4.3. DESCRIPTION OF THE PARAMETERS.
Group: Code: Description: Range: Default: Units:
F11 Temperature setting value. Range of changes is limited by the F14 and F13 parameters. F14...F13 0.0 °C/°F
Adjustment
F12 Hysteresis (temperature control accuracy). 0.1...20.0 1.0 °C/°F
F13 Maximum temperature value possible to set by the user. -58.0...302.0 302.0 °C/°F
F14 Minimum temperature value possible to set by the user. -58.0...302.0 -58.0 °C/°F
F18 Evaporator sensor calibration. This is the value of rescaling the evaporator sensor in relation to actually measured temperature. -20.0...+20.0 0.0 °C/°F
F19 Temperature sensor calibration. This is the value of rescaling the temperature sensor in relation to actually measured temperature. -20.0...+20.0 0.0 °C/°F
F21 Minimum compressor stoppage time. It also means the delay time of switching the compressor after giving power supply.
Compressor
0.0...10.0 3.0 Minutes
Parameter protects the compressor against too frequent switching in case of power failure.
F22 The factor of compressor operation time when chamber sensor failure. Operation and stoppage time of the compressor after chamber sensor failure is determined 0...100 0 %
on the basis of these two parameters.
F23 Work/stoppage mode of the compressor after chamber sensor failure. 5...999 60 Minutes
Operation time: ton = F22xF23 ; Stoppage time: toff = F23-ton
F29 Main output operation mode. COOL = cooling ; HEAT = heating Example: F22=20%; F23=60min then ton = 12min ; toff = 48min COOL/HEAT COOL -
F31 Interval between defrosting cycles. 0.1...99.9 12.0 Hours
F32 Ending of the defrosting temperature. 0.0...100.0 15.0 °C/°F
F33 Maximum defrosting cycles duration. 1...99 30 Minutes
Defrosting
F34 Dripping time of the evaporator after defrosting cycle. It is also the delay time of switching the compressor on after defrosting. 0...99 5 Minutes
F35 Defrosting cycles control form. OFF - defrosting off, 1 - automatically, from time to time equals toF31, -
OFF,1, 2, 3 OFF
2 - automatically, when the total operation time of the compressor reaches a value of F31, 3 - automatically, according to the real-time
F36 End of defrosting: 0 - after lapse of time F33; 1 - if the evaporator reaches the temperature of F32 or after lapse of time F33 0, 1 1 -
F37 Type of defrosting. 0 - electrical, 1 - with hot gas (compressor turned on when defrosting) 0, 1 0 -
F38 Fan operation when defrosting. OFF - off, ON - on. (Recommended F38=ON when natural defrosting). OFF/ON OFF
F41 Fan operation. There are 7 fan operation modes available: OFF - fan turned off.
1 - fan runs parallel to the compressor, is switched on after running the compressor with F42 delay and turned off after its stoppage with F43 delay.
2 - fan runs parallel to the compressor, is switched on before the running of the compressor with F42 lead and turned off after its stoppage with F43 delay.
3 - fan operates according to the evaporator temperature sensor, is activated when the value drops below the temperature F44 and turned off when
the evaporator sensor temperature rises above the value: F44+F45 -
OFF,1...6 1
4 - fan operates according to the evaporator temperature sensor, is activated when the value rises above temperature F44 and turned off,
when the evaporator sensor temperature drops below the value: F44-F45
Fan
5 - fan runs with the compressor. During the stoppage of the compressor, fan operates periodically: turned on for F46 time, turned off for F47 time.
Attention! During defrosting, the fan operation is specified by F38 parameter.
F42 Lead/delay time of the fan run before/after the compressor run. Parameter is considered, when F41=1 and 2. 0...999 30 Seconds
F43 Delay time of the fan stoppage after stopping the compressor. Parameter is considered, when F41=1 and 2. 0...999 0 Seconds
F44 Fan switching temperature. Parameter is considered, when F41=3 and 4. -58.0...302.0 -10.0 °C/°F
F45 Evaporator sensor temperature hysteresis. Parameter is considered, when F41=3 and 4. 0.1...50.0 5.0 °C/°F
F46 Fan operation time during the stoppage of the compressor, when F41=5 0...999 10 Minutes
F47 Fan stoppage time during the stoppage of the compressor, when F41=5 0...999 10 Minutes
F50 Bistate input D1: 0 - unused; 1 - alarm when short-circuit; 2 - alarm when short-circuit with maintaince of alarm signalling;
Inputs
0...4 0 -
3 - alarm when opened; 4 - alarm when opened with maintance of alarm signalling
F59 Evaporator sensor: YES - active, NO - inactive YES/NO YES -
F60 Real-time clock setting (RTC). 00:00...23:59 - Hour:min
RTC
F61 Six following defrosting runs during the day. 00:00...23:59 - Hour:min
F66 OFF - no defrosting OFF
F80 Password to access the configuration menu. OFF - password protection inactive. F80 = 0000 - no password 0000...9999 OFF -
F81 Temperature unit °C/°F. °C/°F °C -
F85 Timer current time. - - Hours
F86 Timer zeroing. YES/NO NO -
Others
F87 Timer time setting. After lapse of the time, controller turns off all outputs, turns on the beeper and the display indicates A99 code. 0000...9999 Hours
OFF
You can check the current time of the timer in F85 parameter or reset counting with F86 parameter. OFF - timer function inactive. OFF
F98 Reserved. - - -
F99 Controller test. Disconnect output device to make the test! Otherwise the system can crash. - - -
End Exit.
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