50
DISCONNECT MAIN ELECTRICAL
POWER TO THE UNIT BEFORE
ATTEMPTING ANY MAINTE-
NANCE. FAILURE TO DO SO CAN
CAUSE ELECTRICAL SHOCK
RESULTING IN PERSONAL
INJURY OR DEATH.
FILTERS
NOTE:
RGRJ and RGTJ models do
not come from the factory with filters
installed. Filters must be field
installed.
Keep the filters clean at all times.
Vacuum dirt from filter, wash with
detergent and water, air dry
thoroughly and reinstall.
NOTE: Some filters must be resized
to fit certain units and applications.
See Table 9 and Figures 57, 58, 59,
60 and 61.
1. 21
(
- 90,000 & 105,000 BTUH
units require removal of a
3
1
/
2
-in. segment of filter and
frame to get the proper width
for a side filter.
2. 24
1
/
2
(
- 120,000 BTUH unit
requires removal of a 7" segment
of filter and frame to get the
proper width for a side filter.
!
WARNING
TABLE 9
FILTER SIZES
UPFLOW FILTER SIZES
FURNACE
INPUT
BOTTOM
SIDE
QUANTITY
WIDTH
MBTUH
SIZE
SIZE
17
1
/
2
"
45, 60, 75
15
3
/
4
" X 25"
15
3
/
4
" X 25"
1
21"
90 AND 105
19
1
/
4
" X 25"
15
3
/
4
" X 25"
1
24
1
/
2
"
120
22
3
/
4
" X 25"
15
3
/
4
" X 25"
1
DOWNFLOW FILTER SIZES
FURNACE
INPUT
SIZE
QUANTITY
WIDTH
MBTUH
17
1
/
2
"
45, 60, 75
12" X 20"
2
21"
90, 105
12" X 20"
2
24
1
/
2
"
120
14" X 20"
2
FIGURE 57
RESIZING FILTERS
AND FRAME
MAINTENANCE
FIGURE 58
BOTTOM PANEL REMOVAL
JACKET ASSEMBLY
SOLID BOTTOM
NOTE:
BACK FLANGE OF SOLID BOTTOM FITS
UNDERNEATH JACKET. SIDES AND FRONT
FLANGES FIT OVER FLANGES ON JACKET.
SCREW
(2) REQ’D.
JACKET ASSEMBLY
FILTER
FILTER
ROD
SOLID BOTTOM REMOVAL
FILTER & ROD LOCATION
REMOVE SEGMENT TO SIZE
AS REQUIRED
Summary of Contents for RGRA SERIES
Page 62: ...62...
Page 63: ...63...
Page 64: ...64 Rheem Manufacturing Company Air Conditioning Division Fort Smith Arkansas CM 1197...
