Specification and Operating Instructions KLTH43 Temperature and
Contents
1. Dependent ON OFF control If rh8 ono and rhO dEP output 3 works as in Independent ON OFF control but output 4 works as follows If ch3 dir output 4 will connect when HS gt Sh1 Sh2 rh2 and will disconnect when HS lt Sh1 Shz2 Humidity Sh1 Sh2 rh2 Sh1 Sh2 Output 4 ON Time If ch3 Inv output 4 will connect when HS lt Sh1 Sh2 rh2 and will disconnect when HS gt Sh1 Shz2 ch1 is the minimum stop time Humidity Sh1 Sh2 Sh1 Sh2 rh2 Output 4 ON e Neutral zone control If rh8 NEu output 3 connects when HS gt Sh1 rh3 and disconnects when HS lt Sh1 while output 4 connects when Hs1 lt Sh1 rh3 and disconnects when HS gt Sh1 Humidity A Sh1 rh3 i sh1 Sh1 rh3 Output 3 ON 4 4 ae i O Output 4 ON m i Ti ime gt e Control with probe errors If reading of humidity probe fails the output 3 works following 10 minutes cycles with a percentage of connection time given by Ch4 Output 4 is carried out in the same way with parameter Ch5 e Humidity alarms If HS gt Sh1 Ah1 the controller will indicate maximum humidity alarm for AHH and the alarm will remain activated until HS lt Sh1 Ah1 Ah0 If HS lt Sh1 Ahz2 the controller will activate minimum humidity alarm for ALH and it will remain activated until HS gt Sh1 Ah2 Aho Program Ah3 to indicate the alar2. Y Supply Voltage 230 230VAC 115 115VAC Z Temp Units C C F F Installation NOTE Unit must be mounted away from vibration impacts water and corrosive gases e Cut hole in panel 131 x 101 mm 5 15 x 3 97 inches e Remove the rear cover to wire the unit e The wiring diagram is shown in the unit label e Apply silicone or rubber gasket around the perimeter of the hole to prevent leakage e Insert the unit in the panel hole e Replace the rear cover e Place removable fitting clips from the back of the until it is secured to the panel Fit the clip in the panel and then press to fit the other side in the unit Temperature Probe 1 Sd1 in terminals 18 17 Temperature Probe 2 Sd2 in terminals 19 17 Humidity Probe SH in terminals 20 21 17 e Note DO NOT INSTALL PROBE CABLES NEAR POWER CABLES Wiring Diagram KLTH43 Temperature and Humidity Controller Specification and Operating Instructions OUT4 OUT3 OUT2 5 e 7 e o rofta r2 r3 r4 OUT1 RX TX GND IN VCC hohe Fefo zopr rg H SUPPLY Sd1 Sd2 SH Technical Data Supply voltages Supply powers Storage temperature Operating temperature Temperature probe Temperature probe range Temperature accuracy Temperature resolution Humidity probe Humidity probe range Humidity accuracy Humidity resolution Displays Outputs Dimensions Front Protection 115 VAC10 230 VAC10 7VA 230V 20 C to 80 C 4 to 176 F
3. 0 C to 70 C 32 to 158 F PTC1000 25 C 1000 Ohm 50 C to 150 C 58 to 302 F Better than 0 5 of full scale 0 1 3 digits 0 1V 0 3V KLSHO3 4 20mA 0 to 100 RH Better than 5 of full scale 1 3 digits 3 digit and sign x2 SPDT relay 250Vac 8A RL 134x105x61mm 5 3x4 1x2 4 in IP65 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 hittp www keld es ETDT10761_090319 List of temperature parameters Description Units Range St1 Temperature set point 1 Degrees rt4 to rt6 St2 Temperature set point 2 Degrees rt5 to rt7 rt0 St1 and St2 dependency Range Ind dEP rt4 Differencial for St1 Degrees 0 1 to 20 0 rt2 Differencial for St2 Degrees 0 1 to 20 0 t3 Band differencial Degrees 0 1 to 20 0 rt4 Minimum value for St1 Degrees 99 9 to rt6 rtS Minimum value for St2 Degrees 99 9 to rt7 rt6 Maximum value for St1 Degrees rt4 to 302 rt7 Maximum value for St2 Degrees rt5 to 302 rt8 Operation mode Range ono rEF nEU dtO Defrosting type Range fRES InV dt1 Max defrosting temperature Degrees 99 9 to 302 dt2 Max defrosting time Minutes 0 to 240 dt3 Defrosting interval time hh mm 0 0 to 18 0 dt4 Defrosting displayed temp Range off on d AtO Alarm differencials Degrees 0 1 to 20 0 At1 Maximum probe 1 alarm Degrees 0 1 to 99 9 At2 Minimum probe 1 alarm Degrees 0 1 to 99 9 At3 Alarm c
4. and DOWN Press SET T to view the value on the display The value can be modified with the UP and DOWN arrows Press SET to enter the value e Repeat until all necessary parameters are modified Press SET and DOWN at the same time to quit programming or wait one minute and the display will automatically exit programming mode The keyboard code can be reset to ZERO by turning off the controller and turning it on again while keeping the SET T key depressed Set default settings Access parameter HO as explained 0 will appear Press SET T or SET H for 8 seconds Pro will appear on the display if the Set Pointis correct and Epr will appear if itis not correct Press SETT DOWN or SETH DOWN to exit or wait 1 minute Temperature control process Independent ON OFF control If t8 ono and rt0 Ind each output is associated to a particular Set If ct2 dir output 1 will connect when TS1 gt St1 rt1 where TS1 is the temperature of probe 1 and will disconnect when TS1 lt St1 Temperature Stt rt1 St1 Output 1 ON Time ct0 is the minimum stop time Once the output is disconnected it is not connected again until ctO minutes later If ct2 Inv output 1 will connect when TS1 lt St1 rt1 and will disconnect when TS1 gt St1 Temperature Probe 1 St1 St1 rt1 l l ly cto pen mi Time Output 1 ON The output 2 is handled in the same manner but
5. controlled by St2 using rt2 as differential ct3 as indicator of direct or reverse connection and ct1 as minimum stop time Dependent ON OFF control If rt8 ono and rt0 dEP output 1 works as in Independent ON OFF control but output 2 works as follows If ct3 dir output 2 will connect when TS1 gt St1 St2 rt2 where TS1 is the temperature of probe 1 and will disconnect when TS1 lt St1 St2 Temperature A Probe 1 St1 St2 rt2 St1 St2 Output 2 ON Time ct1 is the minimum stop time If ct3 Inv output 2 will connect when TS1 lt St1 St2 rt2 and will disconnect when TS1 gt St1 St2 Temperature St1 St2 St1 St2 rt2 Output 2 ON e Cooling control If rt8 rEF the temperature is regulated by output 1 as in ON OFF control while defrosting is triggered by output 2 Three defrosting methods are available 1 Switch off the compressor dt0O re 2 Switch off the compressor and connect a heat resistor to output 2 dt0 re 3 Switch on the compressor and connect an electro valve to output 2 to reverse the cycle dt0 in Defrosting is performed at time periods indicated by dt3 If dt3 is zero no defrosting is performed periodically Defrosting is deactivated when TS2 temperature of probe 2 reaches dt1 value or when the maximum defrosting time dt2 is reached Defrosting can also be activated and deactivated from the keypad pressing the UP arrow for 8 seconds or IR
6. remote control Defrosting can not be activated if a continuous cold cycle is activated unitis in auxiliary adjustment mode TS2 gt dt1 or dt2 0 With dt4 parameter we can choose that during the defrosting and one hour after a message d is displayed until the temperature raises the initial defrosting temperature It is also possible to show the initial temperature during the defrosting or to show the actual temperature all the time e Continuous cold cycle A continuous cold cycle maintains the compressor output 1 in operation for a period of time given by ct6 These cycles are activated from the keypad keeping the DOWN arrow pressed for 8 seconds and end when the time is finished or an order is given from the keypad pressing DOWN for 8 seconds again The cycle will not commence if the unit is in heat control mode or i auxiliary adjusting mode due to memory failure or if defrosting is activated Neutral zone control If rt8 NEu output 1 connects when TS1 gt St1 rt3 and disconnects when TS1 lt St1 while output 2 connects when TS1 lt St1 rt3 and disconnects when TS1 gt St1 Temperature A Probe 1 Stt 3 st St1 rt3 ew Output 1 ON Li mm aa Output 2 ON z gt e Control with probe errors If reading of probe 1 fails the output 1 works following 10 minutes cycles with a percentage of connection time given by Ct4 Output 2 is carried out in th
7. e same way with parameter Ct5 If reading of probe 2 fails the defrosting ends by time e Temperature alarms lf TS1 gt St1 At1 the thermostat will indicate maximum temperature alarm for probe1 Aht and the alarm will remain activated until temperature TS1 lt St1 At1 Ato If TS1 lt St1 At2 the thermostat will activate minimum temperature alarm for probe 1 ALt and it will remain activated until temperature TS1 gt St1 At2 Ato Program At3 to indicate the alarm check time between alarm event and indication of an alarm event The alarm is indicated by a message on the display and activating the alarm output if present alarm can be silenced pressing SETT DOWN keys or CLEAR in the IR remote control Temperature Temperature A Prope A Probe 1 sat PA sae fo sat TAr NN suaza T A l High Alarm oN l a Low Alarm on Se e Probe options Set Pt1 to select if the decimal point is shown or not in the display Set Pt2 to set temperature units Celsius of Fahrenheit If the probe is not placed in the exact point to control use a standard thermometer to determine the offset and set it by Pt0 Set Pt3 to select if 1 or 2 temperature probes are used List of humidity parameters Sh1 Sh2 rho rh1 rh2 rh3 rh4 rh5 rh6 rh7 rhs AhO Ah1 Ah2 Ah3 cho ch1 ch2 ch3 ch4 ch5 PhO Ph1 Ph2 Ph3 Ph4 HO H1 H2 H3 Description Humidty set point 1 Humidty set point 2 S
8. h1 and Sh2 dependency Differencial for Sh1 Differencial for Sh2 Band differencial Minimum value for Sh1 Minimum value for Sh2 Maximum value for Sh1 Maximum value for Sh2 Operation mode Alarm differencial Maximum probe alarm Minimum probe alarm Alarm check time Minimum stop time output 3 Minimum stop time output 4 Operation output 3 Operation output 4 Default operation output 3 Default operation output 4 Hum probe adjustment Decimal point Humidity Probe type Value for 4mA Value for 20mA Set default settings Keypad protection Communication setup Access code to parameters Units RH RH Range RH RH RH RH RH RH RH Range RH RH RH hh mm Minutes Minutes Range Range ON ON RH Option Range RH RH Command Option Numeric Numeric Humidity parameter programming Range rh4 to rh6 rh5 to rh7 Ind dEP 0 1 to 30 0 0 1 to 30 0 0 1 to 30 0 0 to rh6 0 to rh7 rh4 to 100 rh5 to 100 ono nEU 0 1 to 20 0 0 1 to 99 9 0 1 to 99 9 0 0 to 18 0 0 to 240 0 to 240 Dir Inv Dir Inv 0 to 100 0 to 100 20 to 20 no yES 1V 3V 420 0 0 to 100 0 0 to 100 NO YES 0 to 999 0 to 999 Follow the same steps as when adjusting temperature parameters but using the SET H key Humidity control process Independent ON OFF control If rh8 ono and rhO Ind each output is associated to a particular Set If ch2 dir output 3 will connect when HS gt Sh1 rh1 where HS is the humidity measured a
9. heck time hh mm 0 0 to 18 0 ct0 Minimum stop time output 1 Minutes 0 to 240 ct1 Minimum stop time output 2 Minutes 0 to 240 ct2 Operation output 1 Range Dir Inv ct3 Operation output 2 Range Dir Inv ct4 Default operation output 1 ON 0 to 100 ct5 Default operation output 2 ON 0 to 100 ct6 Continuous cycle time Minutes 0 to 240 PtO Temp probe adjustment Degrees 20 0 to 20 0 Pt1 Decimal point Option no yES Pt2 Temperature units Range C F Pt3 Number of temp probes Range 1 2 HO Set default settings Command H1 Keypad protection Option no yES H2 Communication setup Numeric 0 to 999 H3 Access code to parameters Numeric 0 to 999 Temperature parameter programming Set Points St1 St2 are the only parameters the user can access without code protection Press SET T Current value of St1 appears flashing and led OUT 1 flashes The value can be modified with the UP and DOWN arrows Press SET again to confirm St1 Current value of St2 appears flashing and led OUT 2 flashes The value can be modified with the UP and DOWN arrows Press SET to enter St2 value and exit Access to all code protected parameters Press SET T for 8 secs The access code value 0 is shown on the display unit comes with code set at 0 from factory e Select the correct code with the UP and DOWN arrows Press SET T to enter the code If the code is correct the first parameter label is shown on the display St1 e Move to the desired parameter with the UP
10. m check time between alarm event and indication of an alarm event The alarm is indicated by a message on the display and activating the alarm output if present alarm can be silenced pressing UP DOWN keys or CLEAR in the IR remote control Humidity Humidity A Sh1 Ah2 a Sh1 Ah2 Ah0 T a O oe l Low Alarm ON L Sh1 Ah1 Sh1 Ah1 Ahi High Alarm O e Probe options If the probe is not placed in the exact point to control use a standard hygrometer to determine the offset and set it by PhO Set Ph1 to select if the decimal point is shown or not in the display Set Ph2 to set the probe type 0 1V CRPHO3 or 4 20mA If a 4 20mA probe is used use Ph3 to set the humidity value for 4mA and Ph 4 to set the value for 20mA General parameters H1 H2 H3 are general parameters that can be accessed from both temperature and humidity parameters Setting H1 to yES the set points St1 St2 Sh1 Sh2 cannot be changed To unblock this protection press SET T or SET H for 8 seconds and introduce the code in the same way as is done when entering parameters H2 sets the communication address for the controller H3 sets the access code to parameters Led indication and display messages The four OUT leds indicate the of the four outputs when the correspondent led is ON the output is connected and when the led is OFF the output is disconnected In normal operation the left display will show the temperature measu
11. nd will disconnect when HS lt Sh1 Humidity Shi rh1 Sh1 Output 3 ON Time ch0 is the minimum stop time Once the output is disconnected it is not connected again until chO minutes later If ch2 Inv output 3 will connect when HS lt Sh1 rh1 and will disconnect when HS gt Sh1 Humidity Sh1 Sh1 rh1 Output 3 ON at Time The output 4 is handled in the same manner but controlled by Sh2 using rh2 as differential ch3 as indicator of direct or reverse connection and ch1 as minimum stop time
12. red by probe 1 and the right display the relative humidity In order to display the temperature measured by probe 2 press SET T UP keys In case of alarm or error the following messages can be shown e Err Memory reading error e ErP Error in the temperature probe 2 AHt High temperature alarm probe 1 ALt Low temperature alarm probe 1 AHh High humidity alarm ALh Low humidity alarm 000 Open Probe Error Short Circuit Probe Error Maintenance cleaning and repair After final installation of the unit no routine maintenance is required Clean the surface of the display controller with a soft and damp cloth Never use abrasive detergents petrol alcohol or solvents All repairs must be made by authorised personnel Electronica Keld S L Pol Ind 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 ETDT10761_090319 CET q Description The KLTH43 is a temperature and humidity digital controller The temperature control can be ON OFF neutral zone and refrigeration modes It is possible to set a second temperature probe for defrosting control Humidity control can be ON OFF and neutral zone modes The humidity probe can be 0 1V 0 3V KLSHO3 and 4 20mAtypes Model references The model reference is given by KLTH43 YZ Each sufix can take the following values
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