Manual 2100-670B
Page
26 of 33
3. Press UP or DOWN keys to scroll to
System Config
;
press ENTER key.
4. Press UP or DOWN keys to scroll to
Alarm Setup
(A4)
; press ENTER key.
5. Press ENTER key to scroll to
Open Delay
(see
Figure 36).
6. Press UP or DOWN keys to change to the desired
value.
7. Press ENTER key to save the value.
Damper Failed to Close Alarm
When the controller commands the economizer damper
actuator to the 0% position and the damper switch
indicates the damper is not closed, after a delay of 300
seconds the controller will generate a damper failed to
close alarm. This alarm is just a notification and will
not disable any features on the controller.
Alarm index numbers: 18, 37, 52, 67
To adjust the damper failed to close delay:
1. Press MENU key to go to the Main Menu screen.
2. Press UP or DOWN keys and ENTER key to enter
USER password 2000.
3. Press UP or DOWN keys to scroll to
System Config
;
press ENTER key.
4. Press UP or DOWN keys to scroll to
Alarm Setup
(A4)
; press ENTER key.
5. Press ENTER key to scroll to
Close Delay
(see
Figure 36).
6. Press UP or DOWN keys to change to the desired
value.
7. Press ENTER key to save the value.
Outdoor Temperature and Humidity Combination
Sensor
The unit is equipped with a combination outdoor
temperature and humidity sensor to monitor
outdoor conditions for the economizer operation.
The temperature is measured with a 10k ohm NTC
FIGURE 36
Adjusting Damper Alarm Delay
thermistor. The humidity is measured with a humidity
sensor that outputs a 4-20mA signal to the controller.
The outdoor temperature can be verified by:
1. Press MENU key to go to the Main Menu screen.
2. Press UP or DOWN keys and ENTER key to enter
TECHNICIAN password 1313.
3. Press UP or DOWN keys to scroll to
I/O Config
;
press ENTER key.
4. Press UP or DOWN keys to scroll to
Outdoor Air
Sensor (C4)
; press ENTER key.
5. Reference the
Value
to see the input of the sensor
(see Figure 37).
6. To apply an offset, press ENTER key to scroll to
Offset
.
7. Press UP or DOWN keys to change to the desired
value.
8. Press ENTER key to save the value.
The outdoor humidity can be verified by:
1. Press MENU key to go to the Main Menu screen.
2. Press UP or DOWN keys and ENTER key to enter
TECHNICIAN password 1313.
3. Press UP or DOWN keys to scroll to
I/O Config
;
press ENTER key.
4. Press UP or DOWN keys to scroll to
Outdoor Hum
Sensor (C7)
; press ENTER key.
5. Reference the
Value
to see the input of the sensor
(see Figure 38).
6. To apply an offset, press ENTER key to scroll to
Offset
.
7. Press UP or DOWN keys to change to the desired
value.
8. Press ENTER key to save the value.
FIGURE 37
Outdoor Air Sensor
