Data Aire dap4 User Manual page 101

Alarm Screen Description &
Classification
*Warning
Smoke Smoke
Detector detector is
sensing smoke
and will shut
down unit
** Urgent
High Condensation
Condensate water level is
Water Level above the
condensate
alarm switch
level
*Warning
Fire Stat Return Air
Temperature temperature is
above the Fire
Stat set point
and will shut
down unit
***Critical
Maintenance Schedule
Timer normal
maintenance
Possible Causes
•
The smoke detector
sensing smoke
•
Bad smoke detector
•
Incorrect settings on
the controller
•
Clogged condensate
drain line
•
Bad condensate pump
•
Float switch is loose or
broken
•
Loose Connection
•
Too high vertical drain
line
•
Incorrect settings on
the controller
•
High Return air
temperature
•
Return Air Temp
sensor is out of
calibration
•
Faulty Sensor
•
Maintenance needs to
be performed
101
Corrective Actions
•
Check the smoke detector and
reset after smoke has cleared
•
Check for 24 volt power at
Smoke Detector and replace if
necessary
•
Go to Menu L –Configure I/O
and change the Smoke Detector
action setting
•
Blow out or clean drain line
•
Replace condensate pump
•
Check and replace float switch
•
Check wire connections
•
Check vertical drain line (Lift),
The highest lift for the Little
Giant pump should be 11 feet
and 23 feet for the Becket pump
•
Go to Menu L –Configure I/O
and change the Condensation
Switch action setting
•
Check return air temperature
and also check the Fire stat set
point and raise setting if needed
(range 100º-150º)
•
Calibrate Sensor
•
Use Temperature Sensor Chart
to verify resistance of the sensor
•
Perform maintenance that is
required