15820-2
VENTILATION FANS
be controlled by either a potentiometer dial mounted at the motor or by a 0-10
VDC signal.
C. Roof Curbs:
l.
2.
3.
4.
5.
6.
Required for all roof mounted fans unless an integral part of roof structure and
so shown on the Architectural Drawings.
18 inches high.
Supplied with fan.
Prefabricated all welded aluminum construction structurally reinforced to
support fan.
1% inch thick rigid fiberglass insulation.
15820-1
SECTION 15820
VENTILATION FANS
PART 1 - GENERAL
1.1 DESCRIPTION
A. Work Included: Provide and install ventilation fans of the types and arrangement as
shown on the Drawings and as specified herein.
B. Related Work Specified Elsewhere "HVAC - General" is specified in this Division.
"Electrical-General" is specified in Section 16010.
1.2 QUALITY ASSURANCE
A. Standards
1.
Air Movement and Control Association
15815-2
AIR TERMINAL BOXES
(Electric)". All air terminal units shall be brand new products of the same
manufacturer.
B. Capacity and Performance: The maximum capacity of a single terminal unit shall
not exceed the capacity as indicated on the mechanical schedule.
C. Sound Power Levels: Acoustic performance of the air terminal units shall not
exceed levels as indicated on the mechanical schedule.
15815-1
SECTION 15815
AIR TERMINAL BOXES
PART 1 - GENERAL
1.1 DESCRIPTION
A. Work Included: Provide and install air terminal boxes of types, sizes and
configuration as shown on the Drawings and specified herein.
B. Related Work Specified Elsewhere: "HVAC - General" is specified in this Division.
"Electrical - General" is specified in Section 16000. For control sequence, refer to
Section 15609, “HVAC Instrumentation and Control (DDC).
15780-5
PACKAGED ROOFTOP AIR HANDLING UNITS
Division 15 Section "Duct Accessories."
3.2 FIELD QUALITY CONTROL
A.
B.
C.
Manufacturer's Field Service: Inspect, test, and adjust components, assemblies, and
equipment installations, including connections. Report results in writing.
Perform tests and inspections and prepare test reports.
Manufacturer's Field Service: Inspect components, assemblies, and equipment
15780-4
PACKAGED ROOFTOP AIR HANDLING UNITS
2.2
15780-3
PACKAGED ROOFTOP AIR HANDLING UNITS
provide anti-short cycle timing and time delay between compressors.
Phase monitor: Phase monitor shall provide 100% protection for motors and
compressors against problems caused by phase loss, phase imbalance, and phase
reversal. The module shall automatically reset from a fault condition.
Accessories: Factory-mounted disconnect switch and GFCI duplex electrical service
outlet.
Om
15780-2
PACKAGED ROOFTOP AIR HANDLING UNITS
3. York.
4. Or approved equal.
15780-1
SECTION 15780
PACKAGED ROOFTOP AIR HANDLING UNITS
PART 1 - GENERAL
1.1
1.2
1.3
DESCRIPTION
A.
Work Included: Furnish and install packaged cooling-only rooftop air handling units
(RTU) of the size and capacity as shown on the Drawings. Unit shall include
compressor, condenser coil, fans, motors, refrigerant reservoir, charging valve,
holding charge of R-410A, refrigeration specialties and integral control panel,
completely packaged, piped, wired and assembled suitable for outside installation.
15750-2
HOT WATER COILS
PART 3 - EXECUTION
3.1 INSTALLATION
A. Install in strict accordance with the manufacturer's instructions and recommendations
and as shown on drawings.
B. Install with shut off valves, control valves, balancing valves, air vents and duct
transitions as required for unit operation and balancing.
END OF SECTION
13089K
