7. Economizer
Page 32
506457−01 05/10
5. Return the economizer DIP switch to original position.
NOTE − Damper set" mode
locks economizer into mini-
mum position.
DSET (Damper Set)
MIN POS SET
0
100
OPEN
Figure 17. Economizer Manual Damper Set DIP Switch
7.12.4.3. Set Velocity Sensor Range
The velocity sensor is factory−set for 0−5m/s. (0−984ft/min.) If a higher velocity is required, move the sensor jumper as shown
in figure 18.
1
2
3
V+
GND
AV
0−5m/s (0−984ft/min.) 0−7.5m/s (0−1476ft/min.) 0−10m/s (0−1968ft/min.)
Factory Setting
V+ − 24VAC
GND − Common
AV − Airflow Output
(0−10VDC)
A24 Velocity Sensor
JUMPER
Figure 18. Velocity Sensor (A24) Range
7.12.4.4. Set Velocity Setpoint
1. Measure DC voltage between TB22−6 and TB22−10.
2. Multiply DC voltage by 25.4.
3. Round to the nearest whole number, and enter the result in ECTO 9.02.
To Next Page
Loading...
Need help?
General
