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2-18
62--611XX--20 (03/04)
2.8.5
Digital Display
The digital display has 9 digits. The default display
is setpoint on the left and controlled air temperature on
the right. The readout is keypad selectable for Degrees
C or Degrees F. (See Figure 2-7)
Thedisplay also has symbol indicators for thefollowing
modes: Cool, Heat, Defrost, Out-of-range, City Speed,
Autostart/Stop, Stand-by, and Road (diesel operation).
On each power-up, the unit will display a DisplayTest
for 5 seconds then display the default reading.
2.8.6
Functional parameters
The functional parameters will control selected oper-
ating features of the unit. These parameters can be dis-
played by pressing the
function change key
.
NOTE
If configuration CNF11 is “ON” functional parameters
are lockout. The ability to change functional
parameters from keypad are disabled.
All functional parameters are retained in memory.
The following sections describe the list of functions
which can be modified via the keypad.
A description of the function is displayed on the left
side with the corresponding data on the right side. The
functionparameterlist canbe scrolled throughby press-
ing the
function change key
or by using the
up/down
arrow keys
.
With each
function change key
push, the list is ad-
vanced one. If the function key is pressed and held for
one second, the list will advanced one item at a time.
This list will circular, meaning once the end of the list
is reached the list will go to thefirst entry. While thefunc-
tional parameter is displayed, the data can be changed
by pressing
enter
then pressing either the
up or down
arrow keys
. If the value is changed, the displayed data
will then flash to indicate that thevalue has not been en-
tered. If the new value is not entered in 5 seconds, the
display will revert back to the last entered value. If the
enter key
is pressed, the display will stopflashing to indi-
cate that the value has been entered. Thenew value will
continue to be display for 5 seconds before reverting
back to the default display. Each time a key is pressed,
the 5 second delay will reset. To select a different func-
tional parameter the
function change key
must be
pressed first.
Table 2-5 Function Parameters
CODE
ENGLISH
DATA
FN0
DEFR
Defrost Interval
FN1 ON
CITY SPD
Low Speed
FN1 OFF
HIGH SPD High Speed
FN2
OFF T
Minimum Off-time
FN3
ON T
On-time
FN4
DEGREES
F OR C
Temperature Unit
_
C or
_
F
FN5 ON
TIME STRT Maximum Off-time 30 Min.
FN5 OFF
TEMP
STRT
Temperature Based
Restarting
FN6
MOP
Bypass valve
FN 7 ON
AUTO OP Auto Start Operation
FN 7 OFF
MAN OP
Manual Start Operation
FN 8
T RANGE
Out-of-Range Tolerance
Code / English = Code or English display format
Manual Glow Override = Normal or Add 30sec
Alarm RST = Alarm Reset Required
Alarm CLR = No Alarm Active
FN0: Defrost interval
The defrost interval is displayed with the description
DEFR or FN0. The data for the interval is displayed with
one decimal place and then the capital letter H for hours
(i.e., DEFR 12.0H). The defrost intervals are 1
1
/2
, 3, 6
or 12 hours.
FN1: Speed control selection
The status of the speed control solenoid override is
displayed as CITY SPD or HIGH SPD. The code display
is FN1. The city speed setting is “ON” and the high
speed setting is “OFF.” If the display shows CITY SPD,
the unit is locked into low speed.
FN2: Minimum Off-Time
The off-time selection for the auto start mode is dis-
played with the description OFF T or FN2. The off-times
are 10, 20, 30, 45 or 90 minutes. The data for the off-
time is displayed with two digits and then the capital let-
ter M for minutes (i.e. OFF T 20M).
FN3: On-Time
The on-time selection for the auto start mode is dis-
played with the description ON T or FN3. the on-times
are 1 or 4 minutes. The data for the on-time is displayed
with two digits and then the capital letter M for minutes
(i.e. ON T4 M).