RenewAire Ventilator HE4XRT

Warning: Handle the core carefully and keep it away from water or fire to avoid damaging it.

Exposed faces of the energy exchange core vacuumed with a soft brush

Dust vacuumed out from the rest of the unit case

Was the energy exchange core kept away from water?

Was the energy exchange core kept away from fire?

Confirm bearings are still secure to blower shaft. It should not be possible to move the blower shaft back and forth along its length.

Confirm blower wheel is not rubbing against the blower inlet or housing.

Sign off on the blower inspection

Warning: Turn off unit completely! Lock-out and tag-out the unit disconnect switch.

Open the Door. The door is secured with turn-type latches, plus one Phillips-head securing screw. Keep the securing screw.

NOTE: Always replace securing screw when reinstalling door.

All (8) filters removed and disposed?

NOTE: See chart for information on the initial resistance of the filters originally supplied with this unit. If replacement filters have higher resistance, the airflow of the system will be lower.

Door closed and securing screw reinstalled?

Warning: Disconnect power to unit before opening door. Danger of injury if unit starts unexpectedly. Switch power off at service disconnect. Lock-out/tag-out the disconnect.

Check belt tension every time you change the filters.

Inspect belt(s) for cracking or uneven wear.

Check that sheaves are properly aligned so that belt runs straight.

Properly tensioned belt will deflect 0.25” when pressed at the center point with the following force.

Incorrect Belt Tension will damage this blower!

Sign off on the blower belt tension check

Dust removed from blower wheels?

Paper, leaves, etc. removed from inlet and outlet screens?

Sign off on the ventilator cleaning