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� I <br /> i <br /> • � defrost thermostat is satisfied to prevent prolonged operation of <br /> defrost cycle. Electric resistance heaters shall operate automatically <br /> during defrost cycle. <br /> J. Filters sha11 be 1" throwaway type,new and unused at time system <br /> i is officially released to Owner. <br /> � <br /> I <br /> PART 3 -EXECUTION <br /> II <br /> ^I.1 DUCTWORK <br /> A. Duct connections to unit shall allow for straight and smooth <br /> airflow.No turns shall be installed at fan discharge opposite to fan <br /> rotation. <br /> B. Provide flexible connections at duct connections to unit. <br /> " a c il drain <br />� C. Provide minimum of 4 deep condensate trap on coolinb o <br /> pan. <br /> �3.2 INSTALLATION <br /> • A. Install unit level,rigid , and secured to manufacturer supplied roof <br />, curb. Final installation shall be free of leaks both from unit interior <br /> and roof-to-curb interface. <br /> B. Install control subbase,night setback,time clock and thermostat <br /> where shown on the plans. <br /> END OF SECTION <br /> � <br /> � <br /> � <br /> � <br /> � , <br /> ' ICT!99184 _ � <br /> I SECTION 15775 - 5 <br /> � <br /> i <br /> � <br /> � <br />