Orange County NC Website
Southern Human Services Center Smith Sinnett /2020072 <br />HVAC and Roof Renovations Orange County,North Carolina <br />BAS Actuators and Operators 23 09 13.13 - <br /> 1 <br />SECTION 23 09 13.13 <br />BAS ACTUATORS AND OPERATORS <br />PART 1 GENERAL <br />1.01 REFERENCES <br />A.Refer to Section 23 09 00 -References <br />1.02 ACRONYMS,ABBREVIATIONS AND DEFINITIONS <br />A.Refer to Section 23 09 00 -Acronyms,Abbreviations and Definitions <br />PART 2 PRODUCT <br />2.01 ACTUATORS <br />A.Manufacturers: <br />1.Belimo <br />2.Honeywell <br />3.Johnson <br />4.Siemens <br />5.Schneider <br />6.Or Approved Equal <br />B.For dampers,the actuators used shall be provided from a single manufacturer. <br />C.For valves,the actuators used shall be provided from a single manufacturer. <br />D.Actuators shall be provided from a manufacturer registered under ISO9001:2000. <br />E.Electronic Damper Actuators. <br />1.Size for torque required for damper seal at load conditions. <br />2.Coupling:V-bolt dual nut clamp with a V-shaped,toothed cradle. <br />3.Mounting:Actuators shall be capable of being mechanically and electrically paralleled to <br />increase torque if required. <br />4.Overload Protection:Electronic overload or digital rotation-sensing circuitry without the use of <br />end switches to prevent any damage to the actuator during a stall condition. <br />5.Fail-Safe Operation:Mechanical,spring-return mechanism.Internal chemical storage <br />systems,capacitors,or other internal non-mechanical forms of fail-safe operation are not <br />acceptable. <br />6.Power Requirements (Two-Position Spring Return):24 or 120 VAC as required. <br />7.Power Requirements (Proportional):Maximum 10 VA at 24 VAC or 8 W at 24 VDC. <br />8.Temperature Rating:-22 to +122°F (-30 to +50°C) <br />9.Housing:Minimum requirement NEMA type 2 /IP54 mounted in any orientation. <br />10.Agency Listing:ISO 9001,UL,UL(C)and CSA C22.2 No.24-93. <br />F.Electronic Valve Actuators. <br />1.Size for torque required for valve close off at 150%of total system (head)pressure for 2-way <br />valves;and 100%of pressure differential across the valve or 100%of total system (pump) <br />head differential pressure for 3-way valves. <br />2.Coupling:Directly couple end mount to stem,shaft,or ISO-style direct-coupled mounting pad. <br />3.Mounting:Actuators shall be capable of being mechanically and electrically paralleled to <br />increase torque if required. <br />4.Overload Protection:Electronic overload or digital rotation-sensing circuitry without the use of <br />end switches to deactivate the actuator at the end of rotation. <br />5.Fail-Safe Operation:Mechanical,spring-return mechanism.Internal chemical storage <br />systems,capacitors,or other internal non-mechanical forms of fail-safe operation are not <br />acceptable. <br />6.Power Requirements:Maximum 10 VA at 24 VAC or 8 W at 24 VDC. <br />7.Maximum 1 VA at 24 VAC or 1 W at 24 VDC. <br />8.Temperature Rating:-22 to +122°F (-30 to +50°C) <br />9.Housing:Minimum requirement NEMA type 2 /IP54 mounted in any orientation. <br />DocuSign Envelope ID: 94E7997D-4F29-42F6-A9B4-0A160438D2A6