Zehnder ComfoSense 67 Controller for ComfoAir Luxe/PH Models (CCS) REPORT-CAT-063 F7 Filters are fine grade

F7 Filters are fine grade and designed to capture small and often invisible particles such as pollen spore

These units work on a calendar timer basis and simply changing the filters will still present the same issue as the heat recovery unit has to be told by the user when the filters have been changed

The H200 Q Plus comes in Eco versions only with a 100% airflow diverting Summer Bypass

When no more movement is registered within the room

Zehnder ComfoSense 67 Controller for ComfoAir Luxe/PH Models (CCS) REPORT-CAT-063 F7 Filters are fine gradeComfoSense CCS controller for ComfoAir Luxe PH models 2 Zehnder P N 655 010 215