Page 80 - Gaylord Blue Book 2021

P. 80

DCV-AV AIRVANTAGE

VARIABLE FREQUENCY DRIVE(S): • Provide all low voltage cabling from AirVantage Command Center to
• NEMA 1 enclosed VFD(s) up to 75 HP, shall be installed to allow full the associated VFD(s) per wiring schematics.
system modulation up to a 70% reduction in airflow from design. • Provide all 3-phase wiring to VFD per local AHJ and code requirements.
 Optional: Engineered enclosures available for outdoor use. • Upon completion of wiring the DCV-AV system, the electrician must
• All related low voltage communication cabling shall be provided by verify proper fan rotation of each fan motor with the VFD drive ON and
the electrical contractor. operating to ensure proper fan rotation.

SCOPE OF WORK / AREAS OF RESPONSIBILITIES: SCOPE OF WORK PERFORMED BY BUILDING CONTROLS CONTRAC-
• Responsibility of Mechanical Engineer of record and/or the Mechanical TOR, COORDINATED BY KEC:
contractor: (If project requires DCV system to connect to a Building Management Sys-
 Shall provide DCV Manufacturer with the following information, tem)
prior to the start of the project submittal drafting process to support a • Install low voltage wiring from BACnet connections on the AirVantage
successful installation of the DCV System. Command Center to the BMS panel for system operations, motor speed
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 itchen exhaust fan details including exhaust and makeup air fan data, and additional information.
schedules that list fan motor voltage and horsepower and identify
which exhaust hoods are associated with each fan. SCOPE OF WORK PERFORMED BY DCV CERTIFIED TECHNICIAN:
 etails of the Makeup Air Unit type and operational airflow range. • Shall verify that all final cable connections to the AirVantage Com-
D
 Mechanical ductwork details of kitchen exhaust and MUA system mand Center are properly installed prior to the DCV startup process.
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 onfirm that the kitchen exhaust hood makeup air. • Shall verify any control wiring to BMS, if required, is properly installed
unit can modulate to as low as 30% of design air flow. prior to the DCV startup process.
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 ocation of the VFDs for the makeup air and exhaust fan • Shall perform the complete startup and commissioning process of the
associated with the kitchen exhaust hoods. DCV system per the Technical Manual once all installation of the equip-
 Shall for systems specified with SmartAir VAV determine VAV unit ment and wiring is confirmed complete by KEC.
sizing, VAV placement, and installation.  Set all hood sections to design air flow
 Adjust the VFD set points if the VFD(s) were provided by DCV
SCOPE OF WORK PERFORMED BY DCV MANUFACTURER: System manufacturer; or coordinate the adjustments with the contrac-
• Supply the DCV System in accordance with approved drawings. tor providing the VFD(s).
• Provide all individual hood section dampers and controller(s) as part  Verify complete DCV system functionality per Sequence of Opera-
of the hood assembly. tions and maximize system optimization and provide a written report
• Provide all appropriate sensors in the hood canopy as part of the hood of the functionality of the system.
assembly.  Optional
 Optional  DCV Certified Technician to oversee the installation of the system
 Provide AirVantage Command Center mounted onto a hood through up to 3 site visits, in addition to the commissioning visits,
section. to explain the system, answer questions for all trades involved with
the install of the DCV system, and assure proper installation and
SCOPE OF WORK PERFORMED BY KITCHEN EQUIPMENT CONTRAC- coordination.
TOR (KEC):
• Install AirVantage Command Center per specified drawing location(s) SCOPE OF WORK PERFORMED BY PROJECT SUPERINTENDENT/
and DCV installation manual guidelines. MANAGER:
• Coordination of the high and low voltage wiring connections, VFD ca- • Coordinate system balancing with qualified TAB contractor once DCV
bling, any conduit, and ceiling or wall penetrations. Certified Technician sets hood or hood and SmartAir VAV design airflow
rates when equipped.
SCOPE OF WORK PERFORMED BY ELECTRICAL CONTRACTOR, CO- • Coordinate any required fan and/or SmartAir VAV adjustments.
ORDINATED BY KEC:
• The wall mounted AirVantage Command Center will require: GENERAL NOTES:
 120V, single-phase dedicated circuit to AirVantage Command Cen- 1. No substitution of Gaylord components allowed except cables.
ter. 2. All motors must be 3-phase inverter duty rated as specified in NEMA
 (1) RJ45 cable interfacing the controller with the individual Std. 1, part 31.
hood sections 3. Minimum airflows are to be set for a maximum turndown with the
 Provide (1) or more 3-phase service(s) for supply and exhaust mo- Test Balance Technician responsible for any necessary field adjust-
tors as dictated by the system design. ments to fan sheaves.
• Each Gaylord hood provided with the AirVantage Command Center 4. Gaylord Operations and Maintenance Manuals (O&Ms) are available
will require: online at www.gaylordventilation.com.
 (1) 120/240 VAC single-phase input to be shared with the hood
canopy lighting. CAPTURE AND CONTAINMENT: Shall be per ASHRAE STD 154.
 (1) RJ45 cable to transmit runtime data and the hood’s require-
ment for air to the AirVantage Command Center. ACCEPTANCE & APPROVALS: DCV System will comply with current IMC
• Connect low voltage wire between hood sections per wiring 507.2.1.1. The AirVantage Command Center shall be listed to UL 508A,
schematics. UL 710 and UL 873. The AirVantage Command Center enclosure shall be
• Connect 120VAC single-phase wiring between hood sections per compliant with NSF Standard No. 2.
wiring schematics.
• Provide all wiring needed to connect hood fire protection system to
AirVantage Command Center per wiring schematics.

GAYLORD INDUSTRIES

The manufacturer reserves the right to modify the materials and specifications resulting 10900 SW AVERY ST • TUALATIN, OREGON 97062 U.S.A.
from a continuing program of product improvement or the availability of new materials. PHONE: 800.547.9696 • FAX: 503.692.6048 • email: info@gaylordventilation.com
www.gaylordventilation.com

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