Manuel d'utilisation / d'entretien du produit H5X du fabricant Bunn
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BUNN-O-MA TIC CORPORA TION POST OFFICE BOX 3227 SPRINGFIELD, ILLINOIS 62708-3227 PHONE: (217) 529-6601 FAX: (217) 529-6644 www .bunnomatic.com H5E H5X 10420.
2 CONTENTS Introduction ................................................. 2 Warranty ...................................................... 2 User Notices ................................................ 3 Electrical Requirements .....................
3 12593.0000 00831.0000 10044.0000 USER NOTICES The notices on this dispenser should be kept in good condition. Replace unreadable or damaged labels. 00656.
4 ELECTRICAL REQUIREMENTS CAUTION - The dispenser must be disconnected from the power source until specified in Initial Set-Up. This dispenser requires 2-wire, grounded service rated 120, 208, or 240 volts ac, 20 amp, single phase. (Refer to the dispenser’s dataplate for exact voltage requirement.
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 place the tank heater switch in the “OFF” position and replace the panel.
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 T ech- nical Service Department.
7 TROUBLESHOOTING (cont.) Problem Probable Cause Remedy Automatic refill will not operate after drawing hot water . Water flows into the tank con- tinuously (Dispenser discon- nected from power sour ce). Water flows into the tank con- tinuously (Dispenser connected to power source).
8 TROUBLESHOOTING (cont.) Problem Probable Cause Remedy Water boils continuously . Dispenser is making unusual noises. Ready indicator will not light. (when temperature is within 4 ° of its selected setting.) 1. T emperature control 2. Lime build-up 1.
9 SERVICE This section provides procedures for testing and replacing various major components used in this dis- penser should service become necessar y .
10 SERVICE (cont.) Electronic Controls Location: The electronic control assembly is located inside the rear of the dispenser . Access will also be needed to the temperature sensor , over flow tube temperature sensor , and liquid level probe located on the tank lid and to the triac assembly located beneath the tank.
11 SERVICE (cont.) Electronic Controls (cont.) Liquid Level Control Test Procedure 1. Disconnect the dispenser from the power sour ce. 2. Check the voltage across terminals 3 & 4 of the electronic control assembly with a voltmeter . Con- nect the dispenser to the power sour ce.
12 SERVICE (cont.) Electronic Controls (cont.) 7. Reconnect the pink wire to terminal 5 of the elec- tronic control assembly . 8. Loosen the compression fitting, remove the probe from the tank lid, and inspect it for mineral depos- its. Replace it if necessary .
13 SERVICE (cont.) Electronic Controls (cont.) If the indicator was on or blinking, the temperature sen- sor is operating properly , proceed to #7. If the indicator was off, check the sensor connection on the electronic control cir cuit board and/or replace the temperature sensor and the electronic control as- sembly .
14 SERVICE (cont.) Electronic Controls (cont.) Electronic Controls Removal and Replacement NOTE - Each electronic control assembly is calibrated to a temperature sensor probe. Both components MUST be replaced as a set. 1. Remove all wires from the electronic control as- sembly terminals.
15 10420 060305 SERVICE (cont.) Electronic Controls (cont.) Adjustments The H5X dispenser holds the water temperature at the threshhold of boiling. It is not adjustable by the user . The H5E dispenser is factory calibrated for the tem- perature specified on the data plate.
16 SERVICE (cont.) Limit Thermostat Location: The limit thermostat is located on the tank lid. T o test the limit thermostat, access will also be needed to the terminal block located at the rear of the dispenser . If voltage was present as described, reconnect the black wire and proceed to #5.
17 SERVICE (cont.) Safety Overflow Switch Location: The safety overflow switch is located inside the rear of the dispenser inside the copper overflow cup. For testing or removal of the safety overflow switch, access may also be needed by removing the two screws attaching the electronic control assembly to its mount- ing bracket.
18 SERVICE (cont.) Solenoid Valve Location: The solenoid valve is located inside the rear of the dis- penser on the right side near the bottom. T o test the solenoid valve, access will also be needed to the electronic control assembly . 7. Check the solenoid valve for coil action.
19 SERVICE (cont.) Tank Heater Location: The tank heater is located in the tank lid. Test Procedure: 1. Disconnect the dispenser from the power sour ce. 2. Check the voltage across the terminals of the tank heater with a voltmeter . Connect the dispenser to the power sour ce.
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22 TANK HEATER SW ELECTRONIC CONTROL ASSY 230 VOLTS A C 2 WIRE SINGLE PHASE LIMIT THERMOSTAT SCHEMATIC WIRING DIAGRAM H5XA, H5EA BLU BLU 10332.0001B 09/02 © 2002 BUNN-O-MATIC CORPORATION L1 N WHI/VIO.
Un point important après l'achat de l'appareil (ou même avant l'achat) est de lire le manuel d'utilisation. Nous devons le faire pour quelques raisons simples:
Si vous n'avez pas encore acheté Bunn H5X c'est un bon moment pour vous familiariser avec les données de base sur le produit. Consulter d'abord les pages initiales du manuel d'utilisation, que vous trouverez ci-dessus. Vous devriez y trouver les données techniques les plus importants du Bunn H5X - de cette manière, vous pouvez vérifier si l'équipement répond à vos besoins. Explorant les pages suivantes du manuel d'utilisation Bunn H5X, vous apprendrez toutes les caractéristiques du produit et des informations sur son fonctionnement. Les informations sur le Bunn H5X va certainement vous aider à prendre une décision concernant l'achat.
Dans une situation où vous avez déjà le Bunn H5X, mais vous avez pas encore lu le manuel d'utilisation, vous devez le faire pour les raisons décrites ci-dessus,. Vous saurez alors si vous avez correctement utilisé les fonctions disponibles, et si vous avez commis des erreurs qui peuvent réduire la durée de vie du Bunn H5X.
Cependant, l'un des rôles les plus importants pour l'utilisateur joués par les manuels d'utilisateur est d'aider à résoudre les problèmes concernant le Bunn H5X. Presque toujours, vous y trouverez Troubleshooting, soit les pannes et les défaillances les plus fréquentes de l'apparei Bunn H5X ainsi que les instructions sur la façon de les résoudre. Même si vous ne parvenez pas à résoudre le problème, le manuel d‘utilisation va vous montrer le chemin d'une nouvelle procédure – le contact avec le centre de service à la clientèle ou le service le plus proche.
