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23.567
14.500
EFR01
EXTERNAL FILTER RACK
Used On Models
GUI_
"A"
"B"
21 1/8
6 21/32
"C"
PRODUCT IDENTIFICATION
ACCESSORIES
EXTERNAL FILTER RACK
FRONT
OF UNIT
INTERNAL
FILTER
RETAINERS
(80% MODELS
ONLY)
BASE
OF UNIT
COUNTERFLOW SUBBASE
"D"
28 1/4
6 15/32
SLOTS IN FILTER
CLEAR SCREWS
INTERNAL FILTER
RETAINER SCREWS
(80% MODELS ONLY)
UNIT SIDE
PANEL
RETURN AIR
CUTOUT AREA
SUBBASE DIMENSIONS
Dim. "A"
Dim. "B"
Furnace
Subbase
Model
Width
Chamber
GCI_070
17
GCI_090
21
GCI_115
25
GCI_140
All dimensions given in inches.
Subbase adjustable to fit all 3 cabinet sizes.
Detailed installation instructions ship with the subbase.
ON UNIT
BLOWER DECK
SCREWS
FILTER RACK ASSEMBLY
(FACE FILTER OPENING
TOWARDS FRONT
OF UNIT)
LOWER EDGE
SCREW
ASB01
Dim. "C"
Dim. "D"
Plenum
Floor
Floor
Opening
Opening
15
16-1/8
21-1/4
19
20-1/8
21-1/4
23
24-1/8
21-1/4
13
Rev. 2
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