Engineered Systems - August 2008 - (Page 22)

HVACRDesignerTips BY AMANDA MCKEW EQUIPMENT STARTUP CHECKLIST For Places of Assembly: The School Gymnasium Equipment type: Two AHUs Equipment designation: AHU-1, AHU-2 Barcode designation: 111111 Area served: School gymnasium Equipment location: Rooftop • Confirm there is the manufacturers’ recommended clearance around equipment. • Consider if routine maintenance can be achieved without shutting unit down. • Attach equipment schedule and design criteria to checklist • Attach sequence of operation to checklist. • Attach associated contract detail drawing to checklist. ELECTRICAL INSPECTION • Confirm that electrical connections are complete. • Disconnect installed per code compliance. • Starter and wire sizing per contract documents. • Motor bumped to verify rotation. • Terminations and panel circuit labeled. • Voltage and motor amps (per phase) documented. • Electric reheat connected (if applicable). • Electric humidifier connected (if applicable). [Y] [N] ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ REFERENCE • 2008 ASHRAE Handbook –Systems & Equipment, Chapter 1, “HVAC System Analysis and Selection,” and Chapter 2, “Decentralized Cooling & Heating.” • 2007 ASHRAE Handbook –HVAC Applications, Chapter “Places of Assembly” 4, EQUIPMENT INSTALLATION (PER CONTRACT DRAWINGS AND SPECIFICATION) [Y] [N] • Piping installation complete at unit (CHW, CW or DX). • Vibration isolation complete (if applicable). • Seismic restraints complete (if applicable). • Interior of unit is clean of any debris. • Filters are clean with no restricted airflow. • Manufacturer’s O&M info available. • Manufacturer’s startup sheets attached with this checklist. • Warranty certificate available. ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ NOTE • Refer to equipment manufacturers’ literature for additional data and requirements. • Refer to building owner standards and guidelines for additional criteria. ES DISTRIBUTION (TO AND FROM EQUIPMENT) [Y] [N] ❍ ❍ ❍ ❍ ❍ ❍ ❍ If you have any comments, suggestions, or questions regarding this designer checklist, contact Amanda McKew at amckew@ rdkengineers.com. • Piping pressure tested per contract documents (no leaks). ❍ • Humidification installation complete (if applicable). ❍ • Insulation completed. ❍ • Non-toxic glycol solution at correct percentage (if applicable). ❍ • Installation per contract documents (specification and details). ❍ • TAB report and field notes attached with this checklist. ❍ • Identification per contract documents. ❍ AUTOMATIC CONTROLS • Control points confirmed. • Alarm types determined and enabled. • Alarm limits programmed. • Electrical system interlocks complete. • Unit furnished controls interfaced with owner’s BAS computer. [Y] [N] ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ DESIGN REVIEW AND TRICKS-OF-THE TRADE • Create an airflow diagram indicating CFM, air changes, and space pressure. • Confirm there is safe access to the equipment. 22 En gi neer ed S y stem s August 2008

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Engineered Systems - August 2008 Contents Editor's Note Back2Basics HVAC Challenge Case In Point Commissioning Building Automation Efficiency Incentives HVACR Designer Tips Glass Box to Grand Casino Looking Radiant In Green Mechanical Products Sourcebook Q&A: Dehumidification In Schools Building Oversight Management: M&V And More Products Classifieds Advertiser Index Tomorrow's Environment

Engineered Systems - August 2008

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