CSR-20 & CSR-40, September 1999
µ
P-D Controller
Controller Display Menus
4-3
Controller Display Menus
The
µ
P-D controller contains an extensive display menu that
can be navigated via keypad. The display menu is organized
into five Main Menus (or groups):
NOTE: See page 9-41 to view a diagram of the com-
plete
µµ
P-D menu.
Software Version Display
The application software version, unit configuration number
and customer configuration number display when ENTER key
is depressed for 3 seconds (see “Reviewing Application
Software Version” in this chapter).
Active Option Displays
Control options that have been turned ON in the Program
menu show for 1 second every 10 seconds in the controller dis-
play. For example, the Option Display for the Economy mode
is shown below.
Option Display/Description
Economy Mode
“ECON ON”/Economy mode reduces
unit power consumption by reducing evap-
orator fan operation.
“ECONT XXXXX”/Shows the time
remaining to next controller check of return
air temperature (active only during Null
mode on Frozen Loads).
Humidify Mode
“HUM ON”/Humidity system operates to
add moisture to the container as required to
maintain humidity setpoint.
Dehumidify Mode “DEHUM ON”/Dehumidify system oper-
ates to remove moisture from the container
as required to maintain humidity setpoint.
Bulb Mode
“BULB ON”/Dehumidify system oper-
ates to remove moisture from the container
as required to maintain humidity setpoint.
Bulb mode allows adjustment of evapora-
tor fan speed setting and defrost termina-
tion temperature.
“DEHUM XX.X”/Current humidity level
also displays briefly when the Bulb mode
is ON.
IN RANGE
DEFROST SUPPLY RETURN PWRLMT ALARM
HEAT
NULL
MOD
COOL
SETPOINT
TEMPERATURE
DATA
DATA
Software Version Screen Flow Diagram
Active Options and Pause Mode Screen Flow
Diagram
