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3.3 SAFETY CODE
<br />PART 3 - EXECUTION
<br />A System shall be in accordance with ANSI B9.1 Code for Refrigeration Systems.
<br />3.1 INSTALLATION -GENERAL
<br />END OF SECTION 23 23 00
<br />FCS•Zephyrhills CTUSA
<br />A. Deliver and store insulation materials in manufacturers containers and keep free from dirt, water, chemical and mechanical damage.
<br />23 31 13 - 21 SHEETMETAL DUCTWORK
<br />B. Complete piping and ductwork pressure testing prior to applying insulation.
<br />FCS-Zephyrhills CTUSA
<br />C. Apply insulation in workmanlike manner by experienced, qualified, workmen.
<br />23 3113 - 16SHEETMETAL DUCTWORK
<br />D. Surfaces shall be clean and dry when covering is applied. Covering to be dry when installed and before and during application of any finish,
<br />SECTION 23 31 13
<br />unless such finish specifically requires a wetted surface for application.
<br />SHEETMETAL DUCTWORK
<br />E. Adhesives, cements and mastics shall be compatible with materials applied and shall not attack materials in either wet or dry state.
<br />PART 1 -GENERAL
<br />F. Stop duct coverings, including jacket and insulation, at fire penetrations of fire or smoke rated partitions, floors above grade and roofs. "Fan -out'
<br />or extend jacketed insulation at least 2" beyond angle frames of fire dampers and secure to wall. Maintain vapor barrier.
<br />1.1 SECTION INCLUDES
<br />3.2 BLANKET TYPE DUCT INSULATION
<br />A. Rectangular Metal Ducts
<br />A. Apply jacketed blanket type glass fiber covering to ducts pulled snug but not so tight as to compress comers more than 1/4". Use insulation
<br />B. Round Ducts
<br />having 2" tab, or cut insulation long enough to allow for "peel -off' of insulation from jacket to effect a minimum overlap of 2". Staple lap with flare
<br />type staples on 1" centers. Cover standing seams, stiffeners, and braces with same insulation blanket, using 2" jacket lap and staple lap as herein
<br />1.2 RELATED REQUIREMENTS
<br />before outlined. Cover and seal all staples with Foster 30-80 reinforced with glass cloth. Do not use pressure sensitive tape.
<br />A. Section 23 05 93 - Testing, Adjusting, and Balancing for HVAC
<br />B. Secure jacket to covering using equivalent of Foster No. 85-20 or Childers CP-82 adhesive.
<br />B. Section 23 07 00 - HVAC Insulation
<br />C. For ducts 24" or wider, mechanically fasten insulation to duct bottom, using weld pins having self-locking, metal discs, locating fasteners on not
<br />over 12" centers laterally and longitudinally. Seal pins as above.
<br />1.3 REFERENCE STANDARDS
<br />D. For ducts up to 24" deep, mechanically fasten insulation to duct sides, using one row of pins, plates or discs located on not over 12" centers
<br />A. ASHRAE Handbook - Fundamentals; 2013.
<br />longitudinally and equidistant laterally between duct top and bottom. For duds 24" deep and greater, apply fasteners as before only using
<br />minimum of two rows.
<br />B. ASTM A653/A653M - Standard Specification for Steel Sheet, Zinc -coated (Galvanized) or Zinc -iron Alloy -Coated (Galvannealed) by the
<br />Hot -Dip Process; 2013.
<br />END OF SECTION 23 07 00
<br />FCS-Zephyrhills CTUSA
<br />C. ASTM E84 - Standard Test Method for Surface Burning Characteristics of Building Materials; 2014.
<br />23 23 00 - 15REFRIGERATION PIPING SYSTEM
<br />D. NFPA 90A - Standard for the Installation of Air -Conditioning and Ventilating Systems; National Fire Protection Association; 2012.
<br />FCS-Zephyrhills CTUSA
<br />E. NFPA 906 -Standard for the Installation of Warm Air Heating and Air Conditioning Systems; National Fire Protection Association; 2012.
<br />23 23 00 - 13REFRIGERATION PIPING SYSTEM
<br />F. SMACNA 1972 - HVAC Air Duct Leakage Test Manual; Sheet Metal and Air Conditioning Contractors' National Association; 2012, 2nd Edition.
<br />SECTION 23 23 00
<br />G. SMACNA 1966 - HVAC Duct Construction Standards; Sheet Metal and Air Conditioning Contractors' National Association; 2005.
<br />REFRIGERATION PIPING SYSTEM
<br />H. UL 181 - Standard for Factory -Made Air Ducts and Air Connectors; Underwriters Laboratories Inc.; Current Edition, Including All Revisions.
<br />PART 1 - GENERAL
<br />1.1 SECTION INCLUDES
<br />A. Piping, valves and fittings for refrigerant piping systems shown on drawings.
<br />1.2 RELATED REQUIREMENTS
<br />A. Section 23 05 00 - Common Work Results for HVAC
<br />B. Section 23 07 00 - HVAC Insulation
<br />1.3 REFERENCE STANDARDS
<br />A. Comply with the requirements of ANSI B9.1, Code for Refrigerant Systems.
<br />1.4 SUBMITTALS
<br />A. Submit for review manufacturer's product data for refrigerant piping system components.
<br />1.5 REFRIGERANT
<br />A. Refrigerant: Use only refrigerants that have ozone depletion potential (ODP) of zero and global warming potential (GWP) of less than 50.
<br />B. Refrigerant: 410A as defined in ASHRAE Std 34.
<br />PART 2-PRODUCTS
<br />2.1 MATERIALS
<br />A. Piping: Type "L" ACR hard copper, ASTM B280.
<br />B. Fittings: Wrought copper.
<br />C. Solder. Silver solder, or phos-copper solder having a melting point of 1125 degrees F or higher.
<br />D. Solenoid Valves:
<br />1. Manufacturers: Flow Controls (Emerson Climate Technologies), Parker Hannan, or Sporlan Co.
<br />2. AHRI 760, pilot operated, copper or brass body and internal parts, synthetic seat, stainless steel stem and plunger assembly (permitting
<br />manual operation in case of coil failure), integral strainer, with flared, solder, or threaded ends; for maximum working pressure of 500 psi.
<br />Suitable for the type of refrigerant used.
<br />E. Refrigerant Filter Dehydrator and Moisture Indicator
<br />1. Dehydrator. Sportan Co. Catch -All, or equal, with replaceable core, type, of size recommended by manufacturer for maximum design
<br />tonnage.
<br />2. Moisture Indicator: Sporlan Co. See -All, type SA-125, or equal.
<br />F. Pressure Regulators
<br />1. Manufacturers: Hansen Technologies Corp., Parker Hannifin, or Sporlan Co.
<br />2. Brass body, stainless steel diaphragm, direct acting, adjustable over 0 to 80 psi range, for maximum working pressure of 450 psi.
<br />G. Pressure Relief Valves
<br />1. Manufacturers: Hansen Technologies Corp., Henry Technologies, or Sherwood Valve/Harsco Corp.
<br />2. Straight Through or Angle Type: Brass body and disc, neoprene seat, factory sealed and stamped with ASME UV and National Board
<br />Certification NB, selected to ASHRAE Sid 15, with standard setting of 235 psi.
<br />H. Expansion Valves
<br />1. Manufacturers: Flow Controls (Emerson Climate Technologies), Parker Hannifin, or Sporlan Co.
<br />2. Angle or Straight Through Type: AHRI 750; design suitable for refrigerant, brass body, internal or external equalizer, bleed hole, adjustable
<br />superheat setting, replaceable inlet strainer, with non -replaceable capillary tube and remote sensing bulb and remote bulb well.
<br />3. Selection: Evaluate refrigerant pressure drop through system to determine available pressure drop across valve. Select valve for maximum
<br />load at design operating pressure and minimum 10 degrees F superheat. Select to avoid being undersized at full load and excessively
<br />oversized at part load.
<br />I. Electronic Expansion Valves
<br />1. Manufacturers: Flomatic Valves, Parker Hannifin, or Sporlan Co.
<br />2. Valve:
<br />a. Brass body with flared or solder connection, needle valve with floating needle and machined seat, stepper motor drive.
<br />3. Evaporation Control System:
<br />a. Electronic microprocessor based unit in enclosed case, proportional integral control with adaptive superheat, maximum operating pressure
<br />function, preselection allowance for electrical defrost and hot gas bypass.
<br />4. Refrigeration System Control: Electronic microprocessor based unit in enclosed case, with proportional integral control of valve, on/off
<br />thermostat, air temperature alarm (high and low), solenoid valve control, liquid injection adaptive superheat control, maximum operating
<br />pressure function, night setback thermostat, timer for defrost control.
<br />J. Receivers
<br />1. Manufacturers: Henry Technologies, Parker Hannifin, or Sherwood Valve/Harsco Corp.
<br />2. Internal Diameter 6 inch and Smaller:
<br />a. AHRI 495, UL listed, steel, brazed; 400 psi maximum pressure rating, with tappings for inlet, outlet, and pressure relief valve.
<br />3. Internal Diameter Over 6 inch:
<br />a. AHRI 495, welded steel, tested and stamped in accordance with ASME BPVC-VIII-1; 400 psi with tappings for liquid inlet and outlet
<br />valves, pressure relief valve, and magnetic liquid level indicator.
<br />K. Pipe Supports:
<br />1. Pipes subject to vibration: Isolation type brackets
<br />2. Pipes not subject to vibration: Anvil No. CT-95 or equal
<br />3. Riser damps: Anvil CT-121 or equal
<br />L. Escutcheons: Chrome plated escutcheons sized for pipe.
<br />PART 3 - EXECUTION
<br />3.1 INSTALLATION
<br />A. Make solder joints with carbon dioxide or nitrogen passing through joints being soldered. Insure a clean, tight system. Pull a dean rag through
<br />each piece of tubing after cutting or reaming.
<br />B. Route piping in orderly manner, parallel or perpendicular to building structure, and maintain gradient.
<br />C. Install piping to allow for expansion and contraction without stressing pipe, joints, or connected equipment.
<br />D. Arrange piping to return oil to compressor. Provide traps and loops in piping, and provide double risers as required. Slope horizontal piping 0.40
<br />percent in direction of flow.
<br />E. Install refrigeration specialties in accordance with manufacturer's instructions.
<br />F. Insulate piping and equipment
<br />G. Install pipe and hangers in accordance with hanger manufacturer's printed instructions.
<br />3.2 LEAK TESTING
<br />A. Test for leaks by use of carbon dioxide or nitrogen and a liquid soapsuds solution. Correct leaks found.
<br />B. Pressurize system, with carbon dioxide or nitrogen, to 300 psig on the high side, and 200 psig on the low side, and test for leaks. Then test for
<br />leaks using a Halide leak detector. Correct leaks found.
<br />C. Evacuate system and charge with specified refrigerant until the manufacturer's recommended operating presssure is reached.
<br />1.4 SUBMITTALS
<br />A. Submit material/product data as described in Division 01.
<br />B. Certifications: Provide a duct schedule, certified by an officer of the sheet metal fabrication subcontractor, that the ductwork conforms to
<br />SMACNA standards. For each sheet metal system furnished on the project include:
<br />1. System name
<br />2. Duct material
<br />3. Ductgauge
<br />4. SMACNA rectangular reinforcement number
<br />5. SMACNA intermediate reinforcement number
<br />6. SMACNA transverse reinforcement number
<br />7. Rod diameter and type
<br />8. Sealant type
<br />9. Attachment method
<br />10. Duct system design pressure
<br />C. Field Conditions
<br />1. Do not install duct sealants when temperatures are less than those recommended by sealant manufacturer.
<br />2. Maintain temperature within acceptable range during and after installation of duct sealants.
<br />1.5 QUALITY ASSURANCE
<br />A. Provide an installed duct system which will supply the air quantities indicated by the drawings and have the lowest possible friction loss with
<br />the least possible leakage loss. System static pressure loss for each system shall not exceed that which is indicated in the equipment
<br />schedule as external static pressure or in the fan schedule as static pressure and shall include the losses of all accessories. Friction losses
<br />shall be minimized by reduction in the number of offsets and elbows by pre -planning the duct system installation and coordination with other
<br />trades to prevent interferences. Maintain access to accessories requiring maintenance, service, and inspection. Radius elbows are preferred
<br />for turns to minimize friction, noise, and vibrations.
<br />B. Provide and/or construct materials, ductwork, joints, transformations, splitters, dampers, and access doors as specified herein for the sheet
<br />metal ductwork as shown on drawings.
<br />C. SMACNA Manual: Sheet Metal Tradesman shall have access on the construction site to "HVAC Duct Construction Standards". Comply with
<br />applicable provisions of the SMACNA Manual and more stringent requirements of this specification.
<br />D. Quality control involves not only the general performance requirements for air ducts, but also quality workmanship which includes layout
<br />pre -planning so that offsets, rises, falls, elbows, fittings, etc., are minimized or eliminated. General performance requirements for ducts
<br />include:
<br />1. Dimensional stability (shape deformation and strength)
<br />2. Containment of the air being conveyed (leakage control). See Part 3 of this specification for leakage testing.
<br />3. Vibration (fatigue and appearance)
<br />4. Noise (generation, transmission, or attenuation)
<br />5. Exposure (to damage, weather, temperature extremes, flexure cycles, wind, corrosive atmospheres, biological contamination, flow
<br />interruption or reversal, underground or other encasement conditions, combustion, or other in-service conditions)
<br />6. Support (alignment and position retention)
<br />7. Seismic restraint
<br />8. Thermal conductivity (heat gain or loss and condensation control)
<br />E. Provide galvanized duct materials which meet applicable requirements of local and state codes, whichever is the most stringent.
<br />F. Support ductwork in accordance with applicable requirements of local and state codes and details on drawings.
<br />G. Emboss fittings with material gauge, manufacturer, and type material.
<br />H. Sealers, liners, pre -insulated jackets and flexible ducts shall comply with a flame spread rating of 25 or less and a smoke developed rating of
<br />not over 50.
<br />PART2-PRODUCTS
<br />2.1 MATERIAL
<br />A. Sheet metal ductwork, angles, bar slips, hangers, and straps: Galvanized, prime quality steel sheets.
<br />B. Screws: Cadmium plated.
<br />C. Joint Sealers: water resistant, mildew and mold resistant
<br />1. Suitable for indoor and outdoor use, fiber reinforced, with UV inhibitors.
<br />2. Surface burning characteristics: Flame spread of zero and smoke developed of zero when tested in accordance with ASTM E84.
<br />3. Suitable for use with flexible ducts and UL listed.
<br />4. Acceptable Products:
<br />a. Substitutions: Not permitted.
<br />5. Pressure sensitive tape is not acceptable.
<br />D. Duct Sealing:
<br />1. All longitudinal and transverse joints, seams and duct sidewall penetrations, regardless of pressure classification, shall be sealed with duct
<br />sealer. Follow SMANCA Table 1-2, Seal Class A for all supply, return, exhaust, relief, and make-up air ductwork.
<br />2. See Leakage Testing of Installed Systems requirements in Part 3.
<br />E. Sheetmetal accessories: As specified in Section 23 23 00.
<br />2.2 PRESSURE CLASSIFICATION
<br />A. Ductwork where maximum dimension is less than 97" shall be constructed based on applicable pressure classification in accordance with
<br />SMACNA Manual including sheetmetal gauge, reinforcement gauge and spacing.
<br />B. Construct the following for 1" pressure classification, Table 1- 4:
<br />1. Supply ductwork downstream of air terminal units
<br />2. Low pressure supply ductwork to reheat coils
<br />3. Low pressure supply, return, and outside air ductwork at fan coil units
<br />C. Construct the following for 2" pressure classification, Table 1- 5:
<br />1. Return ductwork
<br />2. Exhaust ductwork
<br />3. Make-up air ductwork
<br />2.3 RECTANGULAR DUCTWORK
<br />A. Transverse Joints:
<br />1. "S" and drive construction for V and 2" w.g. pressure classification.
<br />a. Provide duct gauge and reinforcing angles in accordance with Table 1-11
<br />2. Duct Connection System: Connection system as manufactured by Ductmate or Nexus shall incorporate gasketed joints, metal cleats and
<br />bolted comers. Minimum metal gauge shall be 24 gauge. Connection systems may be used for all pressure classifications.
<br />B. Longitudinal Seams: Pittsburg Lock
<br />C. Transitions:
<br />1. Do not exceed 1" in 7" of slope for increase -in -area transitions.
<br />2. Do not exceed 1" in 4" of slope for decrease -in -area transitions, 1" in 7" is preferable.
<br />3. Do not exceed 45 degrees on the entering or leaving side for angle of transitions at connections to equipment without the use of approved
<br />turning vanes.
<br />D. Elbows:
<br />1. Fabricate ells using one of the following specifications: The fabrication methods are listed in order of preference. Use radius elbows where
<br />ever possible. Use square elbows only when available space prevents the use of radius elbows.
<br />a. Unvaned, long radius elbow with the throat radius equal to 3/4 of the width of the duct and with a full heel radius.
<br />b. Six inch throat radius with full radius, single thickness vanes and full heel radius. Maximum unsupported length of vanes shall be 36".
<br />Securely fasten vanes to runners. Secure vanes in stable position. Construct vane edges to project tangents parallel to duct sides.
<br />c. Square elbows with airfoil, double thickness turning vanes.
<br />2. Turning vanes:
<br />a. Acceptable manufacturers: Aero Dyne
<br />b. Substitutions: Not permitted.
<br />c. True airfoil design; smoothly -rounded entry nose with extended trailing edge. Generated sound power level shall not exceed 54
<br />decibels in band 4 at 2000 FPM in a 24"x24" duct
<br />d. Fabricate assemblies with Aero Dyne Co. side rails; install vanes on design centers of 2.4 inches across the full diagonal dimension of
<br />the elbow.
<br />e. Submit Aero Dyne product and performance data for review.
<br />E. Branch Connections:
<br />1. Pressure classification 2" and less:
<br />a. Rectangular branch from rectangular main: 45 degree entry with all corners closed as shown in Figure 2-8
<br />b. Round branches: Spin -in fitting without scoop.
<br />c. Parallel flow branches: See Figure 2-7.
<br />d. Space duct joints to avoid cutting them for branch take offs and outlet collars.
<br />PART 3 - EXECUTION
<br />3.1 INSTALLATION, APPLICATION, ERECTION
<br />A. Do not exceed 45 degrees for easement transition angle.
<br />B. Seal all transverse and longitudinal joints and seams and duct wall penetrations with approved sealer in accordance with manufacturer's
<br />directions regardless of pressure class.
<br />C. Counterflash ductwork penetrating roof.
<br />D. Support round ducts from building structure with galvanized steel hangers in accordance with SMACNA. Secure hangers to masonry portion
<br />of building by means of inserts or other acceptable anchors.
<br />E. Secure hangers to steel structure members by means of C-clamps. Vertical risers, and other duct runs where methods of support specified
<br />above are not applicable, shall be supported by angle brackets as shown in SMACNA manual.
<br />F. Where appropriate based on dud weight, support rectangular duds by minimum, 1" x 18 gauge, galvanized band iron or minimum 3/8"
<br />galvanized rod hangers attached to reinforcing angles and spaced same as reinforcing angles. Design hangers, reinforcing angles and other
<br />components to support weight of duct and insulation. Secure hangers to concrete beam or slab by adequately sized inserts, anchor shield and
<br />bolt, toggle bolt, or expansion bold.
<br />G. Attach hangers to ductwork using sheet metal screws.
<br />H. Space hangers approximately 8' along the duct for ducts under 60". For ducts over 60" and larger and heavier sections, such as welded duct
<br />and sound absorbers, space hangers at approximately 4' intervals.
<br />I. Hangers and bracing used with ductwork shall be galvanized.
<br />J. Provide smooth insulation finish around damper operating quadrants, splitter adjusting clamps, access doors, and similar operating devices.
<br />Provide metal collar equivalent in depth to insulation thickness. Access door locks and damper handles shall be free from mastic or sealant.
<br />K. In addition to the requirements above, add supplemental bracing as necessary to prevent sagging and drumming, and/or vibration.
<br />3.2 CLEANING
<br />A. Clean mechanical system thoroughly to assure all foreign matter and dirt is removed.
<br />3.3 LEAKAGE TESTING OF INSTALLED SYSTEMS
<br />A. Test duct for leakage in accordance with SMACNA HVAC Air Duct Leakage Test Manual. Use prescribed test kit containing test blower, two
<br />U-tube manometers and calibrated curve attached to the orifice tube assembly.
<br />B. Pressure testing shall include taps/take-offs to air terminal units in medium pressure ductwork and taps/take-offs to air devices in supply,
<br />return, and exhaust ductwork.
<br />C. Pressurize all installed duct systems for each pressure class to maximum pressure for fabrication classification. The leakage amount shall not
<br />exceed the allotted amount for the pressure class or the allotted amount for that portion of the system as follows:
<br />1. 1" Pressure Class - Leakage Class 6; Max. Leakage Factor - 6.0 CFM/100 SF
<br />2. 2" Pressure Class - Leakage Class 6; Max. Leakage Factor - 9.4 CFM/100 SF
<br />3. 1" and 2" Pressure Class exhaust ductwork connected to or serving fume hoods, bio-safety cabinets, chemical or hazardous storage
<br />rooms, smoke removal/purge systems, laboratory spaces, isolation rooms, bronchoscopy rooms, and nuclear medicine rooms shall be
<br />construction and tested as follows:
<br />a. 1" Pressure Class -Leakage Class 3; Max. Leakage Factor- 3.0 CFM/100 SF
<br />b. 2" Pressure Class - Leakage Class 3; Max. Leakage Factor - 4.7 CFM/100 SF
<br />4. 6" Pressure Class -Leakage Class 3; Max. Leakage Factor- 9.6 CFM/100 SF
<br />D. All ductwork shall be leak tested first before being enclosed in a shaft or above other inaccessible areas.
<br />E. Correct leaks found in excess of allowable limits. Retest until acceptable leakage is witnessed.
<br />F. Have test results available for review on a progressive and final basis. Include all test results in project closing file along with name, signature,
<br />and date of independent witness to testing. Test results shall show preliminary and final test results and include all calculations used to
<br />determine system compliance with the maximum specified leakage rate.
<br />3.4 AIR TEST AND BALANCE
<br />A. Prepare the system for tests as specified in Section 23 05 93 and correct deficiencies found by the Test and Balance firm.
<br />B. Duct dimensions shown on drawings indicate inside clear dimensions. Make calculation allowances for duct requiring internal sound lining, or
<br />insulation to provide "inside clear" (IC) dimensions.
<br />END OF SECTION 23 31 13FCS-Zephyrhills CTUSA
<br />23 81 26 - 25SMALL SPLIT -SYSTEM HEATING AND COOLING
<br />FCS-Zephyrhills CTUSA
<br />23 81 26 - 22SMALL SPLIT -SYSTEM HEATING AND COOLING
<br />SECTION 23 81 26
<br />SMALL SPLIT -SYSTEM HEATING AND COOLING
<br />PART 1 GENERAL
<br />1.1 SECTION INCLUDES
<br />A. Air -source heat pumps.
<br />B. Air cooled condensing units.
<br />C. Indoor air handler (fan & coil) units for dud connection.
<br />D. Controls.
<br />1.2 RELATED REQUIREMENTS
<br />A. Section 23 05 00 - Common Work Results for HVAC
<br />B. Section 23 05 93 - Testing, Adjusting, and Balancing for HVAC
<br />C. Section 23 31 13 - Sheetmetal Ductwork
<br />1.3 REFERENCE STANDARDS
<br />A. AHRI 210/240 - Standard for Performance Rating of Unitary Air Conditioning and Air -Source Heat Pump Equipment; Air -Conditioning,
<br />Heating, and Refrigeration Institute; 2008.
<br />B. AHRI 270 - Sound Rating of Outdoor Unitary Equipment; Air -Conditioning, Heating, and Refrigeration Institute; 2008.
<br />C. AHRI 520 - Performance Rating of Positive Displacement Condensing Units; Air-Condtioning, Heating, and Refrigeration Institute; 2004.
<br />D. NFPA 90A - Standard for the Installation of Air -Conditioning and Ventilating Systems; National Fire Protection Association; 2012.
<br />E. NFPA 90B - Standard for the Installation of Warm Air Heating and Air Conditioning Systems; National Fire Protection Association; 2012.
<br />F. UL 207 - Refrigerant -Containing Components and Accessories, Nonelectrical; Underwriters Laboratories Inc.; Current Edition, Including AII
<br />Revisions.
<br />1.4 SUBMITTALS
<br />A. Product Data: Provide rated capacities, weights, accessories, electrical nameplate data, and wiring diagrams.
<br />B. Design Data: Indicate refrigerant pipe sizing.
<br />C. Warranty: Submit manufacturers warranty and ensure forms have been filled out in Owner s name and registered with manufacturer.
<br />D. Maintenance Materials: Furnish the following for Owners use in maintenance of project.
<br />1. Extra Filters: One for each unit.
<br />1.5 QUALITY ASSURANCE
<br />A. Manufacturer Qualifications: Company specializing in manufacturing the type of products specified in this section, with minimum five years of
<br />experience.
<br />1.6 WARRANTY
<br />A. Provide one year parts and labor warranty for all unit components.
<br />PART PRODUCTS
<br />2.1 ACCEPTABLE MANUFACTURERS
<br />A. Trane or Carrier.
<br />B. Substitutions: Refer to Division 01.
<br />2.2 SYSTEM DESIGN
<br />A. Split -System Heating and Cooling Units. Self-contained, packaged, matched factory -engineered and assembled, pre -wired indoor and
<br />outdoor units; UL listed.
<br />1. Heating and Cooling: Air -source electric heat pump located in outdoor unit with evaporator, auxiliary electric heat
<br />2. Provide refrigerant lines internal to units and between indoor and outdoor units, factory cleaned, dried, pressurized and sealed, with
<br />insulated suction line.
<br />B. Performance Requirements: See Drawings for additional requirements.
<br />1. Efficiency:
<br />a. Comply with ASHRAE Std 90.1.
<br />2.3 INDOOR UNITS FOR DUCTED SYSTEMS
<br />A. Indoor Units: Self-contained, packaged, factory assembled, pre -wired unit consisting of cabinet, supply fan, heating and cooling element(s),
<br />controls, and accessories, wired for single power connection with control transformer.
<br />1. Air Flow Configuration: Upflow.
<br />2. Cabinet Steel with baked enamel finish, easily removed and secured access doors with safety interlock switches, glass fiber insulation
<br />with reflective liner.
<br />B. Supply Fan: Centrifugal type rubber mounted with direct or belt drive with adjustable variable pitch motor pulley.
<br />1. Motor: NEMA MG 1; 1750 rpm single speed, permanently lubricated, hinge mounted.
<br />C. Air Filters: 1 inch thick glass fiber, disposable type arranged for easy replacement.
<br />D. Evaporator Coils: Copper tube aluminum fin assembly, galvanized or polymer drain pan sloped in all directions to drain, drain connection,
<br />refrigerant piping connections, restricted distributor or thermostatic expansion valve.
<br />1. Construction and Ratings: In accordance with AHRI 210/240 and UL 207.
<br />2. Manufacturers: System manufacturer.
<br />2.4 OUTDOOR UNITS
<br />A. Outdoor Units: Self-contained, packaged, pre -wired unit consisting of cabinet, with compressor and condenser.
<br />1. Comply with AHRI 210.
<br />2. Refrigerant: Use only refrigerants that have ozone depletion potential (ODP) of zero and global warming potential (GWP) of less than 50.
<br />3. Refrigerant: R-410A.
<br />4. Cabinet: Galvanized steel with baked enamel finish, easily removed and secured access doors with safety interlock switches, glass fiber
<br />insulation with reflective liner.
<br />5. Construction and Ratings: In accordance with AHRI 210/240 with testing in accordance with ASHRAE Sid 23.1 and UL 207.
<br />6. Sound Rating: 69 dBA, when measured in accordance with AHRI 270.
<br />B. Compressor: AHRI 520; hermetic, 3600 rpm, resiliently mounted integral with condenser, with positive lubrication, crankcase heater, high
<br />pressure control, motor overload protection, service valves and drier. Provide time delay control to prevent short cycling .
<br />C. Air Cooled Condenser: ARI 520; Aluminum fin and copper tube coil, with direct drive axial propeller fan resiliently mounted, galvanized fan
<br />guard.
<br />1. Condenser Fans: Direct -drive propeller type.
<br />2. Condenser Fan Motor: Enclosed, 3 ph, permanently lubricated.
<br />D. Coil: Air-cooled, aluminum fins bonded to copper tubes.
<br />E. Accessories: Filter drier, high pressure switch (manual reset), low pressure switch (automatic reset), service valves and gage ports,
<br />thermometer well (in liquid line).
<br />1. Provide thermostatic expansion valves.
<br />F. Operating Controls:
<br />1. Control by room thermostat to maintain room temperature setting.
<br />2. Low Ambient Kit: Provide refrigerant pressure switch to cycle condenser fan on when condenser refrigerant pressure is above 285 psig
<br />and off when pressure drops below 140 psig for operation to 0 degrees F.
<br />2.5 ACCESSORY EQUIPMENT
<br />A. Room Thermostat: Wall -mounted, electric solid state based room thermostat with remote sensor to maintain temperature setting; low -voltage;
<br />with following features:
<br />1. Automatic switching from heating to cooling.
<br />2. Preferential rate control to minimize overshoot and deviation from setpoint
<br />3. Thermostat display:
<br />a. Actual room temperature.
<br />b. Programmed temperature.
<br />c. System mode indication: heating, cooling, fan auto, off, and on, auto or on, off.
<br />PART 3 EXECUTION
<br />3.1 EXAMINATION
<br />A. Verity that substrates are ready for installation of units and openings are as indicated on shop drawings.
<br />B. Verify that proper power supply is available and in correct location.
<br />C. Verify that proper fuel supply is available for connection.
<br />3.2 INSTALLATION
<br />A. Install in accordance with manufacturer's instructions and requirements of local authorities having jurisdiction.
<br />B. Install in accordance with NFPA 90A and NFPA 90B.
<br />C. Provide reinforced housekeeping pad for units mounted on grade. Pad shall be made level and 6" wider than unit on all sides unless noted
<br />otherwise.
<br />D. Secure refrigerant lines to prevent vibration.
<br />E. Locate outdoor unit to comply with manufacturer's recommended minimum clearances.
<br />F. Startup and test units for proper operation, both heating and cooling, in accordance with manufacturer's recommendations and HVAC test and
<br />balance requirements.
<br />END OF SECTION 23 81 26
<br />SaltC®, ILILC
<br />AA 26001479
<br />Sheet Notes:
<br />Smith
<br />Seckman
<br />SRReid, Inc.
<br />301 North Cattlemen Road, Suite 300
<br />Sarasota, FL 34232
<br />(941) 907-7750
<br />FAX: (941) 907-7751
<br />www.ssr-inc.com
<br />Firm Certification - CA-0000857
<br />SSR# 1636044.0
<br />Erick Phelps - PE #64598
<br />Christopher E. Durham - PE #76655
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<br />Key Plan
<br />MARK ISSUE DATE DESCRIPTION
<br />Issue Log
<br />CONSTRUCTION
<br />DOCUMENTS
<br />FLORIDA CANCER SPECIALISTS
<br />EQUIPMENT REPLACEMENT
<br />38010 MEDICAL CENTER AVE.
<br />ZEPHYRHILLS, FL 33540
<br />Drawing Title
<br />MECHANICAL
<br />SPECIFICATIONS
<br />1ii:Tli!
<br />07/15/2016
<br />Scale NTS
<br />Sheet Number
<br />M003
<br />Drawn By DAO
<br />Approved By EAP
<br />Filename
<br />Sa1tCo, LLC 2007
<br />
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