Operating the unit

If the unit is switched on and off manually, function is not always ensured in accordance with DIN 18017-3.

ER EC/ER EC 2.1 fans run at 30 m³/h in base load operation (factory setting).

A light switch or separate switch can be used to switch to full load operation with 60 m³/h.

The unit control is located in the cover: ER-AH NFC, ER-AK NFC, ER-AB NFC have automatic functions with unit parameters that can be set: Covers: Functions.

• ER-A: Standard model
• ER-AK NFC: Comfort model
• ER-AH NFC: Model with humidity control, barrier-free
• ER-AB NFC: Model with motion sensor, barrier-free

For full load operation, a start delay of 60 seconds and an run-on time of 15 minutes are specified at the factory.

Ensure sufficient supply air during operation.