Manual de instrucciones de PVI Industries QUICKDRAW PV500-26

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INSTALLATION & MAINTENANCE MANUAL
®
QuickDraw Storage and Semi-instantaneous
Boiler Water Heaters



Installation and service must be performed by a qualified service installer, service agency or the utility supplier.

IMPORTANT: THIS MANUAL CONTAINS INFORMATION REQUIRED FOR INSTALLATION, OPERATION AND
MAINTENANCE OF THIS EQUIPMENT. READ AND FOLLOW ALL INSTRUCTIONS, LABELS AND MARKINGS
BEFORE INSTALLING, OPERATING OR SERVICING THIS UNIT.










TABLE OF CONTENTS

TOPI

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® QUICKDRAW Boiler Water Heater 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. Contact the freight carrier immediately if any damage or shortage is detected. WARRANTY Factory warranty does not cover improper installation or op

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® QUICKDRAW Boiler Water Heater INSTALLATION WARNING: Use industry standard safe rigging methods when attempting to lift or move this product. Failure to follow these instructions could result in property damage, serious injury or death. One common method includes the use of straps and spreader bars, lifting from the water heater base skid assembly. 1. Check the data decal on the heater. Be sure the electrical supply is adequate for the installation. 2. Carefully remove all shi

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® QUICKDRAW Boiler Water Heater ® Typical QuickDraw Storage Construction ® Typical QuickDraw Instantaneous Construction 1. U-tube Heat Exchanger 5. Potable Water Inlet 2. Tank Drain 6. Steam Inlet 3. Control Enclosure 7. Potable Water Outlet 4. Relief Valve (AGA optional) 8. Condensate Outlet Note: Components, controls and connection locations may vary. 4

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® QUICKDRAW Boiler Water Heater 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. Some examples are: HOMES FOR THE MENTALLY HANDICAPPED HOMES FOR THE PHYSICALLY HANDICAPPED HOSPITALS AND NURSING H

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® QUICKDRAW Boiler Water Heater WATER INLET / OUTLET CONNECTIONS Important: Do not use galvanized or steel pipe nipples when making waterside connections. Use non-ferrous nipples only. Make inlet and outlet water connections directly to the threaded bolt-on bronze tank flanges. Over tightening connections to the flanges may cause damage to the flange or tank and are not covered by warranty. For ease of service, install unions on inlet and outlet piping to the unit. Do not use galvaniz

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® QUICKDRAW Boiler Water Heater 3. When the demand is satisfied, the limit operating circuit opens and the valve actuator is de-energized. The actuator motor stops running and the actuator shaft spring returns to the retracted position causing the boiler water to divert through the bypass ports and return to the boiler water supply loop. START-UP PROCEDURE 1. When placing the unit into operation, open relief valve to purge air from top of tank and begin to fill the tank with cold

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® QUICKDRAW Boiler Water Heater 6. In all installations, there should be no pulsation or water hammer since this causes vibration and strain with resulting leaks. 7. Retighten bolting on all gasketed joints after the heat exchanger has reached temperature to prevent leaks and gasket failures. Retightening should be done uniformly and in a diametrically staggered pattern (see “Maintenance”). a. On high pressure and high temperature applications or any application where spiral wound

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® QUICKDRAW Boiler Water Heater and cleaning frequency is established, initially inspect the tank every six months or more frequently if higher scaling conditions are present. Flush the tank at two or three-month intervals depending on water conditions in your location to help prevent the accumulation of scale. To flush: turn off electrical disconnect switch to prevent the unit from operating. Open the drain valve and allow water to flow through the tank until it runs clear. Close the

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® QUICKDRAW Boiler Water Heater 4. When replacing the heat exchanger head, use a torque wrench to tighten the bolts/studs and nuts. Use the following chart as a guide. All torque values apply to well-lubricated nut bearing surfaces. TIGHTENING TORQUES COMPRESSED FIBER GASKETS Recommended Bolt Torque Torque Max. Dia. ft-lbs Increment Torque 1/2" 40 5 60 5/8" 80 5 120 SPIRAL WOUND GASKETS Recommended Bolt/Stud Torque Torque Max. Dia. ft-lbs Increment Torque 1/2" 40 5