Greenheck Fan 455924 ERV-522 - Manual (Page 10)

10 Energy Recovery Ventilator
Access Panel Description and Location
ERV-251, ERV-361, ERV-521, ERV-581 ERV-522
Outdoor Air
Inlet
Exhaust Air
Discharge
Exhaust Air
Inlet
Outdoor Air
Discharge
Arrangement A
1
2
3
4
Exhaust
Hood
Intake
Hood
Arrangement B, C or D
1
2
3
4
Rooftop
Exhaust Hood
Intake Hood
Arrangement B, C or D
1
2
3
3
4
5
6
Interior
Exhaust Air
Inlet
Outdoor Air Inlet
Exhaust Air Discharge
Outdoor Air
Discharge
Arrangement A
1
2
3
4
5
6
3
1
Outdoor air blower and motor
Energy wheel cassette
2
Energy wheel cassette
Internal filters
Outdoor air intake damper
Frost control
Outdoor air sensors
3
Main disconnect
Electrical control center
Internal filters
4 Exhaust air blower and motor
1 Exhaust blower and motor
2
Electric control center
Main Disconnect
3
Energy wheel cassette
Internal filters
Frost control
Outdoor air sensors
4
Preheater controls
Outdoor air intake damper
5 Supply blower and motor
6 Exhaust air intake damper