Electronic Control Info.
Warming Drawer WWD30-2
3-5
#814750 - Revision A - January, 2011
NORMAL WARMING MODE:
Operations: (Continued)
If temperature of unit is greater than 10ºF above set-point, control will chime and “hot” will flash in the temperature
display. Control will continue to check if temperature has dropped, every 20 seconds. Once temperature, as moni-
tored by the thermistor, is within 10°F of set temperature, set temperature will be displayed and resume cycling nor-
mally. “HOT” indicator will no longer be illuminated. (
See Figure 3-6
)
NOTES
:
•
If drawer is closed at the time of power down, control will initiate a failure tone.
•
If no time is set, timer will automatically default to 4:00 hours. This ensure a definitive stop time. This does not
occur in Sabbath Mode.
•
If any presets are depressed, unit will begin to function. See Preset for further information.
•
During normal warming mode, all keys remain active to allow for changes to mode.
PRESET MODES:
(High, Medium and Low Presets)
Mode Entry:
Press “Power On/Off” key followed by either the HIGH, MED or LOW preset key. (
See Figure 3-7
)
NOTES
:
•
“TIMER” will illuminate and flash when first entering mode. Once mode is active the “TIMER” will no longer be
illuminated.
•
If no time is set, timer will automatically default to 4:00 hours. This ensures a definitive stop time.
Operations:
When “HIGH” Preset key is depressed, control will display “200F” in temperature display. For “MED” temperature
display will read “160F” and for “LOW” temperature display will read “120F”. In timer area of display, “4:00” along
with “TIMER”’ will be flashing. Temperature can be adjusted by pressing the “TEMP” up or down arrow keys. By
touching the “TIMER” up or down arrow keys, additional time can be added or subtracted. Anytime a change is
being made, the control begins flashing the changing value. Mode activation time for the control will be 2 seconds
and the “ON” indicator will illuminate and “TIMER” will no longer be illuminated.
Mode Exit:
Pressing “Power On/Off” key will cancel preset and any related timer feature of this mode. If timer expires during
preset mode, and after signaling end of time chime for 5 minutes, the unit will time out and power off.
TIMER
PROOF
LOW
PRESETS
HIGH
MED
TEMP
POWER
ON/OFF
PROOF
F
TEMP
TEMP
TEMP
ON
TIMER
Figure 3-6. “HoT” Indication if Temperature of unit is 10° above set-point.
TIMER
PROOF
LOW
PRESETS
HIGH
MED
TEMP
POWER
ON/OFF
PROOF
F
TEMP
TEMP
TEMP
ON
TIMER
Figure 3-7. Example of “LOW” preset.
