Sisters of Mercy Health System _Mercy_ MASTER SPECIFICATIONS

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					Sisters of Mercy Health System ("Mercy") MASTER SPECIFICATIONS SECTION 233433 - AIR CURTAINS PART 1 - GENERAL 1.1 A. RELATED DOCUMENTS

(2009June30)

Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification Sections, apply to this Section. SUMMARY

1.2 A. 1.3 A. B.

Section includes air curtains with electric heat. SUBMITTALS Product Data: For each type of product indicated. Include rated capacities, operating characteristics, and furnished specialties, and accessories. Shop Drawings: For air curtains. Include plans, elevations, sections, details, and attachments to other work. 1. Detail equipment assemblies and indicate dimensions, weights, loads, required clearances, method of field assembly, components, and location and size of each field connection. Wiring Diagrams: For power, signal, and control wiring.

2. C. D. 1.4 A. B. C.

Operation and Maintenance Data: For air curtains to include in maintenance manuals. Warranties: Sample of special warranties. QUALITY ASSURANCE Electrical Components, Devices, and Accessories: Listed and labeled as defined in NFPA 70, by a qualified testing agency, and marked for intended location and application. Comply with AMCA 220, "Laboratory Methods of Testing Air Curtains for Aerodynamic Performance Ratings," for airflow, outlet velocity, and power consumption. Comply with ARI 410, "Forced-Circulation Air-Cooling and Air-Heating Coils," for components, construction, and rating. 1. Certify coils according to ARI 410.

D.

Comply with NSF 37, "Air Curtains for Entranceways in Food and Food Service Establishments."

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Sisters of Mercy Health System ("Mercy") MASTER SPECIFICATIONS 1.5 A. WARRANTY

(2009June30)

Special Warranty: Manufacturer's standard form in which manufacturer agrees to repair or replace components of air curtains that fail in materials or workmanship within specified warranty period. 1. Warranty Period (Nonheating Units): 24 months.

PART 2 - PRODUCTS 2.1 A. AIR-CURTAIN UNIT Manufacturers: Subject to compliance with requirements, provide products by one of the following: 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. B. Air Economy Corporation; a division of Scott Springfield Manufacturing, Inc. Berner International. Biddle Air Systems Limited. Cambridge Engineering, Inc. Disco Engineering, Inc.; Part of Tucson Transatlantic Trade, Inc. Fantech. King Company; a company of Mestek, Inc. Loren Cook Company. Marley Engineered Products. Mars Air Products; Dynaforce Division. Mars Air Products; Mars Air Door Division. Mestek, Inc.; L. J. Wing Division. Miniveil Air Systems. Powered Aire, Inc. TMI, LLC; Curtron Products Division.

Housing: 1. 2. 3. 4. Materials: Galvanized steel with electrostatically-applied epoxy-enamel finish over powdered mirror. Materials: One-piece, molded, high-impact, white polymer material. Materials: Heavy-gage, electroplated-zinc steel with welded construction and polyestercoated finish. Materials: Heavy-gage, aluminum construction. a. Anodized Finish: Match finish and color of adjacent architectural metals. Comply with NAAMM's "Metal Finishes Manual for Architectural and Metal Products" for recommendations for applying and designating finishes. Finish designations prefixed by AA comply with the system established by the Aluminum Association for designating aluminum finishes. 1) Class II, Clear Anodic Finish: AA-M12C22A31 (Mechanical Finish: Nonspecular as fabricated; Chemical Finish: Etched, medium matte;

b.

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2)

Anodic Coating: Architectural Class II, clear coating 0.010 mm or thicker) complying with AAMA 611. Class II, Color Anodic Finish: AA-M12C22A32/A34 (Mechanical Finish: Nonspecular as fabricated; Chemical Finish: Etched, medium matte; Anodic Coating: Architectural Class II, integrally colored or electrolytically deposited color coating 0.010 mm or thicker).

5. 6. 7. 8. C. D. E.

Materials: Stainless steel. Discharge Nozzle: Integral part of the housing, containing fixed air-directional vanes. Discharge Nozzle: Integral part of the housing, containing adjustable air-directional vanes with 40 -degree sweep front to back. Discharge Nozzle: Integral part of the housing, containing air-directional vanes adjustable in 5-degree increments through a 45-degree sweep front to back.

Mounting Brackets: Steel, for wall or ceiling mounting as required. Air-Intake Louvers: Comply with requirements in Division 08 Section "Louvers and Vents." Air-Intake Louvers: 1. Louvers: Integral part of and same material as the housing, mechanically field adjustable and capable of reducing air-outlet velocity by 60 percent with louver in totally closed position. Grille: Integral part of and same material as the housing. Insect Screen: Aluminum, removable.

2. 3. F. Fans: 1. 2. 3. 4. G.

Centrifugal, forward curved, double width, double inlet. Galvanized steel or Painted steel. Statically and dynamically balanced. Direct drive.

Motors: Comply with NEMA designation, temperature rating, service factor, enclosure type, and efficiency requirements for motors specified in Division 23 Section "Common Motor Requirements for HVAC Equipment." 1. 2. 3. 4. 5. 6. 7. 8. 9. Motor Sizes: Minimum size as indicated. If not indicated, large enough so driven load will not require motor to operate in service factor range above 1.0. Controllers, Electrical Devices, and Wiring: Comply with requirements for electrical devices and connections specified in Division 26 Sections. Two speed. Resiliently mounted. Continuous duty. Totally enclosed, air over. Integral thermal-overload protection. Bearings: Permanently sealed, lifetime, prelubricated, ball bearings. Disconnect: Internal power cord with plug and receptacle.

H.

Electric-Resistance Coils:

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Sisters of Mercy Health System ("Mercy") MASTER SPECIFICATIONS 1. 2. 3.

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4.

5.

Coil Assembly: Comply with UL 1995. Frame: Galvanized-steel frame. Heating Elements: Coiled resistance wire of 80 percent nickel and 20 percent chromium; surrounded by compacted magnesium-oxide powder in tubular-steel sheath; with spiralwound, copper-plated, steel fins continuously brazed to sheath. Heating Elements: Open-coil resistance wire of 80 percent nickel and 20 percent chromium, supported and insulated by floating ceramic bushings recessed into casing openings, fastened to supporting brackets, and mounted in galvanized-steel frame. Overtemperature Protection: Disk-type, automatically reset, thermal-cutout, safety device; serviceable through terminal box without removing heater from duct or unit. a. Secondary Protection: Load-carrying, manually reset or manually replaceable, thermal cutouts; factory wired in series with each heater stage.

6.

Control Panel: Unit or Remote mounted with disconnecting means and overcurrent protection. Include the following controls: a. Mercury contactor. b. Solid-state stepless pulse controller. c. Toggle switches; one per step. d. Step controller. e. Time-delay relay. f. Pilot lights; one per step. g. Airflow-proving switch.

I.

Controls: (Engineer of record to edit according to job specifics) 1. 2. [Built-in] [Field-Installed] Thermostat: Line voltage, factory installed and wired to the [junction box on air curtain] [motor-control panel]. Automatic Door Switch: [Roller type] [Combination roller-plunger type] [Plunger type] installed in door area to activate air curtain when door opens and to deactivate air curtain when door closes. Start-Stop, Push-Button Switch: Manually activates and deactivates air curtain. Three-Speed Switch: Manually activates, deactivates, and controls air-curtain fan speed. Time-Delay Relay: Factory installed and adjustable to allow air curtain to operate from 0.5 seconds to 10 hours. Motor-Control Panel: Complete with motor starter, 115-V ac transformer with primary and secondary fuses, terminal strip, and NEMA 250, [Type 1] [Type 12] enclosure [with door-mounted hands-off-auto switch].

3. 4. 5. 6.

J.

Accessories: 1. 2. Mounting Brackets: Adjustable mounting brackets for drum-type roll-up doors. Discharge Extension Neck: For ceiling-recessed installation.

K.

Capacities and Characteristics: (Engineer of record to edit according to job specifics) 1. 2. 3. 4. Application: [Thermal barrier] [Wind resistance] [Interior separation] [Fly and insect control]. Mounting Type: [Suspension] [Wall brackets] [Keyhole wall mount]. Discharge Direction: [Horizontal] [Vertical]. Door Type: [Exterior] [Interior].

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Sisters of Mercy Health System ("Mercy") MASTER SPECIFICATIONS 5. 6. 7. 8. 9. 10. 11. 12. 13. Door Height: <Insert inches>. Door Width: <Insert inches>. Unit Length: <Insert inches>. Net Weight: <Insert lb>. Nozzle Velocity: [1000 fpm] <Insert fpm>. Airflow: <Insert cfm>. Intake: [Internal] [External]. Number of Fan(s): [1] [2] [3] <Insert number>. Fan Motor: a. Electrical Characteristics: 1) 2) 3) 4) 5) 6) 7) 8) 14. 15. Horsepower: [0.5] [1] [2] [3] <Insert value>. Volts: [120] [208] [230] [460] <Insert value>. Phase: [Single] [Poly]. Hertz: 60. Speed: [1750] <Insert number> rpm. Full-Load Amperes: <Insert value>. Minimum Circuit Ampacity: <Insert value>. Maximum Overcurrent Protection: <Insert amperage>.

(2009June30)

Sound Level Measured 10 feet from Nozzle: <Insert number> dBA. Electric Heater: a. b. c. d. e. f. g. h. Capacity: <Insert kW>. Air-Temperature Rise: <Insert deg F>. Volts: [120] [208] [230] [460] <Insert value>. Phase: [Single] [Poly]. Hertz: 60. Minimum Circuit Ampacity: <Insert value>. Maximum Overcurrent Protection: <Insert amperage>. Control Step(s): [One] [Two] [Three] <Insert value>.

PART 3 - EXECUTION 3.1 A. B. 3.2 A. EXAMINATION Examine areas and conditions for compliance with requirements for installation tolerances and other conditions affecting performance. Proceed with installation only after unsatisfactory conditions have been corrected. INSTALLATION Install air curtains with clearance for equipment service and maintenance.

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Sisters of Mercy Health System ("Mercy") MASTER SPECIFICATIONS B.

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Equipment Installation: Install air curtains with seismic-restraint devices. Comply with requirements for seismic-restraint devices specified in Division 23 Section "Vibration and Seismic Controls for HVAC Piping and Equipment." Comply with requirements for hangers and supports specified in Division 23 Section "Hangers and Supports for HVAC Piping and Equipment." ADJUSTING

C.

3.3 A. B. C. D. 3.4 A.

Adjust belt tension. Adjust motor and fan speed to achieve specified airflow. Adjust discharge louver and dampers to regulate airflow. Adjust air-directional vanes. DEMONSTRATION Engage a factory-authorized service representative to train Owner's maintenance personnel to adjust, operate, and maintain air curtains.

END OF SECTION 233433

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