0 maintenance/ service procedures, 1 filters, 3 mapsiii d cabinet sizes – Reznor MAPS III, Cabinet D RECB Users Manual User Manual
Page 5: Figure 2 - removing filters from outside air hood, Permanent filters in the outside air hood

Form O-MAPSIII Cabinet D, P/N 222918R9, Page 5
3.0 Maintenance/
Service
Procedures
3.1 Filters
The filter section is equipped with 4 inches of pleated disposable or permanent alumi-
num filters. To remove filters, open the door and slide filters out.
If equipped with permanent aluminum filters, there are sixteen 2"x20"x24" filters.
Remove the filters, wash, rinse, allow to dry, and slide them back in the cabinet. The
P/N for replacement or extra filter is
223065; quantity is 16.
If equipped with pleated disposable filters, there are eight 4"x20"x24" filters, either
MERV8 or MERV13.. Replace dirty filters. Exposure to humid makeup air can accel-
erate filter degradation. Systems with disposable filters require more frequent filter
inspection. The P/N for one replacement or extra MERV8 filter is
222480; quantity
required is 8. The P/N for one replacement or extra MERV13 filter is
260828; quantity
required is 8.
Dirty Filter Switch - If equipped with a dirty filter switch, check the condition of the
sensing tubes to be sure that they are not blocked. Check the wiring connections. To
set a new switch, see Installation Form I-MAPSIII&IV, Paragraph 8.1, Replacement
switch is
P/N 105507.
FIGURE 2 - Removing Filters
from Outside Air Hood
(2) P/N 104102,
16x16x1
(2) P/N 104102,
16x16x1
(2) P/N 104102,
16x16x1
(2) P/N 104102,
16x16x1
(2) P/N 104102,
16x16x1
(2) P/N 104102,
16x16x1
(2) P/N 101609,
16x25x1
(2) P/N 101609,
16x25x1
(2) P/N 101609,
16x25x1
1) Loosen wing nuts and
slide clamp.
2) Remove filters.
3) Repeat for all filters.
4) Wash and dry filters.
5) Re-install filters in hood.
Be sure wing nuts are tight
and filters secure.
Filters in Hood - Cabinet D
2.3 MAPSIII D
Cabinet Sizes
Permanent Filters in
the Outside Air Hood
If equipped with an outside air hood, there are 1" permanent, aluminum filters at the
entrance of the hood. The filters act as a moisture eliminator and bird screen.
When inspecting the inlet air filters, inspect the outside air hood filters. If cleaning is
needed, remove the filters, clean, rinse, dry and re-install.
NOTE: If it is more conve-
nient to keep an extra clean set of filters, filter sizes and part numbers are shown in
the illustration.
Model
RCB
Cabinet
Size
360
D
480
600
720
Model
RDB
Cabinet
Size
418
D
444
484
538
564
602
658
684
722
804
842
Model
RDCB
Gas Heat Section Size
Electric Heat Section
-500 -600 -700 -800 -1000 -1200 -1400 -1600 RECB120 RECB180
360
D
D
D
D
D
D
D
D
D
D
480
D
D
D
D
D
D
D
D
D
D
600
D
D
D
D
D
D
D
D
D
D
720
D
D
D
D
D
D
D
D
D
D
Model
RDDB
Gas Heat Section Size
Electric Heat Section
-500 -600 -700 -800 -1000 -1200 -1400 -1600 REDB120 REDB180
418
D
D
D
D
D
D
D
D
D
D
444
D
D
D
D
D
D
D
D
D
D
484
D
D
D
D
D
D
D
D
D
D
538
D
D
D
D
D
D
D
D
D
D
564
D
D
D
D
D
D
D
D
D
D
602
D
D
D
D
D
D
D
D
D
D
658
D
D
D
D
D
D
D
D
D
D
684
D
D
D
D
D
D
D
D
D
D
722
D
D
D
D
D
D
D
D
D
D
804
D
D
D
D
D
D
D
D
D
D
842
D
D
D
D
D
D
D
D
D
D