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DIMENSIONAL DATA / ACCESS DOOR DESCRIPTIONS
Following is a list of items accessible through the access
doors shown on the diagram at the right. Some items are
optional and may not have been provided.
1) Exhaust blower, motor, and drives
2) Aluminum mesh filters (intake hood)
3) Energy recovery wheel, motor, belt, and seals
Outdoor air filters
Outdoor air intake damper (optional)
Electric preheater (optional)
Frost control sensors (optional)
Economizer sensors (optional)
4) Direct evaporative cooler, drain pan,
and pump (optional)
5a) Outdoor air blower, motor, and drives
(without indirect gas furnace)
5b) Outdoor air blower, motor, and drives
(with indirect gas furnace)
6) Control center
All electrical controls
VFDs for blowers (optional)
VFD for energy recovery wheel (optional)
7) Indirect evaporative cooler, drain pan, and pump
Exhaust air filters
Exhaust air intake damper (optional)
Dimensional data and
access door locations
Model
Exterior Dimensions
A B C D E F G H I
HRE-20 98 50 56 18 28.5 17 6 14.25 18
HRE-45 106 69 66 16 41 23.375 10.5 13.375 20
HRE-55 118 70 76 16 59.5 5.875 7.125 21.25 25
HRE-90 131 85 96 16 78 2.875 10 24.5 27
Model
Overall Exterior Dimensions
Width
(including Lifting Lugs)
Overall Width
(with Exhaust Hood)
Overall Length
(with Outdoor Air Hood)
HRE-20 59.5 75 116
HRE-45 69.5 86 122
HRE-55 79.5 101 134
HRE-90 99.5 123 147
All dimensions shown are in inches.
All dimensions shown are in inches.
A
I
C
B
D
E
F
G
H
1
2
5b
3
5a
4
6
7