February 1998
13
12074208
Program Mode
Accessing Program Mode
Two programming modes are available. Mode A allows
reading refrigerator and freezer thermistor
temperatures. Mode B is used for all other
programmable functions.
1.
Open refrigerator door.
2.
Press
Display On pad.
3.
Press
*
pad.
4.
Press the following sequence of pads within 6
seconds:
Max Ref, Max Frz, Max Ref, Max Frz.
5.
When access is granted, tone will sound three time
and control will be in Program Mode A. Unmarked
indicator light will illuminate.
6.
Toggle to Program Mode B by pressing
Display On
pad. Unmarked indicator light is off.
EEPROM Update in Control Memory
EEPROM is permanent programmable memory of the
control panel.
•
Entry tone, door audio alarm and status are stored
in EEPROM after control panel is deactivated.
•
Information stored in EEPROM memory is not
affected by power loss.
Mode A Functions
Reading Temperature Display
Temperature display will show thermistor temperature
in binary coded decimal format (BCD). Indicator lights 1
through 4 represent the tens digit with 1 being the most
significant bit. Indicator lights 5 through 8 represent
ones digit with 5 being the most significant bit. Positive
and negative are shown by indicator light 9; light glows
to show negative value
.
Indicator
1
2
3
4
5
6
7
8
Value when
8
4
2
1
8
4
2
1
Coldest
+/-
Degrees F.
3 6
Add together all lit indicators
1 through 4 according to their
values to obtain ten's column
digit. Example if 3 and 4 are lit
the tens column total 3 (2 + 1
= 3)
Add together all lit indicators 5
through 8 according to their
values to get one's column
digit. Example if 6 and 7 are lit
the one column total 6 (4 + 2
= 6). The ex ample temperature
is 36º F. w ith coldest indicator
not lit.
Value
Freezer Thermistor Temperature
1.
Choose freezer thermistor temperature display by
pressing
Freezer Temp pad.
2.
Freezer thermistor temperature displays.
Refrigerator Thermistor Temperature
1.
Choose Refrigerator thermistor temperature display
by pressing
Ref Temp pad.
2.
Refrigerator thermistor temperature displays.
Mode B Functions
Automatic Keyboard Function
Activate and deactivate keyboard by toggling
Display Off pad. If high temperature indicator glows,
keyboard will disable after 10 minutes. If high
temperature indicator is off, keyboard is always
enabled. DO NOT LEAVE KEYBOARD IN ENABLED
MODE AFTER PROGRAMMING IS COMPLETE.
Door Alarm Delay
1.
Press
Alarm Off pad. Door open indicator will glow.
One temperature indicator should glow indicating
present delay setting in minutes (indicator 1 means
1 minute, 2 means 2 minutes, etc.) Default delay is
3 minutes.
2.
Press
Warmer pad to decrease delay by 1 minute.
3.
Press
Colder pad to increase delay by 1 minute.
Max Ref Run Time Duration
1.
Press
Max Ref pad. Max Ref light will glow. One
temperature indicator should glow indicating
present Max Ref run time duration in 2 hour
increments (indicator 1 means 2 hours, 2 means 4
hours, etc.) Default delay is 10 hours.
2.
Press
Warmer pad to decrease Max Ref duration by
2 hours.
3.
Press
Colder pad to increase Max Ref duration by 2
hours.
Max Frz Run Time Duration
1.
Press
Max Frz pad. Max Frz light will glow. One
temperature indicator should glow indicating
present Max Frz run time duration in 4 hour
increments (indicator 1 means 4 hours, 2 means 8
hours, etc.) Default delay is 24 hours.
2.
Press
Warmer pad to decrease Max Frz duration by
4 hours.
3.
Press
Colder pad to increase Max Frz duration by 4
hours.
