONE: (217

10SERVICE (cont.)Electronic ControlsLocation:The electronic control assembly is located inside the rear of the dispenser. Access will also be needed t

11SERVICE (cont.)Electronic Controls (cont.)Liquid Level Control Test Procedure1. Disconnect the dispenser from the power source.2. Check the voltage

12SERVICE (cont.)Electronic Controls (cont.)7. Reconnect the pink wire to terminal 5 of the elec-tronic control assembly.8. Loosen the compression fit

13SERVICE (cont.)Electronic Controls (cont.)If the indicator was on or blinking, the temperature sen-sor is operating properly, proceed to #7.If the

14SERVICE (cont.)Electronic Controls (cont.)Electronic Controls Removal and ReplacementNOTE - Each electronic control assembly is calibratedto a tempe

15SERVICE (cont.)Electronic Controls (cont.)AdjustmentsThis dispenser can maintain any temperature between85 and 208°F by selecting and setting one of

16ONOFFSERVICE (cont.)Limit ThermostatLocation:The limit thermostat is located on the tank lid.To test the limit thermostat, access will also be neede

17SERVICE (cont.)Safety Overflow SwitchLocation:The safety overflow switch is located inside the rear ofthe dispenser inside the copper overflow cup.F

18SERVICE (cont.)Solenoid ValveLocation:The solenoid valve is located inside the rear of the dis-penser on the right side near the bottom.To test the

19SERVICE (cont.)Tank HeaterLocation:The tank heater is located in the tank lid.Test Procedure:1. Disconnect the dispenser from the power source.2. Ch

2CONTENTSIntroduction ... 2Warranty ... 2User Notices

20TANKHEATERSWELECTRONICCONTROLASSYLIMITTHERMOSTATSCHEMATIC WIRING DIAGRAM H5XBLUBLU100-120 VOLTS A C2 WIRESINGLE PHASE 10410.0000E 6/91 © 1989

21LIMITTHERMOSTATSCHEMATIC WIRING DIAGRAM H5EBLUBLU100-120 VOLTS A C2 WIRESINGLE PHASE 10331.0000G 8/99 © 1989 BUNN-O-MATIC CORPORATIONL1NWHI/VIO

312593.000000831.000010044.0000USER NOTICESThe notices on this dispenser should be kept in good condition. Replace unreadable or damaged labels.00656

4ELECTRICAL REQUIREMENTSCAUTION - The dispenser must be disconnected from the power source until specified in Initial Set-Up.This dispenser requires 2

5INITIAL SET-UPCAUTION - The dispenser must be disconnected from the power source throughout the initial set-up, exceptwhen specified in the instructi

6TROUBLESHOOTINGA troubleshooting guide is provided to suggest probable causes and remedies for the most likely problemsencountered. If the problem re

7TROUBLESHOOTING (cont.)Problem Probable Cause RemedyAutomatic refill will not operateafter drawing hot water.Water flows into the tank con-tinuously

8TROUBLESHOOTING (cont.)Problem Probable Cause RemedyWater boils continuously.Dispenser is making unusualnoises.Ready indicator will not light.(when t

9SERVICEThis section provides procedures for testing andreplacing various major components used in this dis-penser should service become necessary. Re