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Program Mode; Mode B Functions; Mode A Functions - Viking VCSB483D Service Notebook

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Electronic Functional Description

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
times and control will be in Program Mode A.
6. Toggle to Program Mode B by pressing
Display On pad. Red square to the right of
High Temp Alarm will disappear when in
Mode "B".
EEPROM Update in Control Memory
EEPRM is permanent programmable memory of
the control panel.
Entry tone, door open audio alarm and
Sabbath Mode State 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
(See page 24, Item C)
Temperature
display
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.
Freezer Thermistor Temperature
1. Choose freezer thermistor temperature display
by pressing Freezer Temp pad.
2. Freezer thermistor temperature displays.
(con't)
will
show
thermistor
Refrigerator Thermistor Temperature
1. Choose Refrigerator Thermistor temperature
display by pressing Ref Temp pad.
2. Refrigerator thermistor temperature displays.

Mode B Functions

Automatic Keyboard Functions
Activate and deactivate keyboard by toggling
Display Off pad.
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
Changing Door Alarm Delay
1. While in Mode "B" press Alarm Off
Door open indicator will
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 Higher Temp pad to decrease delay by 1
minute.
3. Press Lower Temp pad to increase delay by 1
minute.
Changing Max Ref Run Time Duration
1. Press Max Ref pad. Max Ref light will glow.
One
temperature
indicating present Max Ref run time duration
in 2 hour increments (indicator 1 means 6
hours, 2 means 8 hours, etc.) Default delay is
10 hours.
2. Press Higher Temp pad to decrease Max Ref
duration by 2 hours.
3. Press Lower Temp pad to increase Max Ref
duration by 2 hours.
Changing Max Frz Run Time Duration
1. Press Max Frz pad. Max Fra light will glow.
One
temperature
indicating present Max Frz run time duration in
4 hours increments (indicator 1 means 8 hours,
2 means 12 hours, etc.) Default delay is 24
hours.
2. Press Higher Temp pad to decrease Max Frz
duration by 4 hours.
3.
Press Lower Temp pad to increase Max Frz
duration by 4 hours.
22
If high temperature indicator
glow.
indicator
should
indicator
should
pad.
One
glow
glow

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