GAYLORD ClearAir RSPC-ESP SERIES, Техническое руководство

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34
The odor control media utilizes a blend of 50% potassium
permanganate and 50% activated carbon. The media is
housed in Odor Control Modules as shown in Figure 34-
1. As the air is drawn through the Modules the potassium
permanganate oxidizes the lighter odor molecules and
chemically changes them into harmless solids which re-
main in the media, and the carbon absorbs the heavier
odor molecules. The Odor Control Modules are mounted
into slide tracks for easy removal and replacement and to
prevent air bypass around the ends.
The life of the odor control media is dependent upon sev-
eral factors such as the type of odor, amount of odor mol-
ecules, grease loading and the exhaust air temperature.
The media has a flat efficiency curve, meaning that the
efficiency, or effectiveness, stays constant until the media
has expended and then the efficiency drops off rapidly.
The carbon portion of the media’s efficiency drops con-
tinually during its life. Thus a regular schedule of change
out of odor control media needs to be established and fol-
lowed.
There are two types of Odor Control Media Modules used
in the ClearAir unit. One is called the Media Panel Type
and the other is called the Loose Fill type.
With the Media Panel type the odor control media is com-
pressed into 18” x 24” x 1.25” Media Panels which slide
into a Module (see Figure 35-1). The Module(s) then slide
into the Racks in the PCU (refer to Figure 34-1). As an
option the unit may be equipped with a 30% pleated media
After Filter located immediately downstream of the Media
Models.
With the Loose Fill type the odor control media is housed
in steel reusable Media Modules that can be replenished
with Loose Fill media (refer to Figure 36-1). With Loose
Fill media a 30% pleated media After Filter located imme-
diately downstream of the Media Models is required.
Service and Maintenance
Generally the life of the Odor Control Media is the number
of days shown in Table T-34-1. However every cooking
condition varies and therefore it is important to establish
the frequency of inspection and replacement of the media.
If the unit has Double or Triple Pass Odor Control the life
expectancy between the first, second and third pass will
vary. To assist in determining if the media has expended
an Odor Control Media Monitoring Tube is provided (see
Figure 34-2). This tube is mounted in the odor control ple-
num of the PCU so that it is exposed to the odor molecules
in the exhaust air, the same as the Media Modules. The
tube is identified by the label shown in Figure 34-3. The
label includes an area where the date of the last inspection
and Media Panel installation can be filled in with a grease
pencil.
To inspect the Media Monitoring Tube, using an open end
wrench, turn the tube nut counter clockwise and remove
the Monitoring Tube assembly. The Media starts off a
dark purple so if the media in the Monitoring Tube is Dark
Purple it is still good. If the Media is dark brown, break a
granule open and if the inside is light tan there is very little
life left and the Media should be replaced. If the outside of
the granules are light tan the Media is completely expend-
ed and the Media must be replaced. If you are unable to
determine the status of the Media send a small sample,
one teaspoon, to Green Ladder Technologies if the unit
uses the Media Panel type or Cameron Great Lakes if the
unit has the Loose Fill type. Note the date of installation
on the sample. They will conduct a life test and advise the
results by e-mail, fax or phone. Refer to pages 35 and 36
for contact information.
Once the media in the Monitoring Tube has expended,
and you wish to continue checking with the Media Monitor-
ing Tube it must be replaced with a new one. To order new
Media Monitor Tube contact Gaylord Industries.
ODOR CONTROL SECTION – MEDIA BED TYPE
DS 1ESP MS SO AF
ODOR CONTROL
MEDIA MONITORING
TUBE
LAST REFILL
LAST INSPECTION
FORM NO. OCMM 797
DATE INITIAL
DATE INITIAL
(USE GREASE PENCIL)
Light Duty 120
Ovens, steamers and kettles
Medium Duty
90
Braising pans, tilting skillets, fryers,
griddles, grooved griddles, open burner
ranges, hot top ranges, and conveyor
ovens
Heavy Duty
60
Gas and electric char broilers, upright
broilers, woks and conveyor broilers
Extra Heavy Duty 30
Solid fuel broilers
Table T-27-2
Frequency In
Days
Type of Cooking Equipment
Odor Control Media Bed Inspection
Frequency Chart
FIGURE 34-3
TABLE T-34-1
FIGURE 34-2
ODOR CONTROL MEDIA
MONITORING TUBE
General Description
ClearAir units that include media bed odor control have a
suffix in the model number of “SO” for single pass, “DO”
suffix for double pass and “TO” for triple pass odor con-
trol. Refer to the Nameplate on the unit. (see page 50 for
a sample Nameplate).
FIGURE 34-1