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HomeMy WebLinkAboutM3.2 MechanicalGENERAL MECHANICAL REQUIREMENTS: MECHANICAL CONTRACTOR SHALL SUBMIT COMPLIANCE CHECKLIST TO BUILDING OFFICIAL UPON SUBSTANTIAL COMPLETION OF PROJECT. PROVIDE EQUIPMENT INDICATED ON THE DRAWINGS, AND AS REQUIRED FOR A COMPLETE FUNCTIONING SYSTEM. DEFINITIONS: FURNISH MEANS TO SUPPLY AND DELIVER TO PROJECT SITE, READY FOR INSTALLATION. INSTALL MEANS TO PLACE IN POSITION AND MAKE CONNECTIONS FOR SERVICE OR USE. PROVIDE MEANS TO FURNISH AND INSTALL, COMPLETE AND READY FOR INTENDED USE. COORDINATION: COORDINATE WITH THE WORK OF OTHER SECTIONS, EQUIPMENT FURNISHED BY OTHERS, REQUIREMENTS OF THE OWNER, AND WITH THE CONSTRAINTS OF THE EXISTING CONDITIONS OF THE PROJECT SITE. DUCT DIMENSIONS: UNLESS OTHERWISE NOTED, DUCT DIMENSIONS ON THE DRAWINGS ARE INSIDE CLEAR DIMENSIONS. END OF SECTION SECTION 230700 - HVAC INSULATION PART 2 - PRODUCTS 2.1 PERFORMANCE REQUIREMENTS A. SURFACE-BURNING CHARACTERISTICS: 1. INDOOR INSULATION AND RELATED MATERIALS: TO BE FACTORY LABELED DESIGNATING MAXIMUM FLAME-SPREAD INDEX OF 25 OR LESS, AND SMOKE-DEVELOPED INDEX OF 50 OR LESS ACCORDING TO $670¬(¬ 2.2 INSULATION MATERIALS A. FLEXIBLE ELASTOMERIC: CLOSED-CELL, SPONGE- OR EXPANDED-RUBBER MATERIALS. COMPLY WITH $670¬&¬ 7<3(¬, )25 78%8/$5 0$7(5,$/6 $1' 7<3(¬,, )25 6+((7 0$7(5,$/6 B. 0,1(5$/),%(5 %/$1.(7 ,168/$7,21 &203/< :,7+ $670¬&¬ 7<3(¬,, $1' $670¬&¬ 7<3(¬, 1. FSK JACKET: ALUMINUM-FOIL, FIBERGLASS-REINFORCED SCRIM WITH KRAFT-PAPER BACKING; COMPLYING WITH $670¬&¬ 7<3(¬,, 2. FSK TAPE: FOIL-FACE, VAPOR-RETARDER TAPE MATCHING FACTORY-APPLIED JACKET WITH ACRYLIC ADHESIVE; &203/<,1* :,7+ $670¬&¬ C. MINERAL-FIBER, PIPE AND TANK INSULATION: COMPLYING WITH $670¬&¬ 7<3(¬,, OR 7<3(¬,,,$ &$7(*25<¬ OR WITH PROPERTIES SIMILAR TO $670¬&¬ 7<3(¬,% AND HAVING FACTORY-APPLIED ASJ JACKET. NOMINAL DENSITY IS 2.5 LB/CU. FT. OR MORE. THERMAL CONDUCTIVITY (K-VALUE) AT 100 '(*¬) IS 0.29 BTU X IN./H X SQ. FT. X '(*¬) OR LESS. 1. ASJ: WHITE, KRAFT-PAPER, FIBERGLASS-REINFORCED SCRIM WITH ALUMINUM-FOIL BACKING; COMPLYING WITH $670¬&¬ 7<3(¬, 2. ASJ TAPE: WHITE VAPOR-RETARDER TAPE MATCHING FACTORY-APPLIED JACKET WITH ACRYLIC ADHESIVE, &203/<,1* :,7+ $670¬&¬ D. )/(;,%/( (/$6720(5,& $'+(6,9( &203/< :,7+ 0,/$$ 7<3(¬,, &/$66¬, E. 0,1(5$/),%(5 $'+(6,9( &203/< :,7+ 0,/$& &/$66¬ *5$'(¬$ F. VAPOR-BARRIER MASTIC: WATER BASED; SUITABLE FOR INDOOR AND OUTDOOR USE ON BELOW AMBIENT 6(59,&(6 &203/< :,7+ 0,/35)& 7<3(¬,, PART 3 - EXECUTION 3.1 INSULATION INSTALLATION A. COMPLY WITH REQUIREMENTS OF THE MIDWEST INSULATION CONTRACTORS ASSOCIATION'S "NATIONAL COMMERCIAL & INDUSTRIAL INSULATION STANDARDS" FOR INSULATION INSTALLATION ON PIPES AND EQUIPMENT. B. INSULATION INSTALLATION AT INTERIOR WALL AND PARTITION PENETRATIONS (THAT ARE NOT FIRE RATED): INSTALL INSULATION CONTINUOUSLY THROUGH WALLS AND PARTITIONS. C. INSULATION INSTALLATION AT FIRE-RATED WALL, PARTITION, AND FLOOR PENETRATIONS: INSTALL INSULATION &217,18286/< 7+528*+ 3(1(75$7,216 6($/ 3(1(75$7,216 &203/< :,7+ 5(48,5(0(176 ,1 6(&7,21¬ D. FLEXIBLE ELASTOMERIC INSULATION INSTALLATION: 1. SEAL LONGITUDINAL SEAMS AND END JOINTS WITH ADHESIVE TO ELIMINATE OPENINGS IN INSULATION THAT ALLOW PASSAGE OF AIR TO SURFACE BEING INSULATED. 2. INSULATION INSTALLATION ON PIPE FITTINGS AND ELBOWS: INSTALL MITERED SECTIONS OF PIPE INSULATION. SECURE INSULATION MATERIALS AND SEAL SEAMS WITH ADHESIVE TO ELIMINATE OPENINGS IN INSULATION THAT ALLOW PASSAGE OF AIR TO SURFACE BEING INSULATED. E. MINERAL-FIBER INSULATION INSTALLATION: 1. INSULATION INSTALLATION ON STRAIGHT PIPES AND TUBES: WHERE VAPOR BARRIERS ARE INDICATED, SEAL LONGITUDINAL SEAMS, END JOINTS, AND PROTRUSIONS WITH VAPOR-BARRIER MASTIC AND JOINT SEALANT. 2. FOR INSULATION WITH FACTORY-APPLIED JACKETS ON ABOVE AMBIENT SURFACES, SECURE LAPS WITH OUTWARD CLINCHED STAPLES AT 6 INCHES O.C. 3. FOR INSULATION WITH FACTORY-APPLIED JACKETS ON BELOW AMBIENT SURFACES, DO NOT STAPLE LONGITUDINAL TABS BUT SECURE TABS WITH ADDITIONAL ADHESIVE AS RECOMMENDED BY INSULATION MATERIAL MANUFACTURER AND SEAL WITH VAPOR-BARRIER MASTIC AND FLASHING SEALANT. 4. BLANKET INSULATION INSTALLATION ON DUCTS AND PLENUMS: SECURE WITH ADHESIVE AND INSULATION PINS. 5. FOR DUCTS AND PLENUMS WITH SURFACE TEMPERATURES BELOW AMBIENT, INSTALL A CONTINUOUS UNBROKEN VAPOR BARRIER. F. PLENUMS AND DUCTS REQUIRING INSULATION: 1. CONCEALED SUPPLY AIR. 2. CONCEALED AND EXPOSED OUTDOOR AIR. 3. CONCEALED AND EXPOSED RETURN AIR LOCATED IN NONCONDITIONED SPACE. 3.2 DUCT AND PLENUM INSULATION SCHEDULE RETAIN ¬21( OF" OPTION IN PARAGRAPHS IN THIS ARTICLE TO ALLOW CONTRACTOR TO SELECT PIPING MATERIALS FROM THOSE RETAINED. A. CONCEALED DUCT INSULATION SHALL BE µ THICK MINERAL-FIBER BLANKET WITH A 1.5-LB/CU. FT. NOMINAL DENSITY. 3.3 HVAC PIPING INSULATION SCHEDULE A. &21'(16$7( 3,3,1* ,168/$7,21 6+$// %( µ 7+,&. )/(;,%/( (/$6720(5,& B. 5()5,*(5$17 3,3,1* ,168/$7,21 6+$// %( µ 7+,&. )/(;,%/( (/$6720(5,& END OF SECTION 230700 SECTION 233100 - HVAC DUCTS AND CASINGS PART 2 - PRODUCTS 2.1 PERFORMANCE REQUIREMENTS A. COMPLY WITH SMACNA'S "HVAC DUCT CONSTRUCTION STANDARDS - METAL AND FLEXIBLE." B. STRUCTURAL PERFORMANCE: DUCT HANGERS AND SUPPORTS SHALL WITHSTAND THE EFFECTS OF GRAVITY LOADS AND STRESSES WITHIN LIMITS AND UNDER CONDITIONS DESCRIBED IN SMACNA'S "HVAC DUCT CONSTRUCTION STANDARDS - METAL AND FLEXIBLE". C. &203/< :,7+ 1)3$¬ )25 '8&76 &211(&7(' 72 &200(5&,$/ .,7&+(1 +22'6 2.2 DUCTS A. *$/9$1,=('67((/ 6+((7 $670¬$¬$¬0 $1' $  :,7+ * +27',3 *$/9$1,=(' &2$7,1* 1. GALVANIZED COATING DESIGNATION: G90. 2. FINISHES FOR SURFACES EXPOSED TO VIEW: MILL PHOSPHATIZED. DUCTWORK SHALL BE CLEANED OF DEBRIS AND OIL, THEN WIPED DOWN WITH VINEGAR OR OTHER SURFACE PREPARING CHEMICAL TO PREPARE DUCT FOR PAINT. B. JOINT AND SEAM TAPE, AND SEALANT: COMPLY WITH 8/¬$ PROVIDE POLYMERIC RUBBER TYPE SEALANT FOR USE ON BOTH INTERIOR LOCATED DUCTWORK AND DUCTWORK EXPOSED TO OUTDOOR CONDITIONS. SEALER SHALL HAVE HIGH BONDING STRENGTH FOR SURE, FIRST TIME SEALING OF JOINTS IN LOW, MEDIUM, AND HIGH PRESSURE DUCT SYSTEMS. SEALER SHALL BE HIGH IN SOLID CONTENT. PROVIDE A TWO PART TAPE SEALING SYSTEM, CONSISTING OF WOVEN FIBER TAPE IMPREGNATED WITH A GYPSUM MINERAL COMPOUND, AND A MODIFIED ACRYLIC/SILICONE ACTIVATOR THAT REACTS EXOTHERMICALLY WITH THE TAPE. TWO PART TAPE SEALING SYSTEM MUST BE RATED FOR BOTH INDOOR AND OUTDOOR APPLICATION. TAPE SHALL NOT CONTAIN ASBESTOS. C. METAL DUCT FABRICATION: COMPLY WITH SMACNA'S "HVAC DUCT CONSTRUCTION STANDARDS - METAL AND FLEXIBLE." 2.3 ACCESSORIES A. VOLUME DAMPERS AND CONTROL DAMPERS: SINGLE-BLADE AND MULTIPLE OPPOSED-BLADE DAMPERS, STANDARD LEAKAGE RATING, AND SUITABLE FOR HORIZONTAL OR VERTICAL APPLICATIONS; FACTORY FABRICATED AND COMPLETE WITH REQUIRED HARDWARE AND ACCESSORIES. 1. ROUND VOLUME DAMPERS: PROVIDE MINIMUM 20 GAUGE GALVANIZED STEEL FRAME AND BLADES, MINIMUM 3/8" SQUARE STEEL AXLE, MOLDED SYNTHETIC BEARINGS, WITH LOCKING POSITION REGULATOR. REGULATOR SHALL BE POSITIONED WITH SHEET METAL BRACKET BEYOND DUCT COVERING. WHERE POSITIONING REGULATOR IS NOT ACCESSIBLE, PROVIDE COUPLING AND EXTENSION ROD WITH REGULATOR FOR CEILING OR WALL INSTALLATION, AS REQUIRED. 2. RECTANGULAR VOLUME DAMPERS: PROVIDE MINIMUM 16 GAUGE GALVANIZED STEEL CHANNEL FRAME, 16 GAUGE GALVANIZED STEEL BLADES, MINIMUM ô HEXAGONAL AXLE, BOLDED SYNTHETIC BEARINGS, WITH 3/8" SQUARE PLATED STEEL CONTROL SHAFT. LINKAGES SHALL BE CONCEALED IN THE FRAME. OPERATING SHAFT SHALL EXTEND BEYOND FRAME AND DUCT TO A LOCKING QUADRANT WITH ADJUSTABLE LEVER. MAXIMUM BLADE WIDTH SHALL NOT EXCEED 6". B. FLEXIBLE DUCT CONNECTORS: FLAME-RETARDED OR NONCOMBUSTIBLE FABRICS, COATINGS, AND ADHESIVES &203/<,1* :,7+ 8/¬ &/$66  &211(&725 72 %(  281&( 1(235(1( &2$7(' ),%(5*/$66 )$%5,& C. FLEXIBLE DUCTS: FACTORY ASSEMBLED, 8/¬ &/$66¬ WITH 1-1/2-INCH THICK (R-5 MIN.), 1 PCF FIBERGLASS INSULATION AND REINFORCED OUTER PROTECTIVE COVER/VAPOR BARRIER. FLEXIBLE DUCT SHALL MEET NFPA 90A WITH FLAME SPREAD UNDER 25, SMOKE DEVELOPED UNDER 50, AND SHALL BE RATED FOR MINIMUM 2-INCH WG PRESSURE AND 0 TO ž) TEMPERATURE. PROVIDE SCREW-OPERATED METAL ADJUSTABLE CLAMPING DEVICES. USE TWIST-LOCK CONICAL TAP COLLARS AT CONNECTIONS INTO SHEET METAL DUCTWORK. MAXIMUM EXTENDED LENGTH OF FLEXIBLE DUCT SHALL NOT EXCEED 5 FEET. D. TURNING VANES: PROVIDE FABRICATED TURNING VANES AND VANE RUNNERS, CONSTRUCTED IN ACCORDANCE WITH SMACNA "HVAC DUCT CONSTRUCTION STANDARDS". PROVIDE TURNING VANES CONSTRUCTED OF CURVED BLADES, SUPPORTED WITH BARS PERPENDICULAR TO BLADES, AND SET INTO SIDE STRIPS SUITABLE FOR MOUNTING IN DUCTWORK. FOLLOW SMACNA GUIDELINES FOR SPACING SUPPORT, AND CONSTRUCTION. ALL BLADES SHALL BE DOUBLE THICKNESS AIRFOIL TYPE. E. BIRD SCREENS AND FRAMES: PROVIDE BIRD SCREENS THAT CONFORM TO ASTM E 2016, NO. 2 MESH, ALUMINUM OR STAINLESS STEEL. PROVIDE ´0(',80/,*+7µ RATED ALUMINUM SCREENS. PROVIDE ´/,*+7µ RATES STAINLESS STEEL SCREENS. F. DUCT-MOUNTED ACCESS DOORS: FABRICATE ACCESS PANELS ACCORDING TO SMACNA'S "HVAC DUCT CONSTRUCTION STANDARDS - METAL AND FLEXIBLE"; ),*85(6¬ "DUCT ACCESS DOORS AND PANELS," AND 2-11, "ACCESS PANELS - ROUND DUCT." PART 3 - EXECUTION 3.1 INSTALLATION A. INSTALL DUCTWORK, ACCESSORIES, AND SUPPORTS ACCORDING TO SMACNA'S "HVAC DUCT CONSTRUCTION STANDARDS - METAL AND FLEXIBLE" UNLESS OTHERWISE INDICATED. B. SEAL DUCTS TO THE FOLLOWING SEAL CLASSES ACCORDING TO SMACNA'S "HVAC DUCT CONSTRUCTION 67$1'$5'6  0(7$/ $1' )/(;,%/( ,1&+ :* 6($/ &/$66¬$ C. CONCEAL DUCTS FROM VIEW IN FINISHED AND OCCUPIED SPACES. D. AVOID PASSING THROUGH OR ABOVE ELECTRICAL EQUIPMENT SPACES AND ENCLOSURES. E. CLEAN DUCT SYSTEMS BEFORE TESTING, ADJUSTING, AND BALANCING. 3.2 TESTING, ADJUSTING, AND BALANCING A. BALANCE AIRFLOW WITHIN DISTRIBUTION SYSTEMS, INCLUDING SUBMAINS, BRANCHES, AND TERMINALS TO INDICATED QUANTITIES PER SPECIFICATIONS. END OF SECTION 233100 SECTION 233713 - DIFFUSERS, REGISTERS, AND GRILLES PART 1 - GENERAL 1.1 SECTION REQUIREMENTS A. SUBMITTALS: 1. PRODUCT DATA: FOR EACH TYPE OF PRODUCT INDICATED, INCLUDING COLOR CHARTS FOR FACTORY FINISHES. PART 2 - PRODUCTS 2.1 DIFFUSERS, REGISTERS, AND GRILLES: A. REFER TO SCHEDULES FOR FINISH TYPE, COLOR, MATERIAL, AND MOUNTING. PART 3 - EXECUTION 3.1 INSTALLATION A. INSTALL DIFFUSERS, REGISTERS, AND GRILLES LEVEL AND PLUMB. B. CEILING-MOUNTED OUTLETS AND INLETS: DRAWINGS INDICATE GENERAL ARRANGEMENT OF DUCTS, FITTINGS, AND ACCESSORIES. MAKE FINAL LOCATIONS WHERE INDICATED, AS MUCH AS PRACTICAL. FOR UNITS INSTALLED IN LAY-IN CEILING PANELS, LOCATE UNITS IN THE CENTER OF PANEL UNLESS OTHERWISE INDICATED. WHERE ARCHITECTURAL FEATURES OR OTHER ITEMS CONFLICT WITH INSTALLATION, NOTIFY ARCHITECT FOR A DETERMINATION OF FINAL LOCATION. C. AFTER INSTALLATION, ADJUST DIFFUSERS, REGISTERS, AND GRILLES TO AIR PATTERNS INDICATED, OR AS DIRECTED, BEFORE STARTING AIR BALANCING. END OF SECTION 233713 SECTION 237413 - PACKAGED ROOFTOP UNITS 1.1 SUMMARY A. THIS SECTION INCLUDES PACKAGED, ROOFTOP UNITS WITH THE FOLLOWING COMPONENTS AND ACCESSORIES: 1. DIRECT-EXPANSION COOLING. 2. ELECTRIC RESISTANCE HEATING. 3. ECONOMIZER OUTDOOR-AND RETURN-AIR DAMPER SECTION. 4. INTEGRAL, SPACE TEMPERATURE CONTROLS. 5. ROOF CURBS. 1.2 SECTION REQUIREMENTS A. SUBMITTALS: 1. PRODUCT DATA: INCLUDE MANUFACTURER'S TECHNICAL DATA FOR EACH RTU, INCLUDING RATED CAPACITIES, DIMENSIONS, REQUIRED CLEARANCES, CHARACTERISTICS, FURNISHED SPECIALTIES, AND ACCESSORIES. PART 2 - PRODUCTS 2.1 CASING A. GENERAL FABRICATION REQUIREMENTS FOR CASINGS: FORMED AND REINFORCED INSULATED PANELS, FABRICATED TO ALLOW REMOVAL FOR ACCESS TO INTERNAL PARTS AND COMPONENTS, WITH JOINTS BETWEEN SECTIONS SEALED. B. EXTERIOR CASING MATERIAL: GALVANIZED STEEL WITH FACTORY-PAINTED FINISH, WITH PITCHED ROOF PANELS AND KNOCKOUTS WITH GROMMET SEALS FOR ELECTRICAL AND PIPING CONNECTIONS AND LIFTING LUGS. 1. CASING THICKNESS: 16 GAUGE THICK. C. &$6,1* ,168/$7,21 $1' $'+(6,9( &203/< :,7+ 1)3$¬$ 1. 0$7(5,$/6 $670¬&¬ 7<3(¬, 2. THICKNESS: 1/2 INCH 3. LINER MATERIALS SHALL HAVE AIR-STREAM SURFACE INSULATED WITH A MINIMUM 1/2-IN. THICK, MINIMUM 1 1/2 LB DENSITY, FLEXIBLE FIBERGLASS INSULATION BONDED WITH A PHENOLIC BINDER, NEOPRENE COATED ON THE AIR SIDE. 4. /,1(5 $'+(6,9( &203/< :,7+ $670¬&¬ 7<3(¬, D. UNIT SHALL HAVE A THRU-THE-BASE GAS AND ELECTRICAL CONNECTIONS. 2.2 FANS OPTION A OR B: A. DIRECT-DRIVEN SUPPLY-AIR FANS: DOUBLE WIDTH, BACKWARD INCLINED, CENTRIFUGAL; WITH PERMANENTLY LUBRICATED, MOTOR RESILIENTLY MOUNTED IN THE FAN INLET. ALUMINUM OR PAINTED-STEEL WHEELS, AND GALVANIZED- OR PAINTED-STEEL FAN SCROLLS. B. BELT-DRIVEN SUPPLY-AIR FANS: DOUBLE WIDTH, FORWARD CURVED, CENTRIFUGAL; WITH PERMANENTLY LUBRICATED, SINGLE-SPEED MOTOR INSTALLED ON AN ADJUSTABLE FAN BASE RESILIENTLY MOUNTED IN THE CASING. ALUMINUM OR PAINTED-STEEL WHEELS, AND GALVANIZED- OR PAINTED-STEEL FAN SCROLLS. C. CONDENSER-COIL FAN: DIRECT DRIVE, PROPELLER, MOUNTED ON SHAFT OF PERMANENTLY LUBRICATED MOTOR WITH THERMAL OVERLOAD PROTECTION. D. POWER EXHAUST: FORWARD CURVED, SHAFT MOUNTED ON PERMANENTLY LUBRICATED MOTOR. . 2.3 COILS A. SUPPLY-AIR REFRIGERANT COIL: 1. ALUMINUM-PLATE FIN AND 6($0/(66¬,17(51$//< GROOVED COPPER TUBE IN STEEL CASING WITH EQUALIZING-TYPE VERTICAL DISTRIBUTOR. 2. POLYMER STRIP SHALL PREVENT ALL COPPER COIL FROM CONTACTING STEEL COIL FRAME OR CONDENSATE PAN. 3. CATHODIC EPOXY COATING. 4. CONDENSATE DRAIN PAN: GALVANIZED STEEL WITH CORROSION-RESISTANT COATING FORMED WITH PITCH AND DRAIN CONNECTIONS. B. OUTDOOR-AIR REFRIGERANT COIL: 1. ALUMINUM-PLATE FIN AND 6($0/(66¬,17(51$//< GROOVED COPPER TUBE IN STEEL CASING WITH EQUALIZING-TYPE VERTICAL DISTRIBUTOR. 2. POLYMER STRIP SHALL PREVENT ALL COPPER COIL FROM CONTACTING STEEL COIL FRAME OR CONDENSATE PAN. 3. CATHODIC EPOXY COATING. C. HOT-GAS REHEAT REFRIGERANT COIL (OPTIONAL): 1. ALUMINUM-PLATE FIN AND SEAMLESS INTERNALLY GROOVED COPPER TUBE IN STEEL CASING WITH EQUALIZING-TYPE VERTICAL DISTRIBUTOR. 2. POLYMER STRIP SHALL PREVENT ALL COPPER COIL FROM CONTACTING STEEL COIL FRAME OR CONDENSATE PAN. 3. CATHODIC EPOXY COATING. 2.4 REFRIGERANT CIRCUIT COMPONENTS A. NUMBER OF REFRIGERANT CIRCUITS: TWO B. COMPRESSOR: HERMETIC, SCROLL, MOUNTED ON VIBRATION ISOLATORS; WITH INTERNAL OVERCURRENT AND HIGH-TEMPERATURE PROTECTION, INTERNAL PRESSURE RELIEF AND CRANKCASE HEATER. C. REFRIGERATION SPECIALTIES: 1. REFRIGERANT: R-410A 2. EXPANSION VALVE WITH REPLACEABLE THERMOSTATIC ELEMENT. 3. REFRIGERANT FILTER/DRYER. 4. MANUAL-RESET HIGH-PRESSURE SAFETY SWITCH. 5. AUTOMATIC-RESET LOW-PRESSURE SAFETY SWITCH. 6. MINIMUM OFF-TIME RELAY. 7. AUTOMATIC-RESET COMPRESSOR MOTOR THERMAL OVERLOAD. 8. BRASS SERVICE VALVES INSTALLED IN COMPRESSOR SUCTION AND LIQUID LINES. 9. LOW-AMBIENT KIT HIGH-PRESSURE SENSOR. 10. HOT-GAS REHEAT SOLENOID VALVE WITH A REPLACEABLE MAGNETIC COIL. 2.5 AIR FILTRATION A. 3529,'( µ 7+52:$:$< ),%(5*/$66 ),/7(56 2.7 DAMPERS A. OUTDOOR AND RETURN AIR MIXING DAMPERS: PARALLEL OR OPPOSED-BLADE GALVANIZED-STEEL DAMPERS MECHANICALLY FASTENED TO CADMIUM PLATED FOR GALVANIZED-STEEL OPERATING ROD IN REINFORCED CABINET. CONNECT OPERATING RODS WITH COMMON LINKAGE AND INTERCONNECT LINKAGES SO DAMPERS OPERATE SIMULTANEOUSLY. 1. DAMPER MOTOR: MODULATING WITH ADJUSTABLE MINIMUM POSITION. 2. RELIEF AIR DAMPER: GRAVITY ACTUATED, WITH BIRD SCREEN AND HOOD. 2.8 ELECTRICAL POWER CONNECTION A. PROVIDE FOR SINGLE CONNECTION OF POWER TO UNIT :,7+¬81,702817(' DISCONNECT SWITCH ACCESSIBLE FROM OUTSIDE UNIT AND CONTROL-CIRCUIT TRANSFORMER WITH BUILT-IN OVERCURRENT PROTECTION. 2.9 CONTROLS A. BASIC UNIT CONTROLS: 1. CONTROL-VOLTAGE TRANSFORMER. 2. WALL-MOUNTED THERMOSTAT OR SENSOR WITH THE FOLLOWING FEATURES: a.HEAT-COOL-OFF SWITCH. b. FAN ON-AUTO SWITCH. c. FAN-SPEED SWITCH. d. AUTOMATIC CHANGEOVER. e. ADJUSTABLE DEADBAND. f. EXPOSED SET POINT. g.EXPOSED INDICATION. h. '(*5((¬) ,1',&$7,21 i. UNOCCUPIED-PERIOD-OVERRIDE PUSH BUTTON. j. DATA ENTRY AND ACCESS PORT TO INPUT 7(03(5$785(¬$1' HUMIDITY SET POINTS, OCCUPIED AND UNOCCUPIED PERIODS, AND OUTPUT ROOM 7(03(5$785(¬$1' HUMIDITY, SUPPLY-AIR TEMPERATURE, OPERATING MODE, AND STATUS. 3. WALL-MOUNTED HUMIDISTAT OR SENSOR WITH THE FOLLOWING FEATURES: a.EXPOSED SET POINT. b. EXPOSED INDICATION. 4. REMOTE WALL-MOUNTED ANNUNCIATOR PANEL WITH KEYED ACCESS FOR EACH UNIT: a.LIGHTS TO INDICATE POWER ON, UNIT ALARM OR FAILURE, SMOKE DETECTION. B. DDC CONTROLLER: 1. CONTROLLER SHALL HAVE VOLATILE-MEMORY BACKUP. 2. SAFETY CONTROL OPERATION: a. SMOKE DETECTORS: STOP FAN AND CLOSE OUTDOOR-AIR DAMPER IF SMOKE IS DETECTED. PROVIDE ADDITIONAL CONTACTS FOR ALARM INTERFACE TO FIRE ALARM CONTROL PANEL. b. FIRE ALARM CONTROL PANEL INTERFACE WHERE APPLICABLE. c. LOW-DISCHARGE TEMPERATURE: STOP FAN AND CLOSE OUTDOOR-AIR DAMPER IF SUPPLY AIR TEMPERATURE ,6 /(66 7+$1 ƒ) RETAIN FIRST SUBPARAGRAPH BELOW FOR AIR-TO-AIR HEAT-PUMP FEATURE. d.DEFROST CONTROL FOR CONDENSER COIL: PRESSURE DIFFERENTIAL SWITCH TO INITIATE DEFROST SEQUENCE. 3. UNIT SHALL BE CAPABLE OF DIRECT COMMUNICATION WITH GENERIC OPEN PROTOCOL SUCH AS BACNET MS/TP, LONTALK, OR MODUS. THIS WILL ALLOW THE UNIT TO INTEGRATE WITH A FACILITY ENERGY MANAGEMENT SYSTEM. 4. SCHEDULED OPERATION: OCCUPIED AND UNOCCUPIED PERIODS ON SEVEN-DAY CLOCK WITH A MINIMUM OF FOUR PROGRAMMABLE PERIODS PER DAY. 5. UNOCCUPIED PERIOD: a. +($7,1* 6(7%$&. ƒ) b. COOLING SETBACK: SYSTEM OFF. c. OVERRIDE OPERATION: TWO HOURS. 6. SUPPLY FAN OPERATION: a. OCCUPIED PERIODS: RUN FAN CONTINUOUSLY. b. UNOCCUPIED PERIODS: CYCLE FAN TO MAINTAIN SETBACK TEMPERATURE. 7. REFRIGERANT CIRCUIT OPERATION: a. OCCUPIED PERIODS: CYCLE OR STAGE &2035(66256¬$1' OPERATE HOT-GAS BYPASS TO MATCH COMPRESSOR OUTPUT TO COOLING LOAD TO MAINTAIN ROOM TEMPERATURE AND HUMIDITY. CYCLE CONDENSER FANS TO MAINTAIN MAXIMUM HOT-GAS PRESSURE. OPERATE LOW-AMBIENT CONTROL KIT TO MAINTAIN MINIMUM HOT-GAS PRESSURE. b. UNOCCUPIED PERIODS: CYCLE COMPRESSORS AND CONDENSER FANS FOR HEATING TO MAINTAIN SETBACK TEMPERATURE. 8. HOT-GAS REHEAT-COIL OPERATION (OPTIONAL): a. OCCUPIED PERIODS: HUMIDISTAT OPENS HOT-GAS VALVE TO PROVIDE HOT-GAS REHEAT, AND CYCLES COMPRESSOR. b. UNOCCUPIED PERIODS: REHEAT NOT REQUIRED. 9. GAS FURNACE OPERATION: a. OCCUPIED PERIODS: STAGE BURNER TO MAINTAIN ROOM TEMPERATURE. b. UNOCCUPIED PERIODS: CYCLE BURNER TO MAINTAIN SETBACK TEMPERATURE. 10. FIXED MINIMUM OUTDOOR-AIR DAMPER OPERATION: a. OCCUPIED PERIODS: OPEN TO 25 PERCENT. b. UNOCCUPIED PERIODS: CLOSE THE OUTDOOR-AIR DAMPER. 11. ECONOMIZER OUTDOOR-AIR DAMPER OPERATION: a. OCCUPIED PERIODS: OPEN TO 25 PERCENT FIXED MINIMUM INTAKE, AND MAXIMUM 100 PERCENT OF THE FAN CAPACITY TO COMPLY WITH ASHRAE &<&/(¬,, CONTROLLER SHALL PERMIT AIR-SIDE ECONOMIZER OPERATION WHEN OUTDOOR AIR IS LESS THAN 60 ƒ¬) USE MIXED-AIR TEMPERATURE AND SELECT BETWEEN OUTDOOR-AIR AND RETURN-AIR ENTHALPY TO ADJUST MIXING DAMPERS DURING ECONOMIZER CYCLE OPERATION, LOCK OUT COOLING. b. UNOCCUPIED PERIODS: CLOSE OUTDOOR-AIR DAMPER AND OPEN RETURN-AIR DAMPER. 2.10 ACCESSORIES A. DUPLEX, 115-V, GROUND-FAULT-INTERRUPTER OUTLET WITH 15-A OVERCURRENT PROTECTION. INCLUDE TRANSFORMER IF REQUIRED. B. /2:$0%,(17 .,7 67$*(' '2:1 72 ƒ) C. FILTER DIFFERENTIAL PRESSURE SWITCH WITH SENSOR TUBING ON EITHER SIDE OF FILTER. SET FOR FINAL FILTER PRESSURE LOSS. D. HAIL GUARDS OF GALVANIZED STEEL, PAINTED TO MATCH CASING. E. DUCT MOUNTED SMOKE DETECTOR IN RETURN AIR STREAM CAPABLE OF SHUTTING DOWN THE UNIT IN THE PRESENCE OF SMOKE DETECTION. 2.11 ROOF CURBS A. MATERIALS: GALVANIZED STEEL WITH CORROSION-PROTECTION COATING, WATERTIGHT GASKETS, AND FACTORY-INSTALLED WOOD NAILER; COMPLYING WITH NRCA STANDARDS. 1. &85% ,168/$7,21 $1' $'+(6,9( &203/< :,7+ 1)3$¬$ 25 1)3$¬% a. 0$7(5,$/6 $670¬&¬ 7<3(¬, 25 ,, b. THICKNESS: 1-1/2 INCHES. 2. APPLICATION: FACTORY APPLIED WITH ADHESIVE AND MECHANICAL FASTENERS TO THE INTERNAL SURFACE OF CURB. a. /,1(5 $'+(6,9( &203/< :,7+ $670¬&¬ 7<3(¬, b. MECHANICAL FASTENERS: GALVANIZED STEEL, SUITABLE FOR ADHESIVE ATTACHMENT, MECHANICAL ATTACHMENT, OR WELDING ATTACHMENT TO DUCT WITHOUT DAMAGING LINER WHEN APPLIED AS RECOMMENDED BY MANUFACTURER AND WITHOUT CAUSING LEAKAGE IN CABINET. c. LINER MATERIALS SHALL HAVE AIR-STREAM SURFACE INSULATED WITH A MINIMUM 1/2-IN. THICK, MINIMUM 1 1/2 LB DENSITY, FLEXIBLE FIBERGLASS INSULATION BONDED WITH A PHENOLIC BINDER, NEOPRENE COATED ON THE AIR SIDE. d. /,1(5 $'+(6,9( &203/< :,7+ $670¬&¬ 7<3(¬, B. CURB HEIGHT: 14 INCHES TYPICAL. PROVIDE 24 INCH CURB IN AREAS WITH EXPECTED HEAVY SNOWFALL. 14390 CLAY TERRACE BLVD re d CARMEL, INDIANA 46032 WPG007 SPACE F30A - LANDLORD IMPROVEMENTS PROJECT NUMBER: SHEET: FOR WASHINGTON PRIME GROUP 180 EAST BROAD STREET, COLUMBUS, OH 43215 ISSUE DATE PERMIT FEB. 01, 2018 COPYRIGHT 2018. ALL DRAWINGS AND SPECIFICATIONS SHALL REMAIN THE PROPERTY OF RED ARCHITECTURE + PLANNING LLC AND MAY NOT BE USED, DUPLICATED OR ALTERED WITHOUT THE WRITTEN CONSENT OF THE ARCHITECT. M3.2 2/9/2017 7:59 PM 04/30/18 Nick Mishler