Version 01 /
p.21
AFA1000/BLD Pressure Controller
Installation & Operating Manual
3.3 Control Functions
This menu options sets the type of control for the unit to suit the application and
determines how the voltage output operates in the Night setback and the Emergency
conditions.
a.
Action of controller :-
Damper
• Display value above the set point the output voltage increases => 10 V
• Display value below the set point the output voltage decreases => 0 V
Inverter
• Display value above the set point the output voltage decreases => 0 V
• Display value below the set point the output voltage increases => 10 V
b. Min/Max and Limit settings:-
Direct Action
•
Max Output:
Output voltage increases => 10 V
•
Minimum Output:
Output voltage decreases => 0 V
•
High limit:
Output voltage increases => 10 V
•
Low Limit:
Output voltage decreases => 0 V
Reverse Action
•
Max Output:
Output voltage decreases => 0 V
•
Minimum Output:
Output voltage increases => 10 V
•
High limit:
Output voltage decreases => 0 V
•
Low Limit:
Output voltage increases => 10 V
CONTROL FUNCTION Control Action
Night Setback action
Emergency action
Damper
Direct
Drive to Min (2V)
(Bleed damper closes)
Drive to min (2V)
(Bleed damper)
Inverter
Reverse
Drive to Max ( 0V)
(Extract fan to min
speed)
Drive to Min (10V)
(Extract fan to max
speed)
Summary of Contents for AFA1000/BLD
Page 4: ...1 SAFETY...
Page 9: ...2 OVERVIEW OF THE PRESSURE CONTROLLER...
Page 18: ...3 FUNCTIONS OPERATION...
Page 22: ...4 COMPONENTS...
Page 24: ...5 INSTALLATION...
Page 30: ...6 OPERATION NOTES...
Page 32: ...7 CONTROL SETTINGS...
Page 34: ...8 RS485 COMS OUTPUT...
Page 41: ...9 WARRANTY...