Page 101 - Gaylord Blue Book 2021

RSPC -TPF
RSPC
-TPF

EXHAUST FAN OPTIONS: FIRE EXTINGUISHING SYSTEM OPTIONS:

Exhaust Fan (Standard Centrifugal Fan) Specifier Note: NFPA-96 requires a fire extinguishing system for protection of
the smoke and odor control sections and protection of the duct downstream
of any filters or dampers. Not all authorities having jurisdiction require
The unit shall include a centrifugal exhaust fan listed to UL 762. The protection. Check with your AHJ. If required, specify one of the following
exhaust fan shall be an SWSI upblast arrangement #9 with a non- systems.
overloading BI, AF or FB wheel. The motor, drives, bearings and fan
mounting base shall be located out of the exhaust air stream as required
by the International Mechanical Code and NFPA-96. The fan shall be WET CHEMICAL SYSTEM: Provide a complete factory mounted Ansul
AMCA certified and bear the AMCA seal for performance. The fan wet chemical fire extinguishing system, including nozzles piping and
housing shall be constructed of heavy gauge steel. The fan bearings detection runs. Pipe penetrating the unit cabinet shall use a UL listed
shall be heavy-duty self-aligning pillow block type rigidly mounted on fitting. System shall be installed in accordance with the systems listing
heavy structural steel supports. The motor shall be PE, inverter-ready and NFPA-96. The Ansul Automan cabinet shall be mounted on the
ODP three-phase mounted on a common base with the fan and shall side of the unit for easy access, certification and service if space allows.
be pre-wired to the electrical cabinet located on the unit. The electrical If there is not space for the FP cabinet it will be shipped loose and be
cabinet shall include a disconnect switch, motor starter, overloads and mounted in the field by the FP installer. If the unit is exposed to freezing
fuses. The factory provided drive assembly shall be adjustable pitch on 5 conditions, the Ansul Automan cabinet shall be mounted in an insulated
HP and smaller, fixed pitch on 7.5 HP and larger. It shall also be sized for thermostatically controlled heated cabinet.
a minimum 1.5 service factor. After final system balancing, fixed pitch
sheaves shall be provided and installed by the air balancing contractor WATER SPRAY SPRINKLER FIRE SYSTEM:
to provide proper flow at actual installed conditions.

Specifier Note: Units that are located indoors may be factory pre-piped for
Exhaust Fan (Optional Tubular Fan)
a wet pipe building sprinkler system.
The unit shall include a tubular centrifugal exhaust fan. The motor, Provide a pre-piped water spray fire system installed in accordance with
drives, bearings and fan mounting base shall be located out of the
exhaust air stream as required by the International Mechanical Code NFPA-96. The unit shall be piped with one pendent type sprinkler nozzle
located in the smoke control section, one in the odor control section,
and NFPA-96. The fan shall be AMCA certified and bear the AMCA seal if equipped with 50/50 media bed, and one in the exhaust fan section
for performance. The fan housing shall be constructed of heavy gauge for interconnection to the building sprinkler system by the appropriate
steel. The fan bearings shall be heavy-duty rigidly mounted on heavy trades. Pipe penetrating the unit cabinet shall use a UL listed fitting.
structural steel supports. The motor shall be PE, inverter-ready ODP
three-phase mounted on a common base with the fan and shall be pre- Nozzles shall be the bulb type rated at 325°F.
wired to the electrical cabinet located on the unit. The electrical cabinet
shall include a disconnect switch, motor starter, overloads and fuses. CHECK OUT AND DEMONSTRATION:
The factory provided drive assembly shall be adjustable pitch on 5 HP
and smaller and fixed pitch on 7.5 HP and larger. It shall also be sized for
a minimum 1.5 service factor. After final system balancing, fixed pitch Upon completion of installation, the entire pollution control system,
sheaves shall be provided and installed by the air balancing contractor including the kitchen exhaust hoods, shall be commissioned by a
to provide proper flow at actual installed conditions. factory certified service technician. Start-up shall include checking
all filters, filter monitoring station, odor control and exhaust fan. The
appropriate maintenance personnel shall be given a technical manual
EXHAUST FAN HOUSING: The exhaust fan section of the unit shall be and a complete demonstration of the system, including operation and
enclosed with the same material as the smoke control section. There maintenance procedures. Upon completion of the commissioning, a
shall be a hinged panel for access to the fan. detailed start-up report shall be made available to the architect and
owner certifying proper system operation. Changes required in fan
drive components shall be performed by the air balancing contractor
per instruction of the Gaylord start-up representative.
UNIT CONSTRUCTION: The unit housing shall be constructed of a
minimum 16-gauge G90 bright galvanized steel. The perimeter base
shall be 12-gauge formed channel with lifting lugs at each corner and
along the length as required. The internal housing shall be externally
welded liquid tight for compliance to the International Mechanical Code
and NFPA-96 grease duct construction requirements.

The manufacturer reserves the right to modify the materials and specifications resulting
from a continuing program of product improvement or the availability of new materials.

Form No. RSPC-TPF-22147 032020 © Copyright 2020, Gaylord Industries Litho USA