Operator's Manual

the plastic windings. Shake excess water from the wheel.

7. Replace the wheel on the drive shaft.

8. Replace and tighten the screw in the center of the hub.

9. Replace the belt on the wheel.

10. Reinstall the center divider.

11. Close the ventilator door and tighten the screws.

Belt Drives: If the blower is operating (air coming out of fresh air vent)

but energy transfer wheel does not rotate, check the pulley system.

NOTE: ER90/100 will require removing the energy transfer wheel to check

the pulley system.

See Figs. 5 and 6. Replace broken or stretched belts.

If the blower fails to operate with the master switch in the

position and the Fresh Air Control on, check circuit breakers in

house electrical panel. If power is supplied to unit but blower does not

operate, contact your local HVAC contractor.

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