Unit Accessories
Outdoor Air Weatherhood
Outdoor air weatherhood will be factory mounted.
Exhaust Weatherhood
The exhaust weatherhood is shipped separately as a kit with its own instructions.
Dampers
Backdraft dampers are always included as an integral part of the exhaust hood assemblies.
Motorized outdoor air and exhaust air dampers are optional. Outdoor air dampers are factory mounted and wired at the intake. Exhaust air dampers, depending on the unit configuration, may require final installation. If your unit is configured as return air intake on
the end of the unit, the exhaust air damper is factory installed and wired. If your unit is configured with the return air intake location on the bottom, final installation is required per the instructions provided.
10Model ERVe Energy Recovery Unit
Exhaust Air Damper Installation Instructions (bottom return air intake configuration only)
1.Open the exhaust air filter and wheel access door.
2.Remove exhaust air filters and possibly the energy wheel for more working area inside the unit.
3.Remove the two screws holding the damper in place as shown (save screws for step 7).
Shipping Location
4.Bend the brackets holding the damper out and away from the damper as shown in the Part Removal drawing. Use caution while executing this step, as the damper is heavy. Guide it into place gently and avoid dropping it, as damage may occur.
Step 4
Step 5
Step 4 
Part Removal
5.Once the damper is positioned as shown in the Part Removal drawing, remove the four (4) screws holding the shipping brackets in place.
6.Remove the shipping brackets and discard.
7.Insert screws removed in step 3 through the damper flange in the same location they were removed from.
Final Installation
