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1. eie EWHTS800LX Controllers for cold rooms and curing rooms for on board installation C LDFACE Invensys Controls Europe INTRODUCTION The Coldface EWHT800LX series controls the temperature and humidity of a static or ventilated cold room The curing cycle consists of 1 program with 8 customisable climate profiles The instrument controls positive and negative cold rooms and is capable of managing a double evaporator and con denser probes Coldface has 8 configurable relays 4 low voltage digital inputs configurable for door switch alarm and pressure Models are available with clock with yearly calendar and HACCP event logging The instrument can be connected to TelevisSystem via the optional plug in module The box allows for installation of a power contactor or a disconnecting switch with door lock This summary document contains basic information about the standard models EWHT800LX For fur ther information and different configurations refer to the complete user manual p n 9MA10024 which can be downloaded free of charge from the www eliwell it website NAVIGATION DIAGRAM display probe values Pb2 20 6 set time and date display probe values Pb1 20 6 SetPoint amp Probes Display alarms if active Display HACCP alarms if function active 1 sec sec 2 iis muc M confirm with defrost 5 1 sec JO e Parameters Functions menu Ls Jen B see manual 3 sec System LOC keyboard l2. m O V o v a S sg rs O D Ooc ii a a N 2 A yY A v S S Y o E 5 oa c el e ISI IS S Sole SS oO Lu E gt S mc 9 lz 2 OE 2 SE8l3 a2 OA OR v8 9 33 2 3 2 213 3 e hai lt o 2 he S tz D gt S Co lt S Cc X io U 5 Z5 po c 2 a e 0 g 33 33 e o0 g o TO O o 2 S5 9 25 Es cS a bl e UN U ap c go ag AI cc A 22 s Sia S Y occocdob cr Q 2 E c gl U 35 2 28 A uc H cot es o lt VU V e ma SN 2 a OT Oc LLI UV D a ma O a eb ES o E Ec E LL e C O ro m fo O CHOY oS moe 8 o 9 g c O WwW Y EDUS gt yo a dud 42 As o x 0 90 g u S gc uw E oa Er rS t ase I mowvwy 5 YVortrs S e3Eg E c t E x gt d O ome Sef Sas Qo D gt Q en0YA UU gun Y L OO plum D D 2 UV gt Un ya O ou Ao Q C uH X ES w LL OOF XY Fe S WM VN EWHT800LX Step1 9 E SUPERVISION EWHT800LX can be connected to e telecontrol system TelevisSystem e third party systems via Modbus protocol uu 7 d ParamManager fast parameter setting software Adaptar The connection can be made in 2 ways Analogue 0 20mA Output AO 4 20mA GN 39 40 41 RS 485 Analogue SN 1 via TTL serial port See Electrical Connections E n me 88 Use the BusAdapter150 TTL RS 485 interface module 2 by direct RS 485 connection u
3. INFO key Press and release the DOWN key once more to display other information about the instrument Press the ESC key to return to the normal display EWHT800LX 12 EN TECHNICAL DATA DESCRIPTION Front panel IP54 Container Bayblend FR 110 Dimensions front 210x245mm depth 90mm Mounting wall mounting centre distance of holes A B 181 0 mm holes C D 196 5 mm See Mechanical Installation paragraph Connections e removable screw terminals for serial port RS 485 digital and analogue inputs e removable screw or FASTON terminals for power supply and digital relay outputs see Wiring Diagrams internal housing for door lock disconnecting switch remote control switch etc WARNING do not exceed the amperage limits specified on the door lock disconnector markings Operating temperature 5 C 50 C Storage temperature 20 C 85 C Operating and storage humidity 10 90 RH non condensing Display range e 50 110 C NTC 55 150 C PTC without decimal point on display with 3 digits sign e 0 2000 4 20mA Analogue Inputs 4 NTC inputs PTC selectable by parameter HOO e 1 current input 4 20mA Digital inputs 4 voltage free digital inputs configurable by parameters H11 H14 Relay outputs e OUT1 output SPST 1 2HP 8 4 A 250V e OUT5 output SPST 1HP 8 8 A 250V e OUT2 output SPST 1 2HP 8 4 A 250V e OUT6 output SPDT 1
4. 0 1 2 time the set point value is reached 2 displays the label deF during defrosting and until the next time the set point value is reached or until Ldd has elapsed CONFIGURATION NOTE the instrument must be switched off and restarted each time these parameters are modified HOO Probe type selection PTC NTC 0 PTC 1 NTC 0 1 1 Type of dehumidification 0 with dehumidification relay 1 with dehumidification relay compressor 2 H09 MEM 0 1 2 0 without dehumidification relay H42 Pb2 Evaporator probe presence 0 not present 1 present 0 1 1 EWHTS800LX 6 EN THE INSTRUMENT ENABLES MODIFICATION OF OTHER PARAMETERS DIVIDED INTO USER LEVEL USr and INSTALLER LEVEL InS How to modify other parameters Installer InS level access User level access is similar Procedure applies only to more advanced applications In this case the parameters are arranged in folders Compressor Defrost Fans etc 1 Press and hold the SET key for 3 seconds until the display shows PAr Lite 2 Use the UP amp DOWN keys to select the parameter level concerned Usr or Ins 3 Press and release the SET key once more The display will show the first folder 4 Press and release the SET key once more The upper display will show the first parameter in the folder the lower display will indicate the current parameter value 5 Using the UP amp DOWN keys find the parameter that you wish to modify 6 Press and release the SET
5. 2HP 8 4 A 250V e QUT3 output SPST 1 2HP 8 4 A 250V e OUT7 output SPDT 1HP 8 8 A 250V e OUTA output SPST 2HP 12 12 A 250V e OUT8 output SPST 1HP 8 8 A 250V Analogue Output 1 configurable analogue output Type Start of Full scale Resolution Accuracy Permissible scale range range load PWM 1 e o s Analogue Output Table 0 20mA 0 20 1 e o s 300 Ohm 0 10V 0 10 55mA minimum load resistance 180 Ohm Digital output Buzzer only on models where this is provided Serials e 1 TTL port for connection to Copy Card e 1 RS 485 serial port for connection to TelevisSystem e 1 TTL port for connection to TelevisSystem use with optional plug in module Accuracy better than 0 5 of end of scale 1 digit Resolution NTC PTC 0 1 C full range 4 20mA 1 digit ndt 0 0 1 digit ndt 1 Power draw 15W Power supply 100 240V 10 50 60Hz WARNINGS Important Make sure the machine is switched off before working on the electrical connections The instrument is equipped with e Removable screw terminals for connecting electric cables of 2 5 mm maximum cross sec tion one wire per terminal in the case of power connections for the capacity of the terminals see the label on the instrument The relay outputs are voltage free they are indicated on the board with the letters COM for Common NO for Normally Open and NC for Normally Closed contact When current exceeds 8A on relay out puts 2 x 2 5mm cables 2 fastons must be run out for e
6. O AA DM PANAMA TBA e Sia u ma AA KAKAA Aa AIN MA S QU O Q e amp Cc c EPOR MANNA AN MM AAA S SS AAA PAM HARUM ANNAM SE Po 22 6 Y i yy NM E gp 2 D gt MAN AAA ETT NNNM ANNAM RUM Beso o cS YR gt S O a rur NYY BAO ARAM NA KAENI GON S ug On 0 Un p O a e E uS RO 25245 y NN BE 64 5 O 3 QU C AMAN HN TUA UAM MANARE ATA 3 vo ovr Ne IR UP V DOOR cuo X vc o O II OI ANNAM ANM lt S lt Y S gt o o60 w IAA NAA AMANA DM V MARO S a S E NI AA MA c TO cam DW UW III OPA RR gt gt O III ANNI v AAA MEAM e x n o AYIA NI 5 KINANA 5 y 2 Qo PARA EDDA DM 2 1 PO n gt a ae ANN EE KI as A gt E MAMMA ANA MANARE AM D IAN Su BB o Y SES UWA LY AN MY v Mi NX MD AA uj 4l gue So k 5 a a E INN cU Dec c Ea POEM AAA S R3 AA S q c KA RAN 2 YO OACI y VE go n pum 4 IV AN LARA g 4 AMANDO AMAN ON 5 NON S cE Oe JE 8 o vi 5 VM DIAN aS PD IXY LO o D i c v S O NAM AMA KAA AHH ST IAN Z de O Fus asd HX ANN LD HHH E LA Wa oO vw Wa O IA IA Oo MANN ANIM A 2 0 O s m gt IA IN Y TRAY zm gt gt 4 gt EIN NN gt DAMNA MA bi LL gt a O o z O Un OOO MAYA MB AMI Z AO E U UO Vv o A ADAN o EL AMAA gt 5 E S 4 NI I DOAA a AMAN MAIN E m ua ea UN O U gt eo A c e Un e M MAMMA ANM MN MA E MA DD wr Ww r 3 L 2 Q
7. below LHA AdH after delay equal to AOH Pb5 HIGH humidity alarm HrH eedt ee S HHA e Recording of label HrH in folder ALr e Wait until humidity value read by e No effect on regulation in progress Pb5 returns below HHA LdH after delay equal to AOH 11 EN EWHT800LX This section lists alarms associated with the default configuration of the instrument For a description of alarms relating to custom configura tions refer to the user manual or contact Eliwell Technical Support Folder Cause Effects Remedy e End of defrost cycle due to time out AQ rather than due to defrost end tempe e Recording of label Ad2 in folder ALr ina chloe defrost cycle for rature being read by the defrost probe in case of alarm silenced the mE controllers remain shutdown until EA e activation of digital input set as exter bald iiie the next deactivation of the digital nal alarm See param H11 H14 input rLO dOA PEA e Wait for next deactivation of digital input e Activation of digital input fi d o ee Wa a eds e Recording of label OPd in folder ALr weno OPd door switch See param H11 H14 e Depends on delay set by parameter e Regulator blocked see para dOA PEA e Depends on delay set by parameter td 0A0 L01 L15 H01 H15 e minute count start defined by parameter a M mete pobla y PEn para LOW and HIGH pressure warning min PEi PEi automatic reset to elapse materialis max
8. fans to be selected or not selected during defrosting y yes n no n y y F09 Minimum setpoint for condenser fan speed 50 0 99 9 30 0 C bar Temperature difference for destratification fans If the difference Pb1 Pb3 as an absolute value positive number SFd is greater than SFd the destratification fans are started They switch off when Pb1 Pb3 is less than SFd diS 0 99 9 4 0 C F destratification fans differential HAL Maximum temperature alarm Temperature value intended either as distance from set point or as an absolute LAL 150 50 0 C F value based on Att which if exceeded in an upward direction triggers the activation of the alarm signal ii l LAL Low temperature alarm Temperature value intended as distance from the set point or as an absolute value based 50 0 HAL 50 0 C F on Att which when exceeded downwards triggers the activation of the alarm signal n l dAO Temperature alarm exclusion time after defrost 0 999 60 min tAO Time delay for temperature alarm indication Refers to high low temperature alarms only 0 250 0 min i Calibration 1 2 3 4 CA3 Positive or negative temperature value added to the value read by probe Pb1 2 3 4 according to the setting of 12 0 12 0 0 C F parameter CA CA4 Display mode during defrost 0 displays the temperature read by the room probe Pb1 ddl 1 locks the reading at the temperature value read by room probe Pb1 when defrosting starts and until the next
9. is configured to manage the minimum pressure switch low pressure Digital input D I 4 is configured to manage the maximum pressure switch high pressure Pressure switch setting default PEn 15 Maximum number of low high pressure error messages PEI 99 min The time interval in minutes for counting errors indicated by PEn If during this interval the number of responses from the pressure switch exceeds the indicated threshold the instrument will report a pressure switch error and power to the compressor defrost and fans will be cut off See Alarms Table FOR MORE INFORMATION READ the manual p n 9MA10024 EWHT800LX 8 EN Endurance 2 l l gt I D C op LJ C a y tw U AL O v E LLJ W o VY cc LLI HE 4 D a u eB V A IL LLI Li c Ww O O a ucl a ze gt Ve O v 2 E eS O x y E 2 3 d C w Un ES e Y Ss VU pa L HE sop 3 g E Pe Sh g 5 gt e O VU Un O 49 lt lt E O c 00 5 UV v c E E Uv eS UN u a E O Lo mop c 0 E SL oN 4 o Fr C WN WN Un U oN N E XL X Uy Cc M l I v gt 2 gt i mo D pet zx al ees un SL a DINA xpi ES DM E SATA TATA YA TATA TAYA TA TAYA NVWVI c Oo DO D 5 O RR Nr MR ANA D NO RAE IAN DUAL IA O NN u U gt 2 gt AQUA KAA KA MW NNNM NM O AA PIO MIN U ICO WI QAAE M 1 RX O O lt uc lt ov II DADA HHH v BAM N EM 9 p 2 E o D Z
10. more The upper display will show the first parameter the lower display will indicate the current parameter value 3 Using the UP amp DOWN keys find the parameter that you wish to modify 4 Press and release the SET key once more The upper display will show the name of the blinking parameter 5 Use the UP amp DOWN to adjust the parameter value 6 Press and release SET to save the parameter value 7 Return to step 3 or press ESC several times to return to the normal display 5 EN EWHT800LX LITE PARAMETER TABLE This section describes the most useful parameters which are contained in the Lite folder For a description of all User USr and Installer Ins parameters see the user manual Note the Lite folder parameters are NOT divided into subfolders and are always visible no access password is required The same parameters are also visible in the respective folders Compressor Fans etc also indicated here for easy reference in the User USr and Installer Ins parameters menu PARA DESCRIPTION RANGE DEF U o M SP1 SETPOINT Control value within the range between the minimum set point LSE and the maximum set point HSE LSE HSE 0 0 C F Compressor relay activation differential the compressor stops on reaching the set point value as indicated by the diF regulation probe and restarts at a temperatur
11. pressure switch AA E E E e If PEn appear during the PEi interval J see LPA HPA default 15 max 99 e Recording of label LPA in folder ALr pucca pace OD LPA LOW pressure alarm e Current regulation blocked compressor wa resume uan aimee Ge minimum pressure switch rasa tan reset m from the functions e The standby relay will be deactivated menu label rPA e Recording of label HPA in folder ALr ripae ia NO HPA HIGH pressure alarm Current regulation blocked compressor E elimine high pressure switch elipsieali alls reset dim from the functions e The standby relay will be deactivated menu label rPA E10 Clock alarm e Functions associated with clock not contact Eliwell Technical Customer clock faulty or battery low present Support ALL ALARMS the alarm relay remains active e Alarm icon permanently on including pressure switch warnings e Press any key to silence the alarm the LED changes from a steady light to a blinking light Please note the buzzer will be deactivated while E1 E2 E3 E4 If simultaneous they will be shown alternately on the display at a frequency of 2 seconds E5 shown permanently on lower display TECHNICAL SUPPORT Please have the following information available when contacting Eliwell Technical Support e IdF firmware version e g 389 e rEL firmware version release e g 1 2 e tAb map code e Ht instrument model e g 800 To obtain this information Press and release the DOWN
12. P e Start Climate Profile B RESET lt Climate Profile e Reset Climate Profile See Climate Profiles F ON OFF Switch device On Off G ug Switch light on off o EN AUX1 2 Activate destratification fans Activate destratification fans pe USER INTERFACE How to modify the SetPoint Press and release the SET key The upper display will show SP1 the lower display will indicate the current SetPoint value Press and release the SET key once more The upper display will show SP1 blinking Use the UP amp DOWN keys to adjust the SetPoint value Press the ESC key several times or keep it pressed to return to the normal display How to read the probe values Press and release the SET key The upper display will show SP1 the lower display will indicate the current SetPoint value Press and release the DOWN key If the RTC clock is present the time will be shown in the lower display Press and release the DOWN key once more The upper display will show Pb1 the lower display will indicate the value read by the room probe Press and release the DOWN key once more to read the value of probe Pb2 and Pb3 Press the ESC key to return to the normal display How to modify the Lite Parameters The Lite parameters are the most useful parameters and are described in this document in the section Parameters Table 1 Press and hold the SET key for 3 seconds until the display shows PAr Lite 2 Press and release the SET key once
13. ach individual contact to ensure the temperature of the cables does not exceed 85 C e Fastons single row of fastons in series Do not exceed the maximum permitted current for higher loads use a contactor with sufficient power capacity Make sure that power supply is of the correct voltage for the instrument Probes have no connection polarity and can be extended using a normal bipolar cable note that the extension of the probes influences the instrument s electromagnetic compatibility EMC take great care with the wiring Probe cables power supply cables and the TTL serial cables should be routed separately from power cables 13 EN EWHT800LX 15014001 Eliwell has held ISO 14000 certification for a number of years thereby guaranteeing the effective application of its Environmental Management Policy Eliwell is a member of the Italian Electrical Engineering Association Comitato Elettro tecnico Italiano and makes an active contribution to regulatory development This ensures that Eliwell technical developers benefit from excellent training in the yore fields of electrical safety e electromagnetic compatibility respect for the environment Eliwell wishes to share its commitment to environmental sustainability with its custom ers by reducing its paper trail and providing online access to documentation For further information refer to the complete user manual which can be downloaded free of charge from the www eliwell it webs
14. ated in Neutral Zone mode H0771 Heating mode It switches on if the temperature is less than the Heating Setpoint StH db intervention half band always positive and switches off when the value Is StH StH 0 0 C Heating Setpoint db 2 0 C temperature intervention half band always positive diH differential 0 diH db Cooling mode It switches on if the temperature is greater than the Cooling SetPoint SEt db intervention half 7 EN EWHT800LX band always positive and switches off when the value is SEt db diF SEt 20 0 C Cooling SetPoint db 2 0 C temperature intervention half band always positive diF differential 2 0 COMPRESSOR Digital output OUT4 is configured as compressor relay The compressor is active if the cold room temperature detected by Pb1 exceeds the value of SP1 differential diF The compressor stops if the cold room temperature detected by Pb1 falls below the SP1 value The instrument includes compres sor on off protection EVAPORATOR FANS Digital output OUT5 is configured as evaporator fan relay and is activated in the required cases ac cording to delays and parameter settings Default fan settings dt 0 min drip time dFd Y Fans off during defrosting LIGHT Digital output OUT8 is configured as light relay The light is activated by pressing and holding the LIGHT key G Since digital input D I 1 is configured as door switch relay OUT8 light is activated when the
15. door is opened The light also switches on with the instrument in standby CONDENSER FANS Probe Pb4 is configured as NTC condenser fan temperature probe It is adjusted according to the temperature of the probe see parameter FO2 1 in cooling mode see parameter F01 C The con denser fan functions independently from the compressor e g the fan is on even if the compressor is off see parameter F16 1 Note Analogue output AO is enabled as 0 10V output F00 4 for piloting an external fan module AUXILIARY AUX1 2 ventilation fans Digital output OUT6 is configured as ventilation fans relay The auxiliary output is activated manually by pressing and releasing the AUX1 2 key H AUXILIARY AUX1 2 destratification fans Digital output OUT7 is configured as destratification fans relay The auxiliary output is activated manually by pressing and releasing the AUX1 2 key H To prevent stratification e g when hot air inside the room rises to the ceiling and cold air falls to the floor use probe Pb3 as a stratification probe positioning it in accordance with the room probe wiring one near the ceiling the other near the floor The fans switch on if Pb1 Pb3 as an absolute value posi tive value is greater than the SFd difference value and switch off after SFd diS temperature differ ential SFd 4 0 C difference to be compared with Pb1 Pb3 diS 1 0 C differential MINIMUM MAXIMUM PRESSURE SWITCH Digital input D I 3
16. e value equal to the set point plus the value of the differential Note 0 1 30 0 2 0 C F the value 0 cannot be set HSE Maximum value that can be assigned to the setpoint LSE 302 50 0 C F LSE Minimum value that can be assigned to the setpoint 55 0 HSE 50 0 C F SPH Humidity setpoint Minimum LSH value that can be assigned to the setpoint Maximum HSH value that can be LSH HSH 0 0 RH assigned to the setpoint dbH Humidity intervention half band Always positive 0 0 50 0 5 0 RH Type of defrost 0 electric defrosting compressor off OFF during defrosting dtY 0 1 2 0 1 reverse cycle defrost hot gas compressor ON during defrosting 2 Free defrosting independently of compressor dit Interval between the start of two subsequent defrosting cycles 0 250 6h o function disabled defrosting NEVER performed 7 dEt Defrost time out determines the maximum duration of the defrost cycle 1 250 30 min dSt _ Defrost end temperature determined by the evaporator probe Pb2 50 0 150 6 0 C F Fan stop temperature if the evaporator probe reads a higher value than the set value the fans are stopped The FSt value is either positive or negative and depending on parameter FPt can be either the absolute temperature or 50 150 6 0 C F the temperature relative to the set point Fdt Fan activation delay after a defrosting cycle 0 250 0 min dt Drip time 0 250 0 min dFd Allows exclusion of the evaporator
17. eans that the value of the lower display can be modified LOWER DISPLAY LOWER DISPLAY CLIMATE PROFILE STEP TQ NM S u digits gue iew C LDFACE parameters value probe values e function state HACCP models e time If the lower display is blink ing it means that the displayed value can be modified LEDs Ne tes Jw w ETT Fans OF fans OF ini VENTILATION FANS VENTILATION FANS AUX1 ON AUX1 OFF aioi DESTRATIFICATION FANS DESTRATIFICATION FANS i AUX2 ON AUX2 OFF EN HACCP alarm Not displayed m Nm d o6 w Compressor OF deft Heating OFF lt o ell Heating ON oo ae yw md Dehumidi ro lt D a o Light OFF yellow Light ON Energy saving ON Night amp Day ON CLIMATE PROFILE gen ON function alarm active OFF function alarm NOT active EWHT800LX 4 EN Energy saving OFF see Climate Profiles Night amp Day OFF N KY presandrelease press and hold for about 3 seconds Notes TEN PE gd iud FHACCP alarms system alarms if present e Increase values gt Exit e Manual defrost Functions menu Return to Main Menu e Display SetPoint probe values time SET emm Hal 2 Access Parameter Edit mode e Access value edit mode upper display blinking Scroll V DOWN e Decrease values See Technical Support e Display instrument INFO START STO
18. ite 4 Eo E Za EN Singeri JA CONDITIONS OF USE Permitted use For safety reasons the device must be installed and used according to the instructions provided In particular parts carrying dangerous voltages must not be accessible in normal conditions The device must be adequately protected from water and dust with regard to the application and must only be accessible using tools with the exception of the front panel The device is suitable for use as a stand alone unit and has been tested for safety aspects in accor dance with harmonised European reference standards It is rated in terms of design as an automatic electronic temperature controller for built in or stand alone installation in terms of automatic operating characteristics as a type 1B controller in terms of software class and structure as a class A device e n terms of connection as a device with flexible external and removable cable with Y connection e device with pollution grade 2 as a device with class D fire resistance e overvoltage category grade II e device made with class Illa material e ball test temperature 80 C Improper use Any use other than that expressly permitted is prohibited Note that the relay contacts provided are of a functional type and subject to failure any protection devices required by product standards or suggested by common sense for obvious safety require ments must be installed externally to the instrume
19. key once more The upper display will show the name of the blinking parameter 7 Use the UP amp DOWN keys to adjust the parameter value 8 Press and release SET to save the parameter value 9 Return to step 5 or press ESC several times to return to the normal display OPERATION IN DEFAULT CONFIGURATION The instrument is configured for negative cold For positive cold disable the evaporator probe Pb2 set H42 0 and set relay OUT5 parameter H25 6 STANDBY or 0 DISABLED to prevent con tinuous ventilation DEHUMIDIFICATION Digital output OUT1 is configured as dehumidification relay It switches on if the relative humidity is greater than the Humidity Setpoint SPH dbH intervention half band always positive and switches off when the value is SPH Dehumidification is activated by relay HO9 0 SPH 20 0 C Humidity Setpoint dbH 5 0 C intervention half band always positive dFH differential 0 gt dFH dbH HUMIDIFICATION Digital output OUT2 is configured as humidification relay It switches on if the relative humidity ts less than the Humidity Setpoint SPH dbH intervention half band always positive and switches off when the value is SPH Humidification is disabled during defrost dEH 0 NOTE e Humidification and dehumidification are in Neutral Zone mode HO5 nE e Humidification and dehumidification are disabled during defrost dEH 0 HEATING Digital output OUT3 is configured as heating relay It is activ
20. ll invensyscontrols com www eliwell it 91564124 1 EN rel 06 09 Eliwell Controls s r l 2009 All rights reserved
21. logue Output AO 89 40 41 145146 47 pem f RS485 connection to E isso available with optional plug in module only Copy Card O PBIBRDPIBInp pq psppo Q AUX 2 39 40 41 Pb4 Pb3 Digital Inputs default settings e D I 1 Door switch e D I 2 Alarm e D I 3 Low pressure e D 1 4 High pressure Analogue Output default settings e AO 0 10V for piloting external fan module Serials e TTL for connection to Copy Card e TTL for connection to TelevisSystem e RS485 available ONLY with optional Plugin module for connection to TelevisSystem Important Make sure the machine is switched off before working on the electrical connections e Removable screw terminals electric cables of 2 5 mm maximum cross section one wire per terminal in the case of power connections e FASTONS single row of fastons in series 10V PWM 10V 55mA GND 12V Y 4 20mA Pb2 Pbi NIN DIA DI3 DI2 DI iso eo e1 e2 64 6s Jes 67 o8 69 70 71 O EWHT800 LX Power Supply 100 240V Removable Terminals ni O Faston da Default configuration LINE OUT8 OUT7 OUT6 OUT5 NEUTRAL m Relais Parameters OUT4 OUT3 OUT2 OUTI H24 H23 H22 H21 EWHT800LX DISPLAY UPPER DISPLAY 3 digits and sign View Operating value Sn x 3 5t S 0 parameters label OOGO d E ea Ny alarms functions UPPER DISPLAY If the upper display is blinking it m
22. nt LIABILITY AND RESIDUAL RISKS Eliwell Controls srl declines any liability for damage due to e installation uses other than those expressly specified and in particular failure to comply with the safety requirements of established standards and or instructions specified in this document use on panels that do not provide adequate protection against electric shocks water or dust when assembled use on panels allowing access to dangerous parts without having to use tools e tampering with and or modification of the product e installation use on panels which are not compliant with current standards and regulations DISCLAIMER This document is the exclusive property of Eliwell and cannot be reproduced or circulated unless expressly authorised by Eliwell Every care has been taken in preparing this document nevertheless Eliwell declines any liability due to its use The same applies to any person or company involved in the creation and preparation of this document Eliwell reserves the right to make aesthetic or func tional changes at any time without notice EWHT800LX 14 EN eile 1503001 Eliwell Controls S r l Via dell Industria 15 Zona Industriale Paludi 32010 Pieve d Alpago BL Italy Telephone 39 0437 986 111 M Facsimile 39 0437 989 066 Ue Sales 39 0437 986 100 Italy 39 0437 986 200 other countries saleseliwell invensyscontrols com Technical helpline 39 0437 986 300 E mail techsuppeliwe
23. o disable the recording of alarms and or resetting of HACCP alarms See Functions Menu FOR MORE INFORMATION READ the manual p n 9MA10024 EWHT800LX 10 EN ALARMS TABLE This section lists alarms associated with the default configuration of the instrument For a description of alarms relating to custom configura tions refer to the user manual or contact Eliwell Technical Support Folder Cause Effects Remedy Pb1 be fault Label E1 displayed idi de pisa uc e Check probe type NTC PTC see H00 e measured values are outside operating Min max alarm regulator disabled B E1 e Check the probe wiring range e Compressor operation based on parame _ Replace probe e probe faulty short circuited open ters Ont and OFt if set for duty cycle Pb2 defrost probe fault me ows i e onina Label E2 displayed e Check probe type NTC PTC see H00 E2 range did e The Defrost cycle will end due to time out Check the probe wiring P ter dEt e Repl b e probe faulty short circuited open Hee aE a bo Label E3 displayed E3 Pb3 destratification fan probe faulty Fans remain ON for time SOn Pi ipid A M NI the fans ON OFF in duty cycle mode e Fans remain OFF for time SOF Pb4 NTC condenser fan probe fault E e des un Label E4 displayed e Check probe type NTC PTC see H00 E4 bine P J Condenser fans ON depending on F16 and Check the probe wiring J E F20 parameters e Replace probe e Probe faulty short circui
24. ock rSE activate reduced Set rPA Pressure switch alarms rEd disable HACCP rHC reset HACCP alarms nAD Day Night Aut Automatic regulation St Start Climate Profile rSt Reset Climate Profile E gt ON OFF function MECHANICAL INSTALLATION mum I F A 181 0mm 196 50mm e Remove the protective plate on the right of the door Take out the 2 screws supplied and then open the cover EWHT800LX Drill holes in the top or bot tom of the backplate to pass the high and low voltage wires through Cable clamps must be no bigger than size PG29 e Screw the backplate to the wall using 4 screws not supplied to match the holes A D Shut the door and cover the screws with the corresponding plate 2 EN ELECTRICAL CONNECTIONS Output relay default settings OUT1 Dehumidification OUT2 Humidification OUT3 Heating OUTA Compressor OUT5 Evaporator fan OUT6 Auxiliary 1 ventilation fans OUT7 Auxiliary 2 destratification fans OUTS Light Probe inputs default settings Pb1 NTC cold room probe Pb2 NTC defrost end probe Pb3 NTC dejstratification probe Pb4 NTC condenser fan probe e Pb5 Humidity probe pressure transducer 4 20mA To switch between NTC PTC probe types use pa rameter HOO SWITCH OFF AND RESTART THE INSTRUMENT after making the change Analogue gt 0 20mA 0 Output AO A 20mA GND 39 40 41 RS 485 Ana
25. sing the optional RS485 TTL plug in module not included See figure opposite In both cases use a RS485 RS232 USB PC interface converter and Es e the required software licence To configure the instrument for this purpose open the file identified by the label Add and use parameters dEA and FAA To configure the instrument for this purpose open the file identified by the label Add and use parameters dEA FAA PtY FOR MORE INFORMATION READ the manual p n 9MA10024 ALARMS AND TROUBLESHOOTING How to display the alarms 1 Press and release the UP key The upper display will always show the label ALr The lower display will show e NONE if no alarms active e SYS to indicate system alarms see Alarms Table HACP to indicate HACCP alarms see HACCP alarms 2 Using the UP amp DOWN keys find the type of alarm that you want to check System alarms The upper display will show the label ALr the lower display will indicate the alarm code see Alarms Table e Using the UP amp DOWN key scroll the other alarms Press the ESC key to return to the previous alarm code press the ESC key several times or keep it pressed to return to the normal display HACCP ALARMS The instrument logs high and low temperature alarms for the cold room probe as well as any power failures The alarm types and the duration and start time of the alarm itself will be displayed in the alarms folder ALr It is possible t
26. ted open E5 label shown on lower display E Pb5 Humidity probe pressure transducer The upper display will show the value read P i YP E5 e Check wiring 2 3 4 5 wire probe faulty by the room probe except in the case of e Replace probe probe errors Pb1 LOW temperature alarm e Wait for the temperature value AL1 e value read by Pb1 lt LAL after time of ipi iini rini ee read by Pb1 to come back above LAO 3 LAL AFd pela Ded Ursi e Recording of label AH1 in folder ALr e Wait until temperature value read by AH1 e value read by probe Pb1 gt HAL after ean e No effect on regulation Pb1 returns below HAL AFd time of tAO Pb3 LOW temperature alarm yes i Dons e Wait for the temperature value read ALS value read by Pb3 lt SA3 with PbA 3 e Recording of label AH3 in folder ALr by Pb3 to come back below e No effect on current regulation LAL AFd with PbA 1 2 aha SA3 dA3 with PbA 3 after delay equal to tA0 i after delay equal to tA3 Pb3 HIGH temperature alarm e value read by Pb3 gt HAL with PbA 12 e Wait for the temperature value read l Recording of label AH3 in folder ALr by Pb3 to come back below ans een pp WA dU No effect on current regulation HAL AFd with PbA 1 2 SA3 dA3 with PhA 3 after delay equal to tA0 after delay equal to tA3 Pb5 LOW humidity alarm l l mE m LrH oueres bo Pht e Recording of label LrH in folder ALr e Wait until humidity value read by e No effect on regulation in progress Pb5 returns
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