574
Dening Electric Control System
Air Mode Switch:
(delivered only through wire control matched with heat reclaim ventilation)
Airow volume can switch between "high speed" mode and "low speed" mode, "high air change" mode and "low
air change" mode.
Switch to Outdoor Fresh Air Mode:
When the unit operates in "high speed" mode and "low speed" mode, air coming indoors and air coming outdoors
have the same ow volume.
Air change mode is available in two scenarios as follow:
■ Air volume coming indoors greater that air volume coming outdoors:
PC Panel Dial Code (SW903) Settings Shown as Below:
Unit operates in "high air change" mode or "low air change" mode and air volume coming indoors is greater
than air volume coming outdoors. This mode prevents humidity or unpleasant smell from coming indoors out of
lavatory or kitchen.
■ Air volume coming outdoors greater than air volume coming indoors:
PC Panel Dial Code (SW903) Settings Shown as Below:
Unit operates in "high air change" mode or "low air change" mode, and air volume coming outdoors is greater
than air volume coming indoors. This mode stops unusual smell or air-borne bacteria from coming to hall out of
sickroom.
■ Control operating heat reclaim ventilation with wired controller.
■ Operating status and parameter settings are displayed in wired controller.
■ Users shall procure control cable (500m long at most).
■ For detailed operating instruction, refer to wired controller
operation.
Controlled independently through wired controller:
Dening Control System:
Independent System: