MicroMetl
1” - 2” Filter Rack
Model:
FLRK-I213-TD..............
FLRK-I235-TD..............
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 lter 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 lter rack from 1” to 2” lters:
• Remove 2 screws that secure the 1” lter angle to the
Upper Filter Channel and discard angle.
• Remove 2 screws that secure the 1” lter angle to the
Lower Filter Channel and discard angle.
Used with:
2/4 YC*,WC*,TC*,DC** 018-036A
2/4 YC*,WC*,TC*,DC** 042-060A
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 lter bracket into the tab
projecting from the rear/left end of the indoor coil ashing.
c. Install the right side of the upper lter bracket, aligning
the slots of the lter 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 lter channel across the drain pan and
place the channel bracket lip over the drain pan.
4. Install the appropriate lter(s) and ll plate. Close the
Filter Access Door or panel. See Table 1 for appropriate
lter sizes.
NOTE: For unit horizontal applications, Return Air Panel is to
remain attached to the unit base pan return opening. Bottom
lter rack channel will sit on top of Return Air Panel perimeter
ange.
WARNING
! !
HAZARDOUS PRESSURES!
Coils contain refrigerant under pressure. When attaching lter
channel assemblies and lter 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
Filter
Location
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
Rear Slot Insert Over
Tab on Unit Barrier
Lower Filter Channel
Figure 3. Filter Rack Components
Fill Plate
(Used on 018-036 Models Only)
042-060 models shown
AIRFLOW AIRFLOW
Two-Inch
One-Inch
VIEW A
Blank-off Removed
Figure 4. View of Upper Filter Rack Left Side Mounting
Unit Size Filter Size
018-036 Models Use one 18” x 25” lter (one or two inch)
042-060 Models Use two 18” x 20” lters (one or two inch)*
Indoor Coil
Installed
Filter Rack
A
Table 1 - Filter Rack Filter Sizes
*Note: If not using ACDR-I213-TD/ACDR-I235-TD Filter Access
Door, use one 18” x 20” and one 18” x 18” lter. (One or two inch)
Form No. 4455-2P