User Manual
Contents
1. SP2 A2 SP2 A2 A0 A6 Alarm probe 1 selection AHL Maximun and minimun alarm probe 1 enabled Ano No alarms probe 1 AH Maximun alarm probe 1 enabled AL Minimun alarm probe 1 enabled A7 Alarm probe 2 selection AHL Maximun and minimun alarm probe 2 enabled Ano No alarms probe 2 AH Maximun alarm probe 2 enabled AL Minimun alarm probe 2 enabled c0 Minimum relay stop time Minimun time from the disconnection of a relay till it can be switched on again c1 Operation relay 1 Selection between direct or reverse operation for relay 1 c2 Operation relay 2 Selection between direct or reverse operation for relay 2 c3 Default operation relay 1 In case of failure of probe 1 oPn relay 1 will remain open Clo relay 1 will remain closed c4 Default operation relay 2 In case of failure of probe 1 for all modes excepting ONOFF2 or in case of failure of probe 2 for mode ONOFF 2 oPn relay 2 will remain open Clo relay 2 will remain closed P0 Temperature scale selection P1 Calibration of probe 1 Offset degrees to be added to probe 1 P2 Calibration of probe 2 Offset degrees to be added to probe 2 P3 Decimal point If the displayed value of the probes is desired with decimals or not P4 Probe to be displayed Probe always on the display The other probe can be seen pressing the keys SET UP sd1 probe 1 sd2 probe 2 P5 Number of probes If P5 1 there is not ONOFF2 mode If selected it will operate as2. a value confirmation Led indications Out1 Indicates relay 1 On or Off as per parameter H2 If H2 dir with relay 1 On led lit if H2 inv with relay 1 On led off It blinks when SP1 is displayed Outz2 Indicates relay 2 On or Off as per parameter H3 If H3 dir with relay 2 On led lit if H3 inv with relay 2 On led off It blinks when SP2 is displayed Setting SP1 and SP2 Press and release SET The current value of order 1 is displayed SP1 and led OUT1 blink Press UP or DOWN to increase or decrease the value Press SET to confirm the new value The actual value of order 2 will be displayed SP2 and led OUT2 blink Press UP or DOWN to increase or decrease the value Press SET to confirm the new value and exit Parameter setup Press SET for 8 seconds Value 0 will blink With UP and DOWN input the code factory set as 0 Press SET to confirm the code If correct the label of the first parameter will be displayed With UP or DOWN go to the desired parameter in the parameter list ePress SET to see the value With UP or DOWN change the value to the new value as desired Press SET to confirm and exit again to the parameter list Also to exit to the list without parameter modification ePress SET DOWN to exit setup or wait for 1 minute Resetting the keyboard code You can setup to 0 the keyboard code switching the unit off and on while pressing the SET key Buzzer disconnection Pressing
3. 9 9 A3 Minimiun alarm probe 1 1 Degrees 0 1 to 99 9 A4 Minimiun alarm probe 2 2 Degrees 0 1 to 99 9 A5 Alarm verification time h m 0 0 to 18 0 A6 Alarm probe 1 selection A7 Alarm probe 2 selection Range AHL Ano AH AL Range AHL Ano AH AL c0 Minimum relay stop time Minutes Oto 240 c1 Operation relay 1 Range dir inv c2 Operation relay 2 Range dir inv c3 Default operation relay 1 Range Opn Clo c4 Default operation relay 2 Range Opn Clo PO Temperature scale selection Range C F P1 Calibration of probe 1 Degrees 20 0 to 20 0 P2 Calibration of probe 2 Degrees 20 0 to 20 0 P3 Decimal point Range no yes P4 Probe to be displayed Range sd1 sd2 P5 Number of probes Range 1 2 HO Reprogramming Range 0 H1 Keyboard protection Range no yes H2 Operation led OUT1 Range dir inv H3 Operation led OUT2 Range dir inv H4 Address for serial communication Numeric 0 to 999 H5 Access code to parameters Numeric 0 to 999 h m are data in format XX Y where XX are hours and Y tens of minutes 1 referred to set 1 2 referred to set 2 Parameter descriptions SP1 Operation order of relay 1 Specifies the ON OFF point of relay 1 Variable between r4 and r6 SP2 Operation order of relay 2 Specifies the ON OFF point of relay 2 Variable between r5 and r7 r0 Dependency between SP1 and SP2 Only for mode ONOFF 1 ind order for relay 2 SP2 dep order for relay 2 SP1 SP2 r1 Differential or hysteresis for relay 1 Temperature
4. ONOFF 1 HO Reprogramming Parameter to reprogram the thermostat H1 Keyboard protection Yes Keyboard protected To change the sets enter into parameter and exit again The protection es momentarily released It switches on again 1 minute after the last time a key was pressed No Keyboard non protected Keld Cromoelectra Luis Braille 15 50013 Zaragoza spain PAORS R34 Ve AZ Oo Fax 34 976 59 35 32 E mail cromoelectra cromoelectra com Web hito www keld electronics com ETDT1 330KI_071213 H2 Operation of led OUT1 dir On when relay 1 is ON inv On when relay 1 is OFF H3 Operation of led OUT2 dir On when relay 2 is ON inv On when relay 2 is OFF H4 Serial communication address Address for computer connection H5 Parameter entry code Factory setas 0 Message display Under normal operation the temperature of the probe selected by P4 will be displayed the following messages may also appear eErr Memory reading error eErP Error of the probe not shown on the display AH1 Maximun temperature alarm probe 1 eAL1 Minimun temperature alarm probe 1 AH2 Maximun temperature alarm probe 2 eAL2 Minimun temperature alarm probe 2 000 Open probe e Shorted probe Pressing SET with UP it displays the probe not selected by P4 When the probe not selected by P4 is displayed it alternates its value with message Sd1 or Sd2 depending if it is probe 1 or probe 2 The display blinks when waiting for
5. SET with DOWN turn off the buzzer alarm The message of alarm continue appearing in the display Reprogramming factory values H0 eAccess to parameter HO as explained in parameter setup Value 0 will be displayed Press SET for 8 seconds Pro will be displayed if they have been setup correctly ePress SET DOWN to exit setup or wait for 1 minute Description SP1 Set Point 1 SP2 Set Point 2 rO r1 r2 Dependency SP1 SP2 Differential for SP1 Differential for SP2 Band differential Lower value for SP1 Lower value for SP2 Higher value for SP1 Higher value for SP2 Regulation or operating mode Alarm differential Maximun alarm probe 1 Maximun alarm probe 2 Minimiun alarm probe 1 Minimiun alarm probe 2 Alarm verification time Alarm probe 1 selection Alarm probe 2 selection Minimum relay stop time Operation relay 1 Operation relay 2 Default operation relay 1 Default operation relay 2 Temperature scale selection Calibration of probe 1 Calibration of probe 2 Decimal point Probe to be displayed Number of probes Reprogramming Keyboard protection Operation led OUT1 Operation led OUT2 Factory value 10 0 10 0 ind dir dir Opn Opn G 0 0 0 0 yes sd1 2 0 no dir dir Address for serial communication 0 Access code to parameters 0 Keld Cromoelectra Luis Braille 15 50013 Zaragoza spain Tein ses Yo A TIO Fax 34 976 59 35 32 E mail cromoelectra cromoelectra com Web http www
6. differential between ON OFF of relay 1 in ON OFF control r2 Differential or hysteresis for relay 2 Temperature differential between ON OFF of relay 2 in ON OFF control r3 Band differential Temperature differential between ON OFF of relays 1 and 2 in neutral area control For relay 1 it is added to SP1 and for relay 2 itis substracted from Sp1 r4 Lowest value for SP1 r5 Lowest value for SP2 r6 Highest value for SP1 r7 Highest value for SP2 r8 Regulation or operating mode Selection of the operating mode AO Alarm differential It is the temperature differential between the alarm On and Off cycle A1 Maximun alarm probe Maximun alarm ON when probe 1 higher than SP1 A Maximun alarm OFF when probe 1 lower than SP1 A1 A0 A2 Maximun alarm probez2 Maximun alarm ON when probe 2 higher than SP2 A2 Maximun alarm OFF when probe 2 lower than SP2 A2 A0 A3 Minimun alarm probe Minimun alarm ON when probe 1 lower than SP1 A3 Minimun alarm OFF when probe 1 higher than SP1 A3 A0 A4 Minimun alarm probez2 Minimun alarm ON when probe 2 lower than SP2 A4 Minimun alarm OFF when probe 2 higher than SP2 A4 A0 A5 Alarm verif eation time Time from the alarm event until it trips Probe 1 Probe 1 ar aa J SP1 A3 A0 SP1 A1 SP1 A1 A0 co SP1 A3 High Alarm 1 ON Low Alarm 1 ON Temperature Probe 2 By agn SP2 A4 A0 a oia SP2 A4 High Alarm 2 ON ees Low Alarm 2 ON
7. eOperating modes Mode ONOFF1 On1 with r0 ind Relay 1 with c1 dir Temperature of probe 1 gt SP1 r1 gt relay 1 ON Temperature of probe 1 lt S8P1 gt relay 1 OFF Temperature Figure 1 Relay 1 with c1 inv Temperature of probe 1 lt SP1 r1 gt relay 1 ON Temperature of probe 1 gt SP1 gt relay 1 OFF Temperature Figure 2 Relay 2 with c2 dir Temperature of probe 1 gt SP2 r2 gt relay 2 ON Temperature of probe 1 lt SP2 gt relay 2 OFF Temperature Figure 3 Relay 2 with c2 inv Temperature of probe 1 lt SP2 r2 gt relay 2 ON Temperature of probe 1 gt SP2 gt relay 2 OFF Temperature Figure 4 Mode ONOFF1 On1 with r0 dep Output 1 works as in Independent ON OFF control Figure 1 and 2 but output 2 works as follows Relay 2 with c2 dir Temperature of probe 1 gt SP1 SP2 r2 gt relay 2 ON Temperature of probe 1 lt SP1 SP2 gt relay 2 OFF Temperature Figure 5 Relay 2 with c2 inv Temperature of probe 1 lt SP1 SP2 r2 gt relay 2 ON Temperature of probe 1 gt SP1 SP2 gt relay 2 OFF Temperature Figure 6 Time Mode ONOFF2 On2 Output 1 works as in Independent ON OFF control Figure 1 and 2 but output 2 works as follows Relay 2 with c2 dir Temperature of probe 2 gt SP2 r2 gt relay 2 ON Temperature of probe 2 lt SP2 gt relay 2 OFF Temperature SP2 r2 SP2 Figure 7 Relay 2 with c2 inv Temperature of p
8. keld electronics com ETDT1 330KI_071213
9. orage temperature 20 C to 80 C 4 to 176 F Operating temperature 0 C to 70 C 32 to 158 F Probe range PTC 50 C to 150 C 58 to 302 F Accuracy Better than 1 of full scale Resolution 0 1 3 digits Display 3 digit and sign red green or blue Probe Input PTC1000 probes 25 C 1000 Ohm KLKey Input For a quick programming of all parameters Output 2 relays OUT1 SPDT Relay Resistive load 16A 1HP 240Vac 10FLA 6OLRA 250Vac OUT2 SPDT Relay Resistive load 8A 250Vac 8 3 A Dimensions Front 77 x 36 mm Depth 62 mm 3 03 x 1 42 x 2 44 inch Front Protection P64 Keld Cromoelectra Luis Braille 15 50013 Zaragoza spain Phone 34 976 42 90 99 Fax 34 976 59 35 32 E mail cromoelectra cromoelectra com Web http www keld electronics com ETDT1 330KI_071213 List of parameters Description Units Range SP1 Set Point 1 Degrees r4tor6 SP2 Set Point 2 Degrees rdtor rO Dependency SP1 SP2 Range ind dep r1 Differential for SP1 Degrees 0 1 to 20 0 r2 Differential for SP2 Degrees 0 1 to 20 0 r3 Band differential Degrees 0 1 to 20 0 r4 Lowest value for SP1 Degrees 99 9 to r6 r5 Lowest value for SP2 Degrees 99 9 to r7 r6 Highest value for SP1 Degrees r4 to 302 r7 Highest value for SP2 Degrees r5 to 302 r8 Regulation or operating mode Range On1 On2 nEU AO Alarm differential Degrees 0 1 to 20 0 A1 Maximun alarm probe 1 1 Degrees 0 1 to 99 9 A2 Maximun alarm probe 2 2 Degrees 0 1 to 9
10. r direct or reverse operation in control modes ON OFF The user is able to program 36 different parameters including set points hysteresis configuration of alarms and probe adjustment using the silicone front keypad The unit features error warning and password protection Description Model references The model reference is given by KLT22Z WXYZ Each sufix can take the following values W Probe type P PTC Probe X Display color R Red G Green B Blue Y Supply voltage 110 115VAC 230 230VAC 12 12Vac dc 24 24Vac dc Z Units F F C C Installation NOTE Unit must be mounted away from vibration impacts water and corrosive gases e Cut hole in panel 71 x 29 mm 2 80 x 1 14 inches e Apply silicone or rubber gasket around the perimeter of the hole to prevent leakage e Insert unit into hole of panel e Slide removable fitting clips onto unit from the back until secure to panel e Wiring diagram is displayed on the top of the unit e Note DO NOT INSTALL PROBE CABLE NEAR POWER CABLES 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 Technical Data Supply voltages 115 Vac 10 230Vac 10 24 Vac dc 10 12 Vac dc 10 Supply powers AVA 230V 115V 1 5VA 24V 12V St
11. robe 2 lt SP2 r2 gt relay 2 ON Temperature of probe 2 gt SP2 gt relay 2 OFF Temperature Figure 8 Neutral Area Mode nEU Relay 1 Temperature of probe 1 gt SP1 r3 gt relay 2 ON Temperature of probe 1 lt SP1 gt relay 2 OFF Relay 2 Temperature of probe 1 lt SP1 r3 gt relay 2 ON Temperature of probe 1 gt S8P1 gt relay 2 OFF Temperature SP1 r3 SP1 SP1 r3 Figure 9 Operation in case of error If probe 1 fails the operation is through c3 See Parameter description If probe 2 fails the operation is through c4 See Parameter description In case of memory failure both relays will remain open Keld Cromoelectra Luis Braille 15 50013 Zaragoza spain Phone 34 976 42 90 99 Fax 34 976 59 35 32 E mail cromoelectra cromoelectra com Web hito www keld electronics com ETDT1 330KI_071213 KLT22Z Thermostat Cold Heat Neutral Area Cnomoelectnua Specification and Operating Instructions APLICACIONES ELECTRONICAS Wiring Diagram CAd us Probe inputs Sd1 Sd2 S LINK POWER C The KLT22Z is an electronic temperature controller designed for ON OFF control or Neutral Area Control They can be provided with 1 or 2 probes both PTC range 50 C to 150 C according to parameter P5 and it provides with two output relays plus an alarm buzzer The unit control cold heat or both since its relays can be setup fo
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