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INSTALLATION & MAINTENANCE MANUAL
®
QuickDraw Storage and Semi-instantaneous
Steam 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
TOPIC
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® QUICKDRAW Steam 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 operation
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® QUICKDRAW Steam Heater 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 shipping supports and brac
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® QUICKDRAW Steam 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 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. Some examples are: HOMES FOR THE MENTALLY HANDICAPPED HOMES FOR THE PHYSICALLY HANDICAPPED HOSPITALS AND NURSING HOMES E
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® QUICKDRAW Steam 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 galvanized ni
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® QUICKDRAW Steam Heater 3. Connect condensate trap inlet parallel to or below the outlet of the heat exchanger. The ability to lift condensate via steam pressure cannot be assured on QuickDraw products due to the possible use of a modulating steam valve (storage units only) or multiple solenoid steam control system. The recommended methods of condensate distribution are: a. Plumb to a condensate receiver and pump or vacuum return to the condensate return header. b. Plumb to a pneumat
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® QUICKDRAW Steam Heater 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. Open nearby hot water tap to maintain a flow of water through the tank when startin
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® QUICKDRAW Steam Heater Steam Valve Actuator The steam valve actuator (if applicable) is sealed and requires no maintenance. Durability of valve stems and packing is dependent upon maintaining non-damaging water conditions. Inadequate water treatment or filtration can result in corrosion, scale, and abrasive particle formation. Scale and particulates can result in stem and packing scratches and can adversely affect packing life and other parts of the Hydronic system. Contact the manufa
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® QUICKDRAW Steam Heater 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. 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 COM
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® 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 resultant leak. Any gasket leak can result in potential injury to adjace
