Improper installation, adjustment, alteration service or maintenance can cause property damage, injury or death. Read
the installation, operation and maintenance instructions
thoroughly before installing or servicing this equipment.
Only trained and qualied service personnel should install
or service this equipment.
Congratulations on your recent purchase of a Gaylord ClearAirTM Pollution Control
Unit. We are proud to be able to provide you with a quality product that exemplifies
our long-standing dedication to quality engineering.
Your unit is assembled from some of the very finest components available and is
designed for years of efficient, effective, and trouble free operation. In addition, this
unit has undergone rigorous quality control inspections and was fully operationally
tested prior to shipment.
If you have further questions, please contact us toll free at 1-800-547-9696, or
info@gaylordusa.com. We are more than happy to help.
ALL RIGHTS RESERVED. NO PART OF THIS BOOK MAY BE REPRODUCED,
STORED IN A RETRIEVAL SYSTEM, OR TRANSMITTED IN ANY FORM BY
AN ELECTRONIC, MECHANICAL, PHOTOCOPYING, RECORDING MEANS
OR OTHERWISE WITHOUT THE WRITTEN PERMISSION OF GAYLORD
INDUSTRIES. COPYRIGHT 2010.
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.
Additional Copies $15.00
The Gaylord ClearAirTM Unit is designed, engineered and manufactured by
RECEIVING AND INSTALLATION ……………………………….…………………………......…… A-1
START UP INSTRUCTIONS ………………………………………………………………….....……. B-1
LIMITED WARRANTY ………………………………………………………...… INSIDE BACK COVER
4
INTRODUCTION
ir quality is becoming a major concern in America’s large
A
cities and as a result, many commercial kitchens will
require pollution control equipment in their exhaust systems to
comply with the increasing demands of environmental control
agencies. In addition, pollution control equipment is being
used for kitchens in high-rise buildings allowing the exhaust
to discharge out the side of the structure which saves the cost
of running the duct up many oors to the roof.
Pollution control in kitchen exhaust systems has typically been
accomplished by any one of the following methods - gas red
incinerators, scrubbers, ltration units or electrostatic precipitators. Incinerators and afterburners literally burn the pollutants and, while effective, can be very costly and hazardous
to operate. Scrubbers consist of a water bath and extraction
bafes to remove the pollutants and though quite effective
on grease removal, they typically require the addition of high
efciency lters to abate smoke below control agencies’
standards. Filtration units use a series of impingement lters
to remove the pollutants and if done properly can be quite
effective on both smoke and grease.
The Gaylord pollution control unit, trademarked “ClearAir”TM,
can be manufactured with either electrostatic precipitation
(ESP) or Filtration (TPF). Gaylord Industries has been
manufacturing ESP’s specically designed for commercial
kitchen exhaust systems since the early 1970’s, longer
than any other manufacturer. However, when initial cost
is a greater concern the TPF unit is a sound alternative.
The ClearAirTM TPF unit is available in several congurations, as illustrated on the following pages, ranging in capacity from 1000 to 32,000 CFM (472 to 15,102 L/s). Most
models can include an exhaust fan and odor abatement
equipment as an option.
Basic Facts About Smoke
Smoke particles are extremely small and not visible to the
human eye unless thousands of them are grouped together
to form what we see as smoke. Individual particles are
measured in units called microns and one micron equals
1/25,400 of an inch (1/64,516 of a cm).
Smoke generated by commercial cooking equipment
has a particulate size of 0.15 microns and it is these very
small particles that smoke abatement equipment must
remove from the airstream. The amount of smoke being
discharged from a kitchen exhaust duct is measured in
terms of its density, referred to as opacity - the degree to
which emissions block light. A 100% opacity level would
be solid black and 0% would be perfectly clear. Control
agencies that have adopted smoke pollution ordinances
are requiring an opacity level of no more than 20%, which
is a very light blue smoke.
Typically, heavy smoke producing cooking such as charbroiling, creates an opacity level of 60% to 70%. Opacity readings are taken by the human eye by viewing the
smoke being discharged and then assigning a percentage
of opacity to what is seen. Though this method is quite
subjective, it is the method practiced by control agency
inspectors who are trained and certied in determining
opacity percentages. Other more technical methods of
determining opacity or particulate density are achieved
through the use of opacity meters and cascade impactors. This level of analysis is usually referred to as source
testing. Control agencies occasionally require this type
of analysis and if so, the testing is conducted by state
certied contractors which can be quite costly and timeconsuming. The efciency of an TPF is based on how
well it reduces the opacity level of a given airstream.The
Gaylord ClearAirTM unit will reduce the opacity level below
20%, thereby meeting the requirements of environmental
control agencies.
Basic Facts About Odor
Cooking odors (molecules) generated by the combustion
of animal and vegetable matter result in an extremely
complex mixture of reactive organic gases (ROG’s). A small
percentage of these odors may be absorbed by the grease
particles but the vast majority exist separately in the airstream.
The ROG molecules are much too small to be removed by
any type of lter and therefore, other methods must be used.
There are several methods with which to manage the odor.
One method is to use a media bed. The three most popular
types of media bed are activated charcoal, which absorbs and
retains the odor molecules, the use of an odor-oxidant media
(potassium permanganate) which oxidizes the molecules
to solids and then retains them, and a blend of the two.
Another method involves the use of a liquid delivered with
a nely atomized spray. This spray performs a similar
function to potassium permanganate in that it adsorbs or
chemically neutralizes odors. This process has the benet
of the end user being able to adjust the amount of spray
and thus the effectiveness and cost of the odor control.
The life of the media bed type of odor control is dependent upon several factors such as how much media is
used, type of odor, amount of odor molecules, grease
loading and air temperature. Typically, any of the above
mentioned types of media can remove 85% - 90% of the
molecules. Determining the efciency of odor control can
be very subjective, as testing is usually conducted by the
human nose. More scientic testing is available through
ROG analysis, but this involves considerable costs.
Grease Removal - The Important First Step
Grease particles are also measured in terms of microns
and grease generated by commercial cooking equipment
has a particulate size of 0.1 microns and up. Pollution control equipment is not limited to removing smoke particles,
but will also remove a majority of the grease particles
remaining in the airstream. Therefore, the grease extraction efciency of the exhaust hood plays an important
role in the operation and performance of pollution control
equipment.
Removal of grease particles before they reach smoke
and odor control equipment will signicantly increase
the smoke abatement efciency and the life of the odor
abatement media.
5
SPECIFICATIONS
General
Furnish one (1) Gaylord ClearAir Pollution Control Unit
model RSPC-TPF series as manufactured by Gaylord
Industries of Tualatin, Oregon in accordance with the following:
The pollution control unit (PCU) shall consist of a smoke
control section, odor control section (optional) and an
exhaust fan section (optional) all built on a common base
as an integral unit. Smoke control shall be accomplished
by a three stage high efciency lter section (TPF). The
unit shall be ETL listed and labeled.
Smoke Control Section
The smoke control section shall have three phases of
lters The lters shall consist of replaceable 30% prelter, 95% bag lter and a replaceable .95 DOP nal lter.
Replaceable lters shall be mounted in lter slide tracks to
prevent air bypass around the ends of the installed lter
bank. Filters shall be accessed through removable side
access panels with lift and turn latches.
Phase one lters shall have an average efciency of 25
to 30% and an average arrestance of 90 to 92% in accordance with ASHRAE test standard 52.1-1992. Media
support grid shall be on 1" centers with an open area 96%.
Filter enclosing frame shall be a rigid, high wet strength
beverage board, with diagonal support members 4" deep.
Phase two lters shall have an average efciency of
90 to 95% in accordance with ASHRAE test standard
52.1-1992. Sealing surface and pocket retainers shall be
congured to provide 84% open area. Seams in bag lters
shall be sealed with foamseal adhesive to completely
eliminate air leakage through stitch holes.
Phase three lters shall be 95% efcient on .03 micron
particles (DOP smoke test), 97% efcient on nebulized
staphylococcus aerosols, 99+% efcient on atmospheric
test dust (ASHRAE standard 52.1-92). The casing shall
be 16 gauge steel with corrugated aluminum separators
to insure media stability. Media shall be ne-ber, high
strength microberglass paper. Media end cuts shall be
encapsulated in urethane potting adhesive.
Fire Detection
A thermostat, set at 250o F, shall also be located in the lter
section to shut down the exhaust fan in the event of a re.
Optional Fire Damper Required in Canada
The unit shall include a UL listed re damper, with a 280o
F fusible link, located downstream of the lters to prevent
passage of re to the duct downstream of the unit
Control Panel
A Gaylord Kitchen Exhaust System Command Center
control panel, Model FM-1000-A, designed for remote
location, shall be supplied for the operation of the exhaust
fan and monitoring of the PCU. The control panel shall be
constructed of 18 gauge stainless steel, number 4 nish,
and shall be suitable for surface or recessed mounting.
The panel face shall be a hinged door and with a lift and
turn ush latch.
The control panel shall include a Programmable Logic
Controller (PLC) and a LED display panel to operate
and monitor all conditions of the PCU. The panel shall
display text showing each PCU condition as it occurs.
The control panel shall include push buttons for Starting and Stopping the exhaust fan, and control, monitor
and notify of the following conditions; Fan On, Fan Off,
Autostart (start the exhaust fan if the hood is provided
with an Autostart system), Pre-Filter(s) dirty, Bag Filter(s)
dirty, Final Filter(s) dirty, Missing Filter(s), Fire in the PCU,
External Fire (chemical system in the hood or PCU discharged), and a Remote Start of the PCU. If the PCU is
equipped with a Spray Odor Control system the Control
Panel shall include a Low Spray Odor Chemical light.
An audible alarm, with an alarm cancel button, shall be
included and shall activate whenever the system detects
a dirty Pre-Filter, Bag Filter, Final Filter, Missing Filter, Fire
in the PCU or External Fire condition.
The Control Panel shall include terminals to allow interfacing with the make-up air system, a building management
system (remote start and stop or the exhaust fan system),
and a re alarm system.
(optional) Provide Remote Monitoring terminals to al-
low interfacing with the building management system to
monitor all functions of the control panel.
(optional) Provide Hood Light Switch on the face of
the Control Panel.
Odor Control Options
Media bed of 50/50 Blend Potassium Permanganate and
Carbon Blend
The unit shall be provided with odor control utilizing a
media bed of 50% potassium permanganate 50% carbon
blend. There are two design methods of housing the
media used in the ClearAir unit. One is called the Loose
Fill type and the other is called the Media Panel type.
Loose Fill type – The odor control media shall be housed
in steel reusable Media Modules that can be replenished
with Loose Fill media. There shall be a 30% pleated
media After Filter located immediately downstream of the
Media Models. The Modules and After Filters shall be
mounted into slide tracks to prevent air bypass around
the ends. The Modules and After Filters shall be removable through side access doors with lift and turn latches.
Media Panel type – The odor control media shall be
compressed into Media Panels that slide into Media Modules. The Modules shall be mounted into slide tracks to
prevent air bypass around the ends. The Modules and
shall be removable through side access doors with lift
and turn latches.
(optional) The unit shall be equipped with a 30% pleated media After Filter located immediately downstream of
the Media Models.
The unit shall be equipped with a Single Pass Media
Bed
6
SPECIFICATIONS
The unit shall be equipped with a Double Pass Media
Bed
The unit shall be equipped with a Triple Pass Media Bed
Spray Odor Control
The unit shall be provided with a spray odor control system utilizing an odor neutralizer chemical. The odor spray
control cabinet shall be mounted on the side of the unit and
shall contain a liquid spray compressor piped to the spray
nozzle in the fan plenum, adjustable delay timers with fuse
protected circuitry factory wired to the unit electrical panel.
The cabinet shall include one 5 gallon container of Gaylord
Formula GS-710 Odor Neutralizer. The cabinet shall contain a heater to prevent freezing of the odor neutralizer, if
mounted outdoors.
Exhaust Fan Options
Exhaust Fan (Standard Centrifugal Fan)
The unit shall include a centrifugal exhaust fan, Listed
to U.L. 762. The exhaust fan shall be an SWSI upblast
arrangement #9 or #10 with a non-overloading BI or AF
wheel. The motor, drives, bearings and fan mounting base
shall be located out of the exhaust air stream as required
by the IMC (International Mechanical Code) and NFPA-96.
The fan shall be AMCA certied and bear the AMCA seal
for performance. The fan housing shall be constructed of
heavy gauge steel. The fan bearings shall be heavy duty
self-aligning pillow block type rigidly mounted on heavy
structural steel supports. The motor shall be ODP three
phase mounted on a common base with the fan and shall
be pre-wired to the electrical cabinet located on the unit.
The electrical cabinet shall include a disconnect switch, motor starter, overloads and fuses. The factory provided drive
assembly shall be adjustable pitch on 5 HP and smaller,
xed pitch on 7.5 HP and larger. It shall also be sized for
a minimum 1.5 service factor. After nal system balancing,
xed pitch sheaves shall be provided and installed by the
air balancing contractor to provide proper ow at actual
installed conditions.
Exhaust Fan (Optional Tubular Fan)
The unit shall include a tubular centrifugal exhaust fan,
Listed to U.L. 762. The exhaust fan shall be an arrangement
#10 with a non-overloading BI, AF wheel. The motor, drives,
bearings and fan mounting base shall be located out of the
exhaust air stream as required by the IMC (International
Mechanical Code) and NFPA-96. The fan shall be AMCA
certied and bear the AMCA seal for performance. The
fan housing shall be constructed of heavy gauge steel.
The fan bearings shall be heavy duty rigidly mounted on
heavy structural steel supports. The motor shall be ODP
three phase mounted on a common base with the fan
and shall be pre-wired to the electrical cabinet located on
the unit. The electrical cabinet shall include a disconnect
switch, motor starter, overloads and fuses. The factory
provided drive assembly shall be adjustable pitch on 5 HP
and smaller and xed pitch on 7.5 HP and larger. It shall
also be sized for a minimum 1.5 service factor. After nal
system balancing, xed pitch sheaves shall be provided
and installed by the air balancing contractor to provide
proper ow at actual installed conditions.
Exhaust Fan Housing
The exhaust fan section of the unit shall be enclosed with
the same material as the smoke control section. There shall
be a removable panel for access to the fan.
Unit Construction
The unit housing shall be constructed of a minimum of 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.
Fire Extinguishing System Options
Specier Note: NFPA-96 requires a re extinguishing
system for protection of the smoke and odor control sections and protection of the duct down stream of any lters
or dampers. Not all authorities having jurisdiction require
protection. Check with your AHJ. If required, specify one
of the following systems.
Wet chemical system
Provide a complete factory mounted Ansul wet chemical
re extinguishing system, including nozzles piping and
detection runs. Pipe penetrating the unit cabinet shall use
a UL listed tting. System shall be installed in accordance
with the manufacturer's recommendations, the systems
listing and NFPA-96. The Ansul Automan cabinet shall be
mounted on the side of the unit for easy access, certication and service. If mounted outdoors, a heater shall be
provided.
Water spray sprinkler re system
Specier Note: Units that are located indoors may be factory
pre-piped for a wet pipe building sprinkler system.
Provide a pre-piped water spray re system installed in
accordance with 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, if equipped
with 50/50 media bed, and one in the exhaust fan section
for interconnection to the building sprinkler system by the
appropriate trades. Pipe penetrating the unit cabinet shall
use a UL listed tting. Nozzles shall be the bulb type rated
at 325o F.
Check Out and Demonstration
Upon completion of installation, the entire pollution control system, including the kitchen exhaust hoods, shall be
commissioned by factory certied personnel. Start-up shall
include checking all lters, lter monitoring station, odor
control and exhaust fan. The appropriate maintenance
personnel shall be given a technical manual and a complete demonstration of the system, including operation
and maintenance procedures. Upon completion of the
commissioning, a 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 under the direction of the factory certied person(s) performing the start-up.
7
MODEL NUMBER EXPLANATION
(Required in Canada)
After-Filter (Optional) - Required if Loose Fill Type Media is Used)
Section (SO, DO, TO)
(DO shown)
The assigned model number of a ClearAirTM RSPC-TPF unit will indicate the number of Filter Banks and if it has spray
odor control, single or double pass odor control, if it has an exhaust fan plus other data. The following example shows
the make-up of a model number.
The model number of your ClearAirTM unit along with other data can be found on the nameplate which is attached to the
electrical control panel on the ClearAirTM unit. Refer to page 38.
Standard Prex Series of ClearAirTM System (Remote Smoke Pollution Control)
Triple Pass Filter
Filter Conguration (W x H) - 1x1, 2x1, 3x1, 2x2, 3x2, 4x2, 3x3, 4x3, 3x4, 4x4
Odor Control Option:
SO = Single Pass Odor Control
DO = Double Pass Odor Control
TO = Triple Pass Odor Control
SPO = Spray Odor
Total CFM (1000 - 32,000)
Exhaust Fan Option:
EFS = Exhaust Fan, unhoused, spring isolated
EFN = Exhaust Fan, unhoused, not spring isolated
EFHS = Exhaust Fan, housed, spring isolated
EFHN = Exhaust Fan, housed, not spring isolated
(BLANK) = No Exhaust Fan
Fan Type = C (Centrifugal), T (Tubular)
Fan Size (ie. 100 - 490)
Fan Motor H.P. (ie. 1 - 75)
Hand - R = Right Hand
L = Left Hand
RSPC - TPF - 3x2 - DO - CFM - EFN - C - 300 - 15 - R
BLOCK 1 2 3 4 5 6 7 8 9
All Blank, if no exhaust fan
FIGURE 8-1
8
TYPICAL INSTALLATION
OPTIONAL SPRAY ODOR
CONTROL CABINET
OPTIONAL
FIRE EXTINGUISHING
SYSTEM CABINET
WIRES & GROUND FROM
COMMAND CENTER TO
CLEARAIR POLLUTION CONTROL UNIT
WIRES & GROUND FROM
COMMAND CENTER TO
FIRE EXTINGUISHING SYSTEM
120/60/1 PHASE 15AMP SERVICE
FOR COMMAND CENTER
IRES & GROUND FROM FIRE
GAYLORD COMMAND CENTER
SUPPLY FAN STARTER
BY OTHERS
FIGURE 9-1
9
SAMPLE ClearAirTM CONFIGURATIONS
The ClearAir unit is available in sizes ranging in capacity
from 1000 to 32,000 CFM (472 to 15,102 L/s). Each unit is
equipped with Three Phase Filters for smoke control, and
may include an exhaust fan, odor abatement equipment and
fire extinguishing system as an option. The following illustrations are examples of the most common configurations.
OUTLET TO FAN
BFFF
PF
RSPC-TPF
SMOKE CONTROL ONLY
SMOKE CONTROL ONLY
(REMOTE FAN)
(REMOTE FAN)
FIGURE 10-1
KEY
AF = After Filter - optional
Required if Loose Fill Type
Odor Control Media is Used
BF = 95% Bag Filter
DO = Double Pass Odor
EF = Exhaust Fan–un-housed
EFH = Exhaust Fan–housed
PF
BF
SMOKE CONTROLWITH SINGLE PASS ODOR CONTROL
WITH SINGLE PASS MEDIA BED ODOR CONTROL
(REMOTE FAN)
FF
SMOKE CONTROL
SO
RSPC-TPF-SO
(REMOTE FAN)
FD = Optional Curtain Fire Damper Required in Canada
FF = 95% DOP Final Filter
PF = 30% Pre-Filter
SO = Single Pass Odor
SPO = Spray Odor Cabinet
TO = Triple Pass Odor
(not illustrated)
OUTLET TO FAN
AF
FD
FIGURE 10-2
BF
PF
FF
FD
RSPC-TPF
SMOKE CONTROL WITH PLENUM
SMOKE CONTROL WITH PLENUM(REMOTE FAN)
(REMOTE FAN)
FIGURE 10-3
OUTLET TO FAN
OUTLET TO FAN
BF
PF
FF
DO
FD
AF
RSPC-TPF-DO
SMOKE CONTROL
WITH DOUBLE PASS MEDIA BED ODOR CONTROL
WITH DOUBLE PASS ODOR CONTROL(REMOTE FAN)
SMOKE CONTROL
(REMOTE FAN)
FIGURE 10-4
OUTLET TO FAN
BFFF
PF
SMOKE CONTROL
SMOKE CONTROL
WITH SPRAY ODOR CONTROL
WITH SPRAY ODOR CONTROL
(REMOTE FAN)
(REMOTE FAN)
FD
SP
SPO
FIGURE 10-5
10
PF
BF
FF
FAN DISCHARGE
SMOKE CONTROL
WITH SINGLE PASS ODOR CONTROLAND EXHAUST FAN
EF
SO
FD
PF
BF
FF
FD
EF
SMOKE CONTROLWITH EXHAUST FAN
EF
PF
BF
FAN DISCHARGE
FD
FF
EF
SP
DO
AF
FD
FFBF
PF
FAN DISCHARGE
SMOKE CONTROLWITH DOUBLE PASS ODOR CONTROLAND EXHAUST FAN
SMOKE CONTROLWITH SPRAY ODOR CONTROLAND EXHAUST FAN
FAN DISCHARGE
RSPC-TPF-EF
SAMPLE ClearAirTM CONFIGURATIONS
KEY
AF = After Filter - optional
Required if Loose Fill Type
Odor Control Media is Used
BF = 95% Bag Filter
DO = Double Pass Odor
EF = Exhaust Fan–un-housed
EFH = Exhaust Fan–housed
FD = Optional Curtain Fire Damper Required in Canada
FF = 95% DOP Final Filter
PF = 30% Pre-Filter
SO = Single Pass Odor
SPO = Spray Odor Cabinet
TO = Triple Pass Odor
(not illustrated)
RSPC-TPF-SO-EF
RSPC-TPF-DO-EFH
WITH EXHAUST FAN AND OPTIONAL FIRE DAMPER
SMOKE CONTROL
FIGURE 11-1
AF
SMOKE CONTROL
WITH SINGLE PASS MEDIA BED, ODOR CONTROL,
EXHAUST FAN AND OPTIONAL FIRE DAMPER
FIGURE 11-2
WITH DOUBLE PASS ODOR CONTROL
RSPC-TPF-SPO-EF
SMOKE CONTROL
AND EXHAUST FAN
FIGURE 11-3
SPO
SMOKE CONTROL
WITH SPRAY ODOR CONTROL
AND EXHAUST FAN
FIGURE 11-4
11
COMMAND CENTER CONTROL FUNCTIONS
The Kitchen Exhaust System Command Center, Model
FM-1000-A, controls and monitors all functions of the
Gaylord ClearAir pollution control unit (PCU). All functions
are indicated on the LED display on the face of the Command Center. The Command Center is typically located
in the kitchen area, near the ventilator and performs the
following:
• Manually Starting and Stopping the exhaust fan.
• Automatically starts the make-up air system if the
system is interfaced with the Command Center.
• Allows Autostart of exhaust fan if the ventilator includes
optional Autostart feature.
• Notication that the exhaust is on via Autostart, if
ventilator includes this option.
• Visual and audible notication that a Pre-lter(s) is
dirty.
• Visual and audible notication that a Bag Filter(s) is
dirty.
• Visual and audible notication that a Final Filter(s) is
dirty.
• Visual and audible notication that a lter(s) is missing.
• Visual and audible notication that there is a re in the
ClearAir pollution control unit.
• Terminals to interface with a building management
system to allow Remote Starting and Stopping of the
exhaust fan.
• Optional terminals to interface with a building manage
ment system to monitor all functions of the control.
FIGURE 12-1
COMMAND CENTER
MODEL FM-1000-A
12
DAILY OPERATION - STARTING THE EXHAUST FAN
Starting the Exhaust Fan
To start the exhaust fan press the F1 button.
Pressing the F1 button will result in:
1. There is a one minute delay, STAND BY, before the exhaust fan will come on.
2. The display panel will read as shown.
FIGURE 13-1
DISPLAY PANEL
FAN ON
STAND BY CONDITION
13
DAILY OPERATION - STARTING THE EXHAUST FAN
Starting the Exhaust Fan (continued)
At the end of one minute delay the following will occur:
1. The exhaust fan will come on.
2. The make-up air system will come on if interfaced with the control.
3. The display panel will read as shown.
FIGURE 14-1
DISPLAY PANEL
FAN ON CONDITION
14
DAILY OPERATION - STOPPING THE EXHAUST FAN
Stopping the Exhaust Fan
To stop the exhaust fan press the F2 button.
Pressing the F2 button will result in:
1. The exhaust fan will shut off.
2. The make-up air will shut off if the make-up air system is interfaced with the control.
3. The display panel will read as shown.
Note:
If the ventilator(s) is equipped with optional Autostart controls the exhaust fan may continue to run after F2 is pushed.
Refer to Page 16 for details.
FIGURE 15-1
DISPLAY PANEL
FAN OFF CONDITION
15
DAILY OPERATION - AUTOSTART
Countdown Clock
in Minutes
Code Requirements
Some municipalities require the exhaust fan to start automatically whenever cooking operations occur to comply with
International Mechanical Code (IMC) paragraph 507.2.1.1. This can be accomplished by the use of Gaylord Autostart
Model TST.
Description of Autostart Control
There is one or more Autostart Thermostats mounted in the canopy of the ventilator(s). The thermostat is factory set at
approximately 90 degrees F +10. If the temperature of the thermostat reaches the set point, and the exhaust fan is off,
the exhaust fan will automatically start. The display panel will read as shown in Figure 16-1.
FIGURE 16-1
DISPLAY PANEL
FAN ON
STAND BY CONDITION
After the temperature of the thermostat drops below the set point, the Command Center starts a 60 minute shut off
countdown, shown in the upper right hand corner of the display panel (refer to Figure 16-2). At the conclusion of the
countdown the exhaust fan will automatically shut off.
Note: Once a countdown has started, the exhaust fan may be manually shut off by pushing F2.
FIGURE 16-2
DISPLAY PANEL
FAN OFF
COUNTDOWN CONDITION
16
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