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<br /> <br /> <br /> <br /> <br /> <br /> 13 <br /> <br /> <br /> <br /> <br />Preventive Maintenance as well as Predictive Maintenance is performed to detect early signs of <br />deteriorating equipment and to predict potential system failures. These services diagnose and solve <br />equipment component problems often before they occur. Preventive maintenance is performed on an <br />ongoing basis and is scheduled with little or no equipment downtime with its’ primary objective being <br />system durability, reliability, efficiency, and safety. <br /> Warren-Hay Mechanical adheres to the National Standard Practice For The Inspection & <br />Maintenance Of Commercial HVAC Systems (ANSI/ASHRE/ACCA Standard 180) <br />“Where maintenance is neglected, energy costs rise significantly and equipment life drops dramatically. With <br />HVAC&R systems responsible for about 60 percent of site electrical energy use, it’s imperative that we provide <br />consistent maintenance and inspection to improve energy efficiency along with thermal comfort and indoor air <br />quality. When systems are not maintained, indoor air quality, occupant comfort and energy efficiency all suffer.” <br />o Robert Baker, Chair of the committee that wrote the standard <br /> <br />As Customized For Your System, The Following Tasks Are Performed For These Services As <br />Applicable: <br /> <br />CALIBRATION VIBRATION <br />• Temperature controls • damper linkages <br />• operating & safety controls • fan bearings <br />• humidity & pressure controls • axial vane drives <br />• transmitter and receiver gauges • pumps <br />• economizer controls • motors <br />ADJUSTMENT: SECURE AND TIGHTEN <br />• purge systems • motor terminals <br />• superheat • control terminals <br />• damper & valve linkages • piping clamps <br />• unloaders • line fittings <br />• belt tensions • mounting hardware <br />• fan speed • electrical connections <br />• chemical feed equipment • equipment panels <br />• gas pressure regulators • motor mounts <br />• combustion air ratios • vibration pad nuts & bolts <br />• set points • damper sections <br />• igniter & flame rod assembly <br />• sump floats <br /> CLEANING <br /> • control devices <br />ALIGNMENT • electrical contactor <br />• open drive couplings • condenser evaporator <br />• belt sheaves • fan blades & impellers <br />• pulleys • pilot & burner orifices <br />• coil fins • heat exchangers <br />• belt drives • igniters <br /> <br />DocuSign Envelope ID: 8DFA778B-2792-4789-B635-3ECE69F5B8EC