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Resumen del manual
If the sound is not heard as described, replace the solenoid valve. Removal and Replacement: 1. Remove all wires from solenoid valves. 2. Turn off the water supply to the brewer. 3. Disconnect the water lines to and from the solenoid valves. 4. Remove the two #8-32 keps nuts holding the mounting bracket to the brewer base. 5. Lift out the bracket. 6. Remove the two #10-32 slotted-head screws holding the solenoid valve to the mounting bracket. 7. Securely install the new solenoid valve to the mounting bracket. 8. Attach the mounting bracket to the brewer base. 9. Securely fasten the water lines to and from the solenoid valves. 10. Refer to the Fig. 3 when reconnecting the wires. 10145 072600 Page 15 SERVICE (cont.) BREW SOLENOID VALVE (cont.) FIG.3 SOLENOID VALVE TERMINALS P1834 BREW SOLENOID BREW SOLENOID DILUTION SOLENOID RT RESERVOIR DILUTION SOLENOID LT RESERVOIR DILUTION SOLENOID WHI/BLU to Dilution Timer TL4 BRN/BLK to Selector Switch YEL to Selector Switch WHI/GRN to Brew Timer TL4 WHI/VIO to Brew Timer TL1 T6 WHI/BLU to Dilution Timer TL4 WHI/VIO to Brew Solenoid WHI/VIO to Brew Timer TL1 WHI/GRN to BREW Timer TL4 WHI/VIO to Dilution Solenoid T3 10145 072600 Page 16 SERVICE (cont.) BREW TIMER FIG. 4 BREW TIMER P1833 OLD STYLE Location: The brew timer is located in the hood. It consists of the left dial plate and circuit board. Test Procedure: 1. Disconnect the brewer from the power source. 2. Remove the wires from terminals TL3, TL4, & TL5 of the timer and rotate the dial fully counterclockwise. 2. With a voltmeter, check the voltage across terminals TL1 and TL2 when the ON/OFF or SELECTOR switch is in the “ON” (T3 left, T6 left or right) position. Connect the brewer to the power source. The indication must be: a) 120 volts ac for two wire 120 volt models. b) 240 volts ac for two wire 240 volt models. c) 100 volts ac for two wire 100 volt models. 3. Disconnect the brewer from the power source. If voltage is present as described, proceed to #4. If voltage is not present as described, refer to the Wiring Diagramsand check the wiring harness. 4. Check for continuity across the white/orange and white/yellow wires when the start switch is held in the lower position. If continuity is present as described, refer to Fig. 5 and reconnect the wires to terminals TL3, TL4, & TL5 of the timer board and proceed to #5. If continuity is not present as described, refer to the Wiring Diagramsand check the wiring harness. 5. Check the voltage across terminals TL1 and TL4 with a voltmeter when the ON/OFF or SELECTOR switch is in the “ON” (T3 left, T6 left or right) position and the start switch is momentarily placed in the lower position. Connect the brewer to the power source. The indication must be: a) 120 volts ac for two wire 120 volt models for approximately twenty seconds and then return to its previous indication. b) 240 volts ac for two wire 240 volt models for approximately twenty seconds and then return to is previous indication. c) 100 volts ac for two wire 100 volt models for approximately twenty seconds and then return to its previous indication. 6. Disconnect the brewer from the power source. If voltage is present as described, the timer is operating properly. Adjust the timer dial as required. If voltage is not present as described, replace the timer. Removal and Replacement: 1. Remove all wires from the timer. 2. Remove the circuit board and dial plate from the brackets. 3. Install the new timer circuit board as described in the Late Model TimerSection. 4. Refer to Fig. 7 when reconnecting the wires. 5. Install the Timer Setting Decal, provided with the timer replacement kit, to the rear of the schematic, on the top cover. 5. Adjust the timer as required. Refer to Late Model TimerSection. FIG. 5 BREW TIMER TERMINALS 10145 072600 WHI to Power Cord (100V & 120V) or RED to Power Connector (240V) WHI to Dilution Timer (100V & 120V) or RED to Dilution Timer (240V) WHI/VIO to Dilution Timer WHI/VIO to ON/OFF Switch WHI/ORN to Start Switch WHI/GRN to Brew Solenoid WHI/YEL to Start Switch PNK to Selector Switch (Half Batch Option Only) GRY to Selector Switch (Half Batch Option Only) P1279 Page 17 SERVICE (cont.) DIGITAL BREW TIMER (Late Models) FIG. 6 DIGITAL BREW TIMER P2207.50 Location: The timer is located inside the hood, attached to the left side. Test Procedure. NOTE: Do not remove or install wires while timer board is installed. Pressure applied to one side may cause damage to the board. 1. Disconnect the brewer from the power source and remove the front access panel. 2. Remove the two #8-32 screws securing circuit board to the mounting bracket. 3. Remove circuit board and spacers (as required). 4. With a voltmeter, check the voltage across terminals TL1 and TL2 when the "ON/OFF" switch is in the "ON" position. Connect the brewer to the power source. The indication must be: a) 120 volts ac for two wire 120 volt models. b) 240 volts ac for two wire 240 volt models. c) 100 volts ac for two wire 100 volt mod...
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