6
list of Parameters
Here is a list of the parameters that can be changed in the Second Level of programming, as well as their options and ranges.
Parameter
Display Symbol
Description
Range / Options
Display Status
dSPl
Information shown on the display during
operation conditions
tdAy
– time-of-day
rSP°
– zone temperature (refrigerated space)
CyCl
– cycle between time and zone temperature
Epr°
– evaporator coil temperature
Clock Format
Clhr
Format of the time (12 or 24 hours mode)
12hr
– AM/PM format
24hr
– 24 hour format
Temperature Format
°dSP
Temperature degrees
°F
– degrees Fahrenheit
°C
– degrees Celsius
Defrost Type
dFtP
Type of defrost used in the application
eLeC
– electric heater defrost / off cycle
hgAS
– hot gas
Fan Status During
Defrost
eFAN
Enable or not the fan during defrost
no
– fan is turned off during defrost
yES
– fan remains on during defrost
Fan Status During
Normal Mode
CFAN
Enable or not the fan during normal
compressor on/off mode
on
– fan is always on during normal mode
CyCP
– fan cycles with compressor
Defrost Interval
dFin
Type of defrost interval
TdAy
– time-of-day setpoint
CPrn
– compressor run time
tdEF
– temperature initiated defrost
Minimum Compressor
Off Time
CoFF
Minimum time that the compressor will
remain turned off
Range: from 0 to 15 minutes
Minimum Compressor
On Time
Con
Minimum time that the compressor will
remain turned on
Range: from 0 to 15 minutes
Alarm Delay
Alrd
Time delay before the alarm goes off after
the temperature fall off the two alarm
setpoints
Range: from 0 to 59 minutes
Compressor Run Time
CPrn
Time the compressor will run between
defrosts
Number of Defrosts
nodF
Number of defrosts per day
from 0 to 8 (0 means 1 defrost every 48 hours)
Defrost Start Time
dEF1-8
Start time of each defrost
Defrost Duration
dEFd
Defrost duration time (back-up for defrost
termination temperature)
Range: from 0 minutes to 4 hours
Fan Delay
FAnd
Delay time for the fan after defrost (back-up
for fan cut-in temperature)
Range: from 0 to 15 minutes
Pump Down
Pudn
Pump down duration
Range: from 0 to 59 minutes
Drip Time
driP
Drip time duration
Range: from 0 to 59 minutes
Setpoint Differential
diF°
Cut-in temperature differential Note: cut-in
is cut-out plus differential
Range: from 1 to 25°
Temperature Initiated
Defrost
tdEF
Temperature that will initiate a defrost cycle Range: from –40°F to 40°F or – 40°C to 4°C
Defrost Termination
Temperature
dEF°
Temperature in the evaporator that will
terminate the defrost cycle
Range: from 0°F to 75°F or –18°C to 24°C
Fan Cut-In
Temperature
FAn°
Temperature in the evaporator that will turn
the fan on after defrost
Range: from – 40°F to 60°F or – 40°C to 16°C
Low Temperature
Alarm
Allo
Low temperature setpoint that will make the
alarm go off and the error message appear
on the display
Range: from – 40°F to 83°F or – 40°C to 28°C
High Temperature
Alarm
Alhi
High temperature setpoint that will make
the alarm go off and the error message
appear on the display
Range: from – 40°F to 83°F or –40°C to 28°C
important Note:
To change from degrees C to F or vice versa, the user must reprogram all the parameters that are related to the temperature.
The unit does not convert the parameters automatically from degrees F to C or vice versa.