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HVAC SYMBOL LEGEND HVAC ABBREVIATIONS GENERAL NOTE
SYMBOL DESCRIPTION SYMBOL DESCRIPTION SYMBOL DESCRIPTION SYMBOL DESCRIPTION SYMBOL DESCRIPTION -
1. CONNECTION TO EQUIPMENT SHALL BE VERIFIED WITH MANUFACTURER'S CERTIFIED DRAWINGS.
TERMINAL UNIT, VARIABLE /CONSTANT AIR VOLUME AFD - ADJUSTABLE FREQUENCY DRIVE MCA - MINIMUM CIRCUIT AMPS TRANSITIONS TO ALL EQUIPMENT SHALL BE VERIFIED AND PROVIDED FOR EQUIPMENT
- CEILING DIFFUSER, ROUND NECK FURNISHED.
-FIRE DAMPER AFF -ABOVE FINISHED FLOOR MOCP - MAXIMUM OVER CURRENT PROTEC1ION
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(CEILING DIFFUSERS ARE 4-WAY THROW UNO) , (WITH ACCESS PANEL) - TERMINAL UNIT, VARABLE /CONSTANT AIR VOLUME AFR -ABOVE FINISHED ROOF 2. DIMENSIONS SHALL BE FIELD- VERIFIED AND COORDINATED PRIOR TO PROCUREMENT OR
WITH ELECTRIC HEAT MOD -MOTOR OPERATED CONTROL DAMPER (MOD) FABRICATION. COORDINATE THE WORK WITH OTHER TRADES INVOLVED. FIELD MODIFICATIONS
r AHU -AIR HANDLING UNIT
-ROUND DIFFUSER � -FIRE &SMOKE DAMPER NC - NORMALLY CLOSED SUCH AS OFFSETS IN PIPING OR DUCTWORK (INCLUDING DIVIDED DUCTWORK) NEEDED DUE
(WITH ACCESS PANEL) I I AP - ACCESS PANEL TO OBSTRUCTIONS OR INTERFERENCES SHALL BE PROVIDED AT NO ADDITIONAL COST. FOR
I I NO - NORMALLY OPEN PROJECTS INVOLVING RENOVATION, COORDINATE NEW WORK WITH EXISTING ELEMENTS SUCH
CEILING RETURN L ® J BOP - BOTTOM OF PIPE NTS -NOT TO SCALE AS THE BUILDING STRUCTURE AND ARCHITECTURAL FEATURES, SPRINKLER PIPING, LIGHTS,
- EXISTING FIRE DAMPER TO REMAIN BHP —BRAKE HORSEPOWER PLUMBING, AND ELECTRICAL CONDUIT.
01--41 - CEILING EXHAUST - TERMINAL UNIT, VARIABLE /CONSTANT AIR VOLUME, BTU — BRITISH THERMAL UNIT OA — OUTSIDE AIR
elm - EXISTING FIRE & SMOKE DAMPER TO REMAIN FAN POWERED OAL - OUTSIDE AIR LOUVER 3. DUCT CONSTRUCTION SHALL BE IN ACCORDANCE WITH THE LATEST EDITION OF THE
- CEILING DIFFUSER, RECTANGULAR OR - CENTER LINE PRY - PRESSURE REDUCING VALVE SMACNA HVAC DUCT CONSTRUCTION STANDARD.
(� SQUARE NECK (CEILING DIFFUSERS — -CFM (CUBIC FEET PER MINUTE) PRS - PRESSURE REDUCING STATION 4. SEE SPECIFICATIONS FOR GAUGES, THICKNESS, BRACING, REQUIREMENTS, ETC., OF DUCTWORK.
ARE 4-WAY THROW UNO) SA 1 -SOUND ATTENUATOR
=Mul '=� - TERMINAL UNIT, VARIABLE /CONSTANT AIR VOLUME, CD - CEILING DIFFUSER PSI - POUNDS PER SQUARE INCH 5. PROVIDE AIR TURNING VANES IN ALL 90 DEGREE RECTANGULAR DUCT ELBOWS.
FAN POWERED, WITH ELECTRIC HEAT CT - COOLING TOWER
I - SUPPLY REGISTER OR GRILLE PSIG -PSI GAUGE 6. DUCT SIZES AND ALL OPENINGS THROUGH BUILDING CONSTRUCTION SHALL SUIT EQUIPMENT
(VERTICAL. MOUNT, SIDEWALL) -MOTOR OPERATED CONTROL DAMPER (MOD) - ELECTRIC DUCT NEATER (W/ PANEL CLEARANCE} CV - CONSTANT AIR VOLUME PTAC - PACKAGED TERMINAL AIR CONDITIONER FURNISHED.
MINUTE PVC R MIN
ET P
IC FE E U
M
-RETURN/EXHAUST REGISTER OR GRILLE CFM -CUB PVG - POLYVINYL CHLORIDE PIPE 7. COORDINATE DIFFUSER, GRILLE AND REGISTER LOCATIONS WITH ARCHITECTURAL REFLECTED
(VERTICAL MOUNT, SIDEWALL) -AIR FLOW MEASURING STATION L ®J CU - CONDENSING UNIT RA - RETURN AIR CEILING PLANS AND EQUIPMENT OF ALL TRADES.
DOC - DIRECT DIGITAL CONTROLS RHC - REHEAT COIL 8. LOCATE THERMOSTATS, TEMPERATURE SENSORS, HUMIDISTATS, AND HUMIDITY SENSORS AT
' - REVISION REFERENCE • ���- - MANUAL BALANCING DAMPER �� - -- - HYDRONIC REHEAT COIL ON -DOWN RHP - ROOFTOP HEAT PUMP 48" ABOVE FINISHED FLOOR UNLESS NOTED OTHERWISE. COORDINATE LOCATIONS WITH
OTHER EQUIPMENT, FURNITURE, AND DOOR SWINGS.
t - DETAIL REFERENCE: TOP - DETAIL #; DOOR GRILLE EAT - ENTERING AIR TEMPERATURE RPM - REVOLUTIONS PER MINUTE
M t BOTTOM - DRAWING1 SHOWN ON �'-"" -INUNE CENTRIFUGAL FAN ESP - EXTERNAL STATIC PRESSURE 9. ALL EQUIPMENT, DUCTWORK, ETC., SHALL BE SUPPORTED AS DETAILED AND /OR SPECIFIED.
RS /L - REFRIGERANT SUCTION & LIQUID LINES PROVIDE ADDITIONAL SUPPORTS AS REQUIRED TO PROVIDE A VIBRATION -FREE, RIGID
® - THERMOSTAT/TEMPERATURE SENSOR
EWT - ENTERING WATER TEMPERATURE RTU - ROOFTOP AIR HANDLING UNIT INSTALLATION.
(0) - HUMIDISTAT /HUMIDITY SENSOR_ - UNDERCUT DOOR -i - PACKAGED TERMINAL AIR CONDITIONER (PTAC) FCU -FAN COIL UNIT SA - SUPPLY AIR 10. ALL DUCT SIZES SHOWN ARE INSIDE CLEAR DIMENSIONS.
E3= -DUCT SMOKE DETECTOR jjj FD -FIRE DAMPER SP - STATIC PRESSURE 11. DAMPERS AND INSIDES OF DUCTS VISIBLE THROUGH GRILLES, REGISTERS AND DIFFUSERS
® - ACCESS DOORS, VERTICAL OR HORIZONTAL UP DN I F — I I -FINAL FILTERS SHALL BE PAINTED FLAT BLACK.
- CONNECT TO EXISTING TSP -TOTAL STATIC PRESSURE ti-
FlA -FULL LOAD AMPS LINO - UNLESS NOTED OTHERWISE 12. REFER TO TYPICAL DETAILS FOR PIPING AND INSTALLATION OF EQUIPMENT.
-DEMOLISH TO POINT INDICATED - STAINLESS STEEL DUCTWORK ���Q�;����Z - FLEXIBLE DUCT
FPM -FEET PER MINUTE V /PH - VOLTS /PHASE 13. TRAPPED CONDENSATE DRAINS FROM ALL MECHANICAL EQUIPMENT SHALL BE PROVIDED FOR
Q— - MOTORIZED CONTROL DAMPER �II� - FLEXIBLE CONNECTION - TRANSITION, CONCENTRIC GPM - GALLONS PER MINUTE VAV - VARIABLE AIR VOLUME PROPER DRAINAGE TO SUIT EQUIPMENT FURNISHED.
--- - TEMPERATURE SENSOR KW - KILOWATT 14. ACCESS PANELS IN DUCTWORK AND CEILINGS SHALL BE PROVIDED WHERE REQUIRED FOR
12x8 ^� -FLAT OVAL DUCT t �— - TRANSITION, ECCEN RIC VFD - VARIABLE FREQUENCY DRIVE OPERATION, BALANCING OR MAINTENANCE OF ALL MECHANICAL EQUIPMENT.
LAT - LEAVING AIR TEMPERATURE
�— - PRESSURE SENSOR
®24x12 -NEW DUCTWORK, FIRST DIMENSION IS SIDE SHOWN 10x8 - TRANSITION, SQUARE TO ROUND LWT - LEAVING WATER TEMPERATURE a p - CHANGE IN PRESSURE 15. ALL DUCTWORK AND PIPING IS SHOWN SCHEMATICALLY. PROVIDE ALL TRANSITIONS, TURNING
AT - CHANGE IN TEMPERATURE VANES, ELBOWS, FITTINGS, ETC., TO ALLOW SMOOTH FLOWS. ALL SPLIT DUCT FITTINGS SHALL.
— - BACKDRAFT DAMPER LD - LINEAR DIFFUSER TRANSITION TO FULL. SIZE OF THE SUM OF BOTH BRANCHES, UPSTREAM OF SPLIT.
- NEUTRAL RELATIVE PRESSURE 24x12 - EXISTING DUCTWORK TO REMAIN - SQUARE THROAT ELBOW MBH - THOUSAND BTUs PER HOUR
W/TURNING VANES 16. PROVIDE CONCRETE HOUSEKEEPING PAD UNDER ALL FLOOR- MOUNTED EQUIPMENT. REFER TO
- POSITIVE RELATIVE PRESSURE____ 2402 ± - EXISTING DUCTWORK TO BE REMOVED SPECIFICATIONS FOR DETAILED REQUIREMENTS.
A - NEGATIVE RELATIVE PRESSURE 17. VERIFY FINISH WITH ARCHITECT PRIOR TO PURCHASING GRILLES, REGISTERS, DIFFUSERS,
-DUCT ELBOW, POSITIVE PRESSURE (SUPPLY) -RADIUS ELBOW LOUVERS AND OTHER AIR DISTRIBUTION DEVICES.
-SHEET NOTE CALLOUT DOWN UP W /IN FLOOR 18. PROVIDE FLEXIBLE DUCT CONNECTIONS ON ALL DUCTWORK CONNECTING TO EACH FAN,
AIR HANDLING UNITS, AND FAN COIL UNITS.
-SHEET NOTE CALLOUT -DUCT ELBOW, EXHAUST - RECTANGULAR /ROUND BRANCH TAKE OFF 19. PROVIDE TRANSITIONS AT DIFFUSER NECKS AS REQUIRED TO MATCH SIZES OF FLEX DUCTS
-SHEET NOTE CALLOUT OR ROUND /ROUND BRANCH TAKEOFF TO BE CONNECTED.
r—= Z= -DUCT ELBOW, NEGATIVE PRESSURE, RETURN 20. INTERRUPTIONS TO EXISTING SERVICES SHALL BE SCHEDULED FOR TIMES OTHER THAN
® - CEILING MOUNTED ACCESS DOOR �o� r NORMAL OPERATING HOURS (SUCH AS NIGHTS AND WEEKENDS). SUCH INTERRUPTIONS TO
-DUCT ELBOW UP THROUGH ROOF OR SLAB ABOVE - SQUARE THROAT TEE SERVICES SHALL NOT BE MADE WITHOUT THE PRIOR WRITTEN CONSENT OF THE OWNER'S
HVAC EQUIPMENT TAGS REPRESENTATIVE AND PROPER COORDINATION WITH OTHER TRADES. PRE-WORK SHALL BE
® - RECTANGULAR DUCT SECTION UP, POSITIVE PRESSURE, PERFORMED TO MAKE THE SHUTDOWN PERIOD AS BRIEF AS POSSIBLE.
SUPPLY OR OUTSIDE AIR
® - RECTANGULAR DUCT SECTION UP, /-TAG ALL EQUIPMENT, DUCTWORK, ETC., TO BE REMOVED SHALL REMAIN PROPERTY OF THE OWNER
NEGATIVE PRESSURE, RETURN 12x8 - RADIUS TEE OR DISPOSED OF LEGALLY, AS DIRECTED BY OWNER.
® - RECTANGULAR DUCT SECTION UP, EXHAUST A 200 -AIR DISTRIBUTION DEVICE 22. MAINTAIN CLEARANCE OF A MINIMUM OF 6" BETWEEN DUCTWORK, PIPING, EQUIPMENT, ETC.,
AND ALL FIRE RATED AND FIRE /SMOKE RATED PARTITIONS, TO ALLOW FOR INSPECTIONS OF
-ROUND DUCT SECTION UP �CFM RATED WALLS.
- RECTANGLE TO ROUND TAKEOFF 23. LOCATE ALL OUTSIDE AIR INTAKES A MINIMUM OF 25' -0" CLEAR FROM ALL PLUMBING VENTS
-FLAT OVAL DUCT SECTION UP AHU NUMBER AND EXHAUST AIR DISCHARGE LOCATIONS. LOWEST POINT OF EACH OUTSIDE AIR INTAKE ON
-- ROOF SHALL BE A MINIMUM OF 36" ABOVE ROOF.
f - EXHAUST DUCT UP THROUGH SLAB W/ - STANDARD BRANCH TAKEOFF
®� FAN ON ROOF ABOVE AHU-1 -AIR HANDLING UNIT 24. DUCT RUNOUTS TO DIFFUSERS SHALL MATCH THE SIZE OF THE DIFFUSER NECK.
- EXHAUST FAN ON ROOF W/ DUCT DOWN THROUGH ROOF - SPIN-IN TAKEOFF 25. WATER PRESSURE DROPS THROUGH COIL CONTROL VALVES SHALL NOT EXCEED 5 PSI.
�••./ 26. UNLESS OTHERWISE NOTED, ALL EQUIPMENT AND VALVE DRAINS SHALL. BE INDEPENDENTLY
AHU NUMBER E /-COIL NUMBER PIPED FULL SIZE TO THE NEAREST PLUMBING DRAIN.
HVAC PIPING SYMBOL LEGEND RHC--1 --1 - REHEAT COIL 27• SLEEVE AND SEAL ALL PIPING PENETRATIONS THROUGH BUILDING PARTITIONS. PROVIDE MANUAL
AIR VENTS AT ALL HIGH POINTS IN CHILLED WATER AND HOT WATER PIPING.
SYMBOL DESCRIPTION SYMBOL DESCRIPTION SYMBOL DESCRIPTION 28. PIPING, DUCTWORK, LEAK PROTECTION APPARATUS, OR OTHER EQUIPMENT FOREIGN TO
VARIABLE CONSTANT AIR VOLUME TERMINAL UNITS ELECTRICAL SWITCHBOARDS, PANELBOARDS, DISTRIBUTION BOARDS, OR MOTOR CONTROL
CWS - CONDENSER WATER SUPPLY -FLOW DIRECTION j CENTERS SHALL NOT BE INSTALLED WITHIN THE REQUIRED SPACE FOR WORKING CLEARANCES
EQUIP. �n _ P- TRAP AHU NUMBER OR DEDICATED SPACES OF THE ELECTRICAL EQUIPMENT, EXTENDING IN FRONT OF AND FROM
CWR - CONDENSER WATER RETURN GATE VALVE TERMINAL UNIT TYPE
uv VTU - VARIABLE TERMINAL UNIT FLOOR TO STRUCTURAL CEILING WITH A WIDTH AND DEPTH OF THE ELECTRICAL EQUIPMENT IN CHWS - CHILLED WATER SUPPLY 6 -BALL VALVE f - MANUAL VENT CTU - CONSTANT TERMINAL UNIT �- TERMINAL NUMBER ACCORDANCE WITH NEC - 110.26.
CHWR - CHILLED WATER RETURN - CALIBRATING BALANCING VALVE STU - SERIES TERMINAL UNIT TU - PARALLEL TERMINAL UNIT VTU -1 -1
CD - CONDENSATE - BUTTERFLY VALVE �
- PRESSURE GAUGE
CR - CONDENSATE RETURN "� -GAS COCK �— -FLOW METER
PC - PUMPED CONDENSATE D -UNION M -WATER METER HVAC DRAWING INDEX
HWR -HOT WATER RETURN -STRAINER - INUNE PUMP
HWS -HOT WATER SUPPLY - CONTROL VALVE SHEET DESCRIPTION ISSUED
- INUNE PUMP
HPS -HIGH PRESSURE STEAM SUPPLY - SOLENOID VALVE E -CAP M -1 HVAC LEGEND, GENERAL NOTES, & SHEET INDEX Yes
MPS - MEDIUM PRESSURE STEAM SUPPLY— -PSI REG. M -2 FIRST FLOOR DEMOLITION PLAN - DUCTWORK Yes
- CONNECTION, BOTTOM M -3 FIRST FLOOR PLAN - DUCTWORK Yes
LIDS -LOW PRESSURE STEAM SUPPLY -CHECK VALVE HVAC DESIGN REQUIRES: YES NO - CONNECTION, TOP M -4 SCHEDULES AND DETAILS - HVAC Yes
HPR -HIGH PRESSURE STEAM RETURN R -FLOW SWITCH - COUPLING DUCT SMOKE DETECTORS M -5 SPECIFICATIONS -HVAC Yes
MPR - MEDIUM PRESSURE STEAM RETURN -SLOPE DIRECTION (DOWN) ELBOW, 90' FIRE DAMPER(S)
LPR -LOW PRESSURE STEAM RETURN -FLEX CONNECTION E - ELBOW, 45' SMOKE DAMPER(S)
RL - REFRIGERANT LIQUID MVTN - O.S. &Y. GATE VALVE C - ELBOW, TURNED DOWN FIRE RATED ENCLOSURE
RS - REFRIGERANT SUCTION -STS TRAP - ELBOW, TURNED UP FIRE RATED ROOF /FLOOR
�— �
- THREE-WAY CONTROL VALVE CEILING ASSEMBLY
I -TEE, OUTLET DOWN
FIRE STOPPING
- THERMOMETER —ca' -TEE, OUTLET UP SMOKE CONTROL
- TWO -WAY CHECK VALVE -45' PIPE RISE (R) /DROP (D)
'—" -RELIEF VALVE -PIPE ANCHORS
J, - CONCENTRIC REDUCER
so -VALVE ON RISER - ECCENTRIC REDUCER
NOTE: SOME SYMBOLS SHOWN ON THIS LEGEND MAY NOT PERTAIN TO THIS PROJECT
I 11im A
9024 SW 152 STREET
PALMETTO BAY, FL 33157
PH: (305) 234-0576
EDWARD LEWIS ARCHITECTS, INC.
AAC001678
C. EDWARD LEWIS AR 0009567
M /E/P ElItOff
255 S. Orange Avenue
Suite 1600
Orlando, Florida 32801
Phone: 407 -841 -9050
ENGINEERING Fax: 407- 540 -0234
FOR ARCHITECTURE www.tic- engineers.com
® Copyright 2010 TLC Engineering for Archikecture, Inc.
EB #0000015 TLC NO:111403
Structural Engineer
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Revision
Project Number
10 -0368
Date
MARCH, 2011
Sheet Tide
HVAC LEGEND
& SHEET INDEX
Drawn bys ATT
Chocked bye DCB
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Revision
Project Number
10 -0368
Date
MARCH, 2011
Sheet Tide
HVAC LEGEND
& SHEET INDEX
Drawn bys ATT
Chocked bye DCB
Sheet Number
a