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Model ERV Energy Recovery Unit
Accessing the Energy Recovery Wheel in
Models ERV-522 and 582
Disconnect power to the ERV. Remove access
panel(s) labeled “Energy Wheel Cassette Access”,
which reveals the energy wheel cassette. There are
additional panels that must be removed in order
to slide out the cassettes. (See pictures providing
additional visual information).
Unplug the wheel drive motor and pull the cassette
halfway out as shown.
NOTE: ERV-522 has two energy wheels with access
panels for both wheels. Wheels slide out on opposite
corners.
Energy recovery wheels for ERV-582 are hard-wired
and not designed to slide out.
This panel must
be removed before
the energy wheel
can slide out.
(ERV-522 only)
Removing the Energy Recovery Wheel in
ERV-251
First, remove the drive belts and the collars in both
bearings. On the pulley side of the cassette, remove
the four (4) fasteners that hold the bearing support
channel in place. Once the bearing support is
removed the wheel can be pulled from the cassette.
To replace the wheel, reverse this procedure.
Removing the Energy Recovery Wheel Segments
ERV-361, 521, 581, 522 and 582
(stainless steel rim)
Steel retainers are located on the inside of the wheel
rim. Push the retainer towards the center of the
wheel, then lift up and away to release segments.
Wheel segment removed
Bracket Segment
Retainer
Lift away from
segment
Catch Segment
Retainer
Push toward center
Center of Wheel
Spoke
Inside of wheel rim
Important! Place retainers back in the original
position before rotating the energy recovery wheel,
otherwise damage to retainer will occur.