QD-ENG-40 REV.3
- 8 -
PROGRAMMING THE CONTROLLER:
-continued-
To change the factory default settings, enter the programming code sequence:
“1 Adjust-up”
arrow
“2 Adjust-down”
arrow
“3 Select”
“4 Exit”
After pressing the above sequence the program LED should illuminate along with three alternating
flashing boxes on the display face, indicating the code was accepted. If no selection is made within
one minute, the system returns to the normal operating mode.
Note:
Pressing the “4 Exit” button at any time while in the programming mode returns the
controller to the normal operating mode.
Press the “
3 Select”
button to continue programming. The set temperature “HI” LED illuminates with
the display indicating the ‘cooling on’ setpoint. The compressor will begin operation at this
temperature and will remain operating until the enclosure
temperature
decreases approximately
seven degrees Fahrenheit (four degrees Celsius). Press the
“1 Adjust-up”
or “
2 Adjust-down”
arrow until the desired set point is displayed. The range for this adjustment is 70° to 126°F, (21° to
52°C). When the adjustment is complete, press the “
3 Select”
button to continue.
The set temperature “LO” LED is
on
with the display indicating the (optional) ‘heating on’ set point.
The heating system will begin operation at this temperature and remain operating until the enclosure
temperature increases approximately seven degrees Fahrenheit (four degrees Celsius). Press the
“1
Adjust-up
” or
“2 Adjust-down
” arrow until the desired set point is displayed within a range of 0°F to
63°F (-17.8°C to +17°C).
NOTE: Review alarm settings if the ‘cool on’ or ‘heat on’ set points have been changed.
Press the
“3 Select
” button to continue. The set alarm “HI” LED is
on
with the display indicating the
high temperature alarm setpoint. The alarm will activate at this temperature and will automatically
reset at two degrees Fahrenheit (one degree Celsius) below this temperature. Press the “
1 Adjust-
up”
or “
2 Adjust-down”
arrow to change the alarm setpoint within a range of 8ºF (or 4ºC) above the
set temperature “HI” set point, to 135°F (or 57°C).
Press the
“3 Select
” button to continue. The set alarm “LO” LED is
on
with the display indicating the
low temperature alarm set point. The alarm will activate at this temperature and will automatically
reset at two degrees Fahrenheit (or one degree Celsius) above this temperature. Press the “
1
Adjust-up”
or “
2 Adjust-down”
arrow to change the alarm setpoint within a range of 8º F (4ºC)
below the set temperature “LO” set point to -20°F (or -29°C).
Press the “
3 Select”
button to continue. The alarm LED will flash and the display will show “ALL”,
indicating the “ALL” alarm on/off status. Press
“3 Select
” and the display will show either “
ON”
or
“
OFF”,
indicating current alarm status. Press
“1 Adjust-up
” or “
2 Adjust-down”
to toggle the mode
as desired. If the “
OFF”
mode is selected, no alarms will activate and the audible on/off select and
POA functions are skipped.
Press the
“3 Select
” button to continue. The audible LED will flash and the display will show “
AUD”,
indicating the audible alarm on/off status. Press “
3
Select”
and the display shows
“ON”
or “
OFF”
indicating the current audible alarm status. Press
“1 Adjust-up
” or
“2 Adjust-down
” arrow to toggle
the mode desired.
Press the
“3 Select
” button to continue. The alarm LED will flash and the display will show “
POA”,
indicating the Power Off Alarm status. Press “
3
Select”
and the display shows
“ON”
or “
OFF”
indicating the current alarm status. Press
“1 Adjust-up
” or
“2 Adjust-down
” arrow to toggle the
mode desired.
(Version 3.18 and later only)
