Bunn H5M - Manuals - manualsarea.com

Page 2 - workmanship for two years from the date of installation.

2 CONTENTS Introduction ................................................. 2Warranty ...................................................... 2User Notices ................................................ 3Electrical Requirements ............................... 4Plumbing Requirements .....................

Page 4 - ELECTRICAL REQUIREMENTS; CAUTION; PLUMBING REQUIREMENTS; COLD WATER

4 ELECTRICAL REQUIREMENTS CAUTION - The dispenser must be disconnected from the power source until specified in Initial Set-Up. The H5M dispenser requires 2-wire, grounded service rated 120, 208, or 240 volts ac, 20 amp, single phase.The H5MA, 230V-CE dispenser requires 2-wire, grounded service rate...

Page 5 - when specified in the instructions.; DRAINING THE DISPENSER

5 INITIAL SET-UP CAUTION - The dispenser must be disconnected from the power source throughout the initial set-up, except when specified in the instructions. 1. Remove the upper rear panel and rotate the control thermostatknob fully counterclockwise to the “OFF” position and replacethe panel. 2. Con...

Page 6 - TROUBLESHOOTING; WARNING

6 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 Tech-nical Service Department. • Inspection, testing, and repair of elec...

Page 8 - Water boils continuously.; CAUTION –

8 TROUBLESHOOTING (cont.) Problem Probable Cause Remedy Water boils continuously. Dispenser is making unusualnoises. Ready indicator will not light.(when temperature is within 4 ° of its selected setting.) 1. Temperature control 2. Lime build-up 1. Solenoid valve 2. Plumbing lines 3. Water supply 1....

Page 9 - SERVICE; This section provides procedures for testing and; Component Access; Disconnect the dispenser from the power; WARNING –; Inspection, testing, and repair of electrical

9 SERVICE This section provides procedures for testing and replacing various major components used in this dis-penser should service become necessary. Refer toTroubleshooting for assistance in determining the causeof any problem. Component Access WARNING – Disconnect the dispenser from the power sou...

Page 12 - Solenoid Valve

12 SERVICE (cont.) Solenoid Valve Location:The solenoid valve is located inside the rear of the dis-penser on the right side near the bottom. 6. Check the solenoid valve for coil action. Connect the dispenser to the power source. Listen carefullyin the vicinity of the solenoid valve for a “clicking”...

Page 14 - FIG. 10 THERMOSTAT WIRING; BLU/BLK to Limit Thermostat; Thermostat

14 FIG. 10 THERMOSTAT WIRING BLU/BLK to Limit Thermostat BLK to Terminal Block P1782 SERVICE (cont.) Thermostat Location: The mechanical thermostat is located insidethe upper rear panel. To test the thermostat, accesswill also be needed to the terminal block located insidethe bottom access panel. Te...

Page 15 - Liquid Level Board; wire from terminal 4 of the circuit board.

15 SERVICE (cont.) Liquid Level Board Location:The liquid level board is located inside the lowerpanel. Test Procedure:1. Disconnect the dispenser from the power source.2. Remove the blue wire from terminal 1 and the pink wire from terminal 4 of the circuit board. 3. Check the voltage across termina...

Page 17 - Contactor

17 Location: The contactor is located on the component bracket inside the lower rear panel. Test Procedures:1. Disconnect the dispenser from the power source.2. Disconnect the black wire from the contactor coil to the limit thermostat and black wire from the redwire on the main harness on two wire 2...

Page 18 - RED from Main Harness; FIG.14 CONTACTOR WIRING

18 BLK to left TankHeater RED to Terminal Block(L2) BLK to TerminalBlock (L1) RED to RightTank Heater BLK to LimitThermostat RED from Main Harness P1725 FIG.14 CONTACTOR WIRING contactor.Removal and Replacement:1. Disconnect all the wires from the contactor.2. Remove the two #8-32 screws securing th...

Page 19 - WIRING DIAGRAMS

19 4 3 1 2 LIQUID LEVEL BOARD BLU/BLK TANK HEATER 120 VOLTS A C 2 WIRE SINGLE PHASE 10243.0000D 1/99 © 1987 BUNN-O-MATIC CORPORATION SCHEMATIC WIRING DIAGRAM H5M L1 N BLK BLK BLK SOL WHI GREEN BLU WHI WHI BLK BLK (PROBE) P N K RED RED BLK SW&THERMOSTAT OPTIONALREADY INDICATOR OVERFLOW PROTECTION...