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Operating Instructions 

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1592017410

1592017410

1592017410    

 

1592017410  XLH360 GB r1.0  15.04.2005.doc 

XLH360 

3/16 

1.

 

GENERAL WARNING 

1.1

 

PLEASE READ BEFORE USING THIS MANUAL 

 

This manual is part of the product and should be kept near the instrument for easy and quick reference. 

 

The instrument shall not be used for purposes different from those described hereunder. It cannot be used as a safety device. 

 

Check the application limits before proceeding. 

1.2

 

 SAFETY PRECAUTIONS 

 

Check the supply voltage is correct before connecting the instrument. 

 

Do  not  expose  to  water  or  moisture:  use  the  controller  only  within  the  operating  limits  avoiding  sudden  temperature  changes  with  high 
atmospheric humidity to prevent  formation of condensation 

 

Warning: disconnect all electrical connections before any kind of maintenance. 

 

Fit the probe where it is not accessible by the End User. The instrument must not be opened. 

 

In case of failure or faulty operation send the instrument back to the distributor or to “Dixell s.r.l.” (see address) with a detailed description of the 
fault. 

 

Consider the maximum current which can be applied to each relay (see Technical Data). 

 

Ensure that the wires for probes, loads and the power supply are separated and far enough from each other, without crossing or intertwining. 

 

In case of applications in industrial environments, the use of mains filters (our mod. FT1) in parallel with inductive loads could be useful. 

2.

 

GENERAL DESCRIPTION 

The 

XLH360

 is microprocessor controller, suitable for applications on medium or low temperature refrigerating units. It has 6 output relays to control 

compressor, heating elements, defrost/extractor fan, fan, de-humidifier/light and humidifier. It has 2 NTC inputs one for thermostat the other one for 
defrost. It’s also present a 4÷20mA input for humidity. There is one digital input (free contact) configurable by parameter. An  output allows the user 
to program the parameter list with the 

“Hot Key”.

 

3.

 

TEMPERATURE REGULATION 

The temperature regulation is performed through neutral zone using compressor and heater output relays. 

Set point

OFF

ON

 

• 

Heating

 output: CUT IN is “SET TEMP-dbt”, CUT OUT is when the temperature reaches the set point. 

• 

Compressor

 output CUT IN is “ SET TEMP +dbt”, CUT OUT is when the temperature reaches the set point. 

3.1

 

DEFROST  

During defrost the temperature control is disabled. 

 

If the second relay is configured as defrost: oA2=dEF

 then two defrost modes are available through the “

tdF

” parameter: defrost with electrical 

heater  (tdF=rE)  or  hot  gas  (tdF=  in).  The  defrost  interval  is  control  by  means  of  parameter  “

EdF

”: (EdF=in) the defrost is made every “

IdF

” time, 

(EdF=Sd)  the interval “IdF” is calculate through Smart Defrost algorithm (only when the compressor is ON). At the end of defrost dripping time is 
started, set by “

Fdt

” parameter. To 

disable 

the defrost set the 

MdF

 parameter to 

zero

 

 

If  oA2 is different from dEF, defrost is made only by stopping compressor  (tdF=rE). 
To disable 

 defrosts set 

MdF=0. 

 

Humidity regulation during defrost depends on the 

Hud 

parameter. 

With  

Hud=no

 humidity regulation is disabled.  

Con 

Hud=yES

 humidity regulation is performed also during defrost. 

 

4.

 

HUMIDITY REGULATION 

The humidity regulation is performed through neutral zone, by humidifying dehumidifying actions. 
Humidity control can be disabled setting the 

SET %RH to “nu”

 value. In this case only the temperature control is perform. 

4.1

 

HUMIDIFYING ACTION 

The humidifying action is done enabling the humidifier relay when the humidity is lower than the “SET %RH-dbH” value. 
The relay is switch off when humidity reaches the set values. 

Summary of Contents for 1592017410

Page 1: ...d 1592017410 1592017410 1592017410 1592017410 1592017410 XLH360 GB r1 0 15 04 2005 doc XLH360 1 16 Temperature and humidity controller for seasoning maturing cabinets XLH360 XLH360 XLH360 XLH360 C C C COOL OOL OOL OOL M M M MATE ATE ATE ATE Operating Instructions ...

Page 2: ... DRIPPING RUNNING AND STOPPING PHASE _______________ 4 8 THE DISPLAY________________________________________________________________ 6 9 PARAMETER LIST ____________________________________________________________ 8 10 DIGITAL INPUT______________________________________________________________ 10 11 INSTALLATION AND MOUNTING _______________________________________________ 11 12 DIMENSIONS _________...

Page 3: ... humidifier light and humidifier It has 2 NTC inputs one for thermostat the other one for defrost It s also present a 4 20mA input for humidity There is one digital input free contact configurable by parameter An output allows the user to program the parameter list with the Hot Key 3 TEMPERATURE REGULATION The temperature regulation is performed through neutral zone using compressor and heater out...

Page 4: ...parameter tHu db the de humidifying action is performed by enabling the de humidifier relay when the humidity is higher than SET RH dbH The relay is switch off when humidity comes back to the SET RH value 4 3 2 Dehumidifying action with de humidifier and compressor relays By setting the parameter tHu cHu the de humidifying action is performed by enabling the de humidifier and compressor relays tog...

Page 5: ... again the CLOCK key and pass to the humidity display 7 2 HOW TO SET THE TARGET HUMIDITY OF THE RUNNING CYCLE 1 Push the SET RH key the display shows on the bottom display the SH1 message while the set icon starts flashing 2 Push again the SET RH the humidity set point of the running phase is shown Set it using the UP and DOWN keys To disable the humidity control during the freezing phase set it t...

Page 6: ...es the displayed value If oA2 ESt hold it pressed for 3s to start a extraction cycle To start a manual defrost hold it pressed for at least 3s In programming mode it browses the parameter codes or decreases the displayed value Switch ON and OFF the light if present oA1 lig Start to start the cycle Clock to set the duration of the dripping dri running on and stopping off phases Switch ON and OFF th...

Page 7: ...3 To memorise the new set point value push the SET key again or wait 10s 8 3 TO START A MANUAL DEFROST 1 Push the DEF key for more than 2 seconds and a manual defrost will start 8 4 TO START A EXTRACTION CYCLE MANUALLY Hold pushed the UP key for more than 2 sec To stop manually the cycle when the cycle is running hold pushed the UP key for more than 2 sec 8 5 TO ENTER IN PARAMETERS LIST PR1 To ent...

Page 8: ... is reached dbH half dead band width for humidity 0 5 25 5RH this band is place below and above the humidity set point SET RH The dehumidifying action is enabled when the humidity increases and reaches the SET RH dbH value It is stopped when it comes back to the SET RH The humidifying output is enabled when humidity is less than SET RH dbH value and disabled when the SET RH is reached LS Minimum t...

Page 9: ...erature is reached and after the ALd delay time the LA alarm is enabled ALU High temperature alarm setting ALC rE 0 50 C or 90 F ALC Ab ALL 110 C or 230 F when this temperature is reached and after the ALd delay time the HA alarm is enabled ALH Temperature alarm recovery differential 0 1 25 5 C 1 45 F Intervention differential for recovery of temperature alarm ALd Temperature alarm delay 0 255 min...

Page 10: ...sing system AdH RS485 serial address for humidity loads 0 247 identifies the instrument within a control or supervising system Ptb Parameter table read only it shows the original code of the dIXEL parameter map rEL Software release read only Software version of the microprocessor Prd Probes display read only display the temperature values of the evaporator probe Pb2 Pr2 Access to the protected par...

Page 11: ...osing the contact OP the digital input is activated by opening the contact 11 INSTALLATION AND MOUNTING The temperature range allowed for correct operation is 0 60 C Avoid places subject to strong vibrations corrosive gases excessive dirt or humidity The same recommendations apply to probes Let the air circulate by the cooling holes Thanks to the case XLH360 See the following instructions for deta...

Page 12: ...the proper holes for cablepresses or pipepresses using the centres signed in the bottom cover of the Cool Mate Fig 3 H I Then make 3 holes in the wall as indicated in Fig 3 L M N to fix the Cool Mate 4 Fix the cablepresses and the pipepresses 5 Insert the wall nugs contained in the kit into the holes made in the wall Then use the o rings and fix the back part of the Cool Mate Fig 3 L M N by means ...

Page 13: ...ables make sure the power supply complies with the instrument s requirements Separate the probe cables from the power supply cables from the outputs and the power connections Do not exceed the maximum current allowed on each relay in case of heavier loads use a suitable external relay 13 1 PROBE CONNECTIONS The probes shall be mounted with the bulb upwards to prevent damages due to casual liquid i...

Page 14: ...k connections before replacing the probe Temperature alarms HA and LA automatically stop as soon as the thermostat temperature returns to normal values or when the defrost starts Humidity alarms HHA and LHA automatically stop as soon as the humidity returns to normal values Door switch alarm dA stop as soon as the door is closed External alarms EAL BAL stop as soon as the external digital input is...

Page 15: ...m humidity set point limit Set H uci cF C Pr2 Measurement unit C F rES dE Pr2 Resolution for C in integer dE decimal rEH Hd Pr2 Resolution for RH in integer Hd half digit trC co Pr2 Instrument behaviour at the end of the cycle co start holding in stop regulation cL restart the first phase End message cLE restart the first phase tdF rE Pr2 Defrost type rE rT in EdF in Pr2 Defrost mode In Sd SdF 0 0...

Page 16: ...tor probe calibration 12 0 12 0 o3 0 0 Pr1 Humidity probe calibration 10 10 P2P YES Pr2 Evaporator probe presence no absent YES present P3P YES Pr2 Humidity probe presence no absent YES present Lci 0 0 Pr2 Readout with 4 mA 999 999 uci 100 Pr2 Readout with 20 mA 999 999 i1P cL Pr2 Configurable digital input polarity cL open oP close i2P cL Pr2 Door switch digital input polarity cL open oP close i1...

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