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INSTALLATION & MAINTENANCE MANUAL
PVI DURAWATT
Installation and service must be performed by a qualified service installer, service agency or qualified electrical
contractor.
IMPORTANT:
THIS
MAINTENANCE OF THIS EQUIPMENT. READ AND FOLLOW THE INFORMATION IN THIS MANUAL AND ALL OTHER
PROVIDED INSTRUCTIONS, LABELS AND MARKINGS BEFORE INSTALLING, OPERATING OR SERVICING THIS UNIT.
TO THE INSTALLER: After installation, these instructions must be given to the equipment user or left near the appliance.
SPECIAL INSTRUCTIONS TO THE OWNER: Retain this manual for future reference. These instructions contain important
information that will help you in maintaining and operating this appliance.
PVI INDUSTRIES, LLC - Fort Worth, Texas 76111 - www.pvi.com - 1-800-433-5654
®
MANUAL
CONTAINS
ELECTRIC WATER HEATERS
INFORMATION
REQUIRED
FOR
INSTALLATION,
OPERATION
AND
PV500-6 05/13
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Summary of Contents for PVI PVI DURAWATT
- Page 1 INSTALLATION & MAINTENANCE MANUAL ® PVI DURAWATT ELECTRIC WATER HEATERS Installation and service must be performed by a qualified service installer, service agency or qualified electrical contractor. IMPORTANT: THIS MANUAL CONTAINS INFORMATION REQUIRED INSTALLATION, OPERATION MAINTENANCE OF THIS EQUIPMENT. READ AND FOLLOW THE INFORMATION IN THIS MANUAL AND ALL OTHER PROVIDED INSTRUCTIONS, LABELS AND MARKINGS BEFORE INSTALLING, OPERATING OR SERVICING THIS UNIT.
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Page 2: Table Of Contents
® DURAWATT ELECTRIC WATER HEATERS TABLE OF CONTENTS Safety Considerations Product Descriptions Water Heater Installation Checking Equipment Before You Install Codes Electrical Requirements Location Installation Service Clearances Clearances to Combustible Surfaces Electronic Low Water Cutoff Optional Equipment Shunt Trip Circuit Interrupter Time Sequencer Proportional Sequencer Start-up Procedures and Operation... -
Page 3: Safety Considerations
® DURAWATT ELECTRIC WATER HEATERS SAFETY CONSIDERATIONS WARNING: If the information in the supplied manual(s) is not followed exactly, a fire, electrical short or exposure to hazardous materials may result, causing property damage, personal injury or loss of life. FOR YOUR SAFETY ... - Page 4 ® DURAWATT ELECTRIC WATER HEATERS IMPORTANT SAFETY NOTE It takes only 5 seconds of skin contact with 140°F water to cause a second degree burn! You must protect against high water temperatures at all lavatories, tubs, showers and other points of hot water contact. Accidental scalding from high water temperatures is a greater risk in some types of installations.
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Page 5: Product Descriptions
® DURAWATT ELECTRIC WATER HEATERS PRODUCT DESCRIPTIONS Without 23” Diameter Tank Access FIGURE 1 With 23” Diameter Tank Access FIGURE 2 PV500-6 05/13... -
Page 6: Water Heater Installation
® DURAWATT ELECTRIC WATER HEATERS WATER HEATER INSTALLATION Checking Equipment Before You Install Inspect the unit completely upon receipt from the freight carrier before signing the bill of lading. Inspect the appliance and all accompanying parts for signs of impact or mishandling. Verify the total number of pieces shown on packing slips with those actually received. -
Page 7: Service Clearances
® DURAWATT ELECTRIC WATER HEATERS 4. Insulate hot water and return circulation lines. Also, if subject to freezing during shutdown or during operation, insulate all water piping and take whatever steps are necessary to keep the appliance and all water containing pipes and components from freezing. -
Page 8: Start-Up Procedures And Operation
® DURAWATT ELECTRIC WATER HEATERS START-UP PROCEDURES AND OPERATION WARNING: Turn off all electrical service to the appliance when accessing the controls located inside the control cabinet. The cabinet contains high voltage wiring and terminals. If the electrical service is not turned off and these wires or terminals are touched, a dangerous shock causing personal injury or loss of life could occur. - Page 9 ® DURAWATT ELECTRIC WATER HEATERS 6. Check for proper amperage with ammeter on power circuit. Amperage should not vary more than 5%, when under full load, from amperage shown on data plate. (Table 2). If amperage exceeds these limits, immediately turn off main manual disconnect and refer to Electric Water Heater Trouble Shooting Guide.
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Page 10: Element Continuity Checks
® DURAWATT ELECTRIC WATER HEATERS ELEMENT CONTINUITY CHECKS III. III. ELEMENT RATING CHECK OHM READING OPEN READING READING READING READING TERMINAL TO VOLT COILS NORMAL 1 LEG 2 LEGS 3 LEGS FLANGE OPEN OPEN OPEN ∞ ∞ Depending on the ∞... - Page 11 ® DURAWATT ELECTRIC WATER HEATERS TYPICAL SINGLE PHASE WIRING TYPICAL THREE PHASE WIRING FIGURE 4 FIGURE 6 TYPICAL WIRE TERMINATIONS FIGURE 5 FIGURE 7 REQUIRED WIRE SIZE Contactor Fuseholder Wire Size 600V – 30A 10 AWG 300V – 60A 6 AWG 600V –...
- Page 12 ® DURAWATT ELECTRIC WATER HEATERS FIGURE 9 FIGURE 10 3 Ø AMPS PER ELEMENT 1 Ø AMPS PER ELEMENT AMPS PER AMPS AMPS PER AMPS VOLTAGE TOTAL TOTAL *14 kW-600V 13 1/2 13 1/2 — — *7 kW-600V — — 18 kW-600V —...
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Page 13: Maintenance
® DURAWATT ELECTRIC WATER HEATERS MAINTENANCE A preventative maintenance program is required to ensure a long trouble-free life of the water heater. Maintenance Schedule COMPONENT OPERATION INTERVAL REQUIRED Tank Sediment Removal Every 3 Months Flushing Relief Valve Inspect Every 6 Months Test Electrical Connections Inspect... -
Page 14: Electrical Connections
® DURAWATT ELECTRIC WATER HEATERS Electrical Connections Check all electrical connections approximately one to two weeks after initial start-up to assure tightness. Heating and cooling from operation can loosen connections. Visually inspect wire terminal points for any discoloration on a monthly basis. -
Page 15: Cleaning Electric Elements
® DURAWATT ELECTRIC WATER HEATERS Cleaning Electric Elements ® Electric immersion INCOLOY sheath elements are wound at high wattage ratings and must be completely covered by water while in operation. Otherwise, they overheat and burn out. Scale from the water will collect on the sheathing of the element over a period of time and must be removed periodically to extend the life of the element. -
Page 16: Troubleshooting Guide
® DURAWATT ELECTRIC WATER HEATERS TROUBLESHOOTING GUIDE PROBLEM PROBABLE CAUSE CORRECTIVE ACTION Thermostat(s) Check to assure proper thermostat setting. Check continuity between all three thermostats or pressure Contactors will not pull in controls. Complete circuit. If one is open, it must be replaced. Control circuit switch is in OFF position Close switch. - Page 17 ® DURAWATT ELECTRIC WATER HEATERS PV500-6 05/13...
- Page 18 ® DURAWATT ELECTRIC WATER HEATERS , LLC 3209 Galvez Ave. Fort Worth, Texas 76111 1-800-433-5654 www.pvi.com ® PVI INDUSTRIES PV500-6 05/13...
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