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<br />MECHANICAL SPECIFICATIONS
<br />SCOPE: THE CONTRACTOR SHALL VISIT THE SITE AND EXAMINE THE DRAWINGS AND SPECIFICATIONS BEFORE SUBMITTING A PROPOSAL.
<br />ALL WORK SHALL BE IN ACCORDANCE WITH THE FLORIDA BUILDING CODES SEVENTH EDITION (2020), WITH ALL AMENDMENTS, AND LOCAL CODES AND ORDINANCES. INSTALLATION
<br />SHALL COMPLY WITH THE CODE REFERENCED STANDARDS SET BY NFPA, ASHRAE, ASPE, SMACNA, NEC AND UL. THE SYSTEMS, EQUIPMENT, DEVICES AND ACCESSORIES SHALL BE
<br />INSTALLED, FINISHED, TESTED AND ADJUSTED FOR CONTINUOUS AND PROPER OPERATION. THE CONTRACTOR SHALL BE RESPONSIBLE FOR HIS WORK FITTING IN PLACE AND SHALL
<br />COORDINATE WITH OTHER TRADES TO AVOID INTERFERENCE WITH THEIR WORK. THE INFORMATION GIVEN HEREIN AND ON THE DRAWINGS IS AS EXACT AS COULD BE SECURED, BUT
<br />ITS EXTREME ACCURACY IS NOT GUARANTEED. THE DRAWINGS ARE DIAGRAMMATIC, INTENDED TO SHOW GENERAL ARRANGEMENT, CAPACITY AND LOCATION OF VARIOUS COMPONENTS,
<br />EQUIPMENTS, AND DEVICES. IF WORK IS REQUIRED IN A MANNER TO MAKE IT IMPOSSIBLE TO PRODUCE FIRST CLASS WORK, OR SHOULD DISCREPANCIES APPEAR AMONG THE
<br />CONTRACT DOCUMENTS, OR BETWEEN THE CONTRACT DOCUMENTS AND THE MANUFACTURER'S RECOMMENDATIONS,THE CONTRACTOR SHALL REQUEST INTERPRETATION BEFORE
<br />PROCEEDING WITH WORK. CONTRACTOR SHALL FURNISH AND INSTALL ALL MINOR ITEMS WHICH ARE OBVIOUSLY AND REASONABLY NECESSARY TO COMPLETE THE INSTALLATION
<br />WHETHER OR NOT SPECIFIED IN THE DOCUMENTS.
<br />REQUIRED COORDINATION: ALL WORK SHALL BE COORDINATED WITH ALL TRADES INVOLVED. OFFSETS IN DUCTS AND PIPING (INCLUDING DIVIDED DUCTS) AND TRANSITIONS AROUND
<br />OBSTRUCTIONS SHALL BE PROVIDED AT NO ADDITIONAL COST TO THE OWNER.
<br />CONSTRUCTION PLANS: IN GENERAL, PLANS AND DIAGRAMS ARE SCHEMATIC ONLY AND SHOULD NOT BE SCALED.
<br />REQUIRED ACCESS: CONTRACTOR SHALL ENSURE THAT ALL EQUIPMENT AND DEVICES THAT REQUIRE REPLACEMENT, SERVICING, ADJUSTING OR MAINTENANCE SHALL BE LOCATED TO
<br />ALLOW EASY ACCESS AND SPACE FOR REMOVAL OF INTERNAL ASSEMBLIES, IF REQUIRED. CONTRACTOR SHALL PROVIDE ACCESS PANELS WHERE REQUIRED TO ALLOW ACCESS, EVEN
<br />IF NOT INDICATED ON 'THE DRAWINGS AT NO ADDITIONAL COST TO OWNER.
<br />WIND RESISTANCE: ALL EQUIPMENT, APPLIANCE AND SUPPORTS LOCATED EXTERIOR OF THE FACILITY SHALL BE INSTALLED TO RESIST WIND LOADS AS DETAILED IN THE BUILDING
<br />CODE.
<br />CUTTING AND PATCHING: ALL OPENINGS AROUND DUCT OR PIPE PENETRATIONS THROUGH SMOKE OR FIRE RATED FLOORS, CEILINGS OR WALLS SHALL BE SEALED AIRTIGHT WITH
<br />MATERIALS HAVING A RATING EQUAL TO THE MATERIAL OF THE WALL, CEILING OR FLOOR PENETRATED.
<br />EQUIPMENT TAGS: ALL EQUIPMENT WILL HAVE A PERMANENTLY FIXED ENGRAVED PHENOLIC LABEL CORRESPONDING TO THE EQUIPMENT TAG ON THE ENGINEER'S DRAWINGS.
<br />FIRESTOPPING: UL APPROVED MATERIALS AND METHODS SHALL PROTECT THE PENETRATIONS OF FIRE AND/OR SMOKE RATED WALLS, CEILINGS OR FLOORS. THE RATING OF THE
<br />FIRESTOPPING SHALL EQUAL THE RATING OF THE RATED ASSEMBLY. ALL INSULATION SHALL HAVE COMPOSITE FIRE AND SMOKE HAZARD RATINGS AS TESTED BY PROCEDURE ASTM
<br />E-84, NFPA-225, UL-723 NOT EXCEEDING:
<br />FLAME SPREAD 25
<br />SMOKE DEVELOPED 50
<br />FUEL DISTRIBUTED 50
<br />ACCESSORIES SUCH AS ADHESIVE, MASTIC, CEMENTS AND TAPES SHALL HAVE THE SAME COMPONENT RATING AS LISTED ABOVE.
<br />START-UP: CONTRACTOR SHALL STARTUP ALL EQUIPMENT AND FOLLOW THE MANUFACTURER'S START-UP PROCEDURES.
<br />OPERATING AND MAINTENANCE DATA: SUBMIT THREE COPIES OF MANUFACTURER'S OPERATING AND MAINTENANCE INSTRUCTIONS AND SPARE PARTS LIST FOR EACH PIECE OF
<br />EQUIPMENT.
<br />CONDENSATE DRAIN PIPING: CONDENSATE DRAIN PIPING SHALL BE PVC TYPE DWV. DRAINS SHALL BE PITCHED NOT LESS THAN 1 PERCENT. RUNS SHALL BE AS SHORT AS
<br />POSSIBLE WITHOUT ANY DIPS TO TRAP WATER AND INTERFERE WITH PROPER DRAINAGE. PROVIDE TRAPS AND CLEANOUTS AT DRAIN PAN CONNECTIONS. RUN CONDENSATE DRAIN
<br />PER PLANS. INSULATE CONDENSATE LINE INSIDE BUILDINGS WITH 1" ARMAFLEX (ASTM E-84).
<br />DIMENSIONAL DATA: ALL DUCTWORK DIMENSIONS SHOWN ON DRAWINGS ARE CLEAR INSIDE DIMENSIONS.
<br />SUPPLEMENTARY SUPPORTS: CONTRACTOR SHALL PROVIDE ALL SUPPLEMENTARY STEEL REQUIRED TO SUSPEND MECHANICAL EQUIPMENT AND MATERIALS, IN ORDER TO PROVIDE A
<br />"VIBRATION -FREE" RIGID INSTALLATION.
<br />DUCTWORK - GENERAL: FABRICATE AND INSTALL ALL DUCTWORK AND DUCT ACCESSORIES IN ACCORDANCE WITH THE LATEST EDITION OF APPLICABLE SMACNA STANDARDS, THE
<br />LATEST NFPA STANDARDS, AND THIS SPECIFICATION. THE MOST STRINGENT OF THESE SHALL BE THE MINIMUM STANDARD. MINIMUM OF 1" PRESSURE CLASS RATING FOR ALL
<br />DUCTWORK.
<br />ALL RECTANGULAR SUPPLY AND RETURN DUCTWORK TO BE R-6.0 RIGID FIBERGLASS DUCTSOARD (UL-181 AND 181A) WITH CLEANABLE AIRSIDE SURFACE AND EPA -APPROVED
<br />BIOCIDE (ANTI -MICROBIAL AGENT) IMPREGNATED IN MATTED AIR -SIDE SURFACE.
<br />KITCHEN HOOD GREASE EXHAUST DUCTWORK SHALL BE PREFABRICAGTED DOUBLE -WALL ROUND STAINLESS STEEL DUCTWORK.
<br />OPTION FOR KITCHEN GREASE DUCT IS 16-GAUGE BLACK STEEL, WELDED LIQUIDTIGHT PER NFPA-96, AND INSULATED WITH 2-HOUR LISTED FIRE BARRIER TO MAINTAIN ZERO
<br />CLEARANCES TO COMBUSTIBLES AND LIMITED COMBUSTIBLES.
<br />ALL RESTROOM EXHAUST DUCTWORK SHALL BE GALVANIZED SHEET METAL STEEL OF LOCKFORMING GRADE CONFORMING TO ASTM A653 AND ASTM A924.
<br />DUCTWORK INSTALLATION: ALL INTERIOR DUCTWORK SHALL BE SEALED TO SMACNA CLASS (B) REQUIREMENTS WITH UL-181 MASTIC. PROVIDE DOUBLE THICKNESS TURNING VANES IN
<br />ALL NINETY (90) DEGREE SQUARE ELBOWS.
<br />CONTRACTOR SHALL FURNISH AND INSTALL ALL DUCT OFFSETS AS REQUIRED TO CLEAR INTERFERENCES WITH EXISTING BUILDING STRUCTURE, PIPES AND ELECTRICAL CONDUITS.
<br />FURNISH AND INSTALL ALL MISCELLANEOUS STEEL SUPPORTS REQUIRED FOR HANGING AND SUPPORTING DUCTWORK UNLESS OTHERWISE NOTED.
<br />VOLUME DAMPERS: DAMPERS SHALL BE PROVIDED IN THE BRANCHES OF THE DUCT SYSTEMS WHERE SHOWN ON DRAWINGS AND AS REQUIRED TO PROPERLY REGULATE THE VOLUME
<br />OF AIR DELIVERED TO OR WITHDRAWN FROM THE OUTLETS.
<br />FLEXIBLE DUCTWORK: FLEXIBLE DUCTWORK MAY BE USED FOR THE FINAL RUNOUTS TO AIR OUTLETS, AND SHALL BE SIZED TO MATCH AIR OUTLET NECK. FLEXIBLE DUCTS SHALL
<br />NOT EXCEED 8-FEET LENGTHS. NO FLEXIBLE DUCTS SHALL PENETRATE FIRE -RATED WALLS OR CEILINGS. FLEXIBLE DUCTS SHALL COMPLY WITH THE PROVISIONS OF UL-181 CLASS
<br />1 AIR DUCT MATERIAL. DUCTS SHALL BE FACTORY MADE AND COMPOSED OF: AN INNER FIBERGLASS WOVEN LINER, ENCAPSULATED HELIX COIL, A FIBERGLASS INSULATING BLANKET
<br />AND OUTER VAPOR BARRIER OF FIBERGLAS REINFORCED METALIZED FILM LAMINATE. PROVIDE THERMAFLEX MK-C FLEXIBLE DUCT OR APPROVED EQUAL (MIN. OF R-6.0). CARE IS
<br />TO BE TAKEN THAT ALL RUNOUTS OF FLEXIBLE DUCTS ARE INSTALLED AS STRAIGHT AS PRACTICAL AND FASTENED SO AS TO ELIMINATE AIR LEAKAGE. THE INSTALLATION SHALL
<br />CONFORM TO THE TECHNIQUES SHOWN IN THE UL APPROVED AND FACTORY -SUPPLIED INSTRUCTIONS.
<br />INSULATION: ASSURE ALL DUCTWORK IS SEALED PRIOR TO INSTALLING INSULATION.
<br />ALL METAL SUPPLY, RETURN, AND FRESH AIR (OUTSIDE AIR) DUCTWORK SHALL BE WRAPPED WITH 2" THICK FIBERGLASS BLANKET INSULATION WITH FSK (ASJ) FACING, MINIMUM
<br />INSTALLED R VALUE OF 6.0, AND FLAME SPREAD/SMOKE DEVELOPED RATINGS OF 25/50 BY ASTM E-84. INSTALL INSULATION ON DUCTWORK USING ADHESIVE AND/OR WELD PINS
<br />WITH WASHERS. SEAL ALL INSULATION JOINTS, SEAMS AND FASTENER PIN PENETRATIONS WITH VAPOR RETARDING PRESSURE SENSITIVE TAPE OR WITH GLASS FABRIC AND MASTIC.
<br />INSTALL TAPERED INSULATION TO THE TOP OF ALL EXTERIOR HORIZONTAL RECTANGULAR DUCTS WIDER THAN 24" BEFORE APPLYING THE FINISH INSULATION TO CAUSE A 1 /2" PER
<br />FOOT SLOPE OF FINISH INSULATION TO SHED WATER.
<br />BRANCH DUCT RUNOUTS: SHALL BE GALVANIZED ROUND (SNAPLOCK) SEAM LOCKED DUCTWORK WITH EXTERNAL FIBERGLASS WRAP INSULATION (R-6.0).
<br />NOTE: BRANCH DUCT RUNOUTS & FLEXIBLE DUCTS SHALL BE THE SAME SIZE DUCT AS THE DIFFUSER NECK CONNECTED TO, AS LISTED ON THE FLOOR PLAN.
<br />GRILLES AND DIFFUSERS: ALL GRILLES AND DIFFUSERS SHALL BE INSTALLED WITH AN INSULATED BOOT OR BLANKET. PROVIDED A METHOD OF VOLUME CONTROL BY DEVICE
<br />ADJUSTABLE AT DIFFUSER FACE OR MANUAL VOLUME DAMPERS AT TAKEOFF BRANCHES. COORDINATE DIFFUSER AND GRILLE LOCATIONS WITH ELECTRICAL LIGHTING LAYOUT AND
<br />ARCHITECTURAL REFLECTED CEILING PLAN.
<br />DUCT SMOKE DETECTORS: INSTALL SMOKE DETECTORS AS RECOMMENDED BY MANUFACTURER TO ACQUIRE PROPER READINGS. LOCATION OF DUCT MOUNTED SMOKE DETECTORS ARE
<br />FOR REFERENCE LOCATION ONLY. FINAL PLACEMENT SHALL MEET ALL REQUIREMENTS IN THE MANUFACTURER'S INSTALLATION INSTRUCTIONS. PROVIDE 12"X12" ACCESS DOOR FOR
<br />INSPECTION AND SERVICE. SMOKE DETECTORS SHALL BE FURNISHED & WIRED BY FIRE ALARM INSTALLER AND INSTALLED BY HVAC CONTRACTOR. SMOKE DETECTORS SHALL BE
<br />WIRED TO SHUTOFF UNIT WITH THE DETECTION OF SMOKE.
<br />CONTROLS: PROVIDE CONTROLS COMPLETE TO SUIT THE EQUIPMENT PROVIDED AND TO ACCOMPLISH THE SEQUENCE OF OPERATION AS REQUIRED BY PLANS AND SYSTEMS. LOCATE
<br />THERMOSTATS 48" ABOVE FINISHED FLOOR, UNLESS OTHERWISE NOTED. THERMOSTATIC CONTROLS SHALL BE PROGRAMMABLE TO INCLUDE ALL ITEMS REQUIRED BY FBC-ENERGY
<br />CODE SIXTH EDITION AND SHALL HAVE LOCKOUT FUNCTION WITH PASSWORD.
<br />MINIMUM FUNCTIONALITY SHALL INCLUDE: 7-DAY A WEEK PROGRAMMABLE CONTROLLER WITH SETBACKS UP TO 85-F AND DOWN TO 55-F, 10-HOUR BATTERY BACKUP, MANUAL
<br />OVERRIDE FOR 2-HOURS, AND AUTOMATIC STARTING (OPTIMUM START) ADJUSTABLE DAILY START TIMES.
<br />TESTING AND BALANCING: THE CONTRACTOR SHALL ENSURE THAT ALL DEVICES AND SYSTEMS ARE COMPLETE, TESTED AND BALANCED, AND READY FOR OPERATION WHEN THE FACILITY
<br />IS HANDED OVER THE OWNER. THE AIR CONDITIONING SYSTEM SHALL BE TESTED IN ACCORDANCE WITH CURRENT AABC OR NEBB OR NBC PROCEDURES. A CERTIFIED, WRITTEN
<br />REPORT SHALL BE SUBMITTED TO MECHANICAL ENGINEER FOR APPROVAL. THE CONTRACTOR SHALL RECTIFY DISCREPANCIES BETWEEN THE ACTUAL INSTALLATION AND CONTRACT
<br />DOCUMENTS WHEN IN THE OPINION OF THE T&B AGENCY OR THE ENGINEER, THAT THE DISCREPANCIES WILL AFFECT SYSTEM BALANCE AND PERFORMANCE.
<br />SUBMITTALS REQUIRED:
<br />SUBMIT SHOP DRAWINGS FOR ALL MATERIALS, EQUIPMENT, AND SYSTEMS REQUIRED BY THESE DOCUMENTS (SEE ARCH. PLANS/SPECS FOR SPECIFIC FORMATTING), INCLUDING:
<br />ROOFTOP UNIT
<br />TEST/BALANCE REPORT
<br />EXHAUST FANS
<br />DIFFUSERS AND GRILLES
<br />DUCTWORK, INSULATION AND ACCESSORIES (CONNECTIONS, MASTICS, ETC.)
<br />THERMOSTATS & CONTROLS
<br />SUBSTITUT10i4S: -CONTRACTOR SHALL PAY FOR ANY AND ALL ADDED COSTS ASSOCIATED WITH ANY SUBSTITUTION, INCLUDING SUBSTITUTIONS THAT REQUIRE CHANGES TO THE OTHER
<br />BUILDING COMPONENTS, SUCH AS ELECTRICAL, STRUCTURAL REINFORCING, CEILINGS, WALLS, ROOFS, ETC. THIS WILL INCLUDE ANY ENGINEERING/ARCHITECTURAL RE -DESIGN COSTS
<br />AS A RESULT OF SAID SUBSTITUTION. THESE COSTS SHALL NOT BE BORNE BY THE OWNER, ARCHITECT, NOR ENGINEER, REGARDLESS OF ACCEPTABILITY OF SUBSTITUTION.
<br />ENGINEER RESERVES THE RIGHT TO ACCEPT OR DENY ANY SUBSTITUTION THAT HE DOES NOT DEEM TO BE EQUIVALENT, AND CONTRACTOR SHALL PROVIDE SPECIFIED OR EQUIVALENT
<br />MATERIALS/EQUIPMENT AT NO ADDITION COST TO OWNER, SHOULD A SUBSTITUTION BE DENIED.
<br />GUARANTEE: THE ONE-YEAR GUARANTEE PERIOD SHALL NOT START UNTIL THE PROJECT IS FULLY COMPLETED AND THE CONTRACTOR HAS RECEIVED THE FINAL PAYMENT AND
<br />CERTIFICATION OF OCCUPANCY. ALL EQUIPMENT AND ALL WORK SHALL BE FULLY GUARANTEED, PARTS AND LABOR, FOR ONE YEAR FROM THE DATE OF THE CERTIFICATE OF
<br />COMPLETION. REPAIRS MADE DURING THIS PEROID MUST BE FULLY GUARANTEED FOR AN ADDITIONAL ONE YEAR PERIOD FROM THE DATE OF REPAIRS. IN ADDITION, THE �-
<br />CONTRACTOR SHALL ASSUME FULL RESPONSIBILITY FOR ANY DAMAGE TO THE BUILDING, AND ITS CONTENTS OR OTHER EQUIPMENT, CAUSED BY DEFECTS OR IMPROPER INSTALLATION
<br />OF EQUIPMENT OR MATERIAL INSTALLED. A 5-YEAR WARRANTY IS REQUIRED FOR COMPRESSORS.
<br />HVAC LEGEND
<br />®
<br />SUPPLY AIR DIFFUSER OR GRILLE
<br />® ®
<br />RETURN/EXH. AIR REGISTER OR GRILLE
<br />NEW DUCTWORK, WITH SIZE LISTED
<br />FLEXIBLE DUCT
<br />DUCT SMOKE DETECTOR
<br />---
<br />FIRE DAMPER
<br />--�
<br />SMOKE/FIRE DAMPER
<br />CD
<br />CONDENSATE DRAIN
<br />RFT
<br />REFRIGERANT LINE SET
<br />QT
<br />THERMOSTAT BASE
<br />H@
<br />HUMIDITY SENSOR
<br />FT
<br />REMOTE TEMPERATURE SENSOR
<br />CARBON DIOXIDE SENSOR
<br />C®
<br />CARBON MONOXIDE SENSOR
<br />GNITROGEN
<br />DIOXIDE SENSOR
<br />9
<br />HYDROGEN SENSOR
<br />4+
<br />AIRFLOW DIRECTION
<br />'ld
<br />1" DOOR UNDERCUT
<br />0 1 ROUND, DIAMETER
<br />AFF I ABOVE FINISHED FLOOR
<br />CFM
<br />CUBIC FEET PER MINUTE
<br />TYP
<br />TYPICAL - ITEM OR METHOD
<br />BD
<br />BAROMETRIC DAMPER
<br />—p
<br />GRAVITY BACK -DRAFT DAMPER
<br />VD / l�
<br />MANUAL VOLUME DAMPER (W/HANDLE)
<br />MD @G)
<br />MOTORIZED DAMPER
<br />DOUBLE THICK VANES
<br />SUPPLY DUCT TAKE -OFF WITH VD
<br />SUPPLY DUCT TAKE -OFF WITH SCOOP
<br />SIDE DIFFUSER WITH VD
<br />(N)
<br />NEW
<br />(E)
<br />EXISTING
<br />® SWITCH
<br />CONNECT NEW TO EXISTING
<br />® WAVE GUIDE
<br />— CONDENSATE LINE ON ROOF SUPPORTS
<br />DIFFUSER TAG EQUIPMENT TAG
<br />/; AIRFLOW EQUIPMENT
<br />400 CFM TYPE
<br />RTU-1
<br />CQ-12 0 :EQUIPMENT
<br />MARK-/ -NECK NUMBER
<br />SIZE
<br />NOTE TO CONTRACTOR
<br />ON EXISTING CONDITIONS:
<br />1. CONTRACTOR SHALL VISIT THE SITE PRIOR TO BID
<br />AND SURVEY ALL EXISTING CONDITIONS AND
<br />EQUIPMENT PRIOR TO SUBMITTING BID FOR WORK
<br />REQUIRED BY THESE DOCUMENTS. THIS
<br />INCLUDES ABOVE THE CEILING AND ON TOP OF
<br />THE ROOF.
<br />2. CONTRACTOR SHALL REFER TO AND READ
<br />THROUGH ALL OF THE "CONTRACTOR'S SCOPE OF
<br />WORK" AS DEFINED IN THE BID SPECIFICATIONS
<br />AND DOCUMENTS AS PART OF THE BID PROCESS.
<br />I IF AT ANY TIME. THERE IS DISCREPANCY BETWEEN
<br />THE PLANS & SPECS. OR CONFUSION/CONCERN
<br />OVER REQUIRED WORK. CONTRACTOR SHALL
<br />IMMEDIATELY NOTIFY ARCHITECT. ENGINEER. &/OR
<br />OWNER AND GET DIRECTION BEFORE PROCEEDING
<br />WITH WORK IN QUESTION,
<br />4. FOR ALL NEW ROOF PENETRATIONS, CONTRACTOR
<br />SHALL INCLUDE IN HIS BID THE COST TO HIRE
<br />THE ROOFING FIRM HOLDING THE WARRANTY TO
<br />PROVIDE ROOF PENETRATIONS.
<br />5. FOR ALL EXISTING EQUIPMENT TO BE
<br />RE -LOCATED &/OR RE -USED, CONTRACTOR
<br />SHALL BE RESPONSIBLE FOR DISCONNECTION,
<br />SAFE STORAGE, & RE -CONNECTION OF SAID
<br />EQUIPMENT COMPLETELY.
<br />6. FOR ALL EXISTING EQUIPMENT TO BE
<br />DEMOLISHED (I.E. DEMO) CONTRACTOR SHALL BE
<br />RESPONSIBLE FOR DISCONNECTION, REMOVAL, &
<br />DISPOSAL OFF -SITE PER CODE, OF SAID
<br />EQUIPMENT COMPLETELY.
<br />RTU CABINET
<br />BALANCING HOT GAS
<br />DAMPER REHEAT ELECTRIC
<br />MERV-7 (30%) COOLING COIL IF SUPPLY HEATING
<br />FILTER COIL SPECIFIED FAN COIL
<br />OUTSIDE AIR
<br />SEOUBCE OF O iAT10N 6100FfOP LINTS)
<br />A: SUPPLY FANS,
<br />THE EVAPORATOR FAN WILL RUN
<br />CONTINUOUSLY DURING OCCUPIED HOURS AND/OR
<br />IF KEF-2 IS RUNNING AND CYCLE ON/OFF WITH
<br />COOLING / HEATING /VENTILATION IN UN -OCCUPIED
<br />MODE AS PROGRAMMED AND SUBJECTED TO FIRE
<br />ALARM (DUCT SMOKE DETECTOR) SHUTDOWN.
<br />B: OUTSIDE AIR DAMPER,
<br />THE MOTORIZED DAMPER CLOSES WHEN THE UNIT
<br />IS OFF. DAMPER SHALL OPEN FULLY WHEN SUPPLY
<br />FAN STARTS.
<br />C: COOLING COIL,
<br />THE DX REFRIGERANT COIL AND COMPRESSORS
<br />SHALL ENERGIZE IN STAGES (IF APPLICABLE) TO
<br />MAINTAIN SPACE COOLING SETPOINT. (75-F
<br />OCCUPIED/ 80-F UNOCCUPIED)
<br />D: HEATING COIL (IF APPLICABLE),
<br />THE ELECTRIC HEAT WILL ENERGIZE IN STAGES TO
<br />MAINTAIN HEATING SETPOINT. (68-F OCCUPIED/60'1`
<br />UNOCCUPIED).
<br />E: HUMIDITY CONTROL,
<br />WHEN THE COOLING TEMPERATURE SETPOINT IS
<br />SATISFIED BUT THE HUMIDITY SETPOINT IS
<br />UNSATISFIED, THE UNIT SHALL GO INTO
<br />DEHUMIDIFICATION MODE, BY CLOSING THE FRESH
<br />AIR DAMPER AND ACTIVATING THE COMPRESSORS
<br />AND THE REHEAT COIL IN STAGES TO PREVENT
<br />OVERCOOLING UNTIL HUMIDITY SETPOINT IS
<br />SATISFIED. (50% OCCUPIED/60% UNOCCUPIED).
<br />F: EXHAUST FANS,
<br />RESTROOM FANS WILL START AND RUN FULL SPEED
<br />WHEN RESTROOM IS OCCUPIED AS DETERMINED BY
<br />THE INTERLOCKED LIGHT SWITCHES. THE
<br />BREAKROOM FAN SHALL START AND RUN FULL
<br />SPEED WHEN SWITCH IS ENGAGED AND RUN ON 10
<br />MINUTE TIMER.
<br />DUCT SMOKE DETECTOR
<br />SD
<br />SUPPLY
<br />RETURN AIR AIR
<br />MANUAL BALANCE DAMPERS ADJUSTABLE
<br />SPACE
<br />SPACE MOUNT HUMIDITY SENSOR
<br />THERMOSTAT
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<br />No 56189
<br />�. STATE OF
<br />0,<
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<br />Date: 4. 25. 22
<br />Checked by: MI,
<br />Drawn: TJ/K13
<br />Job: 21-042
<br />Sheet
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<br />LIl 55 D
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