KEYED NOTES:
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
CAP
GENERAL NOTES:
GAS FIRED ROOFTOP UNIT LOCATE
A MINIMUM OF 10'-0" FROM EDGE OF
ROOF
CANVAS FLEXIBLE CONNECTION
1" ACOUSTIC INSULATED DUCTS
4x4 ANGLE FASTENED TO ROOF
DECK AND STRUCTURAL SYSTEM.
PROVIDE SUPPORTS AS REQUIRED
FACTORY FABRICATED, INSULATED
ROOF CURB (BY SAME MFG'R AS
UNIT)
FASTEN CURB TO DECK
RADIUSED ELBOW
UNION BY PLUMBING CONTRACTOR
(PC)
GAS SHUT-OFF VALVE BY PC
GAS LINE (BLACK STEEL) BY PC
SECURE TO CURB
WOOD NAILER
ROOFING MEMBRANE, FLASH UP TO
BELOW WOOD NAILOR
CANT STRIP
ROOF DECK - CUT OPENINGS FOR
DUCT PENETRATIONS ONLY
CONDENSATE TRAP - SEE
CONDENSATE DRAIN TRAP DETAIL
HIGH WATER ALARM IN
CONDENSATE DRAIN PAN. WIRE TO
BREAK 24 VOLT CONTROL POWER IN
THE CASE OF A HIGH
WATER EVENT.
A.
B.
CONTRACTOR SHALL PROVIDE CURB TO
MAINTAIN 14" MINIMUM ABOVE FINISHED
ROOFING SYSTEM. PROVIDE ADDITIONAL
BLOCKING AS REQUIRED TO ACCOMMODATE
ROOF INSULATION THICKNESS
FINAL LOCATION AND STRUCTURAL
VERIFICATION BY OTHERS.
K = MINIMUM OF 1/2"
M = 1/2" PLUS MAXIMUM TOTAL
PRESSURE
CAP
GENERAL NOTES:
GENERAL NOTES:
STATIC
A.
PIPE FULL SIZE
OF AIR UNIT DRAIN
CONNECTION
B.
C.
K
D.
FLOW
SEE NOTE 2
LOCATE TRAPS SO AS TO BE ACCESSIBLE
FOR CLEANING
CONDENSATE PIPING SHALL GRADUALLY
SLOPE DOWN FROM DRAIN TRAP
CONFIRM TRAP REQUIREMENTS WITH
EQUIPMENT MANUFACTURER
REFER TO SPECIFICATIONS FOR
MATERIAL AND INSULATION
REQUIREMENTS
1.
2.
RETURN TUBE
VERIFY WITH AHJ
M
3.
AIR DUCT
4.
5.
CAP
POSITIVE PRESSURE
H = (1" FOR EACH 1" OF MAXIMUM NEGATIVE
STATIC PRESSURE) + 1"
J = HALF OF H
L = H + J + PIPE DIAMETER + INSULATION
SMOKE DETECTOR
KEYED NOTES:
PROVIDE SPLITTER DAMPER
(SD) AT ALL MAIN BRANCH
TAKEOFFS
PROVIDE MANUAL VOLUME
DAMPERS AT ALL BRANCH
TAKEOFFS
PROVIDE MINIMUM 3 TIMES
STRAIGHT INLET DIAMETER
TO ALL VAV TERMINAL
DEVICES
DAMPER NOT REQUIRED AT
TERMINAL DEVICE TAKEOFF
ALL MANUAL DAMPERS
SHALL BE LOCATED IN AN
ACCESSIBLE CEILING.
PROVIDE ACCESS PANEL AS
REQUIRED
1.
AIR FLOW
2.
3.
4.
AIR
FLOW
AIR
FLOW
7.
PIPE FULL SIZE
OF AIR UNIT DRAIN
CONNECTION
AIR
FLOW
CAP
L
H
AIR
FLOW
SAMPLING TUBE
FLOW
SEE NOTE 2
J
NEGATIVE PRESSURE
NOTE: OUTDOOR UNITS AND UNITS LOCATED IN UNCONDITIONED SPACES WHICH PROVIDE COOLING IN THE
WINTER MUST HAVE HEAT TRACE ON CONDENSATE PIPING.
ROOF CURB AND MOUNTING
232113.23-05
SCALE: NONE
AIR
FLOW
COND. DRAIN TRAP POSITIVE & NEGATIVE
SCALE: NONE
Note: Refer to manufacturer recommendation for smoke
detector mounting location.
Provide straight run up and downstream of sampling tube
per manufacturer's requirements.
230500.00-02
AIR
FLOW
AIR
FLOW
DUCT MOUNTED SMOKE DETECTOR
233300.00-01
SCALE: NONE
SCALE: NONE
GENERAL NOTES:
A.
3
INSTALLATION TO CONFORM TO NFPA 90A AND MANUFACTURERS
INSTRUCTIONS
10
4
12" MIN.
INSULATION
MAIN BRANCH
MANUAL DAMPER DETAIL
2
5
7
6
ITEM.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
DESCRIPTION
ADJUSTABLE CONNECTING ROD
FLEX CONDUIT
DAMPER FRAME
ACTUATOR
OVER CENTER LOCK
DAMPER SLEEVE
PFMA OR CONVENTIONAL MOUNTING ANGLES
SLEEVE TO DUCT CONNECTION
ACCESS DOOR IN DUCT
PROVIDE ARCHITECTURAL ACCESS PANEL
IN NON-ACCESSIBLE WALLS OR CEILINGS
MAIN
SUPPLY
DUCT
KEYED NOTES:
9
8
1.
3-1/2" MIN.
GENERAL NOTES:
1.
KEYED NOTES:
KEYED NOTES:
1.
2.
3.
1.
REGISTER WITH 0 DEGREE DEFLECTION
BLADE DAMPER
(TO BE SIZED AS SCHEDULED)
SUPPLY DUCT
SEAL JOINTS BETWEEN COLLAR AND MAIN
DUCT
2.
3.
4.
5.
233713.00-01
HORIZONTAL REGISTER INSTALLATION
0 DEGREES
SCALE: NONE
24" MIN
y
x
6" MIN
KEYED NOTES:
GENERAL NOTES
A.
B.
OPENING SIZE:
12x12 RG = 12x12 DUCT
24x24 RG = 24x18 DUCT
x + y DIMENSIONS SHALL BE DETERMINED
FROM FLOOR PLANS
233713.00-13
GALVANIZED OPERATOR PAD
BRANCH MAIN DUCT
DOUBLE THICKNESS TURNING
VANES (TYPICAL)
3" RADIUS MINIMUM
DUCT TEE
AIR UNIT CASING
AIR UNIT CASING
237433.00-04
5.
6.
20 GAUGE DOUBLE SHEET METAL
AIR FOIL FULL DEPTH OF MAIN
DUCT UP TO 12" WIDE BRANCHES
18 GAUGE ON WIDER BRANCHES
MAIN DUCT
GALVANIZED 3/16" ROD
VENTLOCK NO. 600-3 DAMPER
BLADE, BRACKET & LOCKING
1.
2.
3.
1/2" ACOUSTIC LINING
12x12 RG OR 24x24 RG (UNLESS OTHER WISE
NOTED)
OPENING SAME SIZE AS RG NECK
PLENUM RETURN AIR GRILLE
SCALE: NONE
MAXIMUM LENGTH OF INSUL. FLEX DUCT
EQUALS 5 FEET. FLEX NOT PERMITTED IN
INACCESSIBLE CEILINGS
INSULATED DUCT, COLLAR AND DIFFUSER BY
HVAC CONTRACTOR
SCOOP
SPIN IN FITTING WITH MANUAL VOLUME
DAMPER
INTERNAL BUTTERFLY DAMPER FOR
DRYWALL APPLICATIONS ONLY.
(PROVIDE KEY FOR ADJUSTMENT)
6.
7.
8.
9.
233713.00-04
SECURE TO CEILING PER MANUFACTURER'S
RECOMMENDATIONS AND PER CEILING FINISH.
PROVIDE GRID CLIPS PER MFG'R REQUIREMENTS.
PROVIDE FRAMING FOR DRYWALL
INSTALLATION.
HANGER, SECURE TO STRUCTURE AND
DUCTWORK
PEEL BACK INSULATION AND PROVIDE STRAPPING
AND SHEET METAL SCREWS AT FLEX CONNECTION TO
DUCT. THEN PROVIDE STRAPPING AROUND
INSULATION.
SUPPORT FLEX TO PREVENT COLLAPSING
DIFFUSER INSTALLATION (TYPICAL)
SCALE: NONE
WHERE LINEAR DIFFUSER IS ADJACENT TO
WINDOWS, ADJUST PATTERN CONTROLLER
TO DIRECT AIRFLOW HORIZONTALLY
TOWARDS WINDOWS.
KEYED NOTES:
1.
2.
3.
4.
5.
LOW PRESSURE SUPPLY DUCT
1" WIDE BAND AND CLAMP.
SHEET METAL SCREW
INSULATED FLEX. DUCT
MAX LENGTH 5'-0" ABOVE ACCESSIBLE
CEILINGS ONLY.
PEEL BACK INSULATION AND PROVIDE
STRAPPING AND SHEET METAL SCREWS AT
FLEX CONNECTION TO DUCT. THEN PROVIDE
233713.00-14
6.
7.
8.
9.
10.
11.
12.
13.
STRAPPING AROUND INSULATION.
SHEET METAL PLENUM
1/2" ACOUSTICAL LINING
PATTERN CONTROLLER
SCREWS, MIN 6" ON CENTER & SEAL AIRTIGHT,
TYP, BOTH SIDES
VOLUME ADJUSTER
BAND CLAMP
MAXIMUM SAG 1/2" PER FOOT
BETWEEN SUPPORT BRACING
TAKE-OFF SPIN-IN FITTING WITH
ADJUSTABLE MANUAL DAMPER. LOCATE
ABOVE ACCESSIBLE CEILING OR PROVIDE
ACCESS PANEL BELOW DAMPER.
SHEET METAL BRANCH DUCT
MANUAL VOLUME DAMPER
PLENUM/LINEAR DIFFUSER
SCALE: NONE
11
CEILING
BLUE
YELLOW
BLUE
YELLOW
FS PRIMARY
HEAT SENSOR
MANUAL RESET
S1
2.
3.
4.
5.
6.
S2
GALVANIZED ALL THREAD ROD SUSPEND
FROM BUILDING STRUCTURE AND FROM FAN
MOUNTING FLANGES. USE CHANNELS UNDER
FAN AS AN ALTERNATIVE SUPPORT
CEILING FAN
OUTLET FLANGE
BACKDRAFT OR MOTOR OPERATED DAMPER
(SEE SCHEDULE SPEC'S)
METAL HANGER, SECURE TO STRUCTURE
AND TO DUCTWORK
FLEXIBLE CONNECTION
BROWN
ORANGE
BLACK
BROWN
HL HIGH LIMIT
TEMP. SENSOR
MANUAL RESET
233313.00-16
SMOKE DAMPER
SCALE: NONE
233423.00-02
CABINET EXHAUST FAN
SCALE: NONE