User`s manual

11
4 Close the door. Re-connect the hot air unit to power supply by switching on the circuit breaker.
b ) R e c i rc ul a t i o n f il te r - c as 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.
4 Close the door. Re-connect the hot air unit to power supply by switching on the circuit breaker.
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