TEL AFA4000/E, Инструкция по установке и эксплуатации

Страница: 167 / 210

AFA4000/E VAV Airflow Controller / p.167
Setting up the dual set point:
1. From the Requires set up screen, press Mute , or from the Run Screen press and hold
the Mute button for 5 seconds until the Main Menu is displayed.
2. Select Set Up Monitor > Configure .
3. Enter the password (the factory default password is 0-0-0-0) and press Mute to continue.
4. Select Input 2 > Closed Contact > Pers. Sensor .
5. Select Econ Config > High Set Point , then use the
↑
/
↓
buttons to adjust the value to the
required High (Occupied) set point.
6. Select Econ Config > Low Set Point , then use the
↑
/
↓
buttons to adjust the value to the
required Low (Unoccupied) set point and set the required activation delay time.
Note: The activation delay time is a delay period that activates when the fume cupboard is
unoccupied, before the controller changes to low set point operation. This allows the
user to briefly return to the fume cupboard without the controller reducing the
setpoint (0
– 300 seconds time range).
7. Select Cal Config Menu > Low Air Alarm , then use the
↑
/
↓
buttons to adjust the value to the
required (occupied) alarm point.
8. Select Warning Air Alarm , then use the
↑
/
↓
buttons to adjust the value to the required
(occupied) alarm point.
9. Select Reduced Low Air Alarm , then use the
↑
/
↓
buttons to adjust the value to the required
(unoccupied) alarm point.
10. Select Reduced Warning , then use the
↑
/
↓
buttons to adjust the value to the required
(unoccupied) alarm point.
11. Select Done and Run .
Note: The typical alarm points are:
Status Set Point
Value
Low Air
Alarm
Warning Air
Alarm
Reduced
Low Air
Alarm
Reduced
Warning Air
Alarm
High set point 0.50 m/sec 0.40 m/sec
(80%)
0.45 m/sec
(90%)
Low set point 0.30 m/sec 0.24 m/sec
(80%)
0.27 m/sec
(80%)