Data Aire dap 4 User Manual

93•dap4UserManual
4. The alarm will prevent the unit from operating until the alarm condition is corrected (condensate
pumpischeckedanditsoatswitchisopen).
FAN MOTOR OVERLOAD ALARM
1. The fan motor overload is optional and requires a motor overload relay contact for each motor.
2. The alarm is programmable (See Menu …….)
3. The audio is activated and a “Blower Overload” message is displayed on the display module.
4. The alarm is a warning only and will not prevent any of the unit functions from operating.
5. The alarm will remain until the alarm condition is corrected.
NO WATER FLOW ALARM ACTION
1.Thenowaterowalarmisoptionalandrequiresaeldprovidedandinstalledowswitch.
2.Thenowaterowalarmactionisprogrammable(SeeMenuK–AlarmsandLimits).
3. The audio alarm is activated and a “No Water Flow – Check Pump” message will be displayed
on the display module.
4. The alarm can be set as a warning and will not prevent any of the unit functions from operating
or it can be set to lockout the compressor(s). All other functions continue and manual reset is
required.
5. The alarm will remain until the alarm condition is corrected.
NO WATER FLOW ALARM ACTION – CHILLED WATER UNITS
1.Thedap4controllerwillnotdetectthenowaterowalarmunlessthechilledwatervalveposi-
tion is at least 60% open.
2.Ifthevalveopens60%ormore,thenowaterowalarmdetectionwillbedisplayedforthe
amount of delay set in Menu K (Alarms and Limits). The programmable range is from 5 to 180
seconds in 1 second increments.
3. A “No Water Flow – Check Pump” message will be displayed on the display module and the
alarmcontactswillclosewhenanowaterowalarmisdetected.
NO WATER FLOW ALARM ACTION – DX COOLING UNITS
1.Thedap4controllerwillonlydetectthenowaterowalarmwhentheunitcallsforcooling.
2.Eachtimethecoolingstagestarts,thenowaterowalarmdetectionwillbedisplayedforthe
amount of time that is set in Menu K (Alarms and Limits). The programmable range is from 5 to
180 seconds in 1 second increments. The factory setting is 5 seconds
3. If the “Action” is set (See Menu K – Alarms and Limits) to “Compressor Lockout”, when a no
waterowalarmisdetected,thecompressor(s)willbeinhibitedfor5minutesanda“NoWater
Flow Check Pump: Compressor Lock-out” message will be displayed on the display module.

Data Aire dap 4 Specifications

General

Brand	Data Aire
Model	dap 4
Category	Control Unit
Language	English