Natco VW Installation And Operating Instructions Manual
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Contents
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Section 1General Information1A. IntroductionThis manual provides information for theinstallation and operation of Natco volume waterheaters. It is strongly recommended that allapplication and installation procedures be reviewedcompletely before proceeding with the installation.Consult the Natco factory, or local factoryrepresentative, with any problems or questionsregarding this equipment. Experience has shown thatmost problems are caused by improper installation.Some accessory items are shipped in separatepackages. Verify receipt of all packages listed on thepackage slip. Inspect everything for possible damageupon delivery, and inform the carrier of any shortagesor impairments. Any such claims should be filed withthe carrier. The carrier, not the shipper, is responsiblefor shortages and damage to the shipment whethervisible or concealed.IMPORTANT WARNING:All volume water heaters must be installed inaccordance with the procedures outlined in thismanual. The warranty does not apply to heaters notinstalled or operated in accordance with theseprocedures. Consult local building and safety codesbefore proceeding with work. The installation mustconform to the requirements of the authority havingjurisdiction or, in the absence of such requirements, tothe latest edition of the National Fuel Gas Code;ANS1 Z223.1, National Electrical Code ANSI/NFPA70 and/or in Canada CAN1-B149 requirement.3Figure 1 – Boiler ConfigurationWhen required by the authority having jurisdiction, theinstallation must conform to American Society ofMechanical Engineers safety codes for controls andsafety devices for automatically fired heaters No.CSD-1, and in Canada CGA 3.3. Any modification tothe water heater, its gas controls, gas orifices, wiringor draft diverter may void the Natco warranty. If fieldconditions require such modifications, consult factory.1B. Heater IdentificationConsult rating plate on the heater. The followingexample simplifies the heater identification.1 2 3 4 5 6P W 1 6 7 0 I N 09 L(1) Basic heater model.*(2) Input rate X 1000 BTU/hr.(3) Indoor (I) or Outdoor (E) installation.(4) Gas type: Natural (N) or Propane (P).(5) Ignition system: I.I.D. (09) or continuous pilot(16).**(6) Firing rate: On/Off (C), 2-stage (K), 4-stage (L),or Mech. Mod (H).*Model VW water heaters for use with separatestorage tank. There must be a field installed pump tocirculate water between the heater and the storagetank.*Model PW water heaters are basically the same asthe VW series except that the PW heaters come withintegrally mount pumps.*Model IW water heaters are tankless instantaneousheaters, complete with mount pump for use inapplications having a suitable diversity in heater load.**Special Options: I.I.D. (04) 115 volts or I.I.D. (08)IRI ControlsNatco commercial water heaters are available intwo models: an indoor version and an outdoorversion. Both are available from the factory. SeeFigure 1. |
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This manual is suitable for:
Fire Coil IW 1010Fire Coil IW 1200Fire Coil IW 1430Fire Coil IW 1670Fire Coil IW 1825Fire Coil IW 500Fire Coil IW 600Fire Coil IW 715Fire Coil IW 850Fire Coil PW 1010Fire Coil PW 1200Fire Coil PW 1430Fire Coil PW 1670Fire Coil PW 1825Fire Coil PW 500Fire Coil PW 600Fire Coil PW 715Fire Coil PW 850Fire Coil VW 1010Fire Coil VW 1200Fire Coil VW 1430Fire Coil VW 1670Fire Coil VW 1825Fire Coil VW 500Fire Coil VW 600Fire Coil VW 715Fire Coil VW 850IWPWVW
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