TEL AFA4000/E, Инструкция по установке и эксплуатации

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AFA4000/E VAV Airflow Controller / p.30
Function Description
Emergency When input configured as Emergency is activated:
•
Red Alarm LED Halo illuminated
•
Emergency toggles on /off in the status window (when
configured)
•
Audible alarm sounds. Can be muted by pressing the Mute
pushbutton
•
Emergency alarm relay operates (when configured)
•
Unit is driven to the VAV MAX operating position
Sash High When input configured as Sash High is activated:
•
Amber Alarm LED Halo illuminated
•
Sash High toggles on / off in the status window if sash height >
calibrated position
•
Audible alarm sounds. Can be muted by pressing the Mute
pushbutton
•
Sash High relay operates (when configured)
•
Alarm re-activates after time delay when repeat time enabled
High / Low When input configured as High/Low is activated:
•
Display Icon shows
↑
(High) or
↓
(Low)
•
High / Low relay operates (when configured)
•
This function is designed for two-speed fan operation or two-
position damper operation switched using a micro switch or
proximity switch activated at a given position on the sash.
Sash Warning When the input configured as Close Sash is activated:
•
Red Alarm LED Halo illuminated
•
Close Sash - toggles on/off in the status window
•
Audible alarm sounds (after pre-set time)
•
Audible can be muted by pressing the Mute pushbutton. This
silences the alarm (when configured)
•
Audible alarm re-sounds after time delay when repeat time
enabled
•
Reset when the sash is lowered to closed position and the input is
de-activated or an operator is present