York SUNLINE MagnaDRY DR180 Installation Manual

Also see for SUNLINE MagnaDRY DR 180: Submittal data sheet Installation manual

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York SUNLINE MagnaDRY DR180 Installation Manual Manual pdf 24 page image

127915-YIM-A-040524 Unitary Products Group4. All piping should be cleaned of dirt and scale byhammering on the outside of the pipe and blowingout the loose dirt and scale. Before initial start-up,be sure that all of the gas lines external to the unithave been purged of air.5. The gas supply should be a separate line andinstalled in accordance with all safety codes asprescribed under "Limitations". After the gas con-nections have been completed, open the mainshut-off valve admitting normal gas pressure to themains. Check all joints for leaks with soap solutionor other material suitable for the purpose. NEVERUSE A FLAME.6. The furnace and its individual manual shut-offvalve must be disconnected from the gas supplypiping system during any pressure testing of thatsystem at test pressures in excess of 1/2 psig(3.48kPa).The furnace must be isolated from the gas supplypiping system by closing its individual manual shut-off valve during any pressure testing of the gassupply piping system at test pressures equal to orless than 1/2 psig (3.48kPa).7. A 1/8 inch NPT plugged tap, accessible for testgage connection, must be installed immediatelyupstream of the gas supply connection to the fur-nace.L.P. UNITS, TANKS AND PIPINGAll gas heat units are shipped from the factoryequipped for natural gas use only. The unit may beconverted in the field for use with L.P./propane gaswith accessory kit model number 1NP0418.All L.P./propane gas equipment must conform to thesafety standards of the National Fire Protection Associ-ation.For satisfactory operation, L.P./propane gas pressuremust be 8.8 I.W.C. at the unit manifold under full load.Maintaining proper gas pressure depends on threemain factors:Natural gas may contain some propane. Pro-pane, being an excellent solvent, will quicklydissolve white lead or most standard commer-cial compounds. Therefore, a special pipecompound must be applied when wrought ironor steel pipe is used. Shellac base compoundssuch as Gaskolac or Stalastic, and compoundssuch as Rectorseal #5, Clyde's or John Cranemay be used.FIRE OR EXPLOSION HAZARDFailure to follow the safety warning exactlycould result in serious injury, death or propertydamage.Never test for gas leaks with an open flame.Use a commerically available soap solutionmade specifically for the detection of leaks tocheck all connections. A fire or explosion mayresult causing property damage, personalinjury or loss of life.FIGURE 6 - EXTERNAL SUPPLY CONNECTIONEXTERNAL SHUT-OFFFIGURE 7 - BOTTOM SUPPLY CONNECTIONEXTERNAL SHUT-OFF