Greenheck Fan ERV-522 Service Clearances, Panels, Exhaust, Intake Hood, Access Panel

Service Clearances

ERV-251, 361, 521 and 581 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-251, ERV-361, ERV-521, ERV-581

ERV-522, ERV-582

Access	T	Exhaust	Outdoor
		Side	Air Side
Panels

*ERV-251, 361, and 521 only.

Arrangement A

R

Cassette slides out*

Access Panels

	X	Cassette
Access Panel		Access Panel
		X
X
Access		Panel

Access	T			Panels
Panel			R
	Exhaust	Outdoor		Access
	Side	Air Side	Cassette slides out*
	Exhaust
	Hood

Intake Hood

S

Access Panel

*ERV-251, 361, and 521 only.

Arrangement B, C or D

Recommended Service Clearances

Unit Size	R	S	T	X
ERV-251	32	30	30
ERV-361	44	30	30
	(30 for maintenance)
ERV-521	60	40	40
	(39 for maintenance)
ERV-581	65	40	40
	(32 for maintenance)
ERV-522				38
ERV-582				42

All dimensions are in inches.

Panel	Access
Cassette	X

Arrangement A

	X	Cassette
Access Panel		Access Panel
		X
X		Panel
		Access
Access Panel		Access Panel
		Exhaust
		Weatherhood
Cassette	Supply	X
	Weatherhood

Arrangement B, C or D

Model ERV Energy Recovery Unit 7