OPERATION
Radome Environmental Control Unit
10
L-2283 ENGLISH
OPERATION
1.
Turn on the A/C circuit breaker.
2.
Turn the Radome ECU system on by pressing the Power button.
3.
Use the Up or Down buttons to set the temperature (set point) to 85
°
F.
4.
Verify that there is a steady airflow out of the supply-air grille.
5.
If the unit does not appear to be operating properly, refer to the “TROUBLESHOOTING GUIDELINES”, below.
P-11
Display Temperatures in
Fahrenheit or Celsius
F
F = Fahrenheit Displayed
C = Celsius Displayed
P-12
Cycle Pump With Compressor
or Continuous Pump
OFF
OFF = Cycle With Compressor
On = Continuous Pump
P-13
Reverse Fan Speeds During
Heat Mode
rEF
nor = Normal Fan Operation
rEF = Reversed Fan in Heat Mode
P-14
Continuous Fan or Cycle Fan
With Compressor
con
CYC = Cycle Fan With Compressor
con = Continuous Fan Operation
P-15
Reverse-Cycle Heating or
Electric-Heat-Only Option
Installed
nor
nor = Reverse-Cycle Heating
ELE = Electric Heater Installed
P-16
Fan-Motor Type: Split Capacitor
or Shaded Pole
SC
SC = Split Capacitor Fan Motor
SP = Shaded Pole Fan Motor
P-17
Reset Memorized Programming
Defaults
nor
rST = Reset Defaults
nor = Normal
P-18
Reserved for future use
P-19
Reserved for future use
P-20
Air Filter Cleaning/Replacement
Timer Setting (x10 hours)
0
0 = Timer Disabled
10 - 250 (100 - 2500 hours)
P-21
Current Filter Time (x10 hours)
and Reset
0
Displays the elapsed time (in hours x10)
since the timer was started or reset. Press
Down button to reset value to 0, restart the
timer, and clear the display’s “FIL”
reminder.
P-22
Voltage Calibration
AC Voltage
P-23
Auto Mode Heat Differential
OFF
OFF
On = Select 4°F to 40°F
NOTE
Do not turn the unit off and immediately turn it back on. Allow at least 30 seconds for refrigerant pressure to equalize.
Table 2: Programmable Parameters - Ranges and Factory Defaults (continued)
Parameter
Number
Description
Radome ECU
Factory
Default
Custom
Default
Parameter Range
