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2-16
62-11039
Display
The Main Display has 9 characters (7 seven--segment
characters and 2 nine--segment characters), 2 decimal
points, 2 commas, and a degree symbol. The display is
used to provide the user setpoint and refrigerated
compartment
temperatures,
either
in
degrees
Centigrade or Fahrenheit. The comma symbols are
used as the decimal indicators in Europe. When Metric
Units is selected in the Functional Parameters, the two
comma icons are used instead of decimal points. When
English Units is selected in the Functional Parameters,
decimal points are used.
Temperature display is right justified, with unused digits
blank. A negative sign will be displayed for all setpoint
and box temperatures below zero. A positive sign will be
displayed for all setpoint and box temperatures above
0
°
F (--17
°
C). 0
°
will not have a sign in front of it.
Indicator LEDs
The display has six LEDs across the top to indicate
operation status. These indicators are:
Cool Indicator (Green) -- Turned on when the unit is in
Cool Mode.
Heat Indicator (Amber) -- Turned on when the unit is in
Heat Mode.
Defrost Indicator (Amber) -- Turned on when the unit is in
Defrost Mode.
Start--Stop Indicator (Green) -- Turned on when the
Start--Stop Mode has been selected.
Continuous Indicator (Green) -- Turned on when the
Continuous Mode has been selected.
Alarm Indicator (Red) -- Off or Flashes at a rate of 0.5
seconds.
NOTE
When the unit is in Null mode (fan only), the
mode indicators (cool, heat and defrost) are all
off.
NOTE
There is an opening between the Alarm and
Start--Stop LEDs that is not used at this time.
MessageCenter
The MessageCenter is used to show messages. Details
of the messages are described in Section 6.1
MessageCenter.
NOTE
Messages can be displayed in multiple lan-
guages. See Section 3.16 for Functional Pa-
rameter settings.
Switch Descriptions
a. ENGINE/STANDBY Switch (SS)
This switch is used to select mode of
operation, either engine drive or standby
electric motor drive. When this switch is
placed in standby position, the electric
motor will not start until the oil pressure
safety switch (ENOPS) opens.
b. START/RUN--OFF Switch (RS)
When placed in the
RUN
position, this
switch
provides
power
to
the
microprocessor.
The
microprocessor
performs a self-test (all segments of
display are illuminated). Then setpoint and
Box Temperature are displayed.
To stop the unit or remove power from
the microprocessor, move the RS to the
OFF position.
c. REMOTE COMPARTMENT SWITCHES
On/Off toggle switches located above the display.
Placing a switch in the “ON” (I) position starts remote
evaporator in that compartmen
t.
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