Transcription of HIGH ALTITUDE CONVERSION M-1HA0802 …
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GENERALThis instruction is intended for the CONVERSION of new equip-ment only, for operation at altitudes greater than 2,000 ft. abovesea level. Follow the basic unit installation instruction for allother aspects of the unit installations above 2,000 ft. must be field derated asrequired by the National Fuel Gas Code, ANSI (latestedition), or in Canada, CAN/CGA or .2 and all otherapplicable local codes and utility instruction provides the necessary information to selectand install the proper orifice for your specific application. Datais provided for both natural gas and propane (LP).WARNING: Improper installation, adjustment service, or main-tenance can cause injury or property dam-age;therefore, only a qualified installer or qualifiedservice personnel should perform this SIZE SELECTIONA number of factors determine the correct orifice usage for yourapplication.
TESTS AND ADJUSTMENTS The following tests must be performed at the time of conversion following completion of the installation. 1. Connect a manometer to the pressure tap in the gas valve.
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