ALARMS
Quick Menu
Alarm Adjustment
Acknowledging/Clearing Alarms
Alarm conditions activate a red LED indicator that
backlights the ALARM function key. As an option, an
alarm condition may also be enunciated by an audible
alarm signal. An alarm is acknowledged by pressing the
ALARM key. This calls up alarm display screen(s) that
provide a text message detailing the alarm condition(s).
After an alarm condition is corrected, the alarm can be
cleared by pressing the ALARM key for 3 seconds.
Sensor Failure Alarms
The controller is capable of determining if a sensor has
failed. If the temperature or humidity measurement
is outside the following ranges, the controller will
consider the sensor as failed.
The trigger type for the low temperature, high
temperature and high temperature 2 alarms can be
changed to reference the displayed average or the
lowest value (for low temperature alarm) and the
highest value (for high temperature alarms).
To adjust the low temperature alarm trigger type:
1. Press MENU key to go to the Main Menu screen.
2. Use UP or DOWN keys and ENTER key to enter
USER password 2000.
3. Press UP or DOWN keys to scroll to
Sys Config
;
press ENTER key.
4. Press UP or DOWN keys to scroll to
Alarm
Setpoints (A4)
.
5. Press ENTER key to scroll to
Trigger Type
(see
Figure 2.1).
6. Press UP or DOWN keys to change from
Hi/Low
to
Average
.
A delay of 10 seconds is applied to each alarm. This
can be adjusted by:
1. Press MENU key to go to the Main Menu screen.
2. Use UP or DOWN keys and ENTER key to enter
USER password 2000.
3. Press UP or DOWN keys to scroll to
Sys Config
;
press ENTER key.
4. Press UP or DOWN keys to scroll to
Alarm
Setpoints (A4)
.
5. Press ENTER key to scroll to
Alarm Delay
(see
Figure 2.1).
6. Press UP or DOWN keys to adjust the delay.
High Temperature Alarm
The LV will indicate a high temperature alarm when
any of the connected sensors that are enabled read a
value above the high temperature limit of 85°F. This
alarm
does not
use the average of the sensors like other
functions do.
Low Temperature Alarm
The LV will indicate a low temperature alarm when
any of the connected sensors that are enabled read a
value below the low temperature limit of 45°F. This
alarm
does not
use the average of the sensors like other
functions do.
To adjust the low temperature alarm setpoint:
1. Press MENU key to go to the Main Menu screen.
2. Use UP or DOWN keys and ENTER key to enter
USER password 2000.
3. Press UP or DOWN keys to scroll to
Sys Config
;
press ENTER key.
4. Press UP or DOWN keys to scroll to
Alarm
Setpoints (A4)
.
5. Press ENTER key to scroll to
Low Temp
(see Figure
2.1).
6. Press UP or DOWN keys to adjust setpoint.
TABLE 2.1
Temperature and Humidity Sensors
Sensor
Range
Indoor Temperature 1
-41°F to 303°F
Indoor Temperature 2
-41°F to 303°F
Indoor Temperature 3
-41°F to 303°F
Indoor Humidity 1
0-100%
Indoor Humidity 2
0-100%
Indoor Humidity 3
0-100%
FIGURE 2.1
Adjusting Alarm Setpoints
Page
26 of 36
Содержание LV1000-100
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