13
1 . If a power failure occurs, the PDQ memorizes the conditions prior to the loss of power .
When the power returns, the PDQ returns to the proper point in the program .
2 . When power is returned, the HH : MM light flashes indicating that a power failure has occurred .
It continues to flash until START / STOP is pressed .
NOTE: The HH : MM light flashes if the power switch is turned off and on while
a program is running and START / STOP was not pressed. It will not flash
if the power switch was turned off or a power failure occurred when the
PROGRAM READY light was on.
REPLACEMENT OF DOOR INSULATION AND SPRINGS
1 . Open, locate and remove the two screws on the door closest to the door hinges which hold
the retainer strip in place . Remove the retainer strip .
2 . Remove the one piece door insulation by sliding it toward the rear of the furnace and slightly lifting .
3 . To replace the springs, remove each spring from the hook which holds it in place .
Remove both the hook and spring .
4 . To reinstall the new door insulation or springs and hooks, reverse the above procedure . If installing
springs and hooks, add grease to junction of spring and hook and spring and hinge junction .
POWER FAILURE
SERVICE
5 . When the tablet begins to melt or liquefy at the edges, immediately press and hold .
Then press ENTER / REVIEW . Your PDQ is now calibrated . Three “beeps” sound and
“CAL” appears on the main display .
Summary of Contents for P.D.Q.
Page 1: ...115 and 230 volt Models P D Q Automatic Burnout Furnaces OPERATOR S MANUAL...
Page 17: ...17 Figure 5 PDQ D WIRING DIAGRAM...
Page 22: ...NOTES 22...
Page 23: ...NOTES 23...