AFA4000/E
VAV Airflow Controller / p.26
Function
Description
•
Pushbutton I Run Down Timer = set to the required post-
purge time
•
Pushbutton 2 icon set to Services On/Off, Relay Output 2
Operation:
Fan On / Pre-purge period
•
Services Output disabled
•
Services icon flashes
•
Fan runs
Pre-purge period elapsed
•
Services icon = Rst.
Can be switched on if
airflow is safe.
Will revert to Rst (Off) if
Low Air Alarm activates.
Disabled until airflow is
safe.
Fan Off / Post-purge period
•
Services Output Off
•
Services icon flashes
•
Fan runs for post=purge
period, then switches off.
Pump On / Off
•
Pushbutton II set to
Pump On / Off
•
Pump On / Off Relay operates
Setback O/R On/Off
•
Pushbutton II set to
Setback Override On / Off
•
Night setback function is overriden
Содержание AFA4000/E
Страница 1: ...AFA4000 E VAV Airflow Controller Installation and operating manual Issue 2...
Страница 57: ...AFA4000 E VAV Airflow Controller p 57 Figure 22 AFA4000 E inverter control connections...
Страница 58: ...AFA4000 E VAV Airflow Controller p 58 Figure 23 AFA4000 E damper control connections...
Страница 59: ...AFA4000 E VAV Airflow Controller p 59 Figure 24 AFA4000 E typical connection diagram...
Страница 60: ...AFA4000 E VAV Airflow Controller p 60 Figure 25 AFA4000 E AS typical connection diagram...
Страница 62: ...AFA4000 E VAV Airflow Controller p 62 Figure 27 SM7 airflow sensor dimensions...
Страница 71: ...AFA4000 E VAV Airflow Controller p 71 Figure 34 Side views of a rack and pinion drive typical installation...
Страница 96: ...AFA4000 E VAV Airflow Controller p 96 6 9 Auto Sash System Control Box general wiring diagram...
Страница 158: ...AFA4000 E VAV Airflow Controller p 158...
Страница 182: ...AFA4000 E VAV Airflow Controller p 182 Figure 79 Connection diagram with RS232 485 converter...