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255427-YTG-F-1006
8 Unitary Products Group
ACCESSORIES
Refer to Price Manual for specific model numbers.
Electric Heaters - Models shown under Electrical Data
include sequencers and temperature limit switches and fus-
ible links for safe, efficient operation. Circuit breakers are pro-
vided where shown.
Suspension Kit - Suspension Kit Model 1BH0601 is
designed specifically for upflow application of the units con-
tained in this technical guide. For suspension of these units in
horizontal applications, it is recommended to use angle sup-
port brackets with threaded rods at locations shown in air
handler installation instructions.
Filter Rack - One of the following external filter rack accesso-
ries: 1FR07* or 1FR08* must be used when unit is installed
for application outlined.
Combustible Floor Base - If an electric heat accessory
which is rated for greater than zero clearance to combustible
surfaces is installed in these air handlers in the downflow
operating positions on a combustible floor, one of the follow-
ing combustible floor base accessories is required: 1FB1817,
1FB1821, or 1FB1824.
FILTER RACK ACCESSORY
1/2”
22”
C
19-7/8”
B
D
1-1/2”
3-1/2”
A
22”
21”
1/2”
(All four sides)
2” Max
Thick
Filter
3/4”
1/2”
3-1/2”
1/2”
7/8”
NOTE: May be used with up to a 2” filter.
Required for downflow application.
May also be used in upflow application.
All dimensions are inches. They are subject to change
without notice. Certified dimensions will be provided upon
request.
1”
A
16-1/2”
20”
23-1/2”
ACCESSORY FOOTPRINT
Filter Rack Model
Used With
Rack Dimensions Inches Filter Dimensions Inches
Multi-PositionHorizontal Only ABCDWidthLengthThickness
1FR0817 1FR0717 MV12B 17-1/2 16-3/8 15-1/2 21 17-1/2 22 1
1FR0821 1FR0721 MV16C 21 19-7/8 19 21 21 22 1
1FR0824 1FR0724 MV12D, MV20D 24-1/2 23-3/8 22-1/2 21 24-1/2 22 1