Controls; Display Functions; Defrost Settings - Delfield Shelleymatic ACR-26S Service And Installation Manual

MCII Tempatrol ® Controls
RESET
• Turns off alarms • Displays the current
time (if set)
• Terminates the cur-
rent defrost cycle • Allows setting the
clock by pressing UP
• Returns display of
and DOWN buttons
cabinet temperature
• Starts a manual
defrost cycle when
pressed simul-
taneously with
DEFROST
MCII Tempatrol ® Display Functions
Normal display Normal display
The normal display is the interior cabinet temperature in The normal display is the interior cabinet temperature in
degrees Fahrenheit. (For details on changing the display degrees Fahrenheit. (For details on changing the display
to show the temperature in degrees Celsius, see page 10.) to show the temperature in degrees Celsius, see page 10.)
Pressing the RESET button always displays current temper-
Pressing the RESET button always displays current temper-
ature. By pressing TEMP, you can read the set point of the
ature. By pressing TEMP, you can read the set point of the
interior cabinet. The display will automatically return to the interior cabinet. The display will automatically return to the
current interior temperature after one minute. current interior temperature after one minute.
It is not unusual for the interior temperature to rise rapidly It is not unusual for the interior temperature to rise rapidly
when a door is opened. The temperature displayed is usu- when a door is opened. The temperature displayed is usu-
ally the warmest temperature inside the unit. This is done ally the warmest temperature inside the unit. This is done
purposely to make sure that the entire storage area is always purposely to make sure that the entire storage area is always
represented by the display and assures that the refrigeration represented by the display and assures that the refrigeration
system is activated quickly to return the storage area to its system is activated quickly to return the storage area to its
correct temperature. correct temperature.
Remember that the temperature displayed represents a pre- Remember that the temperature displayed represents a pre-
cision measurement of the actual air temperature, not an cision measurement of the actual air temperature, not an
average temperature. When a door is opened, the cold air average temperature. When a door is opened, the cold air
literally "falls out" and warm air rushes in. What the display literally "falls out" and warm air rushes in. What the display
shows is real, and provides more accurate control. shows is real, and provides more accurate control.
RESET
TIME DEFROST
• Displays current
defrost setting
(A,3,4,6 or 8)
• Allows setting
defrost setting and
times by pressing
UP and DOWN but-
tons
• Starts a manual
defrost cycle when
pressed simulta-
neously with TIME
CHECK SYSTEM DEFROST DOOR AJAR
AM PM
CLEAN
CONDENSER
TEMP
• Displays current tem-
perature set point
• Allows modification
of set point by press-
ing UP and DOWN
buttons
Flashing temperature disply Normal display
The normal display is the interior cabinet temperature in A flashing temperature display can be caused by four situa-
tions, and is the first signal of a possible problem: degrees Fahrenheit. (For details on changing the display to
show the temperature in degrees Celsius, see page
1. The unit has been started, or restarted after a
10.) Pressing the RESET button always displays cur-
power loss, and has not yet reached set tempera-
rent temperature. By pressing TEMP, you can read
ture.
S T P S T P E S E S
the set point of the interior cabinet. The display will
2. The interior cabinet is over temperature. This
automatically return to the current interior tempera-
occurs when a freezer reaches 32°F (0°C) or
ture after one minute.
when a refrigerator reaches 65°F (18°C). This
It is not unusual for the interior temperature to rise
condition will stop when the temperature returns
rapidly when a door is opened. The temperature
to a reading below these warning levels.
displayed is usually the warmest temperature inside
3. Long duty cycle. The unit has been running
the unit. This is done purposely to make sure that
for one continuous hour without a door being
the entire storage area is always represented by the
opened. This condition will stop if RESET is
display and assures that the refrigeration system is
pressed, a door is opened, or if the compressor
activated quickly to return the storage area to its cor-
shuts off.
rect temperature.
4. The door has been ajar for over one minute. This
Remember that the temperature displayed represents
condition will stop if the door is closed.
a precision measurement of the actual air tempera-
ture, not an average temperature. When a door is
opened, the cold air literally "falls out" and warm air
Customer service FAX (517) 773-3210
®
UP
• When time is • When time is
displayed, changes displayed, changes
time forward time backward
• When defrost set- • When defrost set-
ting is displayed, ting is displayed,
moves forward moves backward
through choices through choices
• When first defrost • When first defrost
time is displayed, time is displayed,
moves the hour moves the hour
forward backward
• When set point is • When set point is
displayed, moves set displayed, moves
point up one degree set point down one
degree
Continued on the next page
DOWN
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