Data Aire dap4 User Manual

125
Alarm Screen
Description &
Classification
Possible Causes
Corrective Actions
• BMS set to put unit
into standby mode
• Alarms enabled in standby mode
in Alarm & Limits men
• BMS commanded unit to be in
standby.
Standby Pump
Pump Auto-
Changeover
Control
*Warning
• Pump is changing
over
• Loss of power to one
of the pumps
• Pump has failed
• Check the Pump Auto-Change
over contacts
• Check power to pumps
• Check pump operation
Humidifier
Cylinder
Humidifier
cylinder alarm
is active-
optional alarm
*Warning
• Active alarm on
humidifier cylinder
from the humidifier
controller
• Loose wiring or
damage wiring from
humidifier controller to
dap4
• Incorrect settings of
digital input on the
controller
• Using wiring diagram to check
wiring of humidifier cylinder and
humidifier controller
• Go to Menu L- Configure I/O and
change the Humidifier Fault
Switch action setting
C1 or C2
Lockout
Compressor is
Locked out
**Urgent
• Compressor tripped its
High Pressure switch
more times than
allowed by alarm
setting.
• Requires alarm
acknowledgement to reset.
Notice, the HP switch must also
be mechanically reset.
Freeze Stat
Freeze stat
safety sensor
(optional)
*** Critical
• Optional analog input
#1 temperature is too
low
• Check freeze stat temp and
setpoint. Alarm will clear when
temp rises 2º above the alarm
set point.
External Temp.
Module Sensor
T** High
Temperature
The optional
Rack sensor
has a High
Temp Alarm
*Warning
• Temperature is above
rack sensor high alarm
set point
• Faulty sensor
• Check temperature of sensor
and set point for alarm
• Check sensor and replace
sensor

Data Aire dap4 Specifications

General

Brand	Data Aire
Model	dap4
Category	Control Systems
Language	English