dixell CoolMate XLR170C Kurulum ve İşletim Talimatları - Sayfa 5
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The defrost interval is controlled by means of parameter "EdF":
with EdF=in the defrost is made every "IdF" time,
-
with EdF=Sd the interval "IdF" is calculate through Smart Defrost algorithm (the counter is increased only when the compressor is ON).
-
with real time clock present EdF can be set to "rtc". In this case, the defrost is made in real time depending on the hours set in the parameters
-
Ld1..Ld8 on workdays and in Sd1...Sd8 in holidays;
At the end of defrost the drip time is controlled through the "Fdt" parameter.
3.4 CONTROL OF EVAPORATOR FANS (XLR170 OR XLR130 WITH OA1=FAN)
The fan control mode is selected by means of the "FnC" parameter:
C-n fans will switch ON and OFF with the compressor and not run during defrost;
C-y fans will switch ON and OFF with the compressor, also during defrost
After defrost, there is a timed fan delay allowing for drip time, set by means of the "Fnd" parameter.
O-n fans will run continuously and not run during defrost;
O-y fans will run continuously also during defrost
An additional parameter "FSt" provides the setting of temperature, detected by the evaporator probe, above which the fans are always OFF. This can
be used to make sure circulation of air only if his temperature is lower than set in "FSt".
3.5 AUXILIARY OUTPUT CONFIGURATION - TERM. 15-16, PAR. OA1
The functioning of the auxiliary relay (terminals. 15-16) can be set by the oA1 parameter, according to the kind of application. In the following
paragraph the possible setting:
3.5.1 XLR130: forced air application, normal temperature -oA1= Fan
Parameters involved:
- FnC
Fan operating mode; -
- FSt
Fan stop temperature; -
With this setting the auxiliary relay works as fan relay. See par. 3.4 "Control of evaporator fans".
NOTE: if FAP = nP (no probe), the relay will be activated according to the setting of FnC parameter independently from the temperature of
evaporator.
3.5.2 Auxiliary relay - oA1= AUS
With oA1=AUS, two kinds of working are available.
A.
The AUX relay is activated only by keyboard
Set oA1 =AUS and ArP= nP (no probe for auxiliary output).
In this case the relay 15-16 can be activated only by pushing the AUX button of the keyboard.
B.
Auxiliary thermostat (I.E.. anti condensing heater) with the possibility of switching it on and off also by keyboard
Parameters involved:
- ACH
Kind of regulation for the auxiliary relay: heating /cooling;
- SAA
Set point for auxiliary relay
- ArP
Probe for auxiliary relay
By means of these 3 parameters the functioning of the auxiliary relay can be set.. The differential is given by the Hy parameter.
The auxiliary relay can be switched on also by the AUX button. In this case it remains on till it's manually switched off.
The defrost doesn't affect the status of auxiliary relay.
3.5.3 on/off relay - oA1 = onF
In this case the relay is activated when the controller is turned on and de-activated when the controller is turned off..
3.5.4 XLR170: Second defrost relay for applications with 2 evaporators – oA1 = dF2
Parameters involved:
- dtS
end defrost temperature for second defrost relay;
- MdS
maximum defrost duration for second defrost relay;
- dSP
probe selection for second defrost
With 2 evaporators the regulation restarts when both the defrosts are finished.
3.5.5 Second compressor – oA1 = cP2
In this case the controller can manage 2 compressors or a 2 step compressor.
Functioning: the 2
compressor is activated after the fist compressor with a delay set in the Ac1 parameter (seconds). Both compressor are
nd
turned off at the same time.
If cco=AL compressors are switched on by turn.
Parameters involved:
- cco
Compressor activation: type of sequence: by turn or in sequence;
- Ac1
Second compressor activation delay (seconds).
1592017000 XLR 130-170 GB r2.0 23.03.2015
Fnd
Fan delay after a defrost
FAP
Probe for fan management
XL130 - XLR170
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