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Reprinted with permission from Paragon Commercial Refrigeration Controls.
Table 7. List of Parameters for Freezers
Here is a list of the parameters that can be changed in the Second Level of programming, as well as their options and ranges.
Display
Parameter Symbol Default Description Range / Options
Display dSPL CyCL Information shown on the display tdAy — time-of-day
Status during operation conditions rSP° — zone temperature (refrigerated)
space)
CyCL — cycle between time and zone
temperature
Epr° — evaporator coil temperature
Clock Format CLHr 12 hours Format of the time (12 or 24 hours 12Hr — AM/PM format
mode) 24 Hr — 24-hours format
Temperature °dSP °F Temperature degrees °F — degrees Fahrenheit
Format °C — degrees Celsius
Defrost Type dFtP Electric Type of defrost used in the ELEC — electric heater defrost/off cycle
application * HgAS — hot gas
Fan Status EFAN No Enable or not the fan during defrost no — fan is turned off during defrost
During Defrost yES — fan remains on during defrost
Defrost dFin Time of Type of defrost interval TdAy — time-of-day setpoint
Interval Day * CPrn — compressor run time
* tdEF— temperature initiated
Minimum CoFF 4 minutes Minimum time that the compressor Range: from 0 to 15 minutes
Compressor will remain turned off
Off Time
Minimum Con 0 minutes Minimum time that the compressor Range: from 0 to 15 minutes
Compressor will remain turned on
On Time
Alarm Delay ALrd 45 minutes Time delay before the alarm goes off Range: from 0 to 59 minutes
after the temperature fall off the two
alarm setpoints
Compressor CPrn Time the compressor will run Not Used (0 minutes to 23:59 hours)
between defrosts
Number of nodF 4 Number of defrosts per day From 0 to 8 (0 means 1 defrost every
Defrosts 48 hours)
Defrost Start dEF1-8 4:00 AM, 10 :00 AM, Start time of each defrost Up to 8 programmable start times
Time 4:00 PM, 10 :00 PM
Defrost dEFd 40 minutes Defrost duration time (back-up for Range: from 0 minutes to 4 hours
Duration defrost termination temperature)
Fan Delay FAnd 2 minutes Delay time for the fan after defrost Range: from 0 to 15 minutes
(back-up for fan cut-in temperature)
Drip Time driP 2 minutes Drip time duration Range: from 0 to 59 minutes
Setpoint diF° 3°F Cut-in temperature differential Range: from 1° to 25°
Differential 2°C NOTE: cut-in is cut-out plus differential
Defrost dEF° 65°F Temperature in the evaporator that Range: from 0°F to 75°F or
Termination 18°C will terminate the defrost cycle -18°C to 28°C
Temperature
Fan Cut-In FAn° 35°F Temperature in the evaporator that Range: from -40°F to 60°F or
2°C will turn the fan on after defrost -40°C to 15°C
Low ALLo -35°F Low temperature setpoint that will Range: from -40°F to 83°F to
Temperature -37°C make the alarm go off and the error -40°C to 28°C
Alarm message appear on the display
High ALHi 30°F High temperature setpoint that will Range: from -40°F to 83°F or
Temperature -1°C make the alarm go off and the error -40°C to 28°C
Alarm message appear on the display
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.
* Not used with .
2. Freezers