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INITIAL SET-UP

CAUTION -

The dispenser must be disconnected from the power source

throughout the initial set-up, except when specified in the instructions.

Remove the upper rear panel and rotate the control thermostat knob

fully counterclockwise to the “OFF” position and replace the panel.

Connect the dispenser to the power source and turn-on the water

supply.

Water will automatically flow into the tank to the proper level and

shut-off. This will take approximately 10 minutes.

Disconnect the dispenser from the power source, remove the upper

rear panel and place the control thermostat knob fully clockwise to

the “ON” position, and replace the panel.

Connect the dispenser to the power source and wait approximately

twenty minutes for the water in the tank to heat.

On models with ready indicator, the indicator will glow when the

proper water temperature for use is achieved.

P1781

Plumbing Hook-Up

1. Flush the water line and securely attach it to the flare fitting on

the rear of the dispenser.

2. Turn-on the water supply.

10267 101507

P1770

DRAINING THE DISPENSER

CAUTION -

The dispenser must be disconnected from the power source throughout these steps.

1. Disconnect the dispenser from the power source.

2. Shut-off and disconnect the incoming water supply

3. Remove the 4-40 screws at the sides of the top panel.

4. Gently remove one of the grommets from the tank lid.

5. Insert a tube to the bottom of the tank and syphon ALL of the water out. Bunn-O-Matic has a syphon assembly avail-

able (#12440.0000) for this purpose.

NOTE -

The dispenser must be full using the INITIAL SET-UP steps before reconnecting to the power source.

CLEANING

The use of a damp cloth rinsed in any mild, non-abrasive, liquid detergent is recommended for cleaning all surfaces

on Bunn-O-Matic equipment.

WALL MOUNTED INSTALLATION

If the dispenser is wall mounted, the bottom of the dispenser should be at the same height as a counter or table top.

Use B.O.M. part #12542.0000 for side mounted Wall Bracket Kit or # 13125.0001 for front mounted Wall Bracket Kit .

SUPPORT FOR LARGE RECEPTACLES

CAUTION:

If the dispenser is to be used with larger receptacles such as pitchers or pots, those receptacles must be

adequately supported during dispensing of hot water to avoid spillage of very hot water. This support may be provided by

a table or counter top, or use B.O.M. part #12599.0000 Shelf Kit

Содержание H5M

Страница 1: ...vision of the Operating Manual or to view the Illustrated Parts Catalog Programming Manual or Service Manual please visit the Bunn O Matic website at www bunn com This is absolutely FREE and the quickest way to obtain the latest catalog and manual updates For Technical Service contact Bunn O Matic Corporation at 1 800 286 6070 10267 0000G 04 09 1988 Bunn O Matic Corporation ...

Страница 2: ...ccordingly statements by such individuals whether oral or written do not constitute warranties and should not be relied upon If BUNN determines in its sole discretion that the equipment does not conform to the warranty BUNN at its exclusive option while the equipment is under warranty shall either 1 provide at no charge replacement parts and or labor during the applicable parts and labor warranty ...

Страница 3: ...ust be installed to comply with the International Plumbing Code of the International Code Council and the Food Code Manual of the Food and Drug Adminis tration FDA For models installed outside the U S A comply with the applicable Plumbing Sanitation Code WARNING Fill water tank before turning on thermostat or connecting appliance to power source Use only on a properly protected circuit capable of ...

Страница 4: ...ends 1 4 tubing for installations of less than 25 feet and 3 8 for more than 25 feet from the 1 2 watersupplyline Atleast18inchesofanFDAapprovedflexiblebeveragetubing suchasreinforcedbraidedpolyethylene or silicone before the dispenser will facilitate movement to clean the countertop Bunn O Matic does not recommend the use of a saddle valve to install the dispenser The size and shape of the hole m...

Страница 5: ...TION The dispenser must be disconnected from the power source throughout these steps 1 Disconnect the dispenser from the power source 2 Shut off and disconnect the incoming water supply 3 Remove the 4 40 screws at the sides of the top panel 4 Gently remove one of the grommets from the tank lid 5 Insert a tube to the bottom of the tank and syphon ALL of the water out Bunn O Matic has a syphon assem...

Страница 6: ... a supply of water The use of two wrenches is recommended whenever plumbing fittings are tightened or loosened This will help to avoid twists and kinks in the tubing Make certain that all plumbing connections are sealed and electrical connections tight and isolated This dispenser is heated at all times Keep away from combustibles WARNING Exercise extreme caution when servicing electrical equipment...

Страница 7: ...ner flow control and check for obstructions Clear or replace Refer to Service safety overflow switch for testing procedures See page 11 Refer to Service liquid level board for testing procedures See page 15 Refer to Service solenoid valve for test ing procedures See page 12 Refer to Service solenoid valve for test ing procedures See page 12 Refer to Service liquid level board for testing procedure...

Страница 8: ...n top of the solenoid valve must be tight or it will vibrate during operation Plumbing lines should not be resting on the counter top A The dispenser must be connected to a cold water line B Water pressure to the dispenser must not be higher than 90 psi 620 kPa Install a regulator if necessary to lower the work ing pressure to approximately 50 psi 345 kPa Refer to Service control thermostat for te...

Страница 9: ...ctrical equipmentshouldbeperformedonlybyqualifiedservice personnel Disconnect the dispenser from the power source when servicing except when electrical tests are required and the test procedure specifically states to connect the dispenser to the power source Contactor 17 Limit Thermostat 10 Liquid Level Board 15 Safety Overflow Switch 11 Solenoid Valve 12 Tank Heater 13 Control Thermostat 14 The c...

Страница 10: ...e with two 10 32 nuts 4 Refer to FIG 2 when reconnecting the wires Test Procedure 1 Disconnect the dispenser from the power source 2 Remove the blue black wire at the limit thermostat coming from the control thermostat 3 Check the voltage across the blue black wire and the black wire at the tank heater with a voltmeter Connect the dispenser to the power source The indication must be a 100 to 120 v...

Страница 11: ...bed replace the safety overflow switch FIG 3 SAFETY OVERFLOW SWITCH FIG 4 SAFETY OVERFLOW WIRING RED to BLK Wire from Terminal Block RED to BLK Wire from Liquid Level Board 2 P1793 P1777 Removal and Replacement 1 Disconnect the black wires from the safety overflow switch 2 Remove the nut beneath the copper overflow cup 3 Remove the entire switch assembly from the cup 4 Place the new switch assembl...

Страница 12: ...ng bracket 7 Securely install the new solenoid valve to its mount ing bracket The direction of flow arrow must be pointing towards the tank lid 8 Attach the solenoid valve and mounting bracket to the component bracket 9 Securely fasten the water lines to and from the solenoid valve 10 Reconnect the wires FIG 6 Test Procedure 1 Disconnect the dispenser from the power source and turn off the water s...

Страница 13: ...RING BLK to Limit Thermostat or BLK to Contactor WHI to Terminal Block or RED to Contactor P1780 P1793 4 Remove the tank heater from the tank lid and in spect it for cracks in the sheath If the sheath shows no sign of damage proceed to 5 If the sheath is damaged replace the tank heater 5 Check for continuity across the tank heater termi nals If continuity is present as described reinstall the tank...

Страница 14: ...er mostat is turned ON fully clockwise Connect the dispenser to the power source The indication must be as described in step 2 Voltage must not be indicated when the thermostat is turned OFF fully counterclockwise 5 Disconnect the dispenser from the power source P1781 If voltage is present as described the thermostat is operating properly If voltage is not present as described replace the thermost...

Страница 15: ...be a 100 to 120 volts ac for 100 to 120 volt mod els b 200 to 240 volts ac for 200 to 240 volt mod els c 230 volts ac for 230 volt models after a delay of approximately 5 seconds 8 Touch the free end of jumper wire to the dispenser housing The indication must be 0 9 Move the jumper wire away from the dispenser housing The indication must again be a 100 to 120 volts ac for 100 to 120 volt mod els b...

Страница 16: ...e level control board and level probe are operating properly If voltage is not present as described check the pink probe wire SERVICE cont Liquid Level Board cont FIG 12 LIQUID LEVEL BOARD WIRING BLU to Solenoid T 1 BLK to Overflow Safety Switch T 2 WHI to Terminal Block T 3 PNK to Level Probe T 4 P1784 Removal and Replacement 1 Remove all wires from the level control board 2 Remove two 8 32 screw...

Страница 17: ...uity is not present as described replace the contactor 6 Check the voltage across the upper left terminal and the upper right terminal on the contactor with a voltmeter Connect the dispenser to the power source The indication must be a 240 volts ac for 240 volt models b 230 volts ac for 230 volt models 7 Disconnect the dispenser from the power source If voltage is present as described proceed to 8...

Страница 18: ...Replacement 1 Disconnect all the wires from the contactor 2 Remove the two 8 32 screws securing the con tactor to the contactor mounting bracket remove contactor and protective shield Discard contac tor SERVICE cont Contactor cont 3 Install new contactor with shield between mounting bracket and contactor and secure with two 8 32 screws 4 Refer to Fig 14 and reconnect the wires 10267 011599 ...

Страница 19: ...MOSTAT GRN BLK L1 N BLK WHI MAIN ON OFF SWITCH Late Models only 4 3 1 2 LIQUID LEVEL BOARD BLK BLK BLK BLK SW THERMOSTAT 10262 0000D 01 07 1987 BUNN O MATIC CORPORATION SCHEMATIC WIRING DIAGRAM H5M BLK SOL GREEN BLU BLK BLK PROBE P N K RED RED RED BLU BLK BLK BLK RED RED BLK N O N O K RED RED RED TANK HEATER 208 or 240 VOLTS A C 2 WIRE GND SINGLE PHASE OPTIONAL READY INDICATOR OVERFLOW PROTECTION ...

Страница 20: ... BUNN O MATIC CORPORATION SCHEMATIC WIRING DIAGRAM H5MA 230V CE L1 L2 SOL GREEN BLU BLK BLK PROBE P N K RED RED RED BLU BLK BLK RED 12 BLK 12 N O N O K RED RED RED TANK HEATER 230 VOLTS A C 2 WIRE SINGLE PHASE OVERFLOW PROTECTION SWITCH N C LIMIT THERMOSTAT LIMIT THERMOSTAT 10267 040709 ...

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