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DIVISION 23 – HEATING, VENTILATING, AND AIR-CONDITIONING(HVAC) <br /> <br />Number Title <br />23 00 00 HEATING VENTILATING, AND AIR-CONDITIONING(HVAC) <br />23 06 00 Schedules for HVAC <br />23 06 80 Schedules for Decentralized HVAC Equipment <br /> <br />23 06 80.13 Decentralized Unitary HVAC Equipment Schedule <br />23 06 80.13.A Rooftop unit schedule <br /> <br />23 07 00 HVAC Insulation <br />23 07 16 HVAC Equipment Insulation <br /> <br />23 07 16.13 Decentralized, Rooftop Units <br />23 07 16.13.A Evaporator fan compartment <br />1.Interior cabinet surfaces shall be insulated with a minimum 1/2- in. thick, minimum 1 1/2 lb density, flexible fiberglass <br />insulation coated on the air side. <br />2.Insulation and adhesive shall meet NFPA 90A requirements for flame spread and smoke generation. <br />23 07 16.13.B Gas heat compartment <br />1.Aluminum foil-faced fiberglass insulation shall be used. <br />2.Insulation and adhesive shall meet NFPA 90A requirements for flame spread and smoke generation. <br /> <br />23 09 00 Instrumentation and Control for HVAC <br />23 09 13 Instrumentation and Control Devices for HVAC <br /> <br />23 09 13.23 Sensors and Transmitters <br />23 09 13.23.A Thermostats <br />1.Thermostat must: <br />a.energize “G” when calling for fan only or continuous fan. <br />b.have capability to energize 2 different stages of cooling, and 2 different stages of heating. <br />c.include capability for occupancy scheduling. <br /> <br />23 09 23 Direct-digital Control system for HVAC <br /> <br />23 09 23.13 Decentralized, Rooftop Units <br />23 09 23.13.A Smart Equipment (Unit based microprocessor control) <br />1.Shall be ASHRAE 62-2001 compliant. <br />2.Shall include an integrated economizer controller to support an economizer with 2 to 10 v DC actuator input. <br />3.Controller shall accept the following inputs: space temperature, setpoint adjustment, outdoor air temperature, indoor air <br />quality, outdoor air quality, indoor relative humidity, compressor lockout, fire shutdown, enthalpy, fan status, remote time <br />clock/door switch. <br />4.Shall accept a CO2 sensor in the conditioned space, and be Demand Control Ventilation ready. <br />5.Unit shall provide surge protection for the controller through a circuit breaker. <br />6.Shall have an LED display independently showing the status of activity on the communication bus, and processor <br />operation. <br />7.Software upgrades will be accomplished by local download. Software upgrades through chip replacements are not <br />allowed. <br />Guide Specification for <br />York® Sun™ Core <br />Page: 12 <br />3925 S Bristol <br />St-HVAC12/23/2024