MicroMetl
Model:
1” - 2” Filter Rack
Used with:
FLRK-I213-TD..............2/4 YC*,WC*,TC*,DC** 018-036A
FLRK-I235-TD..............2/4 YC*,WC*,TC*,DC** 042-060A
! WARNING: HAZARDOUS VOLTAGE - DISCONNECT POWER BEFORE SERVICING
ALL phases of this installation must comply with NATIONAL, STATE, AND LOCAL CODES
IMPORTANT - This document is customer property and is to remain with this unit. Please return to service information pack upon
completion of work.
NOTE: This filter rack is required when installing an
economizer or any outside air damper and recommends the
use of the ACDR-I213-TD/ACDR-I235-TD Filter Access Door.
NOTE: To change filter rack from 1” to 2” filters:
• Remove 2 screws that secure the 1” filter angle to the
Upper Filter Channel and discard angle.
• Remove 2 screws that secure the 1” filter angle to the
Lower Filter Channel and discard angle.
Right Blank-Off
Plate Screw
Filter Rack Installation
1. Open or remove the Filter Access Door. See Figure 1.
2. UPPER FILTER CHANNEL:
a. Remove the screw from the top of the right coil blank-
off plate just inside the Coil Access opening, see Figure 1.
b. Hook the left side of the upper filter bracket into the tab projecting from the rear/left end of the indoor coil flashing.
c. Install the right side of the upper filter bracket, aligning
the slots of the filter frame to the right coil tube sheet
engagement holes (where the screw was removed in Step
a.). See Figure 3.
Figure 1. Filter Access Door
3. LOWER FILTER CHANNEL:
Slide the lower filter channel across the drain pan and
place the channel bracket lip over the drain pan.
Filter
Location
4. Install the appropriate filter(s) and fill plate. Close the
Filter Access Door or panel. See Table 1 for appropriate
filter sizes.
NOTE: For unit horizontal applications, Return Air Panel is to
remain attached to the unit base pan return opening. Bottom
filter rack channel will sit on top of Return Air Panel perimeter
flange.
!
WARNING
HAZARDOUS PRESSURES!
Coils contain refrigerant under pressure. When attaching filter
channel assemblies and filter retainer angle to coil blank-off
plate use ONLY the holes from which you removed the screws.
Failure to follow these safety precautions could result in coil
bursting, which could result in death or serious injury.
Form No. 4455-2P
A Fill Plate is Furnished in
the FLRK-I213-TD Kit.
Figure 2. Right Side Fill Plate
!
CAUTION
SHAPE EDGE HAZARD!
Be careful of sharp edges on equipment or any cuts made on
sheetmetal while installing or servicing. Personal injury may
result.
Upper Filter Channel
Fill Plate
(Used on 018-036 Models Only)
Rear Slot Insert Over
Tab on Unit Barrier
Lower Filter Channel
Figure 3. Filter Rack Components
042-060 models shown
AIRFLOW
Indoor Coil
AIRFLOW
Two-Inch
One-Inch
Installed
Filter Rack
VIEW A
Blank-off Removed
A
Figure 4. View of Upper Filter Rack Left Side Mounting
Table 1 - Filter Rack Filter Sizes
Unit Size
Filter Size
018-036 Models
Use one 18” x 25” filter (one or two inch)
042-060 Models
Use two 18” x 20” filters (one or two inch)*
*Note: If not using ACDR-I213-TD/ACDR-I235-TD Filter Access
Door, use one 18” x 20” and one 18” x 18” filter. (One or two inch)
Form No. 4455-2P
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