Specifications include, but are not limited to: TWO (2) -90 TON UNIT – CARRIER OR EQUIVALENT: Size Range: 30 to 100 Tons, Nominal Carrier or equivalent Model Number: 48P7 (Vertical Supply/Return, VAV Application, Greenspeed Intelligence) Part 1 — General 1.01 SYSTEM DESCRIPTION Outdoor, roof-curb mounted, electronically controlled heating and cooling unit utilizing hermetic scroll compressors with crankcase heaters for cooling duty and gas combustion for heating duty. Units shall supply and return air vertically or horizontally as shown on the contract drawings. 1.02 QUALITY ASSURANCE A. Unit shall be rated in accordance with AHRI (Air-Conditioning, Heating and Refrigeration Institute) Standard 340/360, latest edition, and with ASHRAE (American Society of Heating, Refrigerating and Air-Conditioning Engineers) Standard 90.1-2013. B. Unit shall be designed to conform to ANSI (American National Standards Institute)/ASHRAE 15 (latest edition), ASHRAE 62, and UL Standard 1995. C. Unit shall be listed by ETL and ETL, Canada, as a total package. D. Unit shall be designed to conform to ANSI Standard Z21.47 (U.S.A.)/CSA Standard 2.3 (Canada), GasFired Central Furnaces. E. Roof curb shall be designed to NRCA (National Roofing Contractors Association) criteria per Guideline B-1986. F. Insulation and adhesive shall meet NFPA (National Fire Protection Association) 90A requirements for flame spread and smoke generation. G. The management system governing the manufacture of this product is ISO (International Organization for Standardization) 9001:2015 certified. 1.03 DELIVERY, STORAGE, AND HANDLING Unit shall be stored and handled per manufacturer’s recommendations.
