+050001511
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1. 2 rd Control delta 6 aie 2 H3 Remote control enable code _ 0 to 255 0 peate i di EET H4 Terminal buzzer 0 enabled 1 disabled ___ 0 ri Minimum set point 50TH C p 50 CmF 1 bit 0 enable disable print report Maximum value settable for the set point ta lie o a r2 Maximum set point 17200 C 30 1 30 I 150 60 AUX Terminal keypad lock E a continuous cycle 0 direct thermostat with defrost control H6 configuration pi hee tas 0 cool LA al 15 opeatngmode te thesia a i n oe k Automatic night time set point Hees Select output activated b 0 time band linked to the light output r4 ae 8 P ROMERO CRORE 5 0 H8 nie sand y 1 time band linked to the AUX output see 0 ee are HOF H5 r5 o monitoring disabled 0 Enable set point variation with 0 set point variation with time band disabled 1 monitoring enabled H9 i o N g 0 Tanneratireamonitoun time bands 1 set point variation with time band enabled rt ster 8 temperature recording hours 0 to 999 ae AE AUX output configured as light or AUX H1 2 3 8 or 9 remains deactivated Maximum temperature k H1 2 3 l y acquired in the session Hay Ant cawaat heater oneal until the control temperature is less than 0 Minimum temperature St Hd when switching the instrument on rL acquired in the session for the first time or when resetting alarms Fan start delay if relay fitted 01200 C cO 0 to 15 min 0 i IMPORTANT WARNING for the set times to becom2. 050001511 rel 1 1 of 14 07 2009 ir33 Smart 1R33S7HROE Electronic controller for normal and high temperature static refrigeration units am NO POWER a TEESI _ CABLES V TOGETHER READ CAREFULLY IN THE TEXT Electronic controller for normal and high temperature static refrigeration units 115 230 Vac switching power supply 16 A compressor relay Management of NTC 50 to 90 C and PTC 50 to 150 C sensors Simple and intuitive installation and configuration 4 pre loaded configurations for the most common refrigeration applications READ ME NOW With reference to the label on the rear of the instrument and the required application 1 Check that power supply probes and loads compressor heaters etc are suitable for the instrument Fasten the instrument to the panel as shown in the following figure Make all the required electrical connections Power up the unit After around 2 seconds if the instrument displays the temperature read by the probes connected to the device go directly to point 7 If nothing is displayed or an alarm is signalled alarm codes on the display power down check the connections and the power supply and go to point 6 Power the unit up again If the instrument now correctly displays the temperature go to point 7 If on the other hand the problem described in point 5 is repeated see the table Alarms and signals display buzzer and relay to identify the cause of the problem ir
3. CAREL network containing the network address Prg 2 Press the button on the instrument connected to the network the instrument recognises the message sent by the remote application automatically setting the address to the required value and sending a confirmation message to the application containing the unit code and firmware revision message V When the message sent by the remote application is recognised the instrument displays the message Add for 1 second followed by the value of the serial address assigned 3 The application on receiving the confirmation message from the units connected to the network saves the information received in its database increases the serial address and resumes sending the message lt ADR gt 4 The procedure can be repeated starting from point 2 on another unit connected to the network until all network addresses are defined Note when the operation for assigning an address to an instrument has finished for reasons of safety the operation is inhibited for 1 minute on that instrument Consequently a different address cannot be re assigned to the instrument during that time CAREL Tel 39 0 http www CAREL INDUSTRIES HQs Via dell Industria 11 35020 Brugine Padova Italy 499716611 Fax 39 0499716600 carel com e mail carel carel com Operating parameters Complete list of parameters for each configuration frequent parameters F psw
4. evaporator end defrost 0 dEF defrost running always on _ OFF AUTO 2 temperature 501200 C 4 Ed1 defrost on evaporator 1 ended by timeout AUTO Maximum evaporator defrost Ed2 defrost on evaporator 2 ended by timeout OFF AUTO aan 1 to 250 min 50 Pd maximum pump down time alarm A ON AUTO MAN Maximum AUX evaporator LP low pressure alarm A ON AUTO MAN ot Heros dirion p 1 to 250 min 50 AtS autostart in pump down EN ON AUTO MAN d3 Defrost activation delay T 0 CHT high condenser temperature alarm A ON MAN activation of the relay EE Unit parameter EEPROM error A OFF AUTO d4 _ Defrost on start up 0 disabled 1 enabled 0 Defrost delay on start up or EF Operating parameter EEPROM error _ A OFF AUTO A e 0 to 250 min 0 rct Connection with IR remote control active _ Doo So 0 temperature alternating with dEF Add Automat address assignment procedure in progress lt 1 d6 Display during defrost 1 display frozen on last temperature before 1 LrH Foie anes TE activation E i a HrH High relative Paidi precede activation E rA T ccb Start continuous cycle call es ee dd Dripping time after defrosting Se eee fa 2 2 ccE End continuous cycle call Oo o o So z and fans at the end of a defrost 0 to 15 min dFb Start defrost call dEF Alarm bypass time after defrost it d8 See A4 0 to 250 hours dFE End defrost call and or door open On Switched ON al Dooropen zamn der o Ce 1 protection OFF solic is an _ Y rie Reset al
5. mu st be suitable for operation at least up to 105 C Case plastic 34 4 x 76 2 x 79 mm mounting depth 70 5 mm Assembly smooth hard and indeformable panel using side fastening brackets to press in fully drilling template 28 8 0 2 x 76 2 0 2 mm Display digits 3 digit LED display from 99 to 999 operating status indicated by graphic icons on the display Keypad 4 silicone rubber buttons Infrared receiver available Buzzer available Operating temperature 10T60 C Operating humidity lt 90 rH non condensing Storage temperature 20T70 C Storage humidit Front panel index of protection lt 90 rH non condensin assembly on smooth and indeformable panel with IP65 gasket Environmental pollution 2 normal situation PTI of insulating materials printed circuits 250 plastic and insulating materials 175 long Period of electrical stress across the insulating parts Category of resistance to heat and fire category D and category B UL 94 VO0 Class of protection against voltage surges category 11 Type of action disconnection 1B relay contacts microswitching Construction of the control device built in electronic Classification according to protection against electric shock Class 2 when appropriately integrated Device designed to he hand held or integrated into equipment no designed to be hand held Software class and structure class A Cleaning the front
6. 33 smart is now ready to be configured For correct configuration based on the required application see the section How to select and load a configuration Onl g5 RT ke o IMPORTANT separate the probe and digital input cables from the cables to inductive loads and power cables to avoid electromagnetic disturbance Never run power cables including electrical panel cables and signal cables in the same conduits Ro NO POWER AN TEESI Pa J CABLES V TOGETHER READ CAREFULLY IN THE TEXT Dimensions mm dima di foratura drilling template 71x29 mm Wall mounting by two plastic brackets sliding in from side Wiring diagram IR33S7HROE EN60730 1 12 2 A UL 873 229 V 12A 5FLA 30LRA SERIAL board amp KEY EA 6 718 9 10 11 12 RIO L N l 115 230 V N L 50mA maxPROBES DI DI Optional connections IROPZ48500 Serial board interface RS485 Zep IROPZDSPOO Display interface option IROPZKEY Programming key How to select and load a user configuration Step Action Effect Meaning Switch the instrument on After 2 seconds bn0 is the current configuration 1 _ Peg the display shows the Standard Carel when first switched on or other while holding mute message bno user configuration if loaded J A df ka e Select the required configuration Pres
7. The display will show the parameter IMPORTANT parameters not yet 5 l Press Set name again saved Repeat steps 2 3 4 amp 6 15 for all parameters required P ae The controller will display the temperatu IMPORTANT only now have all the 7 Press for 5 seconds re read by the probes again parameters been update How to access and set type C parameters CONFIGURATION password protected Step Action Effect Prg 1 Press mute 5 seconds Meaning Access to type C parameters g Set requires the password fo After 5 seconds the display will show 0 The value on the display will increase Enter the password 22 or decrease 2 Press A or aux al The display will show the first parameter in the list depends on the configuration Set loaded pe The display will scroll the list of type C The type C parameters also include 3 Press type F 4 Press A or Select the desired parameter RA A parameters CONFIGURATION 5 The display will show the value of the This is the current value of the Hess et selected parameter parameter The value on the display will increase def 6 Press A or v Bea Set the desired value aux The display will show the parameter IMPORTANT parameters not yet 7 Press Set name again saved Repeat steps 4 5 6 amp 8 7 for all parameters required P 9 Press ie for 5 The controller will di
8. arms with MAN reset reset temperature d9 a A times not respected the defrost has higher 0 rES monitoring i O l priority nl n6 __ Alarm on unit 1 6 in the network AUTO Display defrost probe 1 dn Download procedure in progress E 77 i Display def b AIN ENEE T d1 d6 Download procedure with errors on unit 1 6 A OFF Time base for defrost ar De ee 0 a m fe and oF sea Note the buzzer is activated if enabled by parameter H4 It can be disabled from the CAREL supervisory system dio a In Running temperature less than d11 after which a 0 Manual reset on pressing PRG MUTE defrost is called 0 to 250 hours Evaporation temperature below which the d1 Defrost temperature threshold compressor must continue operating for in Running time mode the time d10 to generate a defrost call 20T20 C 0 skip defrost and automatic variation in dl disabled 1 skip defrost disabled and automatic variation in dl enabled d12 Advanced delrosts 2 skip defrost enabled and automatic variation in dl disabled 3 skip defrost and automatic variation in dl enabled dn_ Nominal defrost duration 1 to 100 65 dH Eroportiona fadorfor oto 100 50 A0 _ Alarm and fan differential 0 1T20 C 2 0 Alarm thresholds AL AH A1 relative to the set point St 0 relative 1 absolute 0 or absolute AL Low temp alarm threshold ____ 50T200 C 0 AH _ High temp alarm threshold 501200 C 0 Ad Delay time for high and low 0 to 250 min 120 temper
9. ature alarms l 0 Input not active 1 immediate external alarm 2 delayed external alarm delay time A7 3 enable defrost 4 start defrost from external contact 5 door switch with compressor and evapo rator fans OFF 6 remote on off ALM ee 7 curtain switch A4 Function of digital input DII 8 low pressure switch input for pump down A 9 door switch with fans OFF only 0 direct reverse operation 11 light sensor 12 AUX output activation 13 door switch with compressor and fans OFF light not managed 14 door switch with fans OFF light not managed AG Stop compressor from external forced compressor operating time in the 0 alarm event of external alarms 0 to 100 min A7 oe a for delayed If A4 2 0 to 250 min 0 SZ Disposal of the product External alarm X The appliance or the product must be disposed of separately in compliance with the local standards in force on waste 0 signal Ed1 and Ed2 on the display end N disposal defrost due to maximum duration dP1 dP2 l A8 Enable alarms Ed1 and Ed2 dicabled 0 ae e ee are IMPORTANT WARNINGS The CAREL product is a state of the art device whose operation is specified in the technical L signal Ed1 and Ed2 enabled documentation supplied with the product or can be downloaded even prior to purchase from the website www carel Ac High condenser temperature 0T200 C 70 alarm com The customer manufacturer developer or installer of the fina
10. e immediately operational the instrument needs to be turned off and on again If this operation is not carried out timing resumes operation the next time it is used a ce when the internal timers are reset c2 0 amp c _ Minimum compressor on time 0 to 15 min an 0 Compressor operating time in the event of Alarms and signals display buzzer and relay 4 D tti f trol probe fault fixed off time 15 mi f l a i Hya ettng Or Satay reay CONTO prope TAU ned ol NAS 1a y Below is a table that describes the alarms and control signals with the corresponding description status ninie ime imenima COMI operating time even when the of the buzzer alarm relay and type of reset cc cycle 8 temperature is below the set point 0 to 0 pope 15 hours Code Description Icon flashing Buz Reset ow temp alarm bypass time zer i after continuous cycle els rE Virtual control probe fault A ON AUTO 0 heater by o 1 hot gas by E0 Room probe S fault A OFF AUTO temperature 2 heater by time 3 hot gas El Defrost probe S2 fault A OFF AUTO do Type of defrost by time 4 heater by time with temperature E2 Probe S3 fault A OFF AUTO control _ __ Probe not enabled AUTO Maximum interval between LO low temperature alarm A ON AUTO dl consecutive defrosts vee ee HI high temperature alarm A ON AUTO di Evaporator end defrost 507200 C 4 A immediate aarm from external contact A ON AUTO temperature i A elayed alarm from external contact A ON AUTO dto AUX
11. es the menu Set displays and or sets the set point _ for setting the type C parameters configuration or downloading the parameters e if pressed for more than 5 s with UP AUX starts the report printing procedu re function available but to be implemented How to set the set point Step Action Effect Meaning Set After 2 seconds the 1 Press for 2 display shows the current This the currently active control set point set point A def The value on the display ae asin Press aux OF W will increase or decrease OEE The controller will display the temperature read by The set point is modified and saved the probes again Another way of changing the set point is to set parameter St see the tables below seconds 5 Press Set How to access and set type F parameters FREQUENT not protected by password Step Action Effect Prg Press for5 seconds Meaning After 5 seconds the display will show the Access to type F parameters is first parameter St set point direct The display will scroll the list of type F 2 Press a or 2 parameters FREQUENT depends on Select the desired parameter ce 7 the configuration loaded 7 el The display will show the value of the This is the current value of the Press Se selected parameter parameter The value on the display will increase 2 t the desired valu Pres A or v or decrease Poeme destre i aux
12. l equipment accepts all liability and risk relating to the configuration of the product in order to reach the expected results in relation to the specific final installation and or equipment The failure to complete such phase which is required indicated in the user manual may cause the final product to malfunction CAREL accepts no liability in such cases The customer must use the product only in the manner described in the documentation relating to the product The liability of CAREL in relation to its products is specified in the CAREL general contract conditions available on the website www carel com and or by specific agreements with customers 050001511 rel 1 1 of 14 07 2009
13. lt configuration Connection diagram POWER SUPPLY DI2 NTC4 SS ho PTC NTC2 115 230 V N L 50 mA max DI DI Set point 0 C rd a r Control differential hysteresis 2 C rt Temperature monitoring interval rH D Maximum temperature read p rL Minimum temperature read k Interval between defrosts 8 hours Evaporator end defrost temperature 4 C Main parameters AUX evaporator end defrost temp 4 C type F dP1 Maximum evaporator defrost duration 30 min P2 gEF Maximum AUX evaporator defrost duration 30 min Dripping time 2 min Alarm bypass time after defrost and or door open 1 hour Defrost probe 1 reading Defrost probe 2 reading L LM Minimum temperature alarm 0 C Maximum temperature alarm 0 C Temperature alarm delay 120 min LEGGI E CONSERVA QUESTE ISTRUZIONI gt READ AND SAVE lt Indications on the display When flashing the signals on the display indicate a request that cannot be implemented until the delay timers have expired Normal operation ON OFF compressor on compress off Icon Function _ COMPRESS 3 DEFROST Flashing compress call defrost in progress no defrost call defrost call alarms in norm operation delayed external alarm eg high low temp or im A ALARM Vs the time A7 has no alarm present mediate or delayed external P alarm from digital input malfunction e g EEPROM UA SERVICE
14. no malfunction error or faulty probes Rs CONT CYCLE function activated function not activated function called Buttons on the keypad But Pressing the button alone ton Prg if pressed for more than 5 s e if pressed with SET for Start up if pressed accesses the menu for setting the more than 5 s accesses for more than5s at gnment if pressed for type F parameters frequent the menu for setting type C start up activates the more than 1 s enters e in the event of alarms mutes _ parameters configuration procedure for setting the automatic serial the audible alarm buzzer and for downloading parameters the default parameters Jaddress assignment deactivates the alarm relay if pressed for more than procedure 5 s with UP AUX resets any alarms with manual reset e if pressed for more than 5 s together with DOWN DEF activates deactivates the continuous cycle e if pressed for more than 5 s together with SET starts the report printing procedure function available but to be implemented e if pressed for more than 5 s together with PRG MUTE resets any alarms with manual reset if pressed for more than 5 s together with UP AUX activates deactivates the continuous cycle Pressing together with other buttons Automatic address assi mute def f Pressed for more than 5 s v activates deactivates a manual defrost if pressed for more than 1 s e if pressed for more than 5 s together with PRG MUTE access
15. ns to indicate operating status It can also be connected via a special interface to a further display used for example to read the third probe Reset alarms with manual reset A a Prg I The alarms with manual reset can be reset by pressing mute A 1 amp n aux Manual defrost for more than 5 s As well as automatic defrost a manual defrost can be activated if the temperature conditions are right by def pressing W for5s Continuous cycle def To activate the continuous cycle function press amp Y for more than 5 s During operation in continuous cycle the compressor will continue running and will stop at the timeout of the cycle or when reaching the minimum temperature AL minimum temperature alarm threshold Continuous cycle setting parameter cc continuous cycle duration cc 0 never active parameter c6 alarm bypass after continuous cycle excludes or delays the low temperature alarm Automatic serial address assignment at the end of the continuous cycle This is a special procedure that by using an application installed on a PC sets and manages the addresses of all the instruments that include this feature connected to the CAREL network in a simple way The procedure is very simple 1 Using the remote application start the Network definition procedure the application begins to send a special message lt IADR gt across the
16. ntifreeze alarm threshold Active if A2 or A3 4 50T200 C Differential or hysteresis for the activation deactivation of the high condenser tempera ture pre alarm 0 1120 C 0 to 250 min 0 sensor in the door jamb the inside light is Switched on when the sensor detects light and off when it detects darkness gt 0 internal sensor the inside light is switched on when the sensor detects light After the time AF in seconds the light is switched off for 3 sec In the event of darkness the inside light remains off while in the event of light it is switched on again and a cycle starts with a minimum time of 3 sec 0 to 250 sec 0 to 15 min Antifreeze alarm delay Serial address 0 to 207 H2 control Lock keypad and or remote 0 setting of type F parameters and set point disabled 1 all settings are possible 2 setting of type F parameters settings from remote control and set point disabled 3 settings from remote control disabled 4 continuous cycle defrost setting of type F parameters and ON OFF disabled 5 continuous cycle defrost setting of type F parameters set point and ON OFF disabled 6 continuous cycle defrost setting of type F parameters and set point disabled
17. panel of the instrument only use neutral detergents and water Serial interface for CAREL network external Maximum distance between interface and display 10m Programming key available The IR33 range fitted with the standard CAREL NTC sensor is compliant with standard EN 13485 on thermometers for measuring the air and product temperature for the transport storage and distribution of chilled frozen deep frozen quick frozen food and ice cream Designation of the instrumen t EN13485 air S A 1 50T90 C The standard CAREL NTC sensor is identifiable by the printed laser code on WP models or the code 103AT 11 on HP models both visible on the sensor part Safety standards compliant with the relevant European standards Installation warnings e the connection cables must guarantee insulation up to 90 C and if necessary up to 105 C e adequately secure the connection cables to the outputs so as to avoid contact with very low voltage components Option codes IRTRRESOOO small infrared remote control IROPZKEYOO parameter programming key extended memory with 12 V batteries IROPZ485SO RS485 serial card with automatic polarity recognition PSOPZPRGOO programming key kit PSOPZKEYOO parameter programming key with 12 V batteries PSOPZKEYAO parameter programming key extended mem Display ory with external 230 Vac power supply ir33 smart comes with a three digit LED display for the temperature and ico
18. protected parameters P masked parameters hidden Cd Parameter Description Configuration bn1 bn2 bn3 bn 2__ Measurement stability 1 to 15 4 4 3 _ Probe display response Temperature display refresh speed 0 to 15 lololo ia Virtual probe i pa control probe 2 0 to 0 0 ow 5 Select C or F 0 C 1 F olollol o 6 Decimal point 0 enabled 1 disabled _ LolodJofo Probe reading displayed 1 virtual probe 2 probe 1 3 probe 2 ftl Reading on remote display 4 probe 3 1 5 probe 4 is 6 probe 5 ON 7 set point 0 NTC 50T90 C P Select type of probe 1 NTC 401150 C 2 PTC 507150 C 0 no probe 1 product probe A2 Probe 2 configuration 2 defrost probe 0 3 condenser probe 4 antifreeze probe Probe 3 configuration As for probe 2 One Probe 1 calibration or offset Correction to reading of Probe 2 calibration or offset Probe 3 calibration or offset Set point r1Tr2 C 3 of p 20720 C Correction to reading of probe 2 20T20 C Correction to reading of probe 3 20T20 C Ot 0 0 0 0 0 0 4 Value of the temperature control differential 0 0 4 2 ALM alarm differential Acd alarm dela AF Off time with light sensor AE High condenser temperature High condenser temperature ALF A
19. ram POWER SUPPLY 115 230 V N L 50mA max ROOM PROBE Inputs Outputs Type Description Set point a W Main parameters Control differential hysteresis type F Minimum temperature alarm Maximum temperature alarm absolute alarm thresholds bn2 normal temperature 2T10 C static refrigeration units with de frost timed by stopping the compressor Temperature range 2T10 C Temperature control Compressor DIRECT MODE Connection diagram POWER SUPPLY 115 230 V N L 50mA max ROOM PROBE Inputs Outputs Set point 2 C CtL KJ Control differential hysteresis 2 C Main parameters St rd Max evaporator defrost duration 30 min Minimum temperature alarm 30 C Maximum temperature alarm 30 C Ad Temperature alarm delay 30 min absolute alarm thresholds bn3 high temperature 201150 C thermostat reverse mode Temperature range 20T150 C Temperature control Heater REVERSE MODE gt gt rd Temp C Set point Connection diagram POWER SUPPLY 115 230 V N L 50mA max ROOM PROBE Inputs Outputs Type Description Default value Set point 40 C a Main parameters Control differential hysteresis 2 C type F Minimum temperature alarm 0 C Maximum temperature alarm 150 C Ad Temperature alarm delay 30 min absolute alarm thresholds bn4 standard CAREL defau
20. s aux or Y i bn3 bn refer to the ales table o z Ip The display shows Std The user configuration selected in point 2 will i for 1 sec be loaded This procedure can only be performed once the most suitable configuration for the application once loaded will remain active the next time the instrument is started When switching on the first time bnO corresponds to the Carel standard default configuration The procedure for loading one of the user configurations involves copying one of the sets of parameters bn1 bn4 to bnO bno therefore always corresponds to the last configuration loaded Configurations ir33 SMART is loaded with 4 default configurations sets of parameters Each configuration identifies a specific refrigeration application and can be Identified simply by the index bn when switching the instrument on Ind Application Op temp range Inputs Relay output Normal temperature static refrigeration units 2T10 C NTC room Cannesa no defrost Normal temperature static refrigeration units with defrost timed by stopping the 2T10 C NTCroom Compressor compressor bn3__ High temperature thermostat 20T150 C PTC room Heater Alarm bn4 Standard CAREL default configuration 50T90 C Configurable Configurable bn1 normal temperature 2T10 C static refrigeration units no defrost Temperature range 2T10 C Temperature control Compressor DIRECT MODE Connection diag
21. splay the temperatu IMPORTANT only now have all the seconds re read by the probes again parameters been updated For both types of access type F and type C there is a timeout no button on the keypad pressed for 1 min the procedure is ended without saving the parameters Accessing the parameters divided by functional blocks allows the user to scroll the list of parameters in blocks Once having accessed the type F or C parameters see tables above Step Action Effect Meaning The display will show the i Prg name of the functional Example CMP for the compressor parameters PIESS route block that the parameter dEF for the defrost parameters belongs to The display will show 2 Pres A or T the name of the other Example dEF for the defrost parameters p functional blocks The display will show the Prg name of the first parame PE 5 Pre ter in the functional block Erann a ON GEE selected Technical specifications Voltage Power Power supply 115 230 V 50 60 Hz 6 VA 50 mA max Insulation guaran insulation from very low __ reinforced 6 mm in air 8 mm on surface 3750 V insulation teed by the power voltage parts supply insulation from relay basic 3 mm in air 4mm on surface 1250 V insulation Inputs NTC amp PTC NTC amp PTC DI voltage free contact contact resistance lt 10 Ohm closing current 6 mA S3 NTC or NTC amp PTC Maxim
22. um distance of probes and digital inputs less than 10 m Note in the installation keep power supply and load connections separate from probe digital input repeater display and supervisor cables Type of probe Std CAREL NTC 10 kOhm at 25 C range 50190 C meas error 1 C in range 50T50 C 3 C in range 50190 C High temperature NTC 50 kOhm at 25 C range 40T150 C meas error 1 5 C in range 207115 C 4 C in range outside of 201115 C Std CAREL PTC 985 Ohm at 25 C range 501150 C meas error 2 C in range 501T50 C 4 C in range 501150 C Relay outputs EN60730 1 UL873 operating cycles RI 12 2 A 100 000 12 A resistive 5 FLA 30 000 O N C 30 LRA C300 insulation from very low voltage parts reinforced 6 mm in air 8 mm on surface 3750 V insulation insulation between independent relay outputs _ basic 3 mm in air 4 mm on surface 1250 V insulation Relays not suitable for fluorescent loads neon lights etc that use starters ballasts with phase shifting capacitors Fluorescent lamps with electronic controllers or without phase shifting capacitors can be used depending on the opera ting limits specified for each type of relay Connections screw terminals for cables from 0 5 to 2 5 mm max current 12 A The correct sizing of the power and connection cables between the instrument and the loads is the installer s responsibili In max load and max operating temp conditions the cables used
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050001511