4
Energy Recovery Ventilator
Installation
Dimensional Data
D
A
B
C
Electrical Box
2-inch Filters
2-inch Filters
Energy Wheel
Exhaust Air
Weatherhood
E
Outdoor Air
Weatherhood
SA Discharge
RA Intake
SA Discharge
RA Intake
EA Discharge
A
B
C
D
E
F
G
H
OA Intake
OA Intake
Unit Dimensions
Unit Size
A
B
C
D
E
ERV
e
-20
67.0
50.8
46.3
17.8
20.8
ERV
e
-35
69.2
60.8
54.4
21.8
17.8
ERV
e
-45
72.2
67.1
60.2
21.8
19.2
ERV
e
-55
84.1
75.3
71.4
21.8
23.9
All dimensions are in inches. Door handles, hinges and
other protrusions are not included in the dimensions
above. Dimensions are rounded up to the nearest .1 inch.
Duct Dimensions
Unit Size
A
B
C
D
E
F
G
H
ERV
e
-20
11.8 18.0 12.2 10.7 15.8 18.0 10.8 25.8
ERV
e
-35
13.1 20.5 13.7 11.9 21.5 20.5 15.8 27.8
ERV
e
-45
15.8 22.5 16.1 14.0 24.5 22.5 18.8 29.1
ERV
e
-55
18.6 26.0 19.2 16.4 28.0 26.0 23.8 34.8
All dimensions are in inches.
Intake and Discharge Options
Unit Size
Bottom
Top
Side
End
ERV
e
-20
X
ERV
e
-35
X
X
ERV
e
-45
X
X
ERV
e
-55
X
OA - Outdoor Air
SA - Supply Air (to the space)
RA - Return Air (from the space)
EA - Exhaust Air
