Greenheck ERV (476412) - Manual (Page 7)

7 Energy Recovery Ventilator
Cassette slides out*
Access Panels
Access Panels
Exhaust
Side
Outdoor
Air Side
Access Panel
Service Clearances
ERV-10, 20, 45 and 55 units require minimum clearances to perform routine maintenance, such as filter
replacement, energy wheel cassette inspection, and fan belt adjustment. Blower and motor assemblies,
energy recovery wheel cassette and filter sections are always provided with a service door or panel for proper
component access. Clearances for component removal may be greater than the service clearances, refer to
drawings below for these dimensions.
ERV-10, ERV-20, ERV-45, ERV-55 ERV-90, ERV-120
Recommended Service Clearances
Unit Size R S T X
ERV-10 32 30 42
ERV-20
44
(30 for maintenance)
30 42
ERV-45
60
(39 for maintenance)
40 42
ERV-55
65
(32 for maintenance)
40 42
ERV-90 42
ERV-120 42
All dimensions are in inches.
Arrangement A
T
R
Arrangement A
Cassette
Cassette
Access Panel
Access Panel
Access Panel
Access Panel
X
X
X
X
Cassette
Cassette Supply
Weatherhood
Exhaust
Weatherhood
Access Panel
Access Panel
Access Panel
Access Panel
Access Panel
Arrangement B, C or D
X
*ERV-10, 20, and 45 only.
X
X
X
S