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EV-Series Premium
ERV
MAINTENANCE
6.1 MAINTENANCE AFTER 30 DAYS OPERATION
6.2 RECALIBRATION OF AIRFLOWS
After 30 days of unit operation, check/tighten all mounting and support hardware. Inspect
filters for cleanliness. There is often construction dust collected during initial operation. If filters
appear dirty, replace them.
Whenever there is a reconfiguration of the heating system in a residence, to include changing
damper positions, the fan speed potentiometers on the EV Premium should be re-calibrated for
optimum performance. If the residence undergoes significant structural changes, such as an
addition to the home, the EV Premium should also be re-calibrated. If optional MERV 13 filters
are installed, recalibration is also required.
6.3 DOOR REMOVAL
The hinged door is held in place by two separable hinges on one edge and two security latches
on the other edge. The separable hinges have a spring-loaded detent to prevent accidental
separation. To remove the door, first disconnect power to the unit. Unlatch and open the door
and then strike the edge of the door, pushing the door toward the OA/EA side of the unit.
6.4 SERVICE PARTS
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FIGURE 6.4.0 EV PREMIUM SERVICE PARTS
The enthalpic core should be vacuumed annually. Remove the hinged access door by sliding it
horizontally on its pin hinges and then remove the filters for access to the core. Use a soft-
bristled nozzle on a good vacuum and carefully vacuum the inlet faces of the core.
Ducts should be inspected annually. Ensure all ducts and joints are free from damage,
contaminants, or leaks in order for the system to behave properly.