PVI Storage and Semi-instantaneous Steam Heaters PV500-25 Installation And Maintenance Manual
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PVI Storage and Semi-instantaneous Steam Heaters PV500-25 Installation And Maintenance Manual

Pvi industries llc quickdraw storage and semi-instantaneous steam heaters installation & maintenance manuals
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INSTALLATION & MAINTENANCE MANUAL
QuickDraw
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.
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.
PV500-25 10/07
®
Storage and Semi-instantaneous
Steam Heaters
PVI INDUSTRIES, LLC - P.O. Box 7124 - Fort Worth, Texas 76111 - 1-800-433-5654

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Summary of Contents for PVI Storage and Semi-instantaneous Steam Heaters PV500-25

  • Page 1: Table Of Contents

    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 - P.O. Box 7124 - Fort Worth, Texas 76111 - 1-800-433-5654 PV500-25 10/07 ®...

  • Page 2: Warranty

    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 3: Service Clearances

    7. The water heater is equipped with a temperature and pressure relief valve(s) rated for the input. Pipe the relief valve discharge to a suitable open drain. The drain pipe may not be smaller than the relief valve opening and must be secured to prevent it from lifting out of the drain under discharge pressure.

  • Page 4: Typical Construction

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

  • Page 5: Important Safety Notice

    ® QUICKDRAW Steam 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.

  • Page 6: Water Inlet/Outlet Connections

    RELIEF VALVE PIPING The water heater is supplied with a pressure and temperature relief valve, sized in accordance with ASME requirements. Each relief valve should be piped to a suitable floor drain. No reducing coupling or other restriction can be installed in the discharge line.

  • Page 7: Steam Valves

    Drain to atmosphere – (would require constant make-up of boiler water). Inadequate drainage of condensate can adversely affect heat transfer and limit the performance of the water heater. Please note damage to the water heater attributed to poor condensate drainage is not covered in the product warranty.

  • Page 8: Maintenance

    QUICKDRAW WARNING: Failure to operate the heat exchanger within the design pressure and temperature on the nameplate may result in damage to the heat exchanger and potential injury to adjacent personnel. 5. Open nearby hot water tap to maintain a flow of water through the tank when starting up units. Regulate flow of water through the tank to allow the steam valve(s) to cycle off and on.
  • Page 9 Open the drain valve and allow water to flow through the tank until it runs clear. Close the drain valve and turn the electrical switch back on. WARNING: Since PVI cannot control the use of the water heater, water conditions, or maintenance, the warranty on the water heater does not cover poor performance, structural failure, or leaking due to an excessive accumulation of scale.

  • Page 10: Tightening Torques

    QUICKDRAW CAUTION: When cleaning a tube bundle, tubes should not be hammered on with any metallic tool and, in case it is necessary to use scrapers, care should be exercised that the scraper is not sharp enough to cut the metal of the tubes. 4.
  • Page 11 ® QUICKDRAW Steam Heater 5. Tighten uniformly and in a diametrically staggered pattern as illustrated below: WARNING: It is extremely important to follow a proper tightening sequence. If not followed, the flanges can become cocked and a leak will result. When tightening flanges with spiral wound gaskets, if cocking occurs, the result can be deformation and non-repairable damage to the gaskets in addition to a...

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