Engineered Systems - February 2008 - (Page 26) HVACRDesignerTips BY AMANDA MCKEW EQUIPMENT STARTUP CHECKLIST For Retail Facilities – Split System Equipment type: Split system Equipment designation: AHU-1/ACCU-1 Barcode designation: 111111 Equipment type: Retail facility Equipment type: Rooftop/Ceiling DESIGN REVIEW AND TRICKS OF THE TRADE • Confirm there is safe access to the equipment. • Confirm there is the manufacturer’s recommended clearance around equipment. • Spot-check heating capacity by dividing sq ft, and cooling capacity by dividing sq ft by tons cooling. • Attach equipment schedule and design criteria to checklist. • Attach sequence of operation to checklist. • Attach associated contract detail drawing to checklist. ELECTRICAL INSPECTION • Electrical connections are completed. • Disconnect is furnished and installed per code compliance. • Starter and wire sized per contract documents. • Motor bumped to verify rotation. • Terminations and panel circuit labeled. • Voltage and motor amps (per phase) documented. [Y] [N] ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ REFERENCE • 2007 ASHRAE Handbook – Applications, Chapter 2, “Retail Facilities” • 2008 ASHRAE Handbook – Systems & Equipment, Chapter 1, “HVAC System Analysis and Selection” • 2008 ASHRAE Handbook – Systems & Equipment, Chapter 2, “Decentralized Cooling & Heating,” and Chapter 9, “Design of Small Forced-Air Heating and Cooling” EQUIPMENT INSTALLATION (PER CONTRACT DRAWING AND SPECIFICATION) [Y] [N] • Permanent labeling (or barcode) installed. • DX piping installation complete at unit. • Condensate drain piping run to drain. • Gas piping installation complete at unit. • Burner flue vent installation complete from unit to outdoors. • Vibration isolation complete (if applicable). • Seismic restraints complete (If applicable). • Maintenance accessibility adequate. • Interior of unit is clean of any debris. • Filters are clean with no restricted airflow. • Manufacturer’s O&M 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 “HVACR Designer Tips” from January 2008 for more information approach to design review for retail facility – split systems. • Refer to the “B2B” January through March 2008 columns for the design engineer, commissioning engineer, and TAB engineer helpful hints associated with this installations. ES DISTRIBUTION (TO AND FROM EQUIPMENT) • Piping pressure tested per contract documents. • Insulation completed. • Valves labeled and gauges installed. • Head pressure controls installed (if necessary). • Hot gas controls installed (if necessary). • TAB report and field notes attached with this checklist. • Identification per contract documents. [Y] [N] ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ AUTOMATIC CONTROLS • Temperature controls complete. • Control points confirmed. • Electrical system interlocks complete. • Unit-furnished controls interfaced with owner’s BAS computer. [Y] [N] ❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ If you have any comments, suggestions, or questions regarding this designer checklist, contact Amanda McKew at amckew@ rdkengineers.com. This column is meant to provide some basic guidelines for good design. Always consult all necessary codes and resources relevant to each particular project. GENERAL CONSIDERATIONS/REQUIREMENTS [Y] [N] • Consider using VSDs on fan. ❍ ❍ 26 En gi neer ed S y stem s February 2008
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