QD-ENG-40 REV.3
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PROGRAMMING THE CONTROLLER:
-continued-
Press the “
3 Select”
button to continue. The “C” LED flashes and the display shows either “
F”
for
degrees Fahrenheit or “
C”
for degrees Celsius. Press the
“1 Adjust-up
” arrow or
“2 Adjust-down
”
arrow to toggle the mode as desired.
Press the
“3 Select
” button to continue. The code LED is on and the display shows “PIN”. To set a
new user PIN code, press the “
1 Adjust-up”
button. The display will flash “4”, prompting an entry of a
four button sequence using the
“1 Adjust-up”, “2 Adjust-down”, “3 Select”
and/or
“4 Exit”
buttons. (Any sequence of the four buttons may be programmed as the code.) As the buttons are
pressed, the display will show the number of buttons that were pressed.
NOTE: After pressing a button, there will only be 5 seconds to press the next button. If the
next button is not pressed within the allotted time, the system will default to no PIN
code, indicated by “0” on the display. Once the sequence is entered the display will
no longer flash, and will show “4”.
To program the no PIN code mode, press
“2 Adjust-down
” and the display will show “0”, indicating
no PIN code. With no PIN code, pressing any button will permit access to the program.
*** CAUTION ***
Always record the selection sequence (PIN code) and store in a secure place.
Press the
“3 Select
” button to continue. The filter LED flashes and the display will show “
FIL”
,
indicating the filter alarm days selection. Press the
“3 Select”
button and the display will show the
number of days that the alarm is set in one-half day increments. Note that the alarm is based on
compressor run time. (Example: 10.5 indicates the alarm will activate every ten and one-half days or
or 252 hours of compressor run time).
Press the
“1 Adjust-up
” or the
“2 Adjust-down
” arrow to vary the desired number of days.
Programming 0 days will disable the alarm.
NOTE: The required number of days to set this alarm will be determined by the ambient air
conditions. If rain or wash down hoods are installed on the system, no filter is
supplied and the filter alarm should be set to “0”. This will disable the filter alarm
.
Press the
“3 Select
” button to continue. The alarm LED will flash and the display will show “
Por”,
indicating the Power status. The cool, heat, alarm and filter LEDs will be flashing. Press “
3
Select”
and the display shows
“ON”
or “
OFF”
indicating the current power supply status to line voltage motor
circuits. Press
“1 Adjust-up
” or
“2 Adjust-down
” arrow to toggle the mode desired.
(Version 3.18 and
later only)
Programming of the microprocessor is now complete. Press the
“3 Select
” button to review all of the
settings. Press the
“4 Exit
” button to enter the selected settings and to return to the normal operating
mode.
NOTE: If the “(4) Exit” button is not pressed, any changes to the program settings will not
be saved.
ALARM OPERATION:
1.
The enclosure temperature is above or below the alarm setpoint
:
The alarm LED will light, the display flashes, either “HI” or “LO” LEDs flash with the display and
the audible alarm sounds (if activated). The enclosure temperature must rise or fall two degrees
Fahrenheit (one degree Celsius) before the alarm will reset.
