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Venting Connection Locations - Greenheck ERCH-20 Installation, Operation And Maintenance Manual

Energy recovery ventilator with heating and cooling
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Reference - Venting Connection Locations
COMBUSTION AIR INLET
EXHAUST OUTLET
B
A
Bottom Venting Location
Furnace Size
Housing
(MBH)
Size
100
ERCH-20
150
100
150
ERCH-45
200
250
150
200
ERCH-55
250
300
150
200
250
ERCH-90
300
350
400
Dimensions are in inches. Dimensions B and D are not needed for standard venting.
Furnace Size
Housing
(MBH)
Size
100
ERCH-20
150
100
150
ERCH-45
200
250
150
200
ERCH-55
250
300
150
200
250
ERCH-90
300
350
400
Dimensions are in inches. Dimensions B and D are not needed for standard venting.
®
C
D
Bottom Venting Location
A
B
C
12.42
24.20
20.05
12.42
24.20
20.05
12.63
24.42
20.25
12.63
24.42
20.25
24.94
24.32
33.87
24.94
24.32
33.87
12.43
26.50
20.06
22.47
27.09
31.09
22.47
27.09
31.09
22.47
27.09
31.09
12.35
19.85
36.58
24.93
33.55
34.50
24.93
33.55
34.50
24.93
33.55
34.50
24.93
33.55
34.50
24.93
33.55
34.50
Top Venting Location
A
B
C
34.46
24.20
20.05
34.46
24.20
20.05
39.79
47.41
20.25
39.79
47.41
20.25
52.1
61.04
33.87
52.1
61.04
33.87
43.60
51.22
20.06
53.64
62.26
31.09
53.64
62.26
31.09
53.64
62.26
31.09
52.36
59.86
36.58
64.89
73.52
34.50
64.89
73.52
34.50
64.89
73.52
34.50
64.89
73.52
34.50
64.89
73.52
34.50
COMBUSTION AIR INLET
EXHAUST OUTLET
B
A
Top Venting Location
Flue Connection Size (diameter in inches)
D
Standard
Non-Concentric
Exhaust
Exhaust
23.21
4.0
4.0
23.21
4.0
4.0
23.52
4.0
4.0
23.52
4.0
4.0
21.21
6.0
6.0
21.21
6.0
6.0
26.51
4.0
4.0
24.38
4.0
4.0
24.38
6.0
6.0
24.38
6.0
6.0
37.73
4.0
4.0
37.15
6.0
6.0
37.15
6.0
6.0
37.15
6.0
6.0
37.15
6.0
6.0
37.15
6.0
6.0
Flue Connection Size (diameter in inches)
D
Standard
Non-Concentric
Exhaust
Exhaust
23.21
4.0
4.0
23.21
4.0
4.0
23.52
4.0
4.0
23.52
4.0
4.0
21.21
6.0
6.0
21.21
6.0
6.0
26.51
4.0
4.0
24.38
4.0
4.0
24.38
6.0
6.0
24.38
6.0
6.0
37.73
4.0
4.0
37.15
6.0
6.0
37.15
6.0
6.0
37.15
6.0
6.0
37.15
6.0
6.0
37.15
6.0
6.0
Energy Recovery Ventilator with Heating and Cooling
General Description - NOT model specific
C
D
Concentric
Intake
Exhaust
Intake
4.0
4.0
6.0
4.0
4.0
6.0
4.0
4.0
6.0
4.0
4.0
6.0
6.0
6.0
8.0
6.0
6.0
8.0
4.0
4.0
6.0
4.0
4.0
6.0
6.0
6.0
8.0
6.0
6.0
8.0
4.0
4.0
6.0
6.0
6.0
8.0
6.0
6.0
8.0
6.0
6.0
8.0
6.0
6.0
8.0
6.0
6.0
8.0
Concentric
Intake
Exhaust
Intake
4.0
4.0
6.0
4.0
4.0
6.0
4.0
4.0
6.0
4.0
4.0
6.0
6.0
6.0
8.0
6.0
6.0
8.0
4.0
4.0
6.0
4.0
4.0
6.0
6.0
6.0
8.0
6.0
6.0
8.0
4.0
4.0
6.0
6.0
6.0
8.0
6.0
6.0
8.0
6.0
6.0
8.0
6.0
6.0
8.0
6.0
6.0
8.0
55
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