B) Recirculation Filter - Cassette - Airflow DUPLEXVENT RA3 User Manual

4
Close the door. Re-connect the hot air unit to power supply by switching on the circuit breaker.
b ) R e c i r c u l a t i o n f i l t e r - c a s s e t t e
1
Disconnect the hot air unit from power supply by switching off the upstream circuit breaker.
2
Open the door.
3
Slide out the G4 (F7) cassette filter. The direction of air passage through the filter is indicated on the filter by an
arrow. Filters in DUPLEXVENT R_3 units should be replaced after approx. 10-12 weeks of operation. The
replacement interval is shown on the CP08RD controller.
1
4
Close the door. Re-connect the hot air unit to power supply by switching on the circuit breaker.
2
11
3