Greenheck ERCH - Energy Recovery Unit with Packaged DX (468151) User Manual
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Energy Recovery Unit with Packaged DX
DIMENSIONAL DATA / ACCESS DOOR DESCRIPTIONS AND LOCATIONS
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 . Coil access / Drain pan
5a . Outdoor air blower, motor, and drives
(with indirect gas furnace)
Drain Pan
5b . Outdoor air blower, motor, and drives
(without indirect gas furnace)
Coil access / Drain pan (w/o Electric Heat)
6 . Control center
All electrical controls
VFD for energy recovery wheel (optional)
7 . Exhaust air filters
Exhaust air intake damper (optional)
8 . Electric post-heater control center (optional)
9 . Bypass damper (optional)
10 . Condensing fan motors
11 . Compressor(s) - refer to Refrigeration System
section for components in compressor
compartment
Model ERCH with Packaged DX
Model
Exterior Dimensions
A
B
C
D
E
F
G
H
I
J
ERCH-20
108
50
56
27
28 .5
17
6
14 .25
18
18
ERCH-45
119
69
66
38
41
23 .375
10 .5
13 .375
20
16
ERCH-55
133 .5
70
76
39
59 .5
5 .875
7 .125
21 .25
25
16
ERCH-90
151 .5
85
96
46
78
2 .875
10
24 .5
27
16
Model
Overall Exterior Dimensions
Width
(including Lifting Lugs)
Overall Width
(with Exhaust Hood)
Overall Length
(with Outdoor Air Hood)
ERCH-20
59 .5
75
116
ERCH-45
69 .5
86
122
ERCH-55
79 .5
101
134
ERCH-90
99 .5
123
147
All dimensions shown are in inches .
All dimensions shown are in inches .
A
J
E
B
H
C
I
G
F
D
Following is a list of items accessible through the access doors shown on the diagrams . Some items are
optional and may not have been provided .
7
1
2
3
4
5a
5b
6
8
9
10
11