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Electrolux Premium Quick Reference Manual
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Doc. No.: 560001 EGPage:17 Ed.1" 08-2014From ser. no.:rdSet PointOFFONDIRECT FreddoattuatoreDStrd/2 rd/2Sonda virtualeDirectE N G L I S HFig. 7.bFig. 7.a/A2: Configuration of probe 2Used to confi gure the operating mode of probe 2./A2= 0 => probe 2 absent/A2= 1 => product probe (used for display only)/A2= 2 => defrost probe/A2= 3 => condenser probe/A2 = 4 => antifreeze probeIn any case, probe 2 is used for calculating the virtual control probe.Default: /A2= 2 => defrost probe; /A2= 0 on models M and S => probe 2 absent./A3: Configuration of probe 3As above, but relating to probe 3.Important note: the input is enabled for use with a probe only if the parameter corresponding to digital input A4 is set to 0.Default: /A3= 0 => Probe 3/Digital input absent./C1: Calibration or off set for probe 1/C2: Calibration or off set for probe 2/C3: Calibration or off set for probe 3These parameters are used to correct the temperature measured by the probes, using an off set: the value assigned to theseparameters is in fact added to (positive value) or subtracted from (negative value) the temperature measured by the probes. Thetemperature value is corrected by the off set before checking if the reading is out-of-range.Example: to decrease the temperature measured by probe 1 by 2.3 degrees, set /C1= -2.3. The calibration or off set can be setfrom -20 to +20.Warning: if the probe is disabled, the display shows ‘___’. If the probe is faulty, the display shows the corresponding error code.When displaying the parameter, pressing SET shows the value of the corresponding probe already corrected with the off set, whilepressing SET a second time displays the abbreviated code.Default: /C1=/C2=/C3=/C4=/C5=0 no off set.7.2 Temperature control parametersCode Parameter Model UOM Type Min Max Def.St Temperature set point MSYF °C/°F F r1 r2 0.0rd Control delta -SYF °C/°F F 0.1 20 2.0rn Dead band -SYF °C/°F C 0.0 60 4.0rr Reverse diff erential for control with dead band -SYF °C/°F C 0.1 20 2.0r1 Minimum set point allowed MSYF °C/°F C -50 r2 -50r2 Maximum set point allowed MSYF °C/°F C r1 200 60r3 Operating mode -SYF fl ag C 0 2 0r4 Automatic night-time set point variation MSYF °C/°F C -20 20 3.0r5 Enable temperature monitoring MSYF fl ag C 0 1 0rt Temperature monitoring interval MSYF hours F 0 999 -rH Maximum temperature read MSYF °C/°F F - - -rL Minimum temperature read MSYF °C/°F F - -Tab. 7.cSt: set pointEstablishes the set point value used by the controller. Default: St=0.0.rd: Control deltaEstablishes the value of the differential, or hysteresis, used for temperature control. Low values guarantee an ambient temperaturethat deviates only slightly from the set point, but involves frequent starts and stops of the main actuator (normally the compressor).In any case, the compressor can be protected by suitably setting the parameters that limit the number ofactivations/hour and the minimum OFF time (see the C parameters).Note: if control with two compressor steps has been selected (‘H1, H5’=12, 13), the diff erential ‘rd’ is divided between the twosteps.Default: rd =2rn: Dead bandEstablishes the value of the dead band, when the auxiliary output is selected as heating, in control with dead band mode. Thedifferential is in the centre of the dead band. |
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