Manual 2100-392
Page 20
HI-BOY MODELS – FILTER LOCATIONS,
& REMOVAL AND REPLACEMENT
PROCEDURES
16 x 25 x 1 external filter racks are supplied as standard
equipment for all FH models (20 x 25 x 1 is standard
for FH110D60D model). A 14 x 23 opening is to be cut
into either the left or right side of the furnace depending
upon installation requirements. See Figure 12 for
typical installation of a 16 x 25 x 1 filter rack centered
over the 14 x 23 cutout.
FILTERS
All models are shipped with filters. See Table 14 for
sizes. See following information. Hi-Boy models are
supplied with an external filter rack which can be
installed on either left or right side. The counterflow
models require a bracket installation and final filter
location projects into return air plenum attachment for
furnace. See Figure 14. Refer to Figure 14 for Lo-Boy
models which have filters internally mounted in blower
compartment at rear of furnace.
FIGURE 12
TYPICAL INSTALLATION OF A 16x25x1
FILTER RACK
MIS-1342
MIS-1343
TABLE 14
FILTER SIZES FOR OIL FURNACES
ledoMeziS
D63D580HF
yoB-iH
)1(1x52x61W
D84D011HF
yoB-iH
)1(1x52x61W
D06D011HF
yoB-iH
)1(1x52x02W
D63D580FLF
D63D580RLF
syoB-oL
)1(1x02x61W
D84D011FLF
D84D011RLF
syoB-oL
)1(1x02x02W
D06D041RLF
yoB-oL
)1(1x52x02W
D63D580CF
wolfretnuoC
)1(
)1(
1x02x01
1x02x51
W
W
FIGURE 13
TYPICAL INSTALLATION OF A 20x25x1
FILTER RACK