2018-425-E AMS - Sasser Companies Annex upfit

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DocuSign Envelope ID: 9826C043- 4C32- 49CD- A4CC- DC28ABAB7CE7 SECTION 238500 - INSTRUMENTATION AND CONTROL FOR HVAC Generally all equipment to be furnished with packaged, standalone controls per schedules and information on draw- ings (programmable thermostats / sensors, control dampers, packaged interface equipment / modules, packaged programmers / keyboard managers, etc.). Packaged equipment to generally be for standalone operation (i.e. no in- terface to a building energy management system at this time). However, all controls shall include BACNET interface modules / cards, software, and all other accessories necessary for a complete integration to owner's existing energy management system in the future. Mechanical Contractor shall be responsible for setup and programming of all con- trols per manufacturer's recommendations. In addition to packaged controllers, t'stats / sensors, etc. at all equip- ment, BACNET cards / devices / software shall be supplied by the equipment supplier - for integration of all equip- ment to owner's energy management system (see below). Note: Refer to other sections of specs. and drawings for equipment to be furnished by the owner and installed by this contractor. Local Packaged Controls Systems to be accessed via factory packaged keypads, or interface devices — coordinate mounting locations / access with owner. Packaged controls to be by Daikin, or approved equals by Carrier / Toshiba, Mitsibishi, or Trane. All pack- aged controls, devices, etc. to be full programmed by this contractor. Occupancy schedules to be coordinated with the Owner. System to be web -based for owner access, giving the following functions: schedule / setpoint changes, alarms, status of equipment, etc.. System shall include access to all mechanical equipment. Sys- tem shall be graphical — based, allowing user - friendly access to systems via a floor -plan penetration scheme (via point and click of a graphical floorplan on the screen — to access individual units, etc.). Web -based sys- tem shall not require accessing separate websites for each "mechanical system ", however, one central web page, with links to each system is acceptable (everything shall be accessible on the main web page). Units shall be furnished with packaged control equipment. Wire in strict accordance with manufacturers recommenda- tions, providing any and all wiring and conduit required to connect the various components together. System shall meet all N.C. Energy Code and ASHRAE 90 -89 requirements. Packaged heat recovery units and rooftop heat pump units to be furnished with complete, packaged control system. Unit to include all integral safety control devices as required. Supply and exhaust fans shall be "on" at all times when associated areas are in "occupied" mode. Furnish and install a complete system of electric temperature controls as specified herein. Controls shall generally be packaged, programmable controls with the ability to interface with facility ems in the future (i.e. BacNet cards or Bac- Net Thermostats (where applicable) shall be included for full unit integration of all control / programming / monitoring "points" in the future). Replacement parts for all control components shall be kept in stock locally. Provide solid state heating - cooling auto - changeover, 7 -day programmable thermostats for space temperature con- trol for fan coil split systems. Thermostats to have dual setpoints (heating / cooling). Thermostats shall be equipped with switches to provide for continuous fan operation, or Auto fan operation and sys- tem Off - Heat -Cool -Auto, and be compatible with equipment furnished. Fan shall run continuously for all rtu's during "occupied" periods. Program control for designated toilet exhaust fans to be via associated zone programmable thermostat (wired — in at auxiliary contact(s)). Packaged digital controllers to be provided for all miscellaneous exhaust systems, and all other equipment as re- quired. Any control devices shall be located for convenient access and function if not specifically located on drawings, includ- ing all conduit and wiring required to be furnished and installed by this contractor. All thermostat and operable con- trols devices shall be located not higher than 48" AFF. Furnish a complete control wiring diagram including written description and sequence of operation; train in operation and adjustment. All control wiring shall be in accordance with electrical specifications. Reece, Noland & McElrath, Inc. 238500-1 Orange County Board of Elections Orange Co., NC 05/04/18