Manual de instrucciones de PVI Industries

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MODEL NO. ______________

SERIAL NO. ______________


GENERAL INSTRUCTIONS
For the
INSTALLATION,
OPERATION and MAINTENANCE
of
DURAWATT EXR
WATER HEATERS




This water heater is equipped with an Since the thermostat temperature setting
adjustable thermostat to control water could be set too high, adjust the thermostat
temperature. Hot water temperatures temperature setting to 125°F or lower.
required for automatic dishwasher and Lower settings help reduce risk of scald
laund

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DURAWATT EXR WATER HEATER TYPICAL CONSTRUCTION Figure 33-1 1. Status lights 7. Fuses (GRN-Power on; YEL-Elements on; 8. Contactors RED-Over temp or low water 9. Step-down transformer (optional) 2. Float low water cutoff 10. Primary heating element (NEMA 7) 3. Temperature limiting device 11. Operating thermostat (Set at 190°F) (Set at 120°F, adjustable from 80°F to 185°F) 4. Temperature & pressure relief valve 12. Secondary heating element (NEMA 7) 5. Cont

Resumen del contenido incluido en la página 3

DURAWATT EXR WATER HEATER ELECTRICAL CONNECTIONS 1. Check rating plate on water heater for correct voltage, phase and amperage. Refer to wiring diagram for control component identification. 2. Use a proper wire size and branch circuit protection as required by the National Electrical Code and state/local codes. PVI electric water heater specification sheets show number and size of power connectors furnished with the heater for a minimum 90°C copper connecting wire. 3. Use correct

Resumen del contenido incluido en la página 4

DURAWATT EXR WATER HEATER 8. Open water outlet valve. Water heater is ready for operation. Heat up time will be dependent on input and tank capacity. 9. After startup and with the water heater operating, allow the water in the tank to reach desired temperature and the heating elements shut off. Draw hot water from a nearby outlet valve until the heating elements energize. This will assure proper operation of the heating elements, thermostat and other operating controls. MAINTENANC