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1. Alarm exclusion time after defrosting During the defrosting and this time after it temperature alarms will be ignored A5 Alarm exclusion time after opening the door While the door is open if A5 gt 0 and time A5 after closing it alarms will be ignored A6 Alarm exclusion after connection Until this time has elapsed since the connection temperature alarms will be ignored A7 Temperature alarm time validation Time since the alarm situation occurs until itis given A8 Probe Alarm sd1 ambient probe sd2 defrosting probe sd3 product probe INICIALIZATION INI Hor Hour Min Minutes E0 Digital input configuration Off Digital input disabled Al External alarm There is an alarm if input is short circuited In Door open if inputis short circuited def Order to initiate a defrost if input is short circuited ndf No defrosting will be made if input is short circuited H0 Factory Configuration Record Factory Configuration H1 Master Slave H1 Master The thermostat issues defrosting orders to slave connected thermostats through the digital input H1 Slave The thermostat performs defrosting ordered by the master connected to its digital input In both cases the input must be Eo def H2 Keyboard protection Yes Keyboard protected To modify Set activate de activate defrosting and activate de activate continuous cycle we have to enter the code and then quit The protection is romeved momentarily It is a
2. F0 FO Fan temperature limit Fan OFF on regulation when probe temperature setup in d12 is gt FO Fan ON on regulation when temperature is lt FO A0 The operation of the fan on regulation is determined also by r6 F1 Fan stop if door opened No The fan does not stop on regulation and continuous cycle when opening the door Yes The fan stops on regulation and continuous cycle when opening the door c0 Minimum compressor stop time Minimum time since compressor stops until itis starts again c1 Continuous cycle time Duration of a continuous cold cycle c2 ON time of fault cycle when ambient probe is broken c3 OFF time of fault cycle when ambient probe is broken c4 Minimum time of working of the compressor Minimum time since compressor starts until it stops c5 Minimum time between two connections of the compressor Minimum time since compressor starts until it starts again c6 Delay Time 2 Compressor Time since compressor 1 is connected until compressor 2 is connected if it is necessary to connect it and if H7 Com
3. record a standard configuration Access to parameter HO as explained in Parameter programming Choose desired configuration For series KLT13l Dx HO is set to 0 For series KLT23I Dx HO is set to 1 For series KLT33l Dx HO is set to 2 For series KLT33l Dx HO is set to 3 Press SET for 8 seconds and the thermostat will be reset Press SET DOWN to quit or wait for 1 minute keyboard timeout Manual Defrost Pressing UP key for 8 seconds defrost is activated Repeating the operation is deactivated Continuous cold cycle Pressing DOWN key for 8 seconds a continuous cold cycle begins Repeating the operation the cycle finalizes Setting keyboard code to zero The keyboard code can be programmed to zero by turning off the controller and turning it on again while the key SET is pressed Alarm validation An active alarm can be validated the alarm output will be turned off pressing the SET and DOWN keys simultaneously Led Indications Out It indicates Compresor connected It blinks when a continuous cold cycle has to be initiated and has to wait until the minimum compressor stoppage time is over Def Itindicates defrosting is activated Fan It indicates ventilator is connected Alarm It indicates an error or alarm It blinks when the alarm is validated by the user Display Messages In normal operation the probe temperature selected by P5 will be displayed The following messages can also appear Err Memo
4. thermostat through this input with a communication module List of parameters Units Range Set Set point Degrees r1 to r2 3 0 r0 Differential or hysteresis Degrees 0 1 to 20 1 0 r1 Minimum value for set point Degrees 99 9 to r2 50 0 r2 Maximum value for set point Degrees r1 to 302 150 r6 Fan operation Range off on con con FO Fan stoppage temperature Degrees 99 9 to 302 28 0 F1 Fan works with door open Option no yes yes c0 Minimum compressor stoppage Minutes 0 to 240 1 time c1 Continous cycle time h m 0 0 to 18 1 0 c2 ON time of fault cycle Minutes 0 to 999 5 c3 OFF time of fault cycle Minutes 0 to 999 5 c4 Minimum ON time Minutes 0 to 240 0 of the compressor c5 Minimum time between two Minutes 0 to 240 1 connections of the compressor c6 Delay time for second compresor Minutes 0 to 240 30 dEF Description Units Range Factory d0 Type of defrosting Range re in re di Temperature at which defrosting Degrees 99 9to302 80 0 will stop d2 Maximum defrosting time Minutes 0 to 240 30 d3 First Hour of Day for Defrosting h m 00 0 to 18 0 00 0 d4 Delay of first defrosting Minutes 0 to 999 0 d5 Display on defrosting Range off on d d6 Display return limit Minutes 0 to 240 15 d7 Compressor drip time Minutes 0 to 240 0 d8 Interval between defrostings h m 00 0to18 0 8 0 d9 Fanworks on defrosting Range no yes no d10 Fan drip time Minutes 0 to 240 0 di1 Minimun Defrosting time Minutes 0 to 240 0 di2 Fan defrosting control probe Range
5. 429 099 Fax 34 976 593 532 E mail keld keld es Web hittp www keld es ETDT14121_ 090318 Front Operation Set Point Setup Press key SET The Setlabel appears Press SET again Current set point value appears blinking Press UP or DOWN to increase or decrease the value Press SET to confirm the new value Press SET and DOWN to exit Time pogramming Press key SET The Set label appears Press UP or DOWN to go to Hour or Minute Press SET to see the value With UP and DOWN set the desired new value Press SET for 8 seconds Pro will appear on the display once the time has been correctly programmed Press SET DOWN to quit or wait for 1 minute keyboard timeout Parameter programming The parameters are grouped in the menus COM DEF PRO ALA INI Press SET for 8 seconds Value 00 appears blinking Set the code with UP and DOWN itis set to 00 from factory Press SET to confirm the code If it is right the label of the first menu will appear With UP and DOWN goto the desired menu Press SET the label of the first parameter of menu will appear With UP and DOWN go to the desired parameter label of the list of parameters Press SET to see the value With UP and DOWN set the desired new value Press SET to confirm it and exit to the parameter label Press SET DOWN to go to menu list Press SET DOWN to quit programming or wait 1 minute keyboard timeout To
6. Parameter description continuation Defrosting DEF d0 Type of defrosting re defrosting without connecting the compressor in defrosting by connecting the compressor d1 End of defrosting temperature When this temperature is reached the defrosting will end d2 Maximum defrosting time The defrosting will stop when this time is reached If itis zero there will be no defrosting d3 first Hour defrosting of the day From 00 00 hours the first defrosting is at d3 hours Until this time no defrosting is performed d4 Delay first defrosting Time to carry out the first defrosting if d3 yes d5 Display during the defrosting Off The curren temperature will be shown during defrosting On The temperature at defrost beginning is frozen on display until the end of defrosting and until the current temperature is equal or lower than the initial one or until d6 time elapses def Label d is displayed during defrosting until the end of defrosting and until the current temperature is equal or lower than the initial one or until d6 time elapses d6 Display return limit Maximum time before viewing the current temperature again after defrosting d7 Compressor drip time Time since defrosting ends until the compressor can be connected d8 Interval between defrosting Time between the start of a defrosting and the start of the following one If itis zero defrosting is not done automatically by time d9 Fan operation during d
7. chronize the defrost between different thermostats Errors and alarms can be viewed on display HACCP option can record temperature time of temperature alarms and power fails The Slink multifunction input allows an easy programming of the parameters with a KLKEY the connection of a Real Time Clock and Memoery Module or the connection of a R485 Module Interface Model references The model reference is given by KLTX3I DVYZ Each sufix can take the following values V Color Y Supply Voltage R Red G Green B Blue 230 230Vac 115 115Vac 24 24Vac dc 12 12Vac dc Z Temp Units GC F F Installation The thermostat must be located in a place protected from vibrations impacts water and corrosive gases It will be made a 71x29mm panel cut out to insert the thermostat apply silicone to make it leaktight Then the fixing clips must be fasten sliding it onto the thermostat until it is well secure Do not force the screw tightening if the U brackets are used Wiring Avoid installing the cables of the probes and the digital input in the proximity of any power cable If the lenght of the probe cables measure is longer than 100 metres a re calibration adjustment must be made P1 P2 6P3 Maintenance Cleaning Clean the surface of the controller with a soft damp cloth Never use abrasive detergents petrol alcohol or solvents Repairs All the repairs must be carried out by authorised people KLTX3 Temperature Controll
8. ctivated again 1 minute after the last key is pressed No Keyboard not protected H3 Delay time on connecting Until this time has elapsed since turning on power the compressor will not start up H4 Address for serial communication H5 Input code to parameters This code is set to 00 from factory H6 Type of Probe PTC or NTC H7 Configuration 2 Relay and H8 Configuration Relay 3 We can choose that it is Light Lin Fan Fan Alarm ALA or Defrosting dEF H9 Configuration Relay 4 Single KLT43 We can choose that it is Light Lih Fan Fan Alarm ALA Defrosting dEF or second compressor Con HdE Hours HdE Minutes MdE the defrost will begin at MdE Hours HdE Minutes MdE the defrost will begin at Electronica Keld S L Pol lnd Empresarium C Lentisco 15 50720 La Cartuja Baja ZARAGOZA Spain Phone 34 976 429 099 Fax 34 976 593 532 E mail keld keld es Web http www keld es ETDT14121_090318 x a a Description The KLT131 KLT231 KLT331 and KLT43I series are electronic temperature controllers for cold refrigeration units These devices allow to control the Compresor Defrost Fan Alarm and Light and have up to 3 probes The KLT43lI series includes the possibility of two compressors NTC or PTC probes can be selected by parameter They have also a configurable digital input according to parameter EO These thermostats allow the Master Slave configuration to syn
9. d the second compressor stops and the first one continues The second will be stopped when Sd1 lt Set Nevertheless if before stopping the first compressor Sd1 gt Set rO the second compressor starts running again HACCP If this option is activated the thermostat registers up to 5 alarms of the types Hight Low and blackout These alarms can be seen in the menu Registry of Alarms HAC To acced to this menu proceed as for the parameters menu The first value that appears is the number of registered alarms Afterwards for each alarm if it has existed the value of the temperature and the time of the alarm For the disconnection alarm the temperature when returning the connection is registered as well as the time until the correct values are reached Probe lt Set A1 A0 When the elapsed time is showed it will appear xxd days Pressing UP xxH Hours will be shown and pressing UP again xxn Minutes will be displayed When located over a temperature of alarm or time pressing UP DOWN during 2 seconds both recorded data of the alarm time and temperature value are deleted In the Ald menu and pressing UP DOWN keys during 2 seconds all the recorded data of alarms are deleted SLINK In this input we can connect a programming key to read or to write the parameters We can also connect a clock module so that the hour of the thermostat goes with a realtime clock If we manage the system with a PC we can connect it to the
10. efrosting time It determines if the fan is connected or not during defrosting d10 Fan drip time Time since defrosting ends until fan can be connected d11 Minimum Time duration defrosting Once defrosting begins it stays at least during this time d12 Fan amp defrosting control probe sd1 ambient probe sd2 defrosting probe sd3 product probe d14 Units to count the defrosting cyle rt according to the time of working of the controller ct according to the time of working of the compressor PROBES Pro P0 C or F Temperature scale P1 Ambient probe calibration Degrees shift of the ambient probe P2 Defrosting probe calibration Degrees shift of the defrosting probe P3 Product probe calibration Degrees shift of the product probe P4 Decimal point P5 Probe to be viewed normally on the display sd1 ambient probe sd2 defrosting probe sd3 product probe P6 Probe 2 Defrosting present If there is a probe 2 conected to thermostat P7 Probe3 Product present If there is a probe 3 conected to thermostat ALARMS ALA A0 Fan amp alarm differential This is the temperature difference between the on and off cycle of the alarms and fan A1 Maximum alarm High alarm ON at Set A1 High alarm OFF at Set A1 A0 A2 Minimum alarm Low alarm ON at Set A2 Low alarm OFF at Set A2 A0 A3 Alarm exclusion time after continuous cycle During the continuous cycle and this time after it temperature alarms will be ignored A4
11. ers CGTD Specification and Operating Instructions KLT43 nE IILS m sd1 sd2 sd3 gnd i Rel1 230Vac Wiring Diagram KLT13 KLT23 KLT33 SLINK n gnd Rel3 G amb def pro in 1 2 3 4 5 NNNQ Rel2 Rel Com Rel3 230Vac Rel4 Rel2 Technical Data Supply voltages 115Vac 10 230Vact 10 12Vac dc 10 24Vac dc 10 Supply powers 3 6VA 230V 1 5VA 12V Storage temperature Operating temperature Temperature Probe range 20 C to 80 C 4 to 176 F 0 C to 65 C 32 to 149 F probe PTC NTC PTC 50 C to 150 C 58 to 302 F NTC 50 C to 110 C 58 to 230 F Temperature accuracy Better than 1 of full scale Temperature resolution 0 1 PTC 1 NTC Displays 3 digit and sign SLINK For KLKEY or Real Time Clock and Memory Module or Communication Module Outputs KLT43 Model REL 1 SPDT Rel Carga Resistiva 16A 1HP 240Vac 10FLA 6OLRA 240Vac REL 4 SPDT Rel Carga Resistiva 16A 1HP 240Vac 10FLA 6OLRA 240Vac REL 2 SPST Rel Carga Resistiva 8A 240Vac REL 3 SPDT Rel Carga Resistiva 8A 240Vac KLT13 KLT23 KLT33 Models REL 1 SPST Rel Carga Resistiva 16A 1HP 240Vac 10FLA 6OLRA 240Vac REL 2 SPST relay resistive load 5A 240Vac REL 3 SPST Rel Carga Resistiva 8A 240Vac Dimensions 77 X 36 x 62 mm 3 03 x 1 42 x 2 44 in Front Protection IP64 Electronica Keld S L Pol lnd Empresarium C Lentisco 15 50720 La Cartuja Baja ZARAGOZA Spain Phone 34 976
12. etup Option Lit FAn ALA dEF dEF H8 Relay 3 Setup Option Lit FAn ALA dEF dEF H9 Relay 4 Setup Option Lit FAn ALA dEF Con Con H10 HACCP Activated Option no yes no HdE Next defrost Time Hours only read MdE Next defrost Time Minutes only read ON OFF Thermostat Pressing the keys SET DOWN for 8 seconds the thermostat will turn on or turn off ON OFF Light If we have a relay setup as light pressing keys UP DOWN for 3 seconds the thermostat will turn on or turn off the light Defrosting Cycles The cycles of defrosting can be performed counting total time d14 rt or counting the time only when the compressor is connected d14 ct First defrosting will be always made at the hour d3 And the others with the cycle given by d8 Hour Minutes Parameters H M It is a way to show hours and minutes in 3 digits The two first digits are the hours and the third the tens of minutes E g 2 4 2 hours 40 minutes 8 0 8 hours 0 minutes 10 3 10 hours 30 minutes Parameter description COMPRESSOR con SET Work set point Temperature we wish to maintain the machine Variable between r1 and r2 r0 Differential When ambient probe temperature gt Set rO Compresor ON When ambient probe temperature lt Set Compresor OFF r6 Fan operation on regulation Off Fan does not connect on regulation On Fan is always connected on regulation Con Fan linked to compressor start up Fan ON if allowed by the temperature given by
13. ry reading error ErP1 ErP2 ErP3 Probe1 2o0r3 error Eri Internal parameter error In this case enter the standard configuration as itis indicated in To record a standard configuration ALH High temperature alarm ALL Low temperature alarm ALE Externalalarm AEH High temperature and external alarm AEL Low temperature and external alarm 000 Open probe Short circuited probe DON Defrosting activated DOF Defrosting de activated or cannot be done CON Continuous cold cycle activated COF Continuous cold cycle de activated or cannot be done d Thermostat on defrosting To view the probe not chosen by P5 press SET UP The display blinks when there is an error recording a parameter in memory or when awaiting confirmation of a value Operation in Error Case If the ambient probe fails the thermostat will connect the compressor according to parameters c2 and c3 being able to perform defrosting and continuous cold cycles If the memory fails the thermostat will connect the compressor ON for 5 minutes and OFF for 5 minutes not being able to perform defrosting or continuous cold cycles Two Compressors Operation In this case when the thermostat demands cold Sd1 gt Set rO the first compressor to be connected is the compressor with less running hours and after c6 seconds the second compressor is also connected When the thermostat begins to cool and Sd1 lt Set tr0 2 is reache
14. sd1 sd2 sd3 sd2 d14 Units to count the defrosting Option rt ct rt Cycle Pro Description Units Range Factory PO Temperature scale Option CEE C P1 Ambient probe 1 calibration Degrees 20 0 to 20 0 0 0 P2 Defrosting probe 2 calibration Degrees 20 0 to 20 0 0 0 P3 Product probe 3 calibration Degrees 20 0 to 20 0 0 0 P4 Decimal point Option no yes no P5 Probe to display Range sd1 sd2 sd3 sd1 P6 Probe 2 present Option no yes yes P7 Probe 3 present Option no yes no ALA Description Units Range Factory A0 Fan and alarm differential Degrees 0 1 to 20 0 4 0 A1 Maximum alarm temperature 1 Degrees 0 1 to 99 9 8 0 A2 Minimum alarm temperature 1 Degrees 0 1 to 99 9 8 0 A3 Time without alarm h m 0 0 to 18 0 1 1 after continous cycle A4 Time without alarm after h m 0 0 to 18 0 41 defrosting A5 Time without alarm after h m 0 0 to 18 0 1 1 opening the door A6 Time without alarm h m 0 0 to 18 0 1 1 after connection A7 Alarm verification time h m 0 0 to 18 0 1 1 A8 Probe for alarm Range sd1 sd2 sd3 sd1 Ini Description Units Range Factory Hor Hour Hours 0 23 0 Min Minutes Minutes 00 59 0 E0 Configure digital input Range _ off Al In def def HO Factory Settings Range 0to3 H1 Master Slave Range Mst Slv MSt H2 Keypad protection Option no yes no H3 Delay time on connecting Seconds 0 to 240 0 H4 Address for serial communication Numeric 0 to 999 0 H5 Keyboard code Numeric 0 to 999 0 H6 Type of probe Option ptc nte ptc H7 Relay 2 S

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