Table 5: Controller icons, keys, description, behavior, and user actions
Callout Item
Description
1
Message field The message field shows messages with up to 8 characters that define
the purpose of or value displayed in the current screen. Messages with
more than 8 characters automatically scroll across the field. Message field
messages include the following information:
• Displays the system name, the date, and the time during normal
operation.
• Displays the setup parameter names as you navigate through the
setup screens during setup.
• Displays defrost duration, drip time, fan delay, ASD countdowns and
alarm messages. The message field identifies the countdown and
displays the minutes remaining.
2
Status field
The status field displays the numerical values related to the status or
setup parameter information displayed in the message field. Status field
values include the following information:
• Displays the SN1 case temperature or the average temperature of
SN1 and SN3 during normal operation.
• Displays the current numerical value on the system status screens.
• Displays the flashing setup parameter values as you navigate
through the setup screens with editable values during setup.
• Displays four dashes during anti-short cycle delay, defrost duration,
drip-time, and fan delay countdowns. When you select or edit a
numerical parameter value, the status field displays a blinking value.
When the current value blinks in the status field, press the
DOWN
or
UP
arrow keys to select a different value. To save the value that
displays, press
SET
.
3
Degree
symbol
The degree symbol displays when a temperature value displays in the
status field.
4
Save LCD
When you press
SET
to save a parameter value or a menu selection, the
green save light in the top-right corner of the LCD screen blinks quickly
to indicate that the controller saved the value or selection and the LCD
advances to the next parameter field.
5
Upper info
field
The info fields provide additional information depending on the menu
screen displayed. When the main or status screen displays, the upper
info field displays
C
for Celsius or
F
for Fahrenheit. When a parameter
value edit screen displays, the upper and lower info fields display the
values at each end of the range of selectable values. When a parameter
list selection screen displays, the upper and lower info fields display the
available selections as blinking parameters. See
for info
field code descriptions.
MR5 Series Panel Mount Case Controller Technical Bulletin
16
Discontinued
