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EWCM9900

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2. 13 un A Correction to condensation setpoint due to undercooling 351 SCt2 susuz SSR m m a o EE EE ex 355 SCoF2 U Ctemp 353 SCoF1 4 352 SCd1 lt lill EWCM9900 le CONOMY FUNCTION DISCHARGE SET POINT e f the control is by temperature UCtemp discharge gas temperature subcooling probe e f the control is by pressure UCtemp value converted to temperature discharge gas pressure subcooling probe In accordance with the second diagram a further correction is applied to the fluctuating setpoint summed to the actual setpoint Note 350 SCt1 and 351 SCt2 represent the two minimum and maximum subcooling values e If 350 SCt1 lt UCtemp lt 351 SCt2 there will be no correction For external values the correction is proportional with divergences lt to 352 SCd1 or 354 SCd2 the correction is fixed for divergences greater than or equal to 353 SCoF1 or 355 SCoF2 No correction is made to the setpoint if the external temperature probe on the condenser is in error or not configured the discharge probe is in error or not configured the subcooling probe is in error or not configured DE QUID RETURN CONTROL Control active after delay 565 odo and if not active the configuration mode QuickStart Menu enable No The liquid return relay control is determined by 584 H201 Relay OUT 596 H213 Relay OUT13 if at least one of these 6
3. immediately accesses the Service Menu so that it is not necessary to enter it The Service Menu folders are shown here Select the folder you reguire with the UP and DOVVN keys and press OK to enter Recordings Menu Menu composed of 2 folders Upload to Copy Card allows uploading the operating log to Copy Card see Copy Card chapter Reset recordings cancels resets all the recordings log of the recordings of operation Confirmation for deletion will be reguested Confirm Del Confirm with the OK RH right key To quit press the LH left key Loads Status Menu Menu composed of 2 folders Compressors Fans Menu that allows displaying the state of the compressors fans and to delete Res the hours of operation Move onto the selected utility with the UP and DOWN keys and confirm resetting with the OK RH right key For example Compressors Comp1 Res 0 hour Fans Vinv Res 0 hour In the Compressors Menu it will besides be possible to select deselect each single compressor Compressors Comp1 Sel YES Comp2 Sel NO Reset alarm history Menu to clear reset the alarm log Confirmation for deletion will be reguested Confirm Del Confirm with the OK RH right key To guit press the LH left key Copy Card Menu See Copy Card chapter IO Test menu Menu that allows manual management test of the present outputs the Menu is composed of 3 folders e Manual Mode To test the o
4. fan 1 X 576 FInAE 577 SFAE Plant shutdown if all the digital fans are in maintenance X if all the digital fans are in mainte nance 577 SFAE fan 8 577 SFAE D Plant shutdown Alarm display in matrix only Compressor oil pressure differential circuit 2 AUU Alarm display Comp Oil Press Diff HP suction HP circuit 1 compressor Automatic compressor HP circuit 2 compressor Automatic compressor LP suction LP circuit 1 compressor Automatic compressor LP suction compressor LP circult 2 compressor in matrix only Alarm display in matrix only Alarm display in matrix only Alarm display Alarm display in matrix only Automatic in matrix only Alarm display in matrix only Alarm display in matrix only Cont suction comp Circuit 1 compressor ure thermal switch thermal switch Cont suction comp Circuit 2 compressor OEC thermal switch thermal switch Maintenance Maintenance Manual compressor 1 compressor 1 Maintenance Maintenance Manual compressor 12 compressor 12 Shutdown Circuit C2 compressor FR Comp Cont inverter shutdown Cont suction comp Circuit C2 compressor YH HD shutdown inverter shutdown Cont suction comp Circuit 1 inverter compres Manual maintenance sor maintenance Cont suction comp Circuit C2 inverter com maintenance pressor maintenance 580 SCAE compressor 1 580 SCAE compressor 12
5. The effective value of the fluctuating setpoint is limited below by 349 LdSP areas A and B To prevent fluid returns to the condenser prevent the gas subcooling Subcooling UCtemp see diagram is calculated by using the sub temperature probe value positioned upstream of the liguid receiver and that of the discharge probe If the internal ambient temperature probe is in error or not configured the function is not enabled and the correction is always 0 e f the request originates from a digital input the Energy Saving function will be activated de activated by changing the status of the digital input active with contact open e If the request originates from the Energy Saving function the economy will be activated de activated by changing the status of the Energy Saving function It will be activated if the Energy saving function requires it and de activated otherwise Keystroke Functions menu and remote reguests toggle activate de activate the funtion Time Bands e If time band control is already active the status specified for the current time band is forced when the time band itself starts e f during a given time band other requests from keystrokes the function menu or remote controls occur these are considered by the system SetPoint 145 AtdS Offset 136 dSPo1 137 dSPo2 ambient temperature 146 dAtdS gt Condensation dynamic setpoint 349 LdSP os AMENS
6. NOTE if the parameter contains only spaces the file is given the default name e RECORD REC for operating logs e HISTORY HIS for the alarms log file PARAM DAT for the parameters map file e GLOSSARY GLO for the glossaries file lt lill Er EWCM9900 KEYBOARD TECHNICAL DATA Housing PC ABS plastic resin casing UL94 V 0 polycarbonate window thermoplastic resin keys Insulation class Il the device must NOT be accessible in normal conditions Dimensions 160x96x10mm Lxhxd Mounting panel mounting with 138x68mm template See INSTALLATION Operating temperature 5 55 C Storage temperature 20 85 C Ambient humidity in use 10 90 RH non condensing and in storage Display LCD graphic display 128x64 pixels backlit with LEDs Keys 8 LEDs 3 Power supply from the power board Connector for base keyboard connection microfit 6 way quick connector length 3m max distance base keyboard 3m TECHNICAL DATA BASE BOARD 9900 Housing PC ABS plastic resin casing UL94 V 0 polycarbonate window thermoplastic resin keys Insulation class II the device must NOT be accessible in normal conditions Dimensions 315x110x60mm Lxhxp Mounting on DIN 18 rail Operating temperature 5 55 C Storage temperature 20 85 C Ambient humidity in use 10 90 RH non condensing and in storage Analogue inputs ff 4 NTC PTC voltage free digital inputs configurable by par
7. 3 Delivery gas temperature 4 Internal ambient temperature 5 External ambient temperature 6 Subtemperature sensor 7 Recovery water temperature 8 Generic alarm 9 Digital input AUX1 10 Digital input AUX2 11 Digital input AUX3 12 Digital input AUX4 13 Suction economy digital input C1 14 Suction economy digital input C2 15 Delivery economy digital input 16 Energy saving digital input 17 Refrigerant level 18 Refrigerant leak 19 Hot gas defrosting request C1 20 Hot gas defrosting request C2 21 Circuit lubricating oil level C1 22 Circuit lubricating oil level C2 23 Compressor differential pressure switch C1 24 Compressor differential pressure switch C2 25 HP Compressor C1 26 HP Compressor C2 27 LP Compressor C1 28 LP Compressor C2 29 Compressor thermal cut out C1 30 Compressor thermal cut out C2 31 Error INVERTER compressor circuit C1 32 Error INVERTER compressor circuit C2 33 Error INVERTER fan 34 Circuit suction gas pressure switch C1 35 Circuit suction gas pressure switch C2 36 Delivery gas pressure switch 37 Digital fan thermal cut out 1 38 Digital fan thermal cut out 2 39 Digital fan thermal cut out 3 40 Digital fan thermal cut out 4 41 Digital fan thermal cut out 5 42 Digital fan thermal cut out 6 43 Digital fan thermal cut out 7 44 Digital fan thermal cut out 8 45 Fan thermal switch regulated continuously 46 Compressor block 1 47 Compressor block 2 48 Comp
8. 578 CSAE 580 SCAE Cont suction compressor Cont suction 580 SCAE 2 compressor Manual 41 1 EWCM9900 UTILITIES ALARMS TABLE 2 2 Eu Compressor 1 shutdown 578 CSAE compressor 1 X if all the Compressor 12 shutdown 578 CSAE compressor 12 system compressors Suction inverter error Circuit C1 compressor Automatic 579 C nAE inverter are in inverter error compressor C1 maintenance parameter 302 FACt Yes see table Analogue alarms alarm LP Inverter Error Circuit C2 compressor inverter suction Suction inverter error Automatic 579 CInAE compressor C2 pressure switch or Maximum suction probe on circuit C1 or C2 but not on both Cil level k 3 k 3 581 oLAE compressors Ci C1 if all the system compressors are in oil level alarm mode parameter 302 FACt Yes 4 Oil level Manual 581 oLAE compressors C2 alarm LP level suction pressure switch or Maximum suction probe on circuit C1 or C2 but not on both Timeout Prevention CHDI 117 Automatic 701 HPPAE display only alarm timeout Simultaneous tripping of the thermal switches of all digital fans results in a shutdown alarm see table Analogue alarms 41 1 EWCM9900 MW ANALOGUE ALARMS TABLE 1 3 c goud uon ns winwixeyy JO c UIJIMS jenuew ainssaid uon ns JIZUNIJDX dH JO 92uos9ud ul Aluo jenueuu 4 76001 1E
9. 584 H201 Relay OUT1 585 H202 Relay OUT2 596 H213 Relay OUT13 Configuration of outputs on relays OUT1 0UT13 positive values indicate direct polarity negative indicate reverse polarity 0 Disabled 1 Digital output AUX1 2 Digital output AUX2 3 Digital output AUX3 4 Digital output AUX4 5 Digital output central gas expulsion gas leak 6 Liquid return control digital output C1 7 Liquid return control digital output C2 8 Safety relay digital output 9 Cumulative alarm digital output 10 Power on digital fan 1 11 Power on digital fan 2 12 Power on digital fan 3 11 Power on digital fan 4 12 Power on digital fan 5 15 Power on digital fan 6 16 Power on digital fan 7 17 Power on digital fan 8 18 Enable INVERTER fan 19 Power on compressor 1 20 Power on compressor 2 21 Power on compressor 3 22 Power on compressor 4 23 Power on compressor 5 24 Power on compressor 6 25 Power on compressor 7 26 Power on compressor 8 27 Power on compressor 9 28 Power on compressor 10 29 Power on compressor 11 30 Power on compressor 12 31 Enable INVERTER compressor C1 32 Enable INVERTER compressor C2 33 Segmentation 1 compressor 1 34 Segmentation 2 compressor 1 35 Segmentation 3 compressor 1 36 Segmentation 4 compressor 1 37 Segmentation 5 compressor 1 38 Segmentation 1 compressor 2 39 Segmentation 2 compressor 2 40 Segmentation 3 compressor 2 41 Segmentation 4 compressor 2 42 Segmentation 5 com
10. Activation with delay in relation to turning off the compressors defined by 559 LrCd Lig Ret Ctrl Delay The ON OFF times are defined by 560 Lron d c ON time Lig Ret 560 LroF d c OFF time Lig Ret If at least one of the compressors on which the function is active turns on the control deactivates BEAT RECOVERY The heat recovery control is determined by parameters 627 H405 630 H408 if at least one of these 7 recovery water temperature The function can be enabled only in the Time Bands menu and is defined by 557 Hrto Max Tp OUT Recovery 558 Hrdt Delta Tp Recovery The discharge Economy function will be deactivated if the recovery water temperature is less than 557 Hrto The Discharge Economy function returns to active in the current time band if the recovery water temperature is greater than 557 558 The function will not be active in case of recovery probe failure the function is disabled when the discharge economy function is modified AUXILIARY CONTROL AUX Controls directly up to digital auxiliary outputs The AUX activation request may come from scheduled time band dedicated digital input for the function in question key functions menu remote supervision system or web If the request originates from a digital input the AUX output will be activated de activated by changing the status of the digital input active the temperature measured by he subcoolin
11. eaqoJd uon ns UJnUJIXelA ogoud uonons UJnUJlulW uondi seg 231A S o4nssoud 49M 9p 41 x c eqoid uon ns winwixeyy x c uon ns unuululWw eqoud uon ns unulxelw eqoud uol ns unuiuiw 41 841 EWCM9900 MW ANALOGUE ALARMS TABLE 3 3 L 3d L LOG 3ueseJd Z N11 JI x UMOPJNUS Ue Josso4duio gt x 1VH 8 01 pappe si uiod 3 s L SQV PS JI 1ulod1 s O qurod3es uoneAnoy p p x pjoys 1y uoneAnoe a uunulxeul U UM papeo ov 299 ssed g OVd 995 76001 x TWIP ZEE 171 86 4VPd V S OLNV ogoud AioNjed 10119 ogoud Jo 320 ose ui pojgesip uue v Oed 99S SUI 40 40 3e possedAg uue V Quiodies wo pe12enqns si jy PVE L SQV vvS Jl 1uIochos o 9Ane o1 3urod3es uoneAn y p p x pyoysasy uoneAn e UJUM papeo ov 29g ssed g 10119 3Q01d AJ9AI op JO umnuuuiuu ogoud AJaAljaq ose ul Pojqesip uue V Oed 99S SUI 40 UO 1 MOd 3e possedAg uue V ov 95 3 TWIP EVE OVd 995 amou jenuew sAemje 0 u d Jl peu yenuew uyjd lt JI SKAEMJE SI WUJEJE uinuiiuiul e Kuo JOJE2IPUN OM qo1d J AI p JO ased Ul i pe s Grp TA jenuew jenuew JI asy uueje id T I SdAQ ZLE ji 001 3e aus x UI SuonusAJ91UI ON JI 2neuiony y 0 np 70u Juejd y 01 MODUIM lin d OLE p rdde Jamod squana ouyua I 18 papeoj s ssed q 9UL d
12. 515 EACI Enable COMP INV 0 1 0 flag O No 1 Yes 516 EAFI Enable FANS INV 0 1 0 flag O No 1 Yes 517 EACIE Enable ERR COMP INV 0 1 0 flag O No 1 Yes 518 EAFIE Enable ERR FANS INV 0 1 0 flag O No 1 Yes 519 EAgA Enable DI Alarm 0 1 0 flag 0 No 1 Yes 520 Fnty Fan mode 0 2 1 number 1 continuous fan analogue max 8 digital fans 521 nFn Fan number 1 8 5 number Significant if 520 Fnty 2 0 HOMOGENEOUS STEPS 522 CtyP Type Circuit 1 0 2 0 number 1 NON HOMOGENEOUS STEPS 2 HOMOGENEOUS STEPS INVERTER 0 only permitted if 523 CPnU Num COMP circuit 1 0 12 4 number 522 CtyP 2 The sum 523 CPnU 525 CPnU2 lt 12 0 HOMOGENEOUS STEPS 524 CtyP2 Type Circuit 2 0 2 0 number 1 NON HOMOGENEOUS STEPS 2 HOMOGENEOUS STEPS INVERTER 0 only permitted if 525 CPnU2 Num COMP circuit 2 0 12 4 number 524 CtyP2 2 The sum 523 CPnU 525 CPnU2 lt 12 ICOMPRESSORS foder TT TTT 551 Stty Central Set 0 1 1 flag 1 Central Set 552 PoLI Activation Policy Os 2 number 553 SEr COMP time limit 0 32000 32000 hours 101 CCFn COMP control type 0 2 0 number 102 ItEn Full control 0 1 0 flag O No 1 Yes 103 It Full time 0 1 90 60 Secs 104 PbEn Prop control 0 1 0 flag 0 No 1 Yes 105 dtEn Derivative control 0 1 0 flag O No 1 Yes 106 dt Derivative time 0 1 90 60 secs 107 dSS Suction Dyn set mode 0 1 1 number 108 CPP Enab
13. 999 9 F 235 PbdE Extended proportional band A ep 1 41 kar bar 14 5 999 9 PSI 100 600 C 150 999 9 F 236 dSPo1 Offset 1 for dyn set 4 68 0 28 bar bar 14 5 999 9 PSI 100 600 C 237 dSPo2 Offset 2 for dyn set 0 28 J bar 1 68 bar 14 5 999 9 PSI 100 600 C 238 dLAL Delta LAL 0 28 E bar 1 68 bar 14 5 999 9 PSI 100 600 C 239 LAL Minimum alarm 5 47 E bar 1 68 bar 14 5 999 9 PSI 100 600 IG 240 dHAL Delta HAL 0 28 F bar 1 68 bar 14 5 999 9 PSI 41 1 z EVVCM9900 Default Parameter Range U o M Notes 100 600 G 241 HAL Maximum alarm 5 47 d bar 1 68 bar 14 5 999 9 BI 100 600 C 242 Cod1 Cut off delta 1 i 0 28 E bar 1 68 bar 14 5 999 9 PSI 100 600 C 243 Cod2 Cut off delta 2 0 1 68 14 5 999 9 PSI 100 600 C 2 150 999 9 F 244 InLPt INV min pot limit 1 68 3 19 bai bar 143 9999 ES 245 AtdS Set dynamic amb Tp 150 999 9 15 d C 246 dAtdS AtdS differential 150 999 9 2 oF C FANS folder MT oe 301 FcFn FAN control type 0 2 0 number 302 FACt Activation mode 0 1 0 flag 0 fans independent from the compressors 303 CoIE Enable INV cut off O 0 flag O
14. INVERTER The circuit is composed of a single continuous control compressor This is obtained from a HOMOGENEOUS STEPS INVERTER circuit by setting 523 CpnU 0 The INVERTER compressor is controlled by an analogue output and digital INVERTER enabling output optional Parameters 502 PC1 to 513 PC12 and 120 nCPC are ignored Each compressor including the continuous control unit has its own digital shut down input The following may also be present as options which are common to all compressors on the same circuit differential pressure switch digital input digital input HP digital input LP thermal switch digital input The shut down input immediately stops the affected compressor and sends a compressor shut down alarm signal while the optional inputs only deliver an alarm signal Given the matrix handling of optional alarms the cause of the alarm may not be uniguely identifiable The continuous control compressor also has if so desired a digital INVERTER error input optional With the exception of the circuit controlled by a single INVERTER compressor you can define a compressor to be the Master of the step compressors by setting parameter 120 nCPC gt 0 For example if 120 nCPC 1 then the first step compressor on the circuit is the master If 120 nCPC 0 no compressor is the Master The compressor oil level digital input is the same for all compressors on the same circuit 41 1 ES EWCM9900 l
15. Menu for selecting the method of using the Time Bands The weekly mode indicated with 24H indicates that every day will have the same settings Mode 1 indicates that from Monday to Friday there will be one setting and at the weekend another Mode 2 reguires Sunday to have a different setting to the rest of the week To access and change the F O Time Bands mode proceed as described above The values are 0 weekly mode 1 weekdays Saturday Sunday or Monday gt Friday plus Saturday gt Sunday 2 weekdays including Saturday plus Sunday or Monday gt Saturday plus Sunday Settings Menu for changing the parameters of each single band To access and change the F O Time Bands mode proceed as described above The display is determined by what is set in the Mode Menu In the example the F O mode is setto 1 For each group of days it is possible to set 6 independent and separately activatable time bands One function can be enabled disabled for each time band Example Mode We have selected mode 1 week divided into Monday gt Friday and Saturday gt Sunday In the settings menu we access Mon Fri Days Mon Fri We consider the first time band NOT active Band 1 No the start time is nonetheless determined by Band 1 hours and Band 1 minutes default 0 00 i e midnight We consider the first time band active Band 2 Yes With Band 2 hours we set the starting time in hours of
16. Note that each input has two separate values SIG1 2 3 in Bar and PSI PB1 4 in C and F Configuration of analogue inputs The Probes Menu only allows you to view the analogue input values To configure them use the Configuration folder in the Parameters menu The analogue inputs are configurable in pairs with the following parameters e 646 Sigl 2 Probe Type SIG1 2 647 Sig34 Probe Type SIG3 SIG4 is NOT present 648 Pb12 Probe Type PB1 2 649 Pb34 Probe Type PB3 4 I ALUE DISPLAVS resolution of the regulation and accordingly the display is determined by the following table EWCM9900 default configuration e The SIG1 transducer is used as a current suction transducer The SIG2 transducer is not used The SIG3 transducer is used as a current delivery transducer PB1 is an NTC probe for measuring the internal temperature for the suction dynamic setpoint PB2 is an NTC probe for measuring the external temperature for the delivery dynamic setpoint PB3 is an NTC probe for measuring the internal subtemperature for the delivery dynamic setpoint PB4 is an NTC probe Not used Model EWCM9900 configuration 501 tyP 501 The SIG2 transducer is used as a suction transducer for circuit 2 when powered place 654 H402 2 NOTE SIG1 and SIG2 are ALWAYS of the same type e g 4 20mA e PB1 and PB2 are ALWAYS of the same type e g NTC e PB3 and PB4 are ALWAYS of the same type e g digital
17. UOI JEINZIJUOD Ol uondu s q 101443 9n eA DLY 443 UONMBEDIUNUUWUO DLA poisneyxj neg 214 140119 5 NOUd11 101149 solg WONd31 113 BIJUO Ol lt lill EN EWCM9900 USB COPY CARD The USB CopyCard is an accessory which enables quick parameter programming glossary updates and alarms log records etc management the USB CopyCard is equipped with a TTL connector for connection to the TTL serial port of the EWCM and a USB connector which connects to the USB port of a PC During use the LED on the CopyCard will start flashing TTL Side USB side to connect to to connect to a the EWCM J H The Copy Card menu is accessible via the Service Menu Access to the Service Menu requires a password Service Menu folder 02 03 is shown here move onto the Copy Card folder with the UP and DOWN keys and enter the desired folder with the OK key Copy Card Menu Menu composed o 5 folders access to each folder is analogous to what is described above Download to EWCM it allows downloading on EWCM information of various types Upload to Copy Card it allows uploading to Copy Card information of various types SERVICE 02 03 Copy Card IO Test IO State COPY CARD 01 02 Download Upload Map Upload Glossaries COPY CARD 02 02 Upload Alarm History Format CopyCard Format FORMAT CCARD 01 01 Operation State lt Operation State gt The Format menu formats cancels
18. slt uwopinus uopeAnoe 1osse1duio mamen as En d4L du UINMS eJnssaJd AiaNlap dH W1 vve AVPd vZS OLNV 4Vbid ZS SJU9AJ MOPUIM SUD u SUOI2U9AJ9 UI ON S u uondu s q As Al q Vun Eu unuiuiu aqoid As Al q 231A S o1nssoJd dH lt lill 53 EWCM9900 IB OBE ERRORS TABLE 1 3 9goud 92ejd91 o 3ULIIM 529U2 9AI2e 1d y JJNEJ JO oui 3e so24noseJ DAN ON 442 802 J 4404 602 0 de PAJPANJE 5921 5 Sa 442 802 J yoeq 01 anjea sinjesadwia peas y 40J JIEM o eqoud 92ejd91 o 3ULIIM 2 U2 9goud 92ejd91 o 3ULIIM gt 29U2 9AD2e 1d y JJNEJ JO JUL 3e so24noseJ ON 442 801 J 4404 601 0 3ulp4o2 9e p31eAn2e 5921 5 594 442 801 JI yoeq IWOI 01 anjea sinjesadwia peas y 40J JIEM e eqoud 92ejd91 e 3ULIIM 23U2 yoeq 9ul02 niPA sinjesadwia peas ay 40J JIEM e qoid e ejdaJ e 3ULIIM 2 UNOOUSIJQNO1JL S9330N pe unouue sAeM e wee Ulnullulul uouio3eueul UlJe e UIJIMS o4nsseud uonons e po gesip JUBWISEULW wee uonons uinuiiuiuI UInulIXeJN pe unouue sAeM e WUJe e uunuuiuiu u9uio3eueul UlJe e UIJIMS aunssaid uonons o pojqesip Juawaseuew wee 4011215 WNUWIUIW UNUIXEJN pojqesip 1u1od jas JILIEUAp uonons ces Jed WOJJ 5 12243 ogoud o Jeuiuou v p s no oue SanjeA paJnseauJ ogoud o JBUEJ JEUIW
19. 0 619 H303 IN Digital LV DI3 53 53 0 number 0 0 620 H304 IN Digital LV D14 53 53 10 number 10 0 621 H305 IN Digital LV DI5 53 53 8 number 8 0 622 H306 IN Digital LV DI6 53 53 6 number 6 0 623 H401 IN Analog 5161 0 3 1 number 1 1 624 H402 IN Analog SIG2 0 3 0 number 0 circuit 2 suction 625 H403 IN Analog SIG3 56 56 3 number 3 3 627 H405 IN Analog PB1 60 60 5 number 5 5 628 H406 IN Analog PB2 60 60 6 number 6 6 629 H407 IN Analog PB3 60 60 0 number 0 0 630 H408 IN Analog PB4 60 60 4 number 4 4 631 H501 Analog OUT VII 0 3 1 number 1 1 632 H502 Analog OUT V2 12 Od 0 number 0 0 633 H503 Analog OUT V3 I3 0 49 0 number 0 0 452 USId1 User string 1 0 20 fi string iacao charade 453 USId2 User string 2 0 20 string 459 rECF File name REC 0 10 m string 460 HISF File name HIS 0 10 string Pup th 461 dAtF File name DAT 0 10 string 462 gLoF File name GLO 0 10 strin PASSWORD SS CNN EE I 634 PSW1 Password 1 0 55 75 string max 5 characters i indicates 635 PSW2 Password 2 0 5 string Password not present 636 PSW3 Password 3 omo 55 string 637 PSW4 Passvvord 4 0 5 o string visible from Service Menu 638 PSW5 Password 5 0 5 eene string NOTE ALL the values in bar PSI are expressed in Absolute Pressure and are dependent on parameter 543 rELP where not expressl
20. 00 Band 6 gt 20 00 and all functions are enabled lt lill EWCM9900 FUNCTIONS MENU The Functions Menu allows manually setting and checking by keyboard some of the functions that can be associated with the Function keys By default the functions are all disabled To activate the desired function move onto the function with the UP and DOWN keys and press the OK key The function will activate and the word No related to the function will be updated to Yes AVAILABLE FUNCTIONS Mute If the displayed value is On following an alarm condition the alarm will immediately be acknowledged Eco Asp Suction Economy function Eco Cond Discharge Economy function Function that enables disables the reduced set for the sections respectively of suction and discharge Note activation de activation of these functions is also determined by the En function Saving En Saving Energy Saving The energy saving function controls all suction and discharge economy functions The activation mode is defined by parameter 556 ESFn Menu Parameters gt Functions If the displayed value is On the Energy Saving LED will be on steady See dedicated paragraph Funzioni Aux Auxiliary functions Aux1 Aux4 The device can control up to 4 auxiliary relay outputs CTRitLig Liguid Return Control MERCY SAVING En Saving Energy Saving The energy saving function controls all suction circuit 1 and circuit 2 and dischar
21. 1999 1999 Bar 3 69 3 69 13 7 PSI 0 1 1 1999 1999 PSI 53 5 53 5 198 SS 0 1 0 1 1999 1999 C 0 1 0 1 0 1 F 0 1 0 1 1999 1999 of 0 1 0 1 0 1 Note Note If 650 HSig we have SIG1 Circuit suction 1 SIG2 Circuit suction 2 if present see Unit of Resolution Resolution Range par 501 tyPE 2 and 654 H402 2 measurement Suction Discharge S G3 delivery Bar 0 1 0 1 1999 1999 PSI 1 1 1999 1999 lt lill EWCM9900 MW co MPRESSORS FANS STATUS This Menu shovvs the state of the compressors and the fans The first screen displays the status of the compressors Compressors The display shovvs upper side for compressors fans of the main menu fig A compressor symbol LP Low Pressure symbol suction side value read by the suction probe in the unit of measurement defined in the main display e g 9 55 Bar lower side for the compressor and analogue outputs fig B left side e the state of the compressors present and the number of steps e g 2 compressors 4 steps see the two boxes highlighted by a double frame the first one indicates the compressors the second one steps In the example in fact there are 2 compressors present and turned on Both are active the first one has 1 active step the second one all 4 steps active right side the presence or otherwise of the analog outputs and their percentage of use identified by a vertical bar divided into 6 notche
22. I O assignment is also allowed during normal operation of the device Manual assignment of digital outputs To assign the relay outputs OUT1 0UT13 set parameters 584 H201 596 H213 Manual digital input assignment To assign high voltage digital inputs DIH1 DIH10 set parameters 603 H101 612 H110 To assign voltage free digital inputs DI D set parameters 617 H301 620 H304 lt lill Manual assignment of analogue outputs To assign analogue outputs V1 11 V2 12 set parameters 631 H501 and 632 H502 Manual assignment of analogue inputs e To assign analogue inputs SIG1 and SIG2 set parameters 623 H401 and 624 H402 e To assign analogue inputs PB1 PB4 set parameters 627 H405 630 H408 Note analogue inputs PB1 PB4 can also be configured as digital to do this you must configure parameters 648 Pb12 and 649 Pb34 EXAMPLES EWCM9900 default configuration add refrigerant level alarm add refrigerant leak alarm move fan relay 4 from OUT13 to OUT11 Configuring the refrigerant level alarm Configure DI1 and refrigerant level by setting 617 H301 10 depending on the value of parameter 571 gtSAE the actuation of digital input DI1 will either result in an alarm signal or shut down the plant Configuring the refrigerant leak alarm Configure DI2 as refrigerant leak by setting parameter 618 H302 12 while to configure the central gas expulsion output for example on OU
23. Lower Limit SIG1 14 5 14 5 7 2 PSI 664 UtSlg1 Upper Limit SIG1 1 10 8 bar 665 LtSlg2 Lower Limit SIG2 14 5 14 5 116 PSI 665 LtSlg2 Lower Limit SIG2 1 1 0 5 bar always displayed as an absolute value 665 LtSlg2 Lower Limit SIG2 14 5 14 5 7 2 PSI Not dependent on parameter 666 UtSIg2 Upper Limit SIG2 1 10 8 bar 543 rELP 666 UtSlg2 Upper Limit SIG2 14 5 14 5 116 PSI 667 LtSIg3 Lower Limit SIG3 1 1 1 bar 668 UtSIg3 Upper Limit SIG3 14 14 14 PSI 668 UtSlg3 Upper Limit SIG3 1 100 31 bar 667 LtSIg3 Lower Limit SIG3 14 1450 449 PSI Kq I 0 First language 541 LAng Language Selection 0 1 0 flag 1 Second language 542 toUt Time out menu 10 1000 300 secs 543 rELP Relative pressure oml 1 flag O No 1 Yes 544 AbS Relative alarms 0 1 1 flag O No 1 Yes 547 UMCP UM Suction 0 3 2 number 548 UMFn UM delivery 0 3 2 number 549 LoCK Keypad lock 0 1 0 flag 0 No 1 Yes 550 HKUnL Unlock Keypad Hotkey 0 12 8 number EWCM9900 Parameter Range pour U o M Notes 554 drEn Record Data 0 1 0 flag O No 1 Yes 555 HIEn Record history 0 1 0 flag O No 1 Yes 556 ESFn Energy Saving Type Gat 0 number 557 Hrt
24. Lower proportional correction for condensation dynamic set due to subcooling e 353 SCoF1 Offset subcooling Lower fixed correction for condensation dynamic set due to subcooling 354 SCd2 Delta2 subcooling Higher proportional correction for condensation dynamic set due to subcooling 355 SCoF2 Offset2 subcooling Higher fixed correction for condensation dynamic set due to subcooling 356 EtPr TP Ext safety Minimum value for subtemperature probe to be added to the external temperature for condensation dynamic set enablement 331 LSE Minimum setpoint lt lill 332 HSE Maximum setpoint Minimum maximum limit on programming the delivery set 333 SEt delivery setpoint 334 Pbd proportional band Proportional delivery band e 335 Cod1 cut off delta 1 Fan cutoff hysteresis 336 Cod2 cut off delta 2 Fan cutoff differential 337 dHAL Delta HAL Maximum alarm threshold differential 338 HAL Maximum alarm Value of pressure that added to the Set determines the maximum alarm limit 343 dLAL Delta LAL Minimum alarm threshold differential 344 LAL Minimum alarm Value of pressure that subtracted from the Set determines the minimum alarm limit 345 InLPt INV min pot limit SAFETY PARAMETERS e 565 odo Output Delay Pw On Duration in seconds for cutting off the compressor outputs from switching on the instrument e 566 PAO Al cut off power on Alarm exclusion at
25. No 1 Yes 304 ItEn Full control 0 1 0 flag O No 1 Yes 305 It Full time 0 1 90 60 secs 306 PbEn Prop control 0 flag O No 1 Yes 307 dtEn Derivative control 0 1 0 flag O No 1 Yes 308 dt Derivative time 0 1 90 60 secs 309 InLSP Minimum speed 0 100 20 310 InMSP Top speed 0 100 80 311 INSSP Saturation speed 0 100 90 312 FPP Enable ERR control 0 1 0 flag O No 1 Yes 313 FPr ERR power value 0 100 50 314 dSd Del Dyn Set Mode 0 1 1 number 315 PEn Max time LPr alarm 0 20 3 number 316 PEI PEn interval 15 15 mins 317 byPS HPr LPr bypass time 0 999 2 mins 318 HPPE Enable HP saf 0 1 0 flag O No 1 Yes 319 HPPP Red Pow HP Saf 1 100 30 320 HPPd Max duration HP Saf 0 999 15 mins 321 HPPI Interval HP Saf 0 999 10 hours 322 rot Activation policy omi 0 flag 1 Rotation 323 Clt Pick up time 0 120 30 secs 324 don ON steps time 0 999 015 secs 325 doF OFF steps time 0 999 5 secs 326 FStt Max OFF time 0 999 24 hours 327 SEr FAN time limit 0 32000 32000 hours 328 Inot Max time INV a 0 0 999 15 mins 329 InPC inverter variation 1 100 20 330 InoS INV activation mode 0 0 1 1 number 346 dSdo Dyn Offset Dyn Set 100 090 5 7 K m 085 t 347 dSLdo Min Offs Dyn Set dyn 150 999 9 3 is C 348 dSMEt Max Ext Temp Set dyn 150 999 9 30 i C 349 LdSP Min Dynamic Set 150 99
26. Paaren F Yody Seal peti ETE uk m r ja metr Cp D A Seach 1 ilr Apoy but n opora a es Bu Oe Case B Lock enabled On the instrument for example the value in C of parameter 131 LSE will be edited and the instrument will NOT recalculate the other measurement units i e it will save the changes made by the operator If the device is setting in C the setting will be edited on the basis of the changes If the device is setting in another measurement unit the setting will be independent and will not take into account the changes unless the setting is changed manually on the device Note usually the operator prepares the map that he she intends to load into the device inclusive of the doubled guadrupled parameters that involve the assigning of different default values on the basis of the different measurement units With the Lock function therefore it is guaranteed that the values assigned in this session will be written accurately Modalit CFG xj EN Impostazione modalit CFG non riuscita 1500 9989 670 ann 026 5 120 Devine manison options z yei deeg Wm wh device por k Cons D k C bepred 4 Pamee Wett Seal pati 546 CN ila lad ew Cha f Sap o Apoy button optors Gun w Tal e Bu pe Consult the 8MA0006 ParamManager release 2 08 or later manual for further details Saving DAT files To
27. PrSAE 701 HPPAE is set to 3 and the corresponding alarm is active The actuation of the relay depends on the correct allocation of the output itself COMPRESSOR ALARMS IN MATRIX Each compressor is eguipped with a blocking digital input The activation of this input depending on parameter 578 CSAE results on an alarm signal and potentially the immediate stopping of the compressor The following digital inputs may also be present as options which are common to all compressors on the same circuit differential pressure switch digital input HP digital input LP digital input thermal switch digital input Note e If a compressor block actuates the activation of one or more of these inputs allows us to easily identify the cause The compressor block input may also stop the compressor while the matrix inputs can only give an alarm notification e f more than one compressor is blocked at the same time the cause of the block will not uneguivocal ALARMS LOG The alarms log is enabled by 555 HlEn 1 The log contains a maximum of 50 alarms A new alarm after this limit is reached will result in the loss of the oldest alarm When a new alarm is activated it is immediately entered in the alarms history This does not apply to automatic pressure switch alarms which are only notified on the display If the alarm is already present in the history and it has occurred within the same hour the hourly freguency
28. Timout Alarm 0 1 1 number T7 Esc aW 639 tAb TAB 0 32767 1 number 640 rtCE RTC Enabling 0 1 1 flag 0 No 1 Yes 641 FtyP Type of Gas omis 4 number 646 Slg12 Probe Type SIG 1 2 02 0 number 4 20mA 647 Slg34 Probe Type SIG 3 4 Oe 0 number 4 20mA 648 Pb12 Probe Type PB 1 2 3 6 4 number NTC 103AT 649 Pb34 Probe Type PB 3 4 3 6 4 number NTC 103AT 650 HSIg1 SIG1 High Precision 0 1 1 flag 1 High Precision 651 HSlg2 SIG2 High Precision Dd 1 flag 1 High Precision 652 AoS1 Selection V1 or 11 0 1 1 number Current 653 AoS2 Selection V2 or 12 0 1 1 number Current 654 AoS3 Selection V3 or 13 0 1 1 number Current 655 CALSIg1 Calibration SIG1 10 10 0 bar 655 CALSIg1 Calibration SIG1 145 145 0 PSI always displayed as an absolute value 656 CALSIg2 Calibration SIG2 10 10 0 bar Not dependent on parameter 656 CALSIg2 Calibration SIG2 145 145 0 PSI 543 rELP 657 CALSIg3 Calibration SIG3 10 10 0 bar 657 CALSIg3 Calibration SIG3 145 145 0 PSI 659 CALPD1 Calibration PB1 10 10 0 C 659 CALPD1 Calibration PB1 18 18 0 F 660 CALPb2 Calibration PB2 10 10 0 C 660 CALPb2 Calibration PB2 18 18 0 F 661 CALPb3 Calibration PB3 10 10 0 C 661 CALPb3 Calibration PB3 18 18 0 F 662 CALPb4 Calibration PB4 10 10 0 C 662 CALPb4 Calibration PB4 18 18 0 F 663 LtSlg1 Lower Limit SIG1 1 1 0 5 bar 663 LtSlg1
29. all information from the USB CopyCard You are recommended to perform this operation every time before making an Upload To format the key press the OK key The message that will appear will be Operation State The state of the operation can be No operation Operation in progress Operation terminated Operation terminated successfully N B wait it can take a few minutes If the operation is not finished successfully an error message is displayed Error Messages Err No CopyCard gt the Copy Card is not connected Upload Map UPLOAD MAP 01 01 State lt Operation State gt Menu that allows uploading the whole parameters map to the USB Copy Card The name of the exported file is set in parameter 461 dAtF see parameters description The file extension is DAT Upload Glossaries Menu that allows uploading the whole glossary to the USB Copy Card The name of the exported file is set in parameter 462 dgLoF see parameters description The file extension is GLO Alarm Upload History Menu that allows uploading the whole alarm log to the USB Copy Card The name of the exported file is set in parameter 460 HISF see parameters description The file extension is HIS To upload the file select lt Upload gt and press OK The message that will appear will be Operation status see Format or an error message can appear Error Messages Err No Copy Card gt
30. amb Tp 146 AtdS differential e 131 LSE Minimum setpoint 144 InLPt INV min pot limit relative to the first suction circuit circuit 1 or C1 and always displayed COMPRESSOR PARAMETERS 2 The parameters 201 CCFn COMP control type 230 InLt INV time at min speed 245 AtdS Set dynamic amb Tp 246 AtdS differential e 231 LSE Minimum setpoint 244 InLPt INV min pot limit relative to the second suction circuit circuit 2 or C2 and only displayed if the Quick Start 501 tyPE parameter 1 plant with single delivery shared drain compressors Their meaning is analogous to those in the Compressor Menu see for ref The correspondence between the Compressors and Compressors 2 parameters is as follows 1xx gt 2xx Example 133 SEt suction set point corresponds to 233 SEt suction set point The following chapter always refers to the first circuit C1 but the points made are completely analogous for the second circuit C2 41 1 LS EWCM9900 lc opp rss Op CONTROL ENABLING Control is activated after a delay of 565 odo a temperature probe or pressure probe must be configured for suction control control probe LP One of the following types of circuits can be selected by parameter 1 522 CtyP 0 circuit composed of step compressors segmented or not segmented with steps of the same power HOMOGENEOUS STEPS 2 522 CtyP 1 circuit composed of step compressors not segmented with st
31. band the control is proportional actuating or removing a resource only EVEN STEPS or EVEN STEPS INVERTER according to the power request Case 101 CCFn 1 outside the band the adjustment takes place by turning a resource on or off according to the required power 135 PbdE Extended proportional band Extended proportional suction band Parameter significant if 101 CCFn 1 dead band Note typically set to 135 PbdE gt 134 Pbd 136 dSPol offset 1 for din set Correction applied to suction setpoint 133 SEt if 146 dAtdS 0 and the ambient temperature is lt 145 AtdS 137 dSPo2 offset 2 for din set Correction applied to suction setpoint 133 SEt during weekends if 983 Tbtyp 1 2 se Time Bands chapter The parameters 136 dSPo1 137 dSPo are significant if 107 dSS 0 See Economy Function section e 138 dLAL Delta LAL e 139 LAL Minimum alarm Value of pressure that subtracted from the Set determines the minimum alarm limit e 140 dHAL Delta HAL e 141 HAL Maximum alarm Value of pressure that added to the Set determines the maximum alarm limit 142 Cod1 cut off delta 1 Cutoff hysteresis INVERTER temperature value to be added to 133 SEt If the value exceeds this sum the control passes from ON OFF to continuous after the time set by 143 Cod2 143 Cod2 cut off delta 2 Cutoff differential INVERTER temperature value relative to 142 Cod1 at which modulating
32. bar 14 5 999 9 PSI 100 600 C 340 HPP1 HP Saf Limit 1 a 6 2 F bar 1 68 bar 14 5 999 9 PSI 100 600 C 341 HPP2 HP Saf Limit 2 6 4 j bar 1 68 bar 14 5 999 9 PSI 100 600 C 342 HPPb HP Safety alarm band M 0 4 i bar 1 68 bar 14 5 999 9 PSI 100 600 G 343 dLAL Delta LAL 5 0 8 F bar 1 68 bar 14 5 999 9 PSI 100 600 C 344 LAL Minimum alarm M 6 6 bar 1 68 bar 14 5 999 9 PSI 100 600 C I 150 999 9 F 345 InLPt INV min pot limit 1 68 15 bar bar 14 5 999 9 PSI D E TI 565 odo Output Delay Pw On 0 999 1 secs 566 PAO Pw On Al Exclusion 0 999 15 mins 567 tAo HP LP bypass time 0 999 0 mins 568 Aro Alarm sil duration 0 9999 15 mins 569 PrSAE HPr LPr Suct Alarm 0 6 2 number 570 PSAE HP LP Suct Alarm 0 3 2 number 571 gtSAE Gas Level Alarm 0 3 3 number 572 gLSAE Gas leak alarm 0 3 1 number 573 PrdAE HPr LPr Man Alarm 0 3 2 number 574 PdAE HP LP Man Alarm 0 3 2 number 575 FtAE Fans thermal alarm 0 3 2 number 576 FInAE Fan Inv Prot Alarm 0 3 2 number 577 SFAE Fan Maint Alarm 0 3 1 number 578 CSAE Comp shutdown alarm AE 2 number 579 CInAE Comp Inv Prot Alarm d 2 number 580 SCAE Comp Maint Alarm Ud 1 number 581 oLAE Oil Level Alarm 0 3 1 number 582 gAAE General alarm 0 3 2 number 583 rtCAE RTC Alarm 0 3 1 number 701 HPPAE Saf Meas
33. conrol starts The speed 2 is defined by the parameter 114 InLSP 144 InLPt INV min pot limit COMPRESSOR PARAMETERS 2 Folder with only the Quick Start 501 tyPE 1 parameter displayed plant with single delivery shared drain compressors The parameters displayed in the folder are 201 CCFn COMP control type 230 InLt INV time at min speed 245 AtdS Set dynamic amb Tp 246 AtdS differential e 231 LSE Minimum setpoint 244 InLPt INV min pot limit Their meaning is analogous to those in the Compressor Menu see for ref The correspondence between the Compressors and Compressors 2 parameters is as follows 1 gt 2xx Example 133 SEt suction set point corresponds to 233 SEt suction set point FAN PARAMETERS 301 FcFn FAN control type Selects the type of fan control O Proportional 1 Dead band 2 PID 302 FACt Activation mode If 0 the fans run independently of the compressors If 1 at least one compressor must be on 303 ColE Enable INV cut off Cutoff enable 02No 1 Yes 304 ItEn Full control Use of full component PID O No 1 Yes 305 It Full time Time in seconds of the full component of PID setting 306 PbEn Proportional control Use of proportional component PID O No 1 Yes 307 dtEn Derivative control Use of derivative component PID O No 1 Yes 308 dt Derivative time Time in seconds of the proportional derivative com
34. dd 211 du3 UIHMS ainssaid uon ns gH z aqoud uon ns JO JIJEWOJNE SAEMJE 0 usad 1 p unou yenuew u3d JI SKAEMJE SI uue e LINWILIW e uo JOJEDIPUI JoJJ9 eqoud uonons JO ese ul u3d gt MODUIM dW SdAG LL H S1 uueje oU1039np3ou3uejd UI SUONUIBAJJJUI ON JI 2neuiony y o poljdde uoneueA Jamod MODUIM 9WI UJd LLL Alana ye popeoj si ssed q 9UL S3U A OU dd 211 c UIJIMS o4nssoud uon ns 4110 jenuew 92uasaJd ul JUO H HNDI x uieJp JI 9SIMJ9Q10 ulu ew pJepuejs JO SE Jenueuu JI X Q S EEL gt ogoud 10202 41 231A S ainssaid uon ns 41 dil UIJIMS ainssaid uon ns 41 JVSId 698 SJU9A3 uonpAn e 395 MOPUIM 9UU1 UI SUOI2U9AJ9 UI ON 9SOM uMopinus ssed g Jossaidwo y SIS9J9JSAH JIJIWLJO4 d4L uondu seg 41 1 EWCM9900 p unou SKAEMJE SI LUJEJE unuululuu e 10 19 qo1d AJ9AI 9p JO ese Ul Hasy wueje v 03 30u 3Uejd y paljdde uoneueA Jamod Alana 1e papeo si ssed q oU IVH Ly L 0 p ppe si julod 3 s L SQV Jl aulodi s O aNDEIa 3uI0d3os UO EAIIDY popo92xe pjousaJu1 uoneAn e u ym pepeo oy 29g ssed g 10419 eqoJd uon DNS Jo ese ul pojgesip WIE Oed 99S SUI 40 UO J3MOQ 3e pessed q uue V auiod3os WO pe1 enqns si jy 661 L SAV ES Jl 1ulod1 s O JUIOAJIS uoneAnoy p p x pyoysasy uonPAn e U UM P PEO oy 9 ssed
35. don 2 starts again In order for the LP control probe value to stay above this latter threshold the power steps are incremented every 124 don 2 seconds The same applies to power step decrements with the times set in 125 doF Power variations are not reguested inside the proportional band In this Algorithm there is no hysteresis All interstep times are resycnhronised at the activation deactivation of a new combination of compressors In relation to the amount of actuatable increment decrement of power see RESOURCE SELECTION POLICIES for NON HOMOGENEOUS STEP systems In relation to timings see also TIMINGS FOR STEP COMPRESSORS in particular as regards parameters 126 FdLy and 127 FdLF Note For NON HOMOGENEOUS STEP systems 1 indicates a request for a power increment while 1 indicates a reguest for a power decrement INVERTER dead band Operation is analogous to the case of HOMOGENEOUS STEPS note that for INVERTER systems the number of continuous power steps is defined by parameter 128 InPC P I D CONTROL Enabling e 101 CCFn 2 This applies to any type of circuit except for NON HOMOGENEOUS STEPS The power reguest from the suction controller is a function of the difference between the LP control probe and the setpoint and is egual to the sum of three terms P proportional to the error considers the divergence between the LP control probe value and the setpoint it inserts an action which is directly proporti
36. g 10419 eqoJd uon DNS Jo ese ui pojgesip WIE Oed 999 oU 40 UO J3MOQ 3e pessed q uue y HA NALOGUE ALARMS TABLE 2 3 jenueuu sAeM e Q U9d 1 uyjd lt Jl Auo 401eipul ujd gt MOPUIM oU UI SUOHU AM TUL ON JI EWO NY MOPUIM 9W1 lid OLE SJUBA9 OU U9d GLE Sd q ZLE ovi 299 OVd 995 ovi Z9S OVd 995 lov 95 OVd 995 lov 95 OVd 995 MOPUIM UI SUOD U9AJ93Ul ON 9S9M yenuew JI X 9go4d uon ns WNUWIXeJN JO 9go4d uon ns dH JO 92Uos9ud ul Auo OOL 1e sues 9go4d uon ns wnwuN JO UIJIMS o4nssoud uon ns 4110 92uos9Jd ul Aluo X c 4 uon NS wnwixeyy JO c UIJIMS o4nssoud uon ns dH Jo 92uos9Jd ul Aluo uleJp paJeus JI 9SIMJ9U O ulU pJepue1s JO ase 96001 1e suey c qoud uon ns ulnululy JO c MIHMS 9JnssoJd uon ns 41 JO 92uosoud ul Ajuo uieJp poueys JI 9SIMJ9U O guiydew ple puejs JO ase JENUEW JI x Z noun X Z n X HNDI X HND X umop nys Jossaidwo 1VHP OVC IWIP 862 VHP OVL TWIP sel sis 1 s H TVH lic TV 1 6ec TVH LVL 1V1 6 L uoneAn gt e 395 JVPId E S 3754 028 aM Sar 026 AVSd 028 AVSd 028 ower SJU9AJ OLNV OLNV OLNV 1 d L du UIHIMS ainssaid d7 EIER aqojd uon ns uunuuxe j C HUNDID ogoud uon ns UJnUJlulW
37. half band The same holds for resource deactivation every 325 dof seconds INVERTER fan dead band Operation is analogous to that of digital fans the number of discrete steps Is given in 329 InPC P I D CONTROL Enabling e 301 FCFn 2 The power reguest from the discharge controller is a function of the difference between the control probe HP and the setpoint and is egual to the sum of three terms P proportional to the error considers the divergence between the LP control probe value and the setpoint it inserts an action which is directly proportional to it the action of the proportional component decreases as he error approaches zero P proportional to the integral of the error integrates the measured error over time reducing the final divergence from the setpoint this function tracks the previous control values providing a corrective action capable of adding subtracting power gradually so as to reach the setpoint value D proportional to the derivative of the error considers the rate of change of the process control value this provides a faster response in system control inasmuch as the correction is greater the greater the rate of change of the error lt lill EWCM9900 MAN CONTROL The control signal applied to the actuator is thus P D Kp error Ki integral of error Kd derivative of error Where Kp 1000 Bp Ki KpeTc Ti Kd KpeTd Tc Parameters allow you to set enable i
38. input in other words configurable in pairs See the wiring diagrams Pressure transducers resolution The resolution of transducers SIG1 and SIG2 is settable by parameter e 650 HSig1 SIG1 High Precision 0 No 1 Yes 651 HSig2 SIG2 High Precision 0 No 1 Yes The default setting is High Precision 1 Yes e Suction in hundredths of bar tenths of PSI Delivery in tenths of bar tenths of PSI Also see the table at the bottom of the Value Displays page Analog inputs calibration Analog inputs calibration can be set by parameters 655 CALSIg1 Calibration SIG1 bar 655 CALSIg1 Calibration SIG1 PSI 656 CALSIg2 Calibration SIG2 bar 656 CALSIg3 Calibration SIG3 PSI 656 CALSIg3 Calibration SIG3 bar 656 CALSIg2 Calibration SIG2 PSI 659 CALPb1 Calibration PB1 C 659 CALPb1 Calibration PB1 F 662 CALPb4 Calibration PB4 C 662 CALPb4 Calibration PB4 F Note that each parameter can be given a double calibration depending on the unit of measurement The calibration is significant when analogue inputs are configured as digital Probe errors If the pressure probe transducer is in error the message Err appears in place of its value Example Case of two suction circuits shared drainage system Unit of Resolution Resolution Range Unit of measurement Resolution Resolution Resolution measurement Suction Discharge Suction 1 Suction 2 Delivery Bar 0 01 0 1
39. is switched on no delay 565 odo lt lill EWCM9900 HOT GAS DEFROST Control active after delay 565 odo When a hot gas defrost is required for a refrigerated counter or set of counters on a single circuit the controller must have at least one compressor on the circuit in question which remains active during defrosting to ensure a supply of gas On activation of the digital input configured as Hot Gas Defrosting Request for a circuit the compressors on the circuit are controlled so as to deliver a power equal or as close as possible in excess to the minimum power given by 109 PoPr If the system is already delivering a power greater than 109 PoPr the situation remains unchanged In particular for systems with UNEQUAL STEPS the system will attempt to guarantee a power as close as possible in excess relative to that requested in line with the available resources at the time of the decision SERVICE MENU The Service Menu is dedicated to personnel cleared for maintenance of the device Access to the Service Menu requires a password Access Password When you attempt to access the Service Menu the text PASSWORD displays press OK and set the password with the UP and DOWN keys If the password is correct pressing OK opens the parameters menu The password 637 PSW4 Password 4 is composed of 5 alphanumeric characters The default password is FF Note The default password
40. lt lill EWCM9900 User manual Z I d a a TE a a TE TE a a lt U a a TE gt gt Invensys Controls Europe release 12 08 An Invensys Company EN EWCM9900 CONTENTS GENERAL DESCRIPTION Characteristics page 4 Using the manual page 4 Warnings page 4 AVAILABLE MODELS page 5 NOTES ON PARAMETERS page 5 INSTALLATION page 6 Base keyboard connection page 6 ELECTRICAL HOOKUP PRECAUTIONS page 7 PCInterface connection page 7 WIRING DIAGRAM pages 8 9 EWCM9900 wiring diagram page 8 EWCM9900 terminals description page 9 BASIC FUNCTIONS POWER UP page 10 KEYS AND COMPONENTS page 10 LEDs page 11 QUICK MENU page 11 SHORTCUTS pages 12 15 Keypad lock page 12 Setpoint and control band modification page 12 Reduced Menu page 12 Probes Menu page 13 Value displays page 13 Compressor fans status page 14 Modifying the display unit of measurement page 15 Displaying and acknowledging alarms page 15 Advanced navigation page 15 ADVANCED FUNCTIONS CONFIGURING THE MACHINE page 16 QuickStart page 16 Automatic I O assignment page 17 Manual I O assignment page 17 COMPRESSOR CONTROL pages 18 24 FAN CONTROL pages 25 28 CLOCK AND TIME BANDS MENU pages 29 FUNCTIONS MENU pages 30 33 Energy saving page 30 Suction setpoint page 31 Discharge setpoint pages 31 32 Liquid return control page 32 Auxiliarv control page 32 Heat re
41. the CopyCard is not connected e Err Write File check you have correctly inserted the CopyCard into the slot Service Menu Upload Logged Data SERVICE 01 03 Utilities state Reset Alarm History RECORDINGS 01 01 Upload to Copy Card Reset recordings UPLOAD LOGGED DATA 01 01 Operation State lt Operation State gt The Copy Card menu is accessible via the Service Menu see Access to the Service Menu requires a password Service Menu folder 01 03 is shown above move onto the Recordings folder with the UP and DOWN keys and enter the desired folder with the OK key Move onto the folder Upload On Copy Card with the UP and DOWN keys and enter with the OK key The Recordings Menu uploads the operating log into the device The name of the exported file is set in parameter 459 rECF see parameters description The file extension is rec Operation status see Format Error Messages Err No Copy Card gt the CopyCard is not connected Err Write file Err No File lt lill EWCM9900 Copy Card Menu Download DOWNLOAD 01 01 File xxx lt Operation State gt Download The Download menu allows downloading various types of file onto the instrument moving onto the Next item and pressing the RH right key scrolls through the various types of file to download the indicated names are the default ones to modify them see description of parameters Folder Files setup NOTE Filenames ar
42. time band 2 e g 8 o clock With Band 2 minutes we set the starting time in minutes of time band 2 e g 30 minutes Note that the settings for time band 1 terminate when time band 2 starts Use Energy Saving No to de activate energy saving during time band 2 Days Sat Sun We consider the first time band active Band 1 Yes We use Band 1 hours and Band 1 minutes to set the start of time band 1 as described above for Mon gt Fri We use Suc Dynamic set 1 to enable the dynamic suction setpoint during time band 1 Notes The duration of the time band runs from its starting time to the starting time of the next time band The functions enabled for the time band are activated when the time band starts the same applies to disabled functions The status of the functions may be modified within the time band by dedicated digital input for the function in guestion key Functions menu remote supervision system or web e if the parameter Band 1 is also enabled for the days Mon Fri Band 1 Yes we have 2 offset controls on the setpoint for the weekdays and the weekend e if the Energy Saving function is enabled the setpoint offset settings will be ignored e if the Heat Recovery function is enabled the settings of the offsets on the condensation setpoint will be ignored By default all time bands are enabled at intervals of 4 hours Band 1 gt 0 00 band 2 gt 04
43. to avoid requests for switching the same compressor back on e 553 SEr COMP time limit Limit on using compressors In hours 101 CCFn COMP control type Selection of type of compressor control 0 Proportional 1 Dead band 2 PID Note The following parameters 102 ItEn 106 dt are significant when 101 CCFn 2 PID 102 ItEn Full control Use of the full component of PID setting O No 1 Yes 103 It Full time Time in seconds of the full component of PID setting 104 PbEn Proportional control Use of the proportional component of PID setting O No 1 Yes 105 dtEn Derivative control Use of the derivative component of PID setting O No 1 Yes 106 dt Derivative time Time in seconds of the derivative component of PID setting 107 dSS St Din mode Suc Selection of dynamic setpoint 0 dynamic set 17 fixed set See Economy Function section e 108 CPP Enable ERR control Enable power to activate with faulty suction probe 0 No 1 Yes e 109 PoPr ERR power value Power to activate with faulty suction probe In percentage e 111 PEn High alarm LPr times Number of errors of the suction pressure switch which must occur in the time 112 PEI for the alarm to change from automatic to manual If 0 the alarm is always automatic e 112 PEn interval Time interval for the calculation of the number of errors of the suction pressure switch 111 PEn e 113 bvPS HPr LPr bypass time Su
44. 0 1 0 flag 206 dt Derivative time 0 1 90 60 secs 207 dSS Suction Dyn set mode 0 1 1 number 208 CPP Enable ERR control om 0 flag 209 PoPr ERR power value O 100 90 211 PEn Max time LPr alarm 0 20 3 number 212 PEI PEn interval 1 15 15 mins 213 byPS HPr LPr bypass time 0 999 2 mins 214 InLSP Minimum speed 0 100 20 215 InMSP Top speed 0 100 80 216 InSSP Saturation speed 0 100 90 217 ColE Enable INV cut off 0 1 flag 218 PtSE Part sequence 0 2 0 number 220 nCPC Select Master COMP 0 1525 CPnU2 0 number See QUICKSTART folder 221 oFon COMP OFF ON time 0 999 5 mins 222 donF COMP ON OFF time 0 999 15 secs 223 onon COMP ON ON time 0 999 5 mins 224 don ON steps time 0 999 15 secs 225 doF OFF steps time 0 999 50 secs 226 FdLy Enable dON 1 On Ore 1 flag 227 FdLF Enables dOF 1 Off omi 1 flag 228 InPC inverter variation 1 100 10 229 Inot Max time INV a 0 0 999 999 mins 230 InLt INV time at min speed 0 999 0 secs 100 600 S 150 999 9 F 231 LSE Minimum setpoint 1 68 0 37 bar bar 14 5 999 9 PSI 100 600 ac 150 999 9 F 232 HSE Maximum setpoint 4 68 4 6 TM bar 14 5 999 9 PSI Cc 233 SEt Suction setpoint 231 LSE 232 HSE 3 44 ta bar PSI 100 600 C 150 999 9 s 234 Pbd Proportional Band 1 68 om ber bar 14 5 999 9 PSI 100 600 C 150
45. 124 don ON steps time Delay time in seconds between the calls of two different steps e 125 doF OFF steps time Delay time in seconds between releasing two different steps 126 FdLy Enable dON 7 Ins Enables operation of the delay for parameter 124 don even for the first step reguest after an eguilibrium condition 0 No 1 Yes 127 FdLF Enables dOF 1 Ins Enables operation of the delay for parameter 125 doF even for the first step off request after an equilibrium condition 0 No 1 Yes 128 InPC var INVERTER INVERTER power percentage increment decrement step lt lill 129 Inot INV max time a 0 INVERTER maximum operating time at minimum power 130 InLt INV time at min speed Time between INVERTER reduction to minimum and activation of a new power step 145 AtdS Set dynamic amb Tp Fluctuating control of the suction setpoint according to the ambient temperature used to calculate the suction setpoint correction 133 SEt 146 dAtdS AtdS differential Suction dynamic Set differential See above Note the parameters 145 AtdS and 146 dAtdS are significant if 107 dSS 0 e 131 LSE Minimum setpoint e 132 HSE Maximum setpoint Minimum maximum limit on programming the suction set e 133 SEt Suction setpoint e 134 Pbd proportional band Proportional suction band Parameter has significance if 101 CCFn 0 1 Case 101 CCFn 0 within the
46. 190ut180ut17 out16 out15 LINE NEUTRAL RS485 out13 out12 out11 out10 out9 outs out7 out6 out5 out4 out3 out2 outl i VAC IN COPYCARD KEYBOARD MEM lelele BBB 0 01 11 1 1 LEE EEE ET 1 3211 USB CopyCard 2 Keyboard Power Supply N 100 240Vac gj LINE NEUTRAL COMPRESSOR l I I A A l I STEP 3 STEP 2 STEP 1 I lt lill EWCM9900 TERMINALS DESCRIPTION EWCM 9900 TERMINALS BLOCK SIDE A EWCM9900 TERMINALS BLOCK SIDE B 4 20mA 0 5V 0 10V Settable by parameter NTC PTC Digital input Settable by parameter ANALOGUE OUTPUTS DEFAULT CONFIGURATION C3 I3 V3 INVERTER Inverter Fan Analogue Output in Current FAN INVERTER KEVIN LIMITI a INVERTER Configurable Analogue Output in Current CNF none C2 12 V2 INVERTER Configurable Analogue Output in Current CNF none GND I I V V voltage current settable by parameter lt lill LABEL DESCRIPTION FUNCTION LABEL DESCRIPTION FUNCTION VOLTAGE FREE DIGITAL MENIS DEFAULT CONFIGURATION VAC IN Power supply 100 240V Power supply DI Configurable digital Inputs CNF none 100 240 Vac DI2 Configurable digital Inputs C
47. 24 H402 2 EWCM9900 4 Stepped Compressors 4 Full Compressors 5A SPDT 8 Capacity steps 2 capacity steps x 4 Compressors 5 Configurable 8A SPDT 1 Refrigerant level alarm 6 Voltage Free 6 Configurable 8 Compressor shutdown 1 Refrigerant level alarm 19 Relay outputs Analogue outputs Digital Inputs 2 Suction pressure switch alarms circuit 1 2 switch alarm Connections USB CopyCard ENG ITA ITA ENG SPA ENG GER ENG Menu Languages 2 FRE ENG Power Supply 100 240V 14 High voltage 3 4 20mA Analogue inputs RS485 Ethernet NOTE ON PARAMETERS Parameters menu The parameters menu is accessed from the main display as indicated in the chapter on the Parameters Menu and described in the Keys and Components section Structure of the parameters The parameters have been subdivided into folders i e Ouick Start folder The value of the individual parameter can be displayed and modified in each folder The parameter is identified by a three figure number followed by an acronym i e 501 tyPE Reduced parameters menu Access to the reduced parameters Menu takes place via the Main Display by pressing and holding down the function key F2 Only a few parameters are visible that is a reduced set of parameters of the Parameters Menu Operating Configuration In the description of the parameters the reduced parameter set is shown in bold NOTE Some parameters can be dis
48. 7 PC6 Power COMP 6 as above e 508 PC7 Power COMP 7 as above e 509 PC8 Power COMP 8 as above e 510 PC9 Power COMP 9 as above e 511 PC10 Power COMP 10 as above e 512 PC11 Power COMP 11 as above e 513 PC12 Power COMP 12 as above e 514 EAAL Enable DO Alarms Defines whether to assign the cumulative alarm automatically to a digital output on relay 0 No 1 Yes e 515 EACI Enable COMP INV Defines whether to automatically assign the INVERTER compressor 1 and 2 to the analogue outputs 0 No 1 Yes 516 EAFI Enable INV FANS Defines whether to assign the INVERTER fan automatically to an analogue output 0 No 1 Yes 517 EACIE Enable ERR COMP INV Defines whether to automatically assign the INVERTER compressor 1 and 2 thermal switch to the digital inputs 0 No 1 Yes 518 EAFIE Enable ERR INV FANS Defines whether to assign the INVERTER fan thermal switch automatically to a digital input 0 No 1 Yes e 519 EAgA Enable DI Alarm Defines whether to assign the generic alarm automatically to a digital input O No 1 Yes e 520 Fnty Fan mode 0 condensation control disabled 1 INVERTER control 2 digital e 521 nFn Fan number Defines the number of fans in fan coil Range 1 8 a maximum of 8 digital fans Parameter significant if 520 Fnty 2 522 CtyP Type Circuit 1 Defines the type of circuit 1 the suction section 0 HOMOGENEOUS STEPS 1 NON HOMOGENEOUS STEPS 2 HOMO
49. 9 9 30 i C 350 SCt1 Min Subcooling 150 999 9 3 C 351 SCt2 Max Subcooling 150 999 9 5 C 352 SCd1 Subcooling Delta1 150 999 9 6 F C 353 SCoF1 Subcooling Offset1 150 999 9 1 F C 354 SCd2 Subcooling Delta2 150 999 9 1 d C 355 SCoF2 Subcooling Offset2 P 50 9999 1 e C 356 EtPr TP Ext safety 150 999 9 0 100 600 B 27 150 999 9 ip 331 LSE Minimum setpoint 168 5 6 b r bar 14 5 999 9 251 100 600 150 999 9 332 HSE Maximum setpoint 4 68 19 7 bar bar 14 5 999 9 PSI IG 333 SEt Delivery set 331 LSE 332 HSE 15 4 y bar 251 100 600 EU 150 999 9 al 334 Pbd Proportional Band 4 68 97 bar bar 14 5 999 9 PSI 100 600 C 335 Cod1 Cut off delta 1 5 0 4 T bar 1 68 bar 14 5 999 9 PSI 100 600 C 336 Cod2 Cut off delta 2 0 4 i bar 1 68 bar 14 5 999 9 PSI 100 600 S 337 dHAL Delta HAL 57 0 8 E bar 1 68 bar 14 5 999 9 PSI 100 600 S 338 HAL Maximum alarm 5 6 6 E bar 1 68 bar 14 5 999 9 PSI lt lill EWCM9900 Default lt lill Parameter Range U o M Notes 100 600 C 339 dSFo Dyn Set Fixed Offset 0 8 F bar 1 68
50. C NK103C1R1 Pressure transducers resolution 650 HSig1 SIG1 High Precision 651 HSig2 SIG2 High Precision EWCM9900 The default is in hundredths of a bar tenths of PSI or high precision Analogue outputs type 652 AoS1 Selection V1 or 11 653 AoS2 Selection V2 or 12 Selectable as voltage V or current 1 Analog inputs calibration 655 CALSIg1 Calibration SIG1 bar 655 CALSIg1 Calibration SIG1 PSI 656 CALSIg2 Calibration SIG2 bar 656 CALSIg2 Calibration SIG2 PSI 659 CALPD1 Calibration PB1 C 659 CALPD1 Calibration PB1 F 662 CALPb4 Calibration PB4 C 662 CALPb4 Calibration PB4 F Calibrations are always indicated in double units of measurement Setting full scale values e 663 LtSIg1 Lower limit SIG1 bar e 663 LtSigi Lower limit SIG1 PSI 664 UtSIg1 Upper limit SIG1 bar e 664 UtSIg1 Upper limit SIG1 PSI 665 LtSIg2 Lower limit SIG2 bar 665 LtSIg2 Lower limit SIG2 PSI 666 UtSIg2 Upper limit SIG2 bar 666 UtSIg2 Upper limit SIG2 PSI Fullscale values upper and lower limits of the SIG1 2 analogue inputs settable as bar PSI DISPLAY PARAMETERS e 541 LAng Language selection 0 local language ITA GER SPA FRE according to the product code 1 English Note Check product code and availability of languages with Sales department 542 tout Time out menu Time after which the system quits the current menu and returns to the previou
51. ER fan 27 Circuit suction gas pressure switch C1 28 Circuit suction gas pressure switch C2 29 Delivery gas pressure switch 30 Digital fan thermal cut out 1 31 Digital fan thermal cut out 2 32 Digital fan thermal cut out 3 33 Digital fan thermal cut out 4 34 Digital fan thermal cut out 5 35 Digital fan thermal cut out 6 36 Digital fan thermal cut out 7 37 Digital fan thermal cut out 8 38 Fan thermal switch regulated continuously 39 Compressor block 1 40 Compressor block 2 41 Compressor block 3 42 Compressor block 4 43 Compressor block 5 44 Compressor block 6 45 Compressor block 7 46 Compressor block 8 47 Compressor block 9 48 Compressor block 10 49 Compressor block 11 50 Compressor block 12 51 Compressor block regulated continuously C1 52 Compressor block regulated continuously C2 53 Power limit NU Analogue inputs Pressure transducers 623 H401 IN Analog SIG1 624 H402 IN Analog SIG2 Configuration of analogue inputs transducers SIG1 SIG2 0 Disabled 1 Circuit suction gas pressure switch C1 2 Circuit suction gas pressure switch C2 3 Delivery gas pressure e 627 H405 IN Analog PB1 630 H408 IN Analog PB4 Configuration of analogue inputs probes PB1 PB4 These inputs can be configured as low voltage digital inputs in this case positive values indicate direct polarity negative ones the contrary O Disabled 1 Suction gas temperature C1 2 Suction gas temperature C2
52. GENEOUS STEPS INVERTER INVERTER e 523 CPnU Num COMP circuit 1 Defines the number of segmented compressors Range 0 12 a maximum of 12 compressors per system Note value 0 no segmented compressors is only allowed if 522 CtyP 2 In this case the type of circuit 1 is INVERTER Note The sum 523 CPnU 525 CPnU2 must be less than or equal to 125 524 CtyP2 Type Circuit 2 Defines the type of circuit 2 the suction section See 522 CtYP e 525 CPnU2 Num COMP circuit 2 See 523 CPnU Note value 0 no segmented compressors is only allowed if 524 CtyP2 2 In this case the type of circuit 2 is INVERTER 41 1 MW CONFIGURING THE MACHINE AUTOMATIC I O ASSIGNMENT Set the OuickStart parameters as follows They are assigned automatically in the order Digital outputs They are assigned automatically in the order OUT1 ALARM cumulative alarm digital output only if 514 EAAL 1 OUT2 Enable INVERTER compressor only if 515 EACI 1 OUT3 Switch on compressor N OUT Switch on Segmentation 1 Compressor N in case of SEGMENTED COMPRESSORS OUT Switch on Segmentation 2 Compressor N OUT Switch on Compressor N 1 OUT Switch on Segmentation 1 Compressor N 1 OUT Enable INVERTER fan only if 516 EAFI 71 Digital Inputs The automatic order is high voltage digital inputs followed bv voltage free inputs DIH1 INVERTER Compressor shut down DIH2 Compressor N shut down D
53. IH3 Compressor N 1 shut down DIH INVERTER fan shut down DIH Digital fan 1 thermal switch DIH Digital fan 2 thermal switch DIH Suction pressure switch DIH Discharge pressure switch DI1 INVERTER compressor error only if 517 EACIE 1 DI1 INVERTER fan error only if 518 EAFIE DI1 INVERTER compressor error only if 519 EAgA 1 Analogue outputs They are assigned automatically in the order INVERTER Switch on INVERTER compressor INVERTER Switch on INVERTER fan NOTE Analogue inputs are NOT assigned automatically Once the Quick Start parameters have been set quit the Quick Start Parameters menu and select Enable with the UP and DOWN keys and press OK if the word No appears the parameter setting that is the automatic assignment of resources according to the new configuration parameters has been successful Modification of the Quick Start parameters implies that the Resource Allocation parameters have been forced to the automatic I O resource assignment if the word Yes remains the setting is wrong and in the Alarms menu the I O Config Err alarm appears see Alarms Menu Configuration Error ALARMS 01 01 lO Config Err Active EWCM9900 The I O Config Err alarm appears if the number of assigned digital outputs exceeds those available the number of assigned analog outputs exceeds those available the number of assigned digital inputs hig
54. NF none Level DIH14 Configurable CNF none OUT15 relay N O Configurable none ANALOGUE INPUTS DEFAULT CONFIGURATION erie 0 none C11 SIG1 12V Suction pressure probe in current 4 20mA LP uu relay N O Configurable 17 CI2 SIG2 12V Configurable CNF none OUT18 relav N O du nong C13 151631 12V 1 Delivery pressure probe in current 4 20mA HP SAJUUS relay N O Configurable ius PB1 Analogue Input External Temperature NTC Ext Temp NO Normally open NC Normally closed C Common PB2 Analogue input Subtemperature Subcooling PB3 Analogue Input Internal Temperature NTC Int Temp PB4 Analogue Input Configurable none EWCM9900 POWER UP The device is operated with the EWCM KEYBOARD which is When the machine is switched on the LCD display shows eguipped with an LCD display 3 LEDs 8 keys divided into ELIWELU The system information SYSTEM INFO is given below 3 function keys and 5 menu navigation editing keys parameters including Hardware HW Firmware FW and Date versions function etc Always save and print out this information for use by technical The display and the LEDs are used to monitor the parameters service in case of need machine status and operating modes as well as configuring the The instrument will lastly show the main menu that is the main parameters view All menus are available in 2 languages for example Italian local language and English default accord
55. NF none USB CopyCard USB Copycard COPYCARD DI3 Configurable digital Inputs CNF none RS 485 GND RS485 TelevisSystem connection RS485 DI4 Refrigerant level Alarm Refrig level Keyboard Power board keypad connection Connessione a DI5 Discharge Economy Eco HP Tastiera DIG Suction Economy Eco LP RELAYS DEFAULT CONFIGURATION HIGH VOLTAGE DIGITAL INPUTS DEFAULT CONFIGURATION ou retay SPDE Alarm Alarm DIH1 Block Compressor 1 ALARM 1 OUT2 relay N O Compressor 1 Step 1 COMPI STEP 1 DIH2 Block Compressor 2 ALARM 2 LOUT3 relay N O Compressor 1 Step 2 COMP1 STEP 2 DIH3 Block Compressor 3 ALARM COMP3 OUT4 relay N O Compressor 1 Step 3 COMP1 STEP 3 DIH4 Block Compressor 4 ALARM COMP4 OUT5 relay N O Compressor 2 Step 1 COMP2 STEP 1 DIH5 Alarm Fan INVERTER ALARM FAN OUT6 relay N O Compressor 2 Step 2 COMP2 STEP 2 INVERTER OUT7 relay N O Compressor 2 Step 3 COMP2 STEP 3 DIH6 Configurable CNF none OUT8 relay N O Compressor 3 Step 1 COMP3 STEP 1 DIH7 Configurable CNF none OUT9 relay N O Compressor 3 Step 2 COMP3 STEP 2 DIH8 Configurable CNF none OUT10 relay N O Compressor 3 Step 3 COMP3 STEP 3 DIH9 Configurable CNF none OUT11 relay N O Compressor 4 Step 1 COMP4 STEP 1 DIH10 Configurable CNF none OUT12 relay N O Compressor 4 Step 2 COMPA STEP 2 DIH11 Configurable CNF none OUT13 relay N O Compressor 4 Step 3 COMP4 STEP 3 DIH12 Configurable CNF none OUT14 relay SPDT Refrigerant level Alarm 2 DIH13 Configurable C
56. OU oU JPISJNO oue SanjeA paJnseauJ ogoud e o3ueJ JEUIWOU oU JPISJNO o4e san eA painseaw uoneAnoe 1ndul jeSip uupje jeiouo3 4vV3 289 JIJIWLJO4 oqoud ses uonons 22 n oqoud sea uonons LI 1121 ainjesadwa uoiguie jeUsa U jesauay uondiu sog 13 qold jejnSoq z uonons 144 9q0Jd jejnSou uonons 10419 duio JUDIQWE 3uejd wee yue d jeuouo5 lt lill EWCM9900 IB OBE ERRORS TABLE 2 3 yoeq IWOI niPA sinjesadwia peas y 40J JIEM o eqoud 92ejd91 o 3ULIIM 23U2 yoeq IWOI 01 niPA o4me4oduJ93 peas y 40J JIEM o eqoud 92ejd91 o 3ULIIM 2 y2eg 9ul02 niPA sinjesadwia peas y 40J JIEM e eqoud e ejdaJ e 3ULIIM X29U2 eqoud 92ejd91 o 3ULIIM gt 29U2 JJNJIEJ JO BWI IU 3e 9An2e 1d9 SIIJNOSII ON ddd CLE 4 44 ELE JO sISEQ ay UO pa1eAnoe sa2JnosaJ 5 ddd CLE Jl yoeq 9ul02 0 an eA o94nje42dui923 peaJ y 10 11544 o eqoud 92ejd91 o 3ULIIM 23U2 UNOOUSIJQNO1JL S9J0N pojqesip julod jas 3Miuueu p AAA p lqes p uonouny K19A0224 18 H pojqesip 3uiod jas JILIPEUAp AANG p lqes p uonuoA eud wueye J9N 9p LUNWIXEW o pojqesip ulod jas 3Miuueu p AANA e p lji1ou SAEMJE SI WJeje unuuuiu e 10149 YDUMS 55 KJ9N 9p JO ased Ul o pojqesip Juawaseuew wee AG AN DP WNUWIUIW UNUIXEJN 5 12243 ogoud o JBUEJ JEUIWOU oU p s no oue SanjeA paJnseauJ
57. P control probe reaches A from below If the LP control probe reaches A from above the speed changes from MIN to 0 e saturation cut off the speed of the INVERTER goes from continuous control to MAX when the LP control probe reaches B If the LP control probe reaches B from above we have continuous control from MAX to MIN DEAD BAND CONTROL Enabling 101 CCFn 1 The suction controller power reguest is proportional to the time the LP control probe stays outside the proportional band The proportional band is symmetrical relative to the setpoint value Control probe BP1 135 PbdE 124 don 2 124 don 2 124 don BP 134 Pbd 124 don I E gt 125 doF 2 i 125 doF 2 125 doF 125 doF S 125 doF lt lill ia EWCM9900 IMMA comPRESSOR CONTROL Two dead bands are expected 134 Pbd and 135 PbdE The latter one typically is larger than the former one and indicates the region outside which increment interstep time could be faster HOMOGENEOUS STEPS dead band When the LP control probe value exceeds the threshold SET BP 2 but is still below the value SET BP1 2 if the increment interstep time 124 don has already expired a step is immediately actuated and the interstep time starts again If the value of the LP control probe stays in thi
58. P3 STEP3 994 H211 Relay OUT11 93 93 22 number 22 COMP4 STEP1 22 COMP4 STEP1 995 H212 Relay OUT12 93 93 48 number 48 COMP4 STEP2 48 COMP4 STEP2 996 H213 Relay OUT13 93 93 49 number 49 COM 49 COMP4 STEP3 597 H214 Relay OUT 14 93 93 93 number REFRIGERANT LEVEL 23 COMP5 998 H215 Relay OUT15 93 93 0 number O CNF 24 COMP6 999 H216 Relay OUT16 93 93 0 number O CNF 25 COMP7 600 H217 Relay OUT17 93 93 0 number O CNF 26 COMP8 601 H218 Relay OUT18 93 93 0 number 0 0 CNF 602 H219 Relay OUT19 93 93 0 number O CNF O CNF 603 H101 IN Digital HV DIH1 53 53 39 number 39 39 604 H102 IN Digital HV DIH2 53 53 40 number 40 40 605 H103 IN Digital HV DIH3 53 53 41 number 41 41 606 H104 IN Digital HV DIH4 53 53 42 number 42 42 607 H105 IN Digital HV DIH5 53 53 38 number 38 43 608 H106 IN Digital HV DIH6 53 53 0 number 0 44 609 H107 IN Digital HV DIH7 53 53 0 number 0 45 610 H108 IN Digital HV DIH8 53 53 0 number 0 46 611 H109 IN Digital HV DIH9 53 53 0 number 0 38 612 H110 IN Digital HV DIH10 53 53 0 number 0 27 613 H111 IN Digital HV DIH11 53 53 0 number 0 28 614 H112 IN Digital HV DIH12 53 53 0 number 0 29 615 H113 IN Digital HV DIH13 53 53 27 number 27 0 616 H114 IN Digital HV DIH14 53 53 29 number 29 0 617 H301 IN Digital LV DI1 53 53 0 number 0 0 618 H302 IN Digital LV DI2 53 53 0 number 0
59. RMS 01 03 Err Ambient Temp Plant Active The example shows 3 alarms For details see the Diagnostics chapter If there are no alarms and or probe generic errors the display will show EMPTY The Navigation Menu headed MENU contains the following folders Diagnostics See Alarms section Service see Service Menu Clock and Time Bands see Clock and Time Bands chapter Functions see Functions menu Parameters See Parameters chapter Scroll with the DOWN key through the various folders items and select the desired folder item with the OK key 41 1 EN EWCM9900 ADVANCED FUNCTIONS DES CONFIGURING THE MACHINE The EWCM18DIN can be configured in two ways Automatic configuration using the Ouick Start Menu Manual configuration OUICK START PARAMETERS Ouick Start parameters menu To access the Ouick Start parameters menu select the Ouick Start folder with UP and DOWN and press OK this opens the Ouick Start menu which contains two items folders Enable Parameters Enable Unlike the other parameters the Quick Start parameters should be enabled for writing to be able to be modified Select Enable with the UP and DOWN keys and press OK to enable modification No gt Yes on the display To disable parameter editing repeat the procedure NB If Enable Yes the EWCM behaves as follows e all the outputs are deactivated that is the machine doesn t adjust the Func
60. SUEJ aqoid uon ns ulnululy JO UIJIMS jenuew ainssaid uon ns JIZUNIJD x 41 JO 92uosoud ul Ajuo jenueuu y X JIJEWOJNEe sAeM e Q u3d JI JENUEW Uyjd lt JI uo 403e9ipul U3d gt MOPUIM PU Sd q LZ Ul SuonuasAJ91U ON JI IIJEWOJNV MODUIM li U3d 112 SJU9A9 ou 134 212 19S 7 lt e qoud 043402 d x c UNDJID UI oinsseud c youMs ybiy app o4nssoud UIJIMS ainssaid uonons uon ns dH JVSId 69S SJU9AJ JIJEWOJNE SAEMJE 0 u d JI enueuu ujd lt JI uo 403e91pul uJd gt MODUIM lil SdAq LC Ul SuonuasAJ91U ON JI IIJEWOJNV MODUIM uln U3d 112 SJU9A9 OU 134 212 x c 1In2JID UI oinsseud c youMs NO 0 np pasabb14 ainssaid UIJIMS ainssaid uonons uon ns di 19S 7 aqoid 0 1 02 47 JVSId 69S SJU9AJ c goud uon 2ns Wwnwixeyy JO z yams o94nssoud uon ns dH JO 92uos9ud jenuew ul uieJp J HND x PJJEUS JI SIMJ U10 oulUoeul 5 JO ase jenueuu 476001 1e SUEJ JIJEWOJNE SAEMJE 0 u d Jl p unou yenuew uyjd lt JI SKAEMJE SI wieje LINWILIW e Kuo 401e2ipul 18S E L lt qoud JYS4d 69S s1ue 3 041002 d 231A S o1nssoJd JO119 IQO1A uon ns Jo ese ul u3d gt MOPUIM JU SdAG LL ibri M S weje oU 01 aNpJOU Juejd UI suonusAd91UI ON 2neuiony y o poljdde uoneueA Jamod MODUIM 9UU1 U3d LLL Aland ye pepeo si ssed q SUL S1U9A9 OU
61. T8 set 591 H208 5 Depending on the value of parameter 572 gLSAE actuation of DI2 may result in an alarm signal or also actuate the central gas expulsion relay Moving fan relay 4 from OUT13 to OUT11 To deactivate OUT13 set 596 H21370 and to activate OUT11 as fan 4 set 594 H211 13 EWCM9900 COMPRESSOR CONTROL COMPRESSORS FOLDERS Case Quick Start parameter 501 tyPE 0 Default configuration Standard system with 1 suction circuit The Compressors folder displayed relative to the first and only circuit and the relative parameters are displayed Case Quick Start parameter 501 tyPE 1 System with 2 suction circuits single delivery The Compressors folder relative to the first circuit and Compressors folder 2 relative to the second circuit and the relative parameters are displayed Case Quick Start parameter 501 tyPE 2 System with 1 suction circuit See case 501 tyPE 0 SHARED COMPRESSOR PARAMETERS 551 Central Stty Set Adjustment enablement with central or lateral set e 552 Poll Activation Policy Fixed or rotation seguence enablment depending on the compressor activation operating time e 553 SEr COMP time limit Limit on using compressors In hours These parameters are shared by both the suction circuits and are only displayed in the Compressors folder COMPRESSOR PARAMETERS The parameters 101 CCFn COMP control type 130 InLt INV time at min speed 145 AtdS Set dynamic
62. The parameters menu is accessed from the main display as indicated in the figure and described in the Keys and Components section If a password has been enabled you will first be presented with the label PASSWORD Enabling the programming and access password When you attempt to access the parameters menu the label PASSWORD displays press OK and set the password with the UP and DOWN keys If the password is correct pressing OK opens the parameters menu The password is composed of 5 alphanumeric characters The default password is FF Note the password provides immediate access to the parameters Menu that is without requesting the password Access and structure of the parameters Select the desired folder if the folder is Quick Start see the Quick Start Parameters Description chapter with the UP and DOVVN keys and press OK to display the parameters After entering the selected folder example Compressors folder the display will show in the heading the name of the folder in lowercase followed by two numbers that identify the number of the parameter total number of the parameters of the folder example 002 047 indicates the second parameter of 47 parameters in the Compressors folder The acronym of the parameter will follow preceded by a univocal number that identifies the parameter example 552 PoLl the second in the list Display and modification of parame
63. Timer expired Timer not expired 1 Time Consent r lay 1 Time FAN PICKUP When first switched on the fans are forced to maximum power for the time defined by 323 Clt Maximum power is 1002 for digital fans Maximum power is determined by parameter 311 InSSP for INVERTER fans If 323 Clt O there is no pickup After pickup the fans are run as reguired by the discharge controller In case of an alarm which locks out the fan battery the fans are switched off in any case lt lill EN EWCM9900 MAN CONTROL Digital fans Digital fan pickup with discharge controller reguest stable at the end of pickup Power reguested by controller LEGEND tr ventilation request MAX max number of available steps REQ number of steps requested Power requested by controller Actuated power Actuated power H Time Tr Digital fan pickup with discharge controller request increasing at the end of pickup Power reguested by controller 1324 324 1 324 don don don 4 4 4 323 CIt r Inverter fan INVERTER fan pickup with discharge controller request zero during pickup After the pickup time the fans are forced to the minimum for the period 328 Inot after which they switch off Power reguested by controller Tr 324 don 323 Clt Time Ka bi Pickup with constant controller request greater than 309 InLSP After the pi
64. UNCTION PARAMETERS e 554 drEn Record Data Enable data logging e 555 HlEn Record history Enable alarm history ENERGY SAVING e 556 ESFn Energy Saving Type Energy Saving activation mode See Functions Energy Saving chapter Economy Economy Economy Discharge Suction C1 Suction C2 9 xs disabled disabled disabled Heat Recovery e 557 Hrto Max Tp OUT Recovery SetPoint Maximum outlet water temperature for heat recovery 558 Hrdt Delta Tp Recovery Outlet water delta differential temperature in heat recovery Liquid Return Test Significant parameters for compressors of the same circuit switched off e 559 LrCd Lig Ret Ctrl Delay Liquid return control activation delay e 560 Lron d c ON time Lig Ret e 561 LroF d c OFF time Lig Ret Duty cycle liquid return control ON OFF time ADDRESSING PARAMETERS 671 FAA Family address Selects the family in the TelevisSystem network 672 dEA Device Address Selects the address in the TelevisSystem network 673 PtStLV Protocol selection Selects the Micronet Televis or Modbus RTU comms protocol If selecting the Modbus RTU protocol it is wise to configure the parameters 674 bdrttLV Baud rate Values that can be set 9600 19200 38400 b s 675 PtytLV Parity Bit If selecting the Televis protocol parameters 674 675 are not significant RESOURCE ALLOCATION PARAMETERS Relay outputs Note OUT1 8 SPDT OUT2 7 OUT9 13 SPST
65. YY HH MM in the header indicates the export date while MB_USERID1 and MB_USERID2 represent 2 20 character strings which can be set with parameters The column Avg contains the average value of the daily or weekly values the Min and Max columns contain the minimum and maximum values respectively Notes e In weekly registrations the two fields DD MM YY HH MM represent the week start and end dates daily registrations have only one date field To import the REC file into EXCEL use the Delimited option with fields separated by spaces Use the point as decimal separator and set the 2 HH MM columns to text format The log can be cancelled in the Service Menu UPLOADING THE ALARMS LOG All data will be saved to a single text file with extension HIS in the following order HIS REPORT DD MM YY HH MM USER ID 1 USER ID 2 01 E0102 13 12 04 05 01 02 E0101 13 14 04 05 01 If the log contains no alarms the format will be as follows HIS REPORT DD MM YY HH MM MB USERIDI MB USERID2 EMPTY Legend e DD MM YY HH MM is the export date USER ID 1 and USER ID 2 are two 20 character strings set by the user in parameters 452 USId1 and 453 USId2 The file extension is HIS and the name corresponds to the first 8 characters of the string set with parameter 460 HISF if 460 HISF contains only spaces the file is given the default name HISTORY HIS Note that alarms notified during the export are ignored
66. al to the signal u t while the power at which the INVERTER is driven varies linearly from 0 to 100 between two discrete compressor power step increments decrements INVERTER PID The control signal u t represents the power actuated directly by the INVERTER lt lill EWCM9900 FAN CONTROL ENABLING Control is activated after a delay of 565 odo Parameter 520 Fnty must be non zero a temperature probe or pressure probe must be configured for discharge control control probe HP YOU can select digital output fan control by setting 520 Fnty 2 max 8 fans If 520 Fnty 1 the fan battery will be controlled by a single analogue output control by means of INVERTER Fan control is a function of the HP control probe Use parameter 548 UMFn to select both pressure control bar PSI and temperature control C F Note that if using temperature control and the HP control probe is a pressure transducer discharge control is a function of the value converted into temperature of the selected gas by the HP control probe Behaviour is dual if the HP control probe is a temperature probe and the control selected with 548 UMFn is pressure control Parameter 548 UMFn can be modified during normal operation The default discharge control is pressure bar Note The unit of measure shown on the display may differ from the control unit Three controls can be selected with parameter 301 FCFn 0 Proportional b
67. ameter e 3 0 5V 0 10V 4 20 mA input configurable by parameter Digital inputs 20 4 analogue inputs configurable as digital voltage free 6 voltage free inputs 4 voltage free inputs analogue if configured as digital contact current referred to ground 0 5mA high voltage 14 high voltage inputs 100 240 V Analogue output 3 voltage 0 10 V with 5000hm minimum load current 4 20mA with max load max load resistance 5000hm with 2 precision and max resolution f s Digital outputs 19 relay outputs e 2 SPDT 8 3 A 5007 e 17 SPST 5 2 250V Serial e RS 485 connection to TelevisSystem Modbus RTU e TTL for connection to USB Copy Card Power 20W Power supply 100 240V 10 50 60 Hz Terminals and connectors extractable pitch 5 08 insertion 90 Connector for base keyboard connection microfit 6 way quick connector length 3m max distance base keyboard 3m 41 1 EN EWCM9900 PARAM MANAGER Special ParamManager release 5 2 functions for EWCM 18DIN rail models Version 5 2 has a section named Special Functions composed of two keys Special functions Cfg Lock e CFG this key enters the EWCM Configuration mode thus enabling Quick Start parameter editing To modify the Quick Start parameters the EWCM 13 18DIN must be in configuration mode Enable Yes QUICKSTART 01 O1 Enable Yes Parameters If the modification is not done correctly the ab
68. and control BP 1 Dead band control ZN 2 P I D control PID In case of proportional band control parameter 551 Stty controls the lateral and central setpoint relative to the control band Fans can be activated by reference to 302 FACt 0 independently of compressor status 1 if at least 1 compressor is on DIGITAL FANS To control the fans by digital outputs set parameter 520 Fnty 2 Digital output fan control Error conditions are signalled by digital inputs digital fan thermal switch Digital fans timings Parameter 324 don defines the delay in seconds between the calls for two different steps activation of two different fans Parameter 325 doF defines the delay in seconds between the release of two different steps de activation of two different fans Digital fans rotation Parameter 322 rot defines the rotation of fans during calls and releases to obtain the same number of hours of operation 0 fixed sequence the activation sequence is fan 1 2 3 with de activation in the inverse order 1 rotation during activation the fan with least hours of operation is chosen during de activation the fan with the most hours of operation The aim is balance out the hours of operation between all fans INVERTER FAN To configure fan control by a single analogue output set parameter 520 Fnty 1 Analogue output fan control Digital output to activate INVERTER optional Digita
69. around electrically connected parts Use shielded cables for the probe connections To avoid causing static discharges do not touch the electronic components on the boards For all electrical connections refer to the provided wiring diagrams The device is provided with screw in terminals for wires of maximum cross section 2 5 mm only one wire per terminal for power cables The relay outputs are voltage free 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 device The temperature probes have no characteristic insertion polarity and can be extended using standard bipolar cable note that extending cables can affect the performance of the device in terms of electromagnetic compatibility great care must be exercised in making the wiring connections The pressure probes have an insertion polarity which must be observed SUPERVISION The connection to the TelevisSystem Modbus RTU remote control systems to the ParamManager fast parameter setting software can be made with a direct RS 485 connection using the RS485 TTL RS232 PCInterface converter and the required software license BP CINTERFACE CONNECTION The PCInterface device must be used with 1 ParamManager versions 5 2 or later 2 versions of OS on PC Win XP Home or Professional or more recent Software Licence For the device to be recogn
70. ation cutoff 311 InSSP SAT 310 InMSP MAX x Minimum cutoff 309InLSP MIN Control probe EN YH HYN gr S T 1335 Cod1 334 Pbd 335 Cod1 14 gpg hH 336 Cod2 336 Cod2 Note that in the absence of a cutoff with parameter 303 ColE 0 the graph loses the cutoff hysteresis minimum cutoff the speed of the fans goes from 0 to MIN when the control probe HP reaches A from below If the control probe HP reaches A from above the speed changes from MIN to 0 saturation cutoff the speed of the fans goes from continuous control to MAX when the control probe HP reaches B If the control probe HP reaches B from above we have continuous control from MAX to MIN DEAD BAND CONTROL Enabling e 301 FCFn 1 The discharge controller power reguest is proportional to the time the HP control probe stays outside the proportional band The proportional band is symmetrical relative to the setpoint value Control probe 325 dot 325 doF Digital fan dead band The principal function of the controller consists in activating a number of power steps in proportion to the time since the moment in which the LP control probe has exceeded the threshold SET BP 2 The proportional band is symmetrical relative to the setpoint value When the LP control probe has exceeded the threshold a new resource Is activated every 324 don seconds until the LP control probe enters the
71. ation of the module e If the module is external it must be configured For the connection refer to the WebAdapter 8MA 0202 manual ea N mc u a 95 m pi aul XX WE ALALLLILlILLILILILILLILILILIIDILLLL LILIL mMM EWCM 18DIN base board A RS 485 cable lt lill EWCM9900 EWCM9900 WIRING DIAGRAM DEFAULT CONFIGURATION e plant with 4 stepped compressors 2 Capacity Steps x 4 Compressors INVERTER fan e pressurised suction and delivery control bar POSSIBLE CONFIGURATIONS management of two suction circuits e management of suction circuit 1 and or circuit 2 via INVERTER or INVERTER digital compressors management of suction circuit 1 and or circuit 2 via INVERTER e non homogeneous digital compressor management e full and or stepped digital compressor management ALARM ALARMALARM ALARM ALARM COMP1 COMP2 COMP3 COMP4 FAN CNF CNF CNF CNF CNF int INVERTER LINE Temp CNF CNF CNF Pb1 Pb2 Pb3Pb4 012 Sub Ext cooling Temp FAN CNF CNF LP INVERTER INVERTER INVERTER CNF HP gt gt gt N N N G is WG 3 das T Z G gt G gt 6 gt H FE l k NEUTRAL iC111 V1C2 12 V2C3 13 V3 CI SIG1 12V CD SIG2412V CI3 SIG3 12V CPB PB1 PB2CPBPB3 PBA CD DIT D 1 1 DIH2 DIH3 DIH4 DIH5 DIH6 DIH7 DIH8 DIH9 DIH10 LINE Refrig Eco Eco CNF Level HP LP NEUTRAL EWCM9900 DIH11 DIH12 DIH13 D H14 CDI DI3 DI4 CDI DI5 DI6 out
72. bar 14 5 999 9 PSI 100 600 C 150 999 9 F 136 dSPo1 Offset 1 for dyn set 1 68 0 1 bal bar 14 5 999 9 PSI 100 600 C 150 999 9 F 137 dSPo2 Offset 2 for dyn set 4 68 0 1 bar bar 14 5 999 9 PSI lt lill EWCM9900 Parameter Range nu U o M Notes 100 600 K 138 dLAL Delta LAL 275 on j bar 1 68 bar 14 5 999 9 PSI 100 600 BG 139 LAL Minimum alarm 5 5 47 E bar 1 68 bar 14 5 999 9 PSI 100 600 C 140 dHAL Delta HAL 155 0 1 F bar 1 68 bar 14 5 999 9 RSI 100 600 C 141 HAL Maximum alarm 5 47 bar 1 68 bar 14 5 999 9 PSI 100 600 C 142 Cod1 Cut off delta 1 2 0 1 1 bar 1 68 bar 14 5 999 9 PSI 100 600 C 143 Cod2 Cut off delta 2 0 i bar 1 68 bar 14 5 999 9 PSI 100 600 C 150 999 9 ic 144 InLPt INV min pot limit 4 68 0 99 bar bar NITH Ea 145 AtdS Set dynamic amb Tp 150 999 9 15 C 146 dAtdS AtdS differential 150 999 9 2 COMPRESSORS folder 2 1 cartella visibile solo se 501 tvPE 1 201 CCFn COMP control type 0 2 0 number 202 ItEn Full control 0 1 0 flag 203 It Full time 0 1 90 60 secs 204 PbEn Prop control 0 1 0 flag 205 dtEn Derivative control
73. between two successive delivery preventions In hours 322 rot Activation policy Parameter defines the rotation of fans during calls and releases to obtain the same number of hours of operation 0 fixed sequence 1 rotation 323 Clt pick up time Time for which the fans run at 100 when the fan battery is switched on e 324 don ON steps time Delay time in seconds between the calls of two different steps 325 doF OFF steps time Delay time in seconds between releasing two different steps 326 FStt max OFF time Maximum time fans are off In hours 327 SEr FAN time limit Maximum time fans are on In hours 328 Inot INV max time a 0 Maximum time fans INVERTER run at minimum In percentage 329 InPC var INVERTER INVERTER increment decrement step 330 InoS Activ Mode INV 0 INVERTER minimum activation mode 346 dSdo Dyn Offset Dyn Set Floating point condensation dynamic set offset 347 dSLdo Min Dyn Offset Dyn Set Minimum floating point condensation dynamic set offset 348 dSMEt Max Ext Temp Set dyn Maximum external temperature for enablement of floating point condensation dynamic set 349 LdSP Min Dynamic Set Minimum floating point condensation dynamic set 350 SCt1 Min Subcooling Minimum subcooling for condensation dynamic set 351 SCt2 Max Subcooling Maximum subcooling for condensation dynamic set e 352 SCd1 Delta1 subcooling
74. c opp rss Op CONTROL TIMINGS FOR STEP COMPRESSORS The switching on off of a compressor must satisfy the following reguirements Minimum off on time 121 oFon This is the minimum delay between switching off and switching on Minimum on off time 122 donF This is the minimum delay between switching on and switching off Minimum on on time 123 onon This is the minimum delay betvveen svvitching on and svvitching on again Activating and deactivating povver steps must respect the activation release times for resources 124 don and 125 doF and is a function not only of the type of compressors HOMOGENOUS STEPS or NON HOMOGENEOUS but also of parameters 126 FdLy and 127 FdLF HOMOGENEOUS STEPS activation if 126 FdLy 0 is NO it is sufficient that the increment interstep time 124 don be observed which starts when each resource is activated e if 126 FdLy 1 we have two cases If the increment interstep time count was already underway due to a previous step being activated then this delay must expire before another resource can be activated If the increment interstep time count has already expired the increment interstep time is reloaded when a resource is called by the controller HOMOGENEOUS STEPS deactivation If 127 FdLF 0 it is enough that the decrement interstep time 125 doF be observed which starts when a resource is switched off e If 127 FdLF 1 we have two cases If the decrement interstep time count was a
75. charge probe and discharge SetPoint are displayed Fig C Note that in the main display you can only read the number of active fans and active power steps in this case 5 fans From this Menu it is besides possible to Know how many relays are configured as digital fans 8 that also represents the maximum number that can be set Fig D Note that from the main display you can see the percentage of power delivered by the INVERTER output In this example the percentage is 70 From this Menu it is possible besides to know the approximate power delivered in 6 6 See Compressors Menu Notes Notes Notice that from the Main View it is possible to read only the number of active compressors and the active segmentations in the example 2 active compressors 7 steps power steps on see legend From this Menu it is possible besides to know how many segmentations there are for each compressor and the real number of compressors in the plant even if off in the example 10 steps power steps 5 for each compressor while the number of compressors 2 coincide Note that from the main display you can see the percentage of power delivered by the INVERTER output compressor In this example the percentage Is 70 From this Menu it is possible besides to know the approximate power delivered in 6 6 In this example the approximation is 4 6 so that there may be a discrepancy with the main display due to the approximation itself The length
76. ckup period the fans are forced to the value REO Power reguested by controller Tr 324 don Tie MAXIMUM FANS STOP TIME Parameter 326 FStt defines the maximum fans off time in other words fans not running After this time the fans are forced to maximum speed for time 323 Clt e if 326 FStt 0 the fans can stay off indefinitely if 326 FStt is non zero and 323 Clt 0 the fans stay off until 323 Clt is set to a non zero value TYPE OF CONTROL Proportional band PID Dead band Digital fans x Steps X x INVERTER fan x Continuous X PROPORTIONAL BAND CONTROL Enabling e 301 FCFn 0 The power request from the discharge controller is proportional to the difference between the setpoint and the control probe HP Digital fans proportional band The controller activates a number of power steps to reach the setpoint given in parameter 333 SEt The number of resources required is linked to the difference between the value measured by the control probe HP and the setpoint the greater this difference the greater the number of resources required to reach the setpoint The temperature or pressure interval between power steps is a function of the proportional band 334 Pbd and the number of resources present 41 1 EWCM9900 MAN CONTROL Example with 551 Stty lateral setpoint Power Steps Control Probe 334 Pbd INVERTER fan proportional band Speed A Satur
77. conomy function active Table legend e Economy function active v symbol indicates that the corresponding function will be activated e g 556 ESFn 1 Suction Economy circuit 1 will be activated e indicates that there will be no change for the corresponding function e g 556 ESFn 1 if Discharge Economy is active it stays active and if inactive it stays inactive lt lill EWCM9900 FUNCTION SUCTION SET POINT The Economy function controls the regulation SetPoint The function allows obtaining control on the suction regulation SetPoint depending on the ambient temperature for instance the temperature of the display area of the supermarket The activation request may come from scheduled time band dedicated digital input for the function in question key functions menu remote supervision system or web Energy Saving function The Set can be fixed or variable function of a differential defined by 107 dSS Mode Set Dyn Suc 0 indicates that the suction SetPoint will be dynamic that is a function of a differential 107 dSS Mode Set Dyn Suc 1 indicates that the suction SetPoint will be fixed Case 107 0 dynamic setpoint 145 AtdS Set dynamic amb Tp e 146 dAtdS AtdS differential Case 107 1 fixed setpoint e f the activation request is determined by a time band the correction is added to the setpoint fixed offset e 136 dSPo1 offset 1 for dyn s
78. covery page 32 Hot gas defrost page 33 SERVICE MENU page 33 PARAMETERS pages 34 44 Description of administrator parameters pages 35 39 Parameters table pages 40 44 ALARMS pages 45 55 Alarms pages 45 46 Alarms log and codes list page 47 Utilitv alarms table pages 48 49 Analogue alarms table pages 50 52 Probe errors table pages 53 55 USB COPVCARD pages 56 57 KEVBOARD TECHNICAL DATA pages 58 EWCM9900 POWER BOARD TECHNICAL DATA pages 58 PARAM MANAGER WEBADAPTER page 59 ACCESSORIES page 60 PROPER AND IMPROPER USE page 61 RESIDUAL RISKS AND RESPONSIBILITIES page 61 LIABILITV CLAUSE page 61 NOTES pages 62 63 41 1 EWCM9900 Electronic controller for compressor packs on 18 Din Rail GENERAL DESCRIPTION USING THE MANUAL WARNINGS EWCM9900 18DIN are a family of controllers dedicated to the control of the machine room of a refrigeration plant with simple multistage or variable power compressors Characteristics Up to 19 completely configurable relay outputs for controlling simple multistage or various power compressors and condenser fans Up to 3 analogue outputs for controlling INVERTER compressors and INVERTER fans Up to 3 inputs with pressure transducers for the compressor section and the fan section Up to 4 temperature inputs for NTC probes configurable as voltage free digital inputs Up to 14 voltage digital inputs and 6 voltage free digital input
79. ction pressure switch high low pressure trip bypass time e 114 InLSP minimum speed Minimum speed INVERTER 115 InMSP top speed Maximum speed 2 INVERTER at end of ramp 116 InSSP saturation speed Maximum speed INVERTER 117 ColE Enable INV cut off Enable cutoff INVERTER 0 No 1 Yes If O the cutoff hysteresis is ignored parameter 142 Cod1 not significant 118 PtSE Part sequence Defines the activation deactivation sequence of the relays associated with compressor segmentation 0 increasing sequence 1 single segmentation 2 decreasing sequence See section on Compressor Management e 120 nCPC Selection COMP Master Selects the Master compressor this compressor will always be the first one to be turned on and the last one to be released according to the activation policy see 552 PoLl The number identifies the compressor that will act as Master Range 0 number of compressors defined by parameter 523 CPnU Num Compr Circuit 1 0 function disabled Compressor Protection e 121 oFon COMP OFF ON time Minimum time in minutes between turning the same compressor off and back on again e 122 donF COMP ON OFF time Minimum time of compressor operation before a new release The called compressor stays on at least for the time set by this parameter 123 onon COMP ON ON time Minimum time in minutes between turning the same compressor on and on again e
80. d by the control probe LP and the setpoint the greater this difference the greater the number of resources required to reach the setpoint The temperature or pressure interval between power steps is a function of the proportional band 134 Pbd and the number of resources present Example with 551 Stty lateral setpoint Example 4 compressors A 124 Pbd gt Compressor power E 502 1 504 PC4 1 full compressor 3 power stage Compressors BeL SET Control probe 134 Pbd Note that for HOMOGENEOUS STEP INVERTER systems while the number of power steps is actuated on the basis of the difference between the value of the LP and the setpoint the power at which the continuously controlled compressor is driven varies from 0 to 100 between the activation deactivation of a power step on the step compressors For setpoint proportional band lt LP control probe lt setpoint the continuously controlled compressor is switched off INVERTER proportional band Example with 551 Stty 0 lateral setpoint and 117 ColE 1 enable cut off Speed 4 Saturation cutoff 116 InSSP 115 InMSP 114 InLSP 142 Cod1 134 Pbd 442 Cod NE w ux o sss loses the cutoff hysteresis RH vv 143 Cod2 143 Cod2 ray te ETC e minimum cut off the speed of the INVERTER goes from 0 to MIN when the L
81. ders e Ouick Start The Ouick Start parameters are described in a separate chapter all the other folders Compressors Fans etc Operating passwords Config password Amministr Password All parameters in the folder are described in the Administrator Parameters section and the Parameters Table There will besides be the possibility of accessing and changing the 3 Passwords indicated making it possible to protect the system from unwanted access Configuration Parameters In this Menu there are the folders and the related parameters e Quick Start Configuration Resource allocation Files Setup Config password There will besides be the possibility of accessing and modifying only the Configuration Password Operational parameters In this Menu there are the folders and the related parameters Compressors Fans Safety measures Display Functions Operating passwords There will besides be the possibility of accessing and modifying only the Operating Password Note that the Administrator Menu is composed of the Configuration Menu Operational Menu Administrator Password Note that the Operational Menu does not allow you to enable the QuickStart lt lill EWCM9900 BA DO MINISTRATOR PARAMETERS DESCRIPTION COMPRESSOR PARAMETERS 551 Central Stty Set Enables suction delivery control with central Yes lateral No set e 552 PoLl Activation Policy Used to enable the fixed
82. described above EXPORTING OPERATING LOGS TO THE USB COPY CARD Exporting operating logs to the USB Copy Card can be done from the keypad via the Service Menu This is possible only if the parameter 640 rtCE Enable RTC 1 and there is no RTC Communications Error All data will be saved to a single text file with extension REC in the following order weekly records from the oldest to the most recent daily records The data is formatted as follows REC REPORT DD MM YY HH MM MB USERIDI MB USERID2 DD MM YY HH MM DD MM YY HH MM Desc UM Avg Min dd mm yy hh mm Max dd mm yy hh mm HP Bar xxx x XXX X DD MM YY HH MM xxx x DD MM YY HH MM HP C XXX X DD MM YY HH MM xxx x DD MM YY HH MM LP1 Bar xxx x DD MM YY HH MM xxx xx DD MM YY HH MM LT1 C ox JOUEUX DD MM YY HH MM xxx x DD MM YY HH MM LP2 Bar xxx x xxx xx DD MM YY HH MM xxx xx DD MM YY HH MM LT2 C MOLK xx DD MM YY HH MM xxx x DD MM YY HH MM TEXT C XXX X xXx X DD MM YY HH MM xxx x DD MM YY HH MM TINT C XXX X KKK DD MM YY HH MM xxx x DD MM YY HH MM HPSET Bar xxx x HTSET C XXX X LPSET Bar xx xx LTSETI C xox LPSET2 Bar xx xx LTSET2 C xxx x HP 8 XXX XXX DD MM YY HH MM xxx DD MM YY HH MM LP1 EN XXX XXX DD MM YY HH MM xxx DD MM YY HH MM LP2 3 XXX XXX DD MM YY HH MM xxx DD MM YY HH MM HPR Num xxxxx LPR1 Num xxxxx LPR2 Num xxxxx HPE Num xxxxx LPE1 Num xxxxx LPE2 Num xxxxx ALL Num xxxxx The field DD MM
83. device fixing it with the screws Close the front of FIG 2 CUTout the keyboard by pressing with fingers Power board mounting To install the BASE on DIN RAIL proceed as follows FIG 1 Keyboard Mounting FIG 3 CAP IF ASE KEYPAD CONNECTION I E oe e o e e e o e e ELIWELL EWCM keyboard rear ele e e e e e e e e e e e e e For the connection between the base and the keypad use the supplied 3 m 6 wire microfit cable Only use the cable supplied respecting the maximum distance of 3m The cable must be wired separately from the power cables max lenoth 3m lt lill EWCM9900 ELECTRICAL HOOKUP PRECAUTIONS IMPORTANT Make sure the machine is switched off before working on the electrical connections The operations must be carried out by gualified personnel To ensure proper connections comply with the following Power supplies other than those specified can seriously damage the system Use cables of suitable section for the terminals used Separate as much as possible the cables of probes and digital inputs from inductive loads and power connections to prevent electromagnetic interference Do not place the probe cables near other electrical equipment switches meters etc Make connections as short as possible and do not wind them
84. e and time and to control use of the plant using a weekly calendar IMPORTANT WARNINGS The availability and access to information is determined by the model in use and the settings made by the Administrator The System Administrator is responsible for enabling access to the various menus for qualified staff who are charged with installing and servicing the system The high degree of configurability of the system reguires that the system and its applications be thoroughly studied for the device and system to operate at their best For any doubts information contact Eliwell Technical Service 41 1 EWCM9900 AVAILABLE MODELS Standard type system 1 suction circuit FACTORY DEFAULT CONFIGURATION 501 tyPE 0 EWCM9900 4 Stepped Compressors 8 Capacity steps 5A SPDT 2 capacity steps x 4 Compressors Relay outputs 19 5 Configurable 1 Refrigerant level alarm 3 1 Refrigerant level alarm 1 Economy 6 Voltage Free Suction circuit 1 1 Economy Delivery 3 Configurable 20 8A SPDT Analogue outputs Digital Inputs level alarm switch alarm circuit 1 switch alarm Connections USB CopyCard ENG ITA ITA ENG SPA ENG GER ENG Menu Languages 2 FRE ENG Power Supply 100 240V 14 High voltage 3 4 20 Analogue inputs RS485 Ethernet Single delivery shared drain system 2 suction circuits 501 tyPE 1 NOTE Configure SIG2 correctly as circuit 2 suction pressure 2 Set parameter 6
85. e at most 8 UPPERCASE characters FILEX8M gt applications menu descriptors PARAM DAT gt parameters map file GLOSSARY GLO gt glossaries file once selected to download the file use the UP and DOWN keys to select lt Download gt and press OK At this stage the download starts Operation status see Format or an error message can appear Error Messages X8M DAT GLO Err Read file Err Read file Err Read file Err No CopyCard Err No CopyCard Err No CopyCard Err File NoCompat Err File NoCompat Err WriteData Err WriteData NOTE When the application and parameters map downloads have completed the device automatically reboots After glossaries download switch off and turn on the device by pressing hold F3 key in order to save new glossaries in LCD keyboard Navigation is not possible while the glossaries are downloading Files with extension DAT are compatible with the Param Manager dat format e If the USB CopyCard is already connected when the device boots you can still download the application menu descriptors X8M from the Copy Card This must be a single file present in the USB CopyCard main directory If the USB CopyCard contains two X8M files or no XM8 file when the device boots no download will be executed from the USB CopyCard For map files DAT the download can be done at boot time even in case of normal startup under the same rules
86. e configuration which results in the smallest decrease is given priority For a given delivered power the configuration which reguires switching the smallest number of compressors is given priority if more than one configuration meets this reguirement then that which reguires the use of the smallest number of compressors is chosen and after that the configuration which has least hours of operation e If the delivered power is stable and an alarm shutting down one or more of the active compressors occurs a power increase request is issued to obtain the maximum power which does not exceed the initial discharge Once the new situation obtains the actuated power is considered to be stable MASTER COMPRESSOR For all systems with step compressors independently of the type of control and policy one of the step compressors may be defined to be the master It is selected with parameter 120 nCPC The master compressor is the one which turns on first and switches off last In the case of segmented compressors in response to power step increment reguests the master compressor will always be augmented before the other compressors on the circuit are considered to be available The compressor activation policy parameter 552 PoLl influences the way in which the master compressor is used In detail If the policy is Fixed Sequence 552 Poll 0 the master compressor is always turned on first and taken to saturation after which the other compre
87. eparing 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 functional changes at any time without notice 41 1 EWCM9900 liwell EWCM9900 liwell eli 150 9001 Eliwell Controls Srl Via dell Industria 15 Z Paludi 32010 Pieve d Alpago BL Italy 55 2004 D Telephone 39 0437 986 111 sa ar 2101 Facsimile 39 0437 989 066 eb ENVIRo IS o Z O S www eliwell it Sales 39 0437 986 100 Italy 39 0437 986 200 other countries saleseliwell invensyscontrols com Technical helpline 39 0437 986 300 techsuppeliwell invensyscontrols com ea co N T N o lt o O Eliwell Controls s r l 2008 All rights reserved Invensys Controls Europe An Invensys Company
88. eps of different power NON HOMOGENEOUS STEPS 3 522 CtyP 2 circuit composed of a combination of a single compressor controlled by INVERTER type 1 system HOMOGENEOUS STEPS INVERTER 4 522 CtyP 2 circuit composed of a single compressor controlled by INVERTER INVERTER NOTE This system is derived from case 3 by setting the number of step compressors to 0 523 CpnU 0 Compressor control is a function of the LP control probe Use parameter 547 UMCP to select both pressure control bar PSI and temperature control C F Note that if using temperature control and the LP control probe is a pressure transducer suction control is a function of the value converted into temperature of the selected gas of the LP control probe Behaviour is dual if the LP control probe is a temperature probe and the control selected with 547 UMCP is pressure control Parameter 547 UMCP can be modified during normal operation The default suction control is pressure bar Note The unit of measure shown on the display may differ from the control unit Three controls can be selected with parameter 101 CCFn 0 Proportional band control BP 1 Dead band control ZN 2 P l D control PID In case of proportional band control parameter 551 Stty controls the lateral and central setpoint relative to the control band HOMOGENEOUS STEPS The circuit is composed of 523 CpnU step compressors segmented or not segmented with steps of the
89. es place via the Main Display by pressing function d F2 QE This menu displavs the suction and setpoints and bands Change setpoint For example the suction setpoint is 0 09 bar To modify it select Set Asp and press the OK key The parameter 133 Set displays The corresponding discharge parameter is 333 Set Both can be modified as described in the Parameters chapter MENU Access to the reduced parameters Menu takes place via the Main Display by gees and holding down the function key F2 ee os SR liw ell Only a few parameters are visible that is a reduced set of parameters of the Parameters Menu Operating Configuration PARAMETERS 01 01 Configuration The setpoint and band values visible in the Set Band menu can also be set with the Parameters gt Compressors menu or Parameters gt Fans menu The menus Menu Set band Compressors fans menu Probes menu are only accessible from the Main Display and not from the navigation menu When the keypad is locked the key icon is displayed see Ouick Menu and it is not possible to operate the device until it is unlocked again To unlock the keypad hold down F2 default Parameter 550 HKUnL allows you to chose which key to use for unlocking the keypad SET BAND 01 02 Suc Set 0 09 Bar 0 25 Bar 14 4 Bar Suc Band Del Set SET SUC 001 001 133 SEt Suction setp
90. et 24h Mon Fri Mon Sat 137 dSPo2 Offset 2 for dyn set Sat Sun Sun depending on the time band mode setting e n all other cases the setpoint is added to 136 dSPol If 146 dAtdS 0 the correction is equal to 136 d5P01 137 dSP02 for ambient temperature values lt SET for higher values there is no correction ECONOMY FUNCTION DISCHARGE SET POINT The Economy function manages the control of the regulation SetPoint The function allows obtaining control on the discharge regulation SetPoint depending on the external ambient temperature for instance the temperature of the condenser The activation request may come from scheduled time band dedicated digital input for the function in question key functions menu remote supervision system or web Energy Saving function The Set can be fixed or variable function of a differential defined by 314 d d Mode Set Dyn Del 0 indicates that the discharge SetPoint will be dynamic that is a function of a differential 314 dSd Mode Set Dyn Del 1 indicates that the discharge SetPoint will be fixed Case 314 0 dynamic setpoint The function can be enabled only if the external temperature is lt 348 dSMEt Max Ext Temp Set dyn The condensation setpoint is derived by summing the external temperature to the CR factor see drawing where CR 346 dSdo power delivered by the system 100 Notes The CR factor is limited below by 347 dSLdo
91. g probe gt external temperature probe on condenser 356 EtPr Tp Ext protection if 356 EtPr not equal to 0 Case 314 1 fixed setpoint from the setpoint is subtracted 339 dSFo e f the request originates from a digital input the Energy Saving function will be activated de activated by changing the status of the digital input active with contact open e f the request originates from the Energy Saving function the economy will be activated de activated by changing the status of the Energy Saving function It will be activated if the Energy saving function requires it and de activated otherwise Keystroke Functions menu and remote requests toggle activate de activate the funtion compressors OFF 560 LrOn Time 559 LrCd 561 LrOF e f 560 Lron and 561 LroF the output is always deactivated f 560 Lron 0 and 561 LroF is not equal to O the output is always deactivated e f 560 Lron is not equal to 0 and 561 LroF 0 the output is always active recovery ON OFF Recove 559 Hrdt bd water temperature with contact open Keystroke Functions menu and remote requests toggle activate de activate the function e f time band control is already active the status specified for the current time band is forced when the time band itself starts if other requests occur during the time band they are always considered Auxiliary control is active immediately after the device
92. ge economy functions The function is enabled as shown in the table and depending on the setting of parameter 556 ESFn The activation reguest may come from scheduled time band dedicated digital input for the function in guestion key functions menu remote supervision system or web Note If the heat recovery function is active and the activation of the Energy Saving function results in a change in the state of the discharge economy function the recovery function is de activated The de activation occurs as per the exclusion table for disabling via time bands Energy Saving is disabled also when the status of a function indicated in the table as being with economy function active v symbol is modified for example by a keystroke Example If Discharge Economy is disabled and 556 ESFn 5 the Energy Saving function is disabled in Suction Economy circuit 1 further to Discharge Economy itself naturally Suction Economy circuit 2 will undergo no change Note The Energy saving LED will go out If the reguest originates from a digital input the Energy Saving function will be activated de activated by changing the status of the digital input active with contact open Keystroke Functions menu and remote reguests toggle activate de activate the funtion Time Bands e If time band control is already active the status specified for the current time band is forced when the time band itse
93. h voltage or voltage free exceeds those available In addition there may not be more than 12 compressors e in refrigeration units with HOMOGENEOUS STEP or NON HOMOGENEOUS STEP compressors at least one compressor must be present in refrigeration units with HOMOGENEOUS STEP or HOMOGENEOUS STEP INVERTER compressors the number of steps per compressor must be less than 6 EXAMPLE AUTOMATIC I O ASSIGNMENT EWCM8400 default configuration machine room with 4 full homogeneous compressors Digital outputs They are assigned automatically in the order OUT1 ALARM cumulative alarm digital output 514 EAAL 1 Note No INVERTER compressor is enabled 515 EACI 0 C1 OUT2 Switch on compressor 1 Note 502 PC1 1 C2 0UT3 Switch on compressor 2 Note 503 PC2 1 C3 OUT4 Switch on compressor 3 Note 504 PC3 1 e C4 OUT5 Switch on compressor A Note 505 PC4 1 Digital inputs The high voltage inputs will be assigned automatically in order Note there are no voltage free digital inputs there is no INVERTER compressor shut down ALIN1 DIH1 Compressor 1 shut down ALIN2 DIH2 Compressor 2 shut down ALIN3 DIH3 Compressor 3 shut down ALIN4 DIH4 Compressor 4 shut down LP DIH5 Suction pressure switch Note 519 EAgA 0 Analogue outputs Not configured MANUAL I O ASSIGNMENT Manual assignment allows you to modify the default configuration or the outcome of automatic I O assignment NOTE automatic
94. ically reset the LED turns off and the alarm relay is deactivated If at the end of the acknowledgement period there is at least one active alarm the alarm relay is re activated and the alarm LED turns back on ENABLING ALARMS In general all alarms and probe errors are immediately controlled from when the machine is switched on if enabled The LP HP control probe maximum and minimum alarms are distinguished inasmuch as they are controlled if enabled after the delay 566 Pao after the device is switched on The handling of each alarm can be configured see parameters 569 PrSAE to 701 HPPAE so as to Values attributable to alarm parameters 569 PrSAE 701 HPPAE O Disables alarm handling 1 Enables alarm notification only 2 Enables notification and control actions 3 Enables notification control actions and activates a dedicated relay for the blocking alarm This does not apply to probe errors and compressor alarms which are in the always enabled matrix Access to the Alarms Menu takes place via the Main Display by pressing and holding down the function key F3 if there are no active alarms probe errors the display will read EMPTY SAFETY RELAY The safety relay digital output is activated when the board is powered up It is deactivated when the board is powered down The actuation of the safety relay depends on the correct allocation of the output itself BLOCKING ALARM RELAY This relay is activated if at least one of 569
95. indicates the percentage output of the INVERTER PS the percentage is indicated only by the value the icon doesn t identify the power delivered that is it is the same for all the percentages suction discharge side INVERTER fan e an out icon is displayed the number indicates the percentage output of the INVERTER no output in the case of digital fans Note in the case of digital fans the corresponding icon is shown in section B PS the percentage is indicated only by the value the icon doesn t identify the power delivered that is it is the same for all the percentages EWCM9900 SHORTCUTS Specific submenus can also be accessed directly from the main display using the following keypad shortcuts also see Keys and Components Key F1 Compressor and Fans Status Key F2 Unlock keypad if locked by a parameter Key F2 Set Band Setpoint and control band menu Key F2 Parameters gt Operation Configuration Reduced menu Key F3 Acknowledge Diagnostics gt Active Alarms Alarms Menu Key DX Probes menu Keys SX DX Modify main discharge suction display Key OK Advanced Navigation Menu Press and release hold for about 5 seconds IM ock KEYPAD Parameter 549 LoCK see parameters description allows you to lock the keypad to prevent inadvertent operation The keys are immediately disabled SETPOINT AND CONTROL BAND MODIFICATION Access to the SET BAND Menu tak
96. ing to the product code Check feasibility and availability of codes with Sales Department KEYS AND COMPONENTS Programming Alarm PR x e es o KS Ex on KOND e Ca o 2 E G Main Display Navigation Menu Press and release Press and hold Press And Release around 5 seconds Opens the No Function No function No function Compressors fans Menu Opens The Reduced Opens the set band Menu Parameters No function No function Configuration Menu Opens The Alarms Menu Alarm acknowledgment No function No function Upload Glossaries from reset Change display discharge Opens the Probes value n M eC gt F gt Bar gt PSI Menu ann Opens the next Menu No function 7 Enters Edit Mode Save and confirm value Navigation Menu Activate function Change suction value Return to previous Opens the next Menu Save and confirm value BE lt lill EN EWCM9900 The keypad has 3 LEDs See the table e The LEDs can be off on steady flashing The Programming LED PRG is off or flashing in the Operation Configuration Administrator menus see above e The Economy LED third from left can be never flashing Alarm mn alarm active alarm at least one acknowledgment Programming Operational Configuration Administrator Parameters menu Service menu PRG Economy function off Economy function o
97. is done with parameters 502 PC1 to 513 PC12 which define the number of steps of each compressor number of segmentations plus one Up to 5 segmentation relays can be handled Parameter 118 PtSE defines the mode of actuation of the segmentations see table e If for example 502 PC1 1 segmentation is not available hence the compressors are full and can deliver 0 or 100 of their power only e f for example 502 PC1 4 4 power steps 3 segmentations are available hence the compressors are full and can deliver 0 25 50 75 or 100 of their power 118 PTSE 0 118 PTSE 1 118 PTSE 2 Power Segmentation Segmentation 1 2 3 100 ON ON ON 75 ON ON 50 ON 25 0 41 81 EN EWCM9900 lc opp rss Op CONTROL INVERTER COMPRESSOR TIMINGS The On and Off times of a compressor must meet the following reguirements Minimum off on time 121 oFon This is the minimum delay between switching off and switching on Minimum on off time 122 donF This is the minimum delay between switching on and switching off Minimum on on time 123 onon This is the minimum delay betvveen svvitching on and svvitching on again INVERTER COMPRESSOR max speed If the suction controller requires a power greater than 116 InSSP the INVERTER will nonetheless be controlled at 116 InSSP INVERTER COMPRESSOR min speed e f 114 InLSP the INVERTER is controlled at the speed defined by the suction control
98. ised by the ParamManager software the BlueCard module supplied with the software license must be inserted in its slot Files with extensions DAT HIS REC are in text format and can be read with any word processor e g WordPad Notepad Files with extension dat can be used by Param Manager version 5 2 or following EWCM connected to the PC INTERFACE 2150 2250 with a RS 485 line For monitoring managing and programming the parameters of the instrument e NOTE 1 instrument powered independently NOTE 2 pay particular attention to the polarity of the RS 485 line and GND For the installation of the RS 485 network refer to the provided documentation See Annex Accessories USB CopyCard Fit the USB Copy Card TTL side into the slot and up download the parameters as described in the Copy Card chapter On termination of the procedure disconnect the USB Copy Card WebAdapter The WebAdapter module enables display and modification given the reguired permissions with an internet browser of parameters states and alarms The controller can be connected to the internet with the WebAdapter module to display the controller s resources via an internet browser without the need for any further software on the pc The connection between the controller and the WebAdapter is made with a direct RS 485 and software license Notes e If the module is internally integrated there is no need for recognition or configur
99. l output for INVERTER error optional Error conditions are signalled by digital inputs fan thermal switch with continuous control Note Parameter 521 nFn number of fans is not significant in this case inasmuch as the INVERTER analogue output is used INVERTER fan max speed If the discharge controller requires a power greater than 311 InSSP the INVERTER will nonetheless be controlled at 311 InSSP INVERTER fan min speed e f 309 InLSP the INVERTER is controlled at the speed defined by the discharge controller If 309 InLSP is non zero there are two options the discharge controller reguest is less than 309 InLSP but non zero the INVERTER is forced to the default minimum speed set in 309 InLSP In this case if the control probe HP lt 345 InLPt and delay 565 PAo alarm de activation at switch on has expired the INVERTER switches off and the enabling digital output is de activated the discharge controller request 0 the behaviour of the INVERTER is determined by 330 InoS e If 330 InoS 0 the INVERTER continues to be controlled at the minimum speed defined by 309 InLSP for the period 328 Inot after which the INVERTER is switched off and the enabling digital output is de activated e If 330 InoS 1 the INVERTER contrinues to be controlled at the minimum speed defined by 309 InLSP Suction controller request m Suction controller actuation Time Time Timer
100. le ERR control omi 0 flag O No 1 Yes 109 PoPr ERR power value 0 100 50 111 PEn Max time LPr alarm 0 20 2 number 112 PEI PEn interval 125515 15 mins 113 byPS HPr LPr bypass time 0 999 2 mins 114 InLSP Minimum speed 0 100 20 115 InMSP Top speed 0 100 80 116 InSSP Saturation speed 0 100 90 117 ColE Enable INV cut off 0 1 1 flag O No 1 Yes 118 PtSE Part sequence 0 2 0 number 120 nCPC Select Master COMP 0 523 CPnU 0 number See QUICKSTART folder 121 oFon COMP OFF ON time 0 999 5 mins 122 donF COMP ON OFF time 0 999 15 secs 123 onon COMP ON ON time 0 999 5 mins 124 don ON steps time 0 999 15 secs 125 doF OFF steps time 0 999 5 secs 126 FdLy Enable dON 1 On omii 1 flag O No 1 Yes 127 FdLF Enables dOF 1 Off 0551 1 flag O No 1 Yes 128 InPC inverter variation 1 100 10 129 Inot Max time INV a 0 0 999 999 mins 130 InLt INV time at min speed 0 999 0 Secs 100 600 C e 150 999 9 EF 131 LSE Minimum setpoint 1 68 0 37 bar bar 14 5 999 9 PSI 100 600 C 150 999 9 oF 132 HSE Maximum setpoint 1 68 4 6 bar bar 14 5 999 9 PSI 7 133 SEt Suction setpoint 131 USE 192 H SE 1 09 SE bar PSI 100 600 C 150 999 9 SF 134 Pbd Proportional Band 1 68 0 25 bar bar 14 5 999 9 PSI 100 600 G I 150 999 9 F 135 PbdE Extended proportional band 4 68 0 51 bar
101. ler e If 114 InLSP is non zero there are two options the suction controller request is less than 114 InLSP but non zero the INVERTER is forced to the minimum speed set in 114 InLSP In this case if the LP control probe lt 144 InLPt and delay 565 PAo alarm de activation at switch on has expired the INVERTER switches off and the enabling digital output is de activated the suction controller request 0 the INVERTER continues to be controlled at the minimum speed defined by 114 InLSP for the period 229 Ino after which the INVERTER is switched off and the enabling digital output is de activated Suction controller request Suction controller actuation i Time A 114 nLSP Time Time Time Time el INVERTER COMPRESSOR modulation in HOMOGENEOUS STEP systems The on off timings and dynamics of the Inverter compressor for a circuit composed of homogeneous step Inverter compressors are a function of the chosen control mode parameter 101 CCFn In the case of dead band ZN control the INVERTER modulates its power inside the dead band of the dead band controller Instead in the case of proportional band control BP or P I D control PID the INVERTER modulates its power from 0 to 100 between successive power step on offs The diversity of behaviour between BP and PID control is linked to the fact that in PID control of power steps hysteresis is ignored BP cont
102. lf starts e If during a given time band other requests from keystrokes the function Active only when the compressors on the same circuit are off Recovery Heat Function used for exploiting the heat developed by the condenser for instance to heat water for sanitary use water for rooms etc The function can be enabled in the Time Bands menu If you modify the Eco Cond function the Recovery function will be de activated if active Yes gt No SbGasCa Hot Gas Defrosting Function enabled after digital input activation appropriately configured NB The state of the functions Recovery e CTRitLig e Hot gas defrost can be displayed but not modified in this menu Example En Saving Energy Saving If parameter 556 ESFn 5 which means Suction Economy Discharge Economy activating En Saving will also enable Suction Economy e Discharge Economy in other words the 2 functions will be automatically enabled No Yes menu or remote controls occur these are considered by the system e f they are disabled by time bands the discharge and suction economy functions are determined by the time band settings Example if at 18 30 band 2 starts in which the Energy Saving function is disabled the discharge and suction economy functions are determined by their respective settings within the time band itself Economy Economy Economy Discharqe Suction C1 Suction C2 9 Wee disabled disabled disabled E
103. lready underway due to a previous step being deactivated then this delay must expire before another resource can be deactivated f the decrement interstep time has already expired then it is reloaded when the controller calls for another resource to be deactivated Example of step activation in the case of three homogeneous step compressors with 126 FdLy 1 Power steps reguested A 1 Time Time between st ps INTA TI de Compressor 1 E d A EE Time Compressor 2 x A Time Compressor 3 Time Example of step activation in the case of four homogeneous step compressors with 126 FdLy 0 Power steps qequested NON HOMOGENEOUS STEPS activation e If 126 FdLy 0 it is sufficient that the increment interstep time 124 don be observed which starts when each resource is activated If 126 FdLy 1 the increment interstep time is reloaded when a resource is called by the controller only if the activation would result in guitting the dead band NON HOMOGENEOUS STEPS deactivation e If 127 FdLF 0 it is enough that the decrement interstep time 125 doF be observed which starts when a resource is switched off e f 127 FdLF 1 then the decrement interstep time is reloaded when the controller calls for another resource to be deactivated if this would result in guitting the dead band SEGMENTATION OF HOMOGENEOUS STEP COMPRESSORS The configuration of a circuit with segmented compressors
104. m management Analogous to 569 PrSAE 580 SCAE Comp Maint Alarm Compressor maintenance alarm management Analogous to 569 PrSAE 591 oLAE Oil Level Alarm Lubricant oil level alarm management Analogous to 569 PrSAE e 582 gAAE General alarm Generic alarm management Analogous to 569 PrSAE 583 rtCAAE RTC Alarm Real Time Clock alarm control clock Analogous to 569 PrSAE 701 HPPAE Saf Meas Timeout Alarm Delivery maximum alarm safety timeout Alarm Management O Disables alarm handling 1 Enables alarm notification only CONFIGURATION PARAMETERS e 639 tAb TAB Configuration index for default parameters cannot be modified by the User 640 rtCE RTC Enabling Yes RTC enabled No RTC disabled If No the Time Bands Menu is not significant Freon Type e 641 FtyP Type of Gas Type of freon used in the system The selection of the type of freon is necessary for correct system operation Value Description 0 R22 R134a R502 R404 A R407 C default R 507 R717 R410A R417a CO CO N o0 ui A WIN gt R744 R 402A 5 O R 402B 12 15 not used Analog inputs type e 646 Sig12 Probe Type SIG1 2 Configurable in pairs 0 10V 0 5V 4 20mA 648 Pb12 Probe Type PB1 2 649 Pb34 Probe Type PB3 4 Configurable in pairs NTC PTC Digital input 3 D I Digital Input 4 NTC103AT 5 PTC KTY81 6 NT
105. n OUICK MENU Ke The display is used to monitor the parameters machine status and operating modes as well as configuring the parameters The Main Menu has 5 sections arrow icon associated with key F1 for access to the Compressors Fans menu key icon associated with key F2 if so programmed indicates the state of Keypad lock LoCK visible only if the keyboard is locked thermometer icon associated with the F2 key to access the Menu SET BAND alarm icon associated with the F3 key for access to the Alarms Menu acknowledge the alarms Visible only when there are alarms probe errors The described icons are visible only in the Main View During Menu navigation they are not present Compressors FansDIGITAL compressor icon followed by a number to indicate the number of active compressors active compressor power steps icon followed by the appropriate number digital fan icon followed by a number to indicate the number of active digital fans LP suction side the first number indicates the value read by the suction probe the second number indicates the value of the suction setpoint HP discharge side the first number indicates the value read by the discharge probe the second number indicates the value of the discharge setpoint OUT OUT lt lill Compressors Fans INVERTER suction discharge side INVERTER compressor e an out icon is displayed the number
106. n alarm 22 01 12 compressor 12 5 oe 7 Yasa dC 7 xy Um oe 7 saysa s oe 7 z n o 7 Ay s aoedd ww s oe 7 erowid s JJ aod oe 7 s y s oe k m s oe E sss Mem rihi 7 xa x ox mh Te ka 1 oe xx ram o lt lill EWCM9900 MU 5 ALARMS TABLE 1 2 2 My Compressor Sy xi ied ca Refrigerant Level Manual X Plant shutdown Refrigerant Leak 571 gtSAE 575 FtAE Activates central Manual Plant Refrigerant Leak gas expulsion digital output Thermal switch Fan 1 Digital fan 1 thermal switch Thermal switch Digital Automate Fan 8 fan 8 thermal switch Cont Fan Thermal Continuous control fan Automatic switch Delivery thermal switch inverter error Maintenance Maintenance 1 digital fan 1 Maintenance Maintenance anual Fan 8 digital fan 8 Cont delivery fan Maintenance Manual maintenance Continuous control fan Suction Comp Oil Compressor oil pressure Press Diff differential circuit 1 Automatic Suction 2 Automatic fan 1 X if all the digital fans are in thermal switch mode Plant shutdown if all the digital fans are in thermal switch mode 575 FtAE 575 FtAE Plant shutdown X Plant shutdown
107. nfiguration Parameters Menu and Administrator Parameters Menu See also parameter 634 Administrator Passvvord 636 PSW3 Password 3 Sets the Menu password Administrator parameters Visible from Administrator Parameters Menu See also parameter 634 Visible parameters from other Menus Param Manager Service Password 637 PSW4 Password 4 Sets the Service Menu password Visible from the Service Menu See also parameter 634 Password 5 637 PSW5 Password 5 Not used See also parameter 634 41 1 EWCM9900 PARAMETERS TABLE Parameter Range EL U o M Notes DEFAULT QUICKSTART folder 501 tyPE Type of plant 0 2 0 number O Standard compressor plant 502 PC1 Power COMP 1 1 208 3 number 503 PC2 Power COMP 2 1 200 3 number 504 PC3 Power COMP 3 1 255 3 number 505 PC4 Power COMP 4 1 255 number 506 PC5 Power COMP 5 1 200 1 number 507 PC6 Power COMP 6 1 255 1 number Sen p 508 PC7 Power COMP 7 1 255 1 number y 509 PC8 Power COMP 8 1 255 1 number 510 PC9 Power COMP 9 1 255 1 number 511 PC10 Power COMP 10 1 2DD 1 number 512 PC11 Power COMP 11 144255 1 number 513 PC12 Power COMP 12 1 200 1 number 514 EAAL Enable DO Alarms 0 1 1 flag 0 No 1 Yes
108. ntegral component 304 ItEn 1 enable proportional component 306 PbEn 1 enable derivative component 307 dtEn 1 the integrative time constant Ti the proportional band constant Bp the derivative time constant Td Correspondence of parameters Bp 334 Pbd Ti 305 It Td 308 dt Tc Application cycle time 1 0 sec The discrete control signal applied to the actuator is thus Digital fans PID The control signal u t results in the activation of a number of power steps which is proportional to u t itself INVERTER fan PID the control signal u t represents the power actuated directly by the INVERTER 41 1 EN EWCM9900 CLOCK AND TIME BANDS MENU The Clock and Time Bands Menu is used to set the date time and the device s operational time bands NB check that the parameter 640 rtCE is set to Yes RTC present if it is not the correct display and the change of the date time will not be guaranteed Menu composed of 2 folders Date and Time sets the device s date and time Time Bands each week can be divided into 6 periods in which controls can be set such as dynamic suction setpoint energy saving and so on The calendar is weekly the week can also be divided into two periods week and weekend with separate controls Date and Time DATE TIME 01 01 24 05 08 14 30 Change Date Change Time The current date and time will be displayed and the two folder
109. o Max Tp OUT Recovery 27577 40 c SE 087 t 558 Hrdt Delta Tp Recovery 150 999 9 10 oF C 559 LrCd Liq Ret Ctrl Delay 0 999 15 mins 560 Lron Liquid Return d c ON time 0 999 60 secs 561 LroF Liquid Return d c OFF time 0 999 60 secs 562 LrCd2 Liq Ret Ctrl Delay 0 999 15 mins 563 Lron2 Liquid Return d c ON time 0 999 60 secs 564 LroF Liquid Return d c OFF time 0 999 60 secs ADDRESSING folder K OI L i X ae 671 FAA Family Address 0 14 0 number 672 dEA Device Address 0 14 0 number 673 PtStLV Protocol selection 2 2 number Micronet 674 bdrttLV Baud rate 0 2 0 number 9600 b s 675 PtytLV Parity Bit 0 2 1 number TAJNIK Odd numbers TINK RESOURCE ALLOCATION folder 501 tYPE 0 501 tYPE1 1 584 H201 Relay OUT 1 93 93 9 number 9 ALARM 9 ALARM 585 H202 Relay OUT2 93 93 19 number 19 COMP1 STEP1 19 COMP1 STEP1 586 H203 Relay OUT3 93 93 33 number 33 COMP1 STEP2 33 COMP1 STEP2 587 H204 Relay OUT4 93 93 34 number 34 COMP1 STEP3 34 COMP1 STEP3 588 H205 Relay OUT5 93 93 20 number 20 COMP2 STEP1 20 COMP2 STEP1 589 H206 Relay OUT6 93 93 38 number 38 COMP2 STEP2 38 COMP2 STEP2 990 H207 Relay OUT7 93 93 39 number 39 COMP2 STEP3 39 COMP2 STEP3 591 H208 Relay OUT8 93 93 21 number 21 COMP3 STEP1 21 COMP3 STEP1 992 H209 Relay OUT9 93 93 43 number 43 COMP3 STEP2 43 COMP3 STEP2 993 H210 Relay OUT10 93 93 44 number 44 COMP3 STEP3 44 COM
110. of the notch is fixed the notches graphically display the minimum average maximum speeds The notch turned on indicates power 1 6 Note e In case of probe not configured the display reads In case of probe failure error the display reads Err kaf li li Compressors Menu e fig A Compressors Menu fig B Ve Ap d lt Fans Menu digital fig C d LE Fans Menu proportional CA Hr H ec efig D full symbol indicates utility active power step on empty symbol indicates utility present but not active power step off flashing symbol indicates that there are safety times for utility activation digital fans full symbol indicates utility active fan on empty symbol indicates utility not active fan off proportional fan full symbol indicates 1 6 active empty symbol indicates 1 6 not active lt lill LS EWCM9900 luc DIFYING THE DISPLAYED UNIT OF MEASUREMENT IT is possible to modify the displayed unit of measurement for suction all models and discharge e e e dall Suction Press the LH key Discharge Press the RH key The display toggles between Bar gt PSI gt C gt F The default display and control is pressure bar Compressor control is a function of the LP control probe Use parameter 547 UMCP to select both pressure control bar PSI and temperature control C F Fan control is a f
111. of the alarm is incremented The maximum value of the hourly freguency is 99 Each alarm is represented as follows nn Exyzw hh mm dd mm yy ff nn Nr Alarm 1 50 Exyzw E followed by alarm code xy and system index zw hh hour of activation e dd mm yy date of activation e ff hourly frequency the number of times the alarm has occurred in an hour max 99 Example E0102 13 12 06 08 02 Alarm 0102 at 13h on 12 June 2008 2 activations in the hour See table ALARMS LOG AND CODES LIST UPLOADING THE ALARMS LOG See USB Copy Card chapter DISCHARGE HIGH ALARM PREVENTION The discharge high alarm is prevented by limiting the number of resources the suction controller would normally ask for when the HP control probe approaches the alarm activation threshold This function is activated by parameter 318 HPPE This prevention algorithm is based on the definition of two thresholds W1 and W2 relative to the HP control probe which can be defined absolutely or relatively depending on parameter 544 Abs Se 544 AbS 0 absolute W1 340 HPP1 W2 341 HPP2 Se 544 AbS 1 relative W1 333 Set 340 HPP1 W2 333 Set 341 HPP2 lt lill EN EWCM9900 ML When the value of the HP control probe exceeds W1 resources can no longer be actuated by the suction controller In this phase compressors on call wait for equalisation of the discharge pressure temperature value If W2 is also exceeded res
112. oint 0 09 bar Modify band Similar to setpoint modification the suction band is 0 25 Bar and the associated parameter is 134 Pbd 334 Pbd for discharge NOTES The setpoint displayed by default is a relative pressure value absolute pressure 1 bar In the example 0 09 bar 1 09 1 bar To display the absolute pressure value set parameter 543 rELP The unit of measure shown on the display may differ from the control unit this is determined by 548 UMFn The setpoint may be lateral or central depending on the value of parameter 551 Stty If a password has been enabled you will first be presented with the label PASSWORD In the description of the parameters the reduced parameter set is shown in bold Note The configuration folder includes the folder and the OuickStart parameters described in the Advanced Functions chapter 41 1 EWCM9900 PROBES MENU Access to the Probes Menu takes place via the Main Display by pressing and holding down the RH function key 2 6 481 PRG e es C This Menu shows the values of the pressure transducers and the probes in the plant Display of the values of the probes Scroll through the probe values with the UP and DOWN keys PROBES 01 05 SIG1 13 4 Bar SIG1 13 4 PSI SIG2 3 61 Bar PROBES 02 05 SIG2 3 61 PSI 13 4 Bar 13 4 PSI SIG3 SIG3 PROBES 03 05 PB1 15 6 C PB1 PB2 PROBES 04 05 PB2 PB3 PB3
113. on 5 compressor 11 88 Segmentation 1 compressor 12 89 Segmentation 2 compressor 12 90 Segmentation 3 compressor 12 91 Segmentation 4 compressor 12 92 Segmentation 5 compressor 12 93 Blocking alarm digital output Digital Inputs High voltage 603 H101 IN Digital HV DIH1 e 612 H114 IN Digital HV DIH10 Voltage free 617 H301 IN Digital LV DI1 620 H304 IN Digital LV DI4 Configuration of digital inputs on high voltage DIH1 DIH10 and low voltage DI1 DI4 positive values indicate direct polarity negative indicate reverse polarity O Disabled Settings for voltage free digital inputs 1 Generic alarm 2 Digital input AUX1 3 Digital input AUX2 4 Digital input AUX3 5 Digital input AUX4 6 Suction economy digital input C1 7 Suction economy digital input C2 8 Delivery economy digital input 9 Energy saving digital input 10 Refrigerant level 11 Refrigerant leak 12 Hot gas defrosting request C1 13 Hot gas defrosting request C2 14 Circuit lubricating oil level C1 15 Circuit lubricating oil level C2 16 Compressor differential pressure switch C1 17 Compressor differential pressure switch C2 18 HP Compressor C1 19 HP Compressor C2 20 LP Compressor C1 lt lill 21 LP Compressor C2 22 Compressor thermal switch C1 23 Compressor thermal switch C2 24 Error INVERTER compressor circuit C1 25 Error INVERTER compressor circuit C2 Settings for high voltage digital inputs 26 Enable INVERT
114. onal to it the action of the proportional component decreases as the error approaches zero I proportional to the integral of the error integrates the measured error over time reducing the final divergence from the setpoint this function tracks the previous control values providing a corrective action capable of adding subtracting power gradually so as to reach the setpoint value D proportional to the derivative of the error considers the speed with which it varies the process control value this provides a faster response in system control inasmuch as the correction is greater the greater the rate of change of the error The control signal applied to the actuator is thus P D Kp error Ki integral of error Kde derivative of error Where Kp 1000 Bp Ki Kp TC TIi Kd KpeTd Tc You can set the following with parameters enable integral component Ki 102 ItEn 1 enable proportional component Kp 104 PbEn 1 enable derivative component Kd 105 dtEn 1 the integrative time constant Ti the proportional band constant Bp the derivative time constant Td Correspondence of parameters Bp 134 Pbd Ti 103 It Td 106 dt Tc Application cycle time 1 0 sec HOMOGENEOUS STEPS PID The control signal u t results in the activation of a number of power steps which is proportional to u t itself HOMOGENEOUS STEPS INVERTER PID The number of actuatable power steps is proportion
115. orporated according to the characteristics of automatic operation as a type 1 B controller according to the software class and structure as a class A device as a device with class D fire resistance device made with class Illa material device with pollution grade 2 overvoltage category grade Il ball test temperature 75 C Improper uses Any use other than that expressly permitted is prohibited The relay contacts provided are of a functional type and subject to failure any protection devices provided for by the product standards or suggested by common sense for obvious safety requirements must be installed externally to the device RESPONSIBILITY 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 specified in this document use on panels that do not provide adequate protection against electric shock 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 not complying with the current standards and regulations LIABILITY CLAUSE 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 pr
116. ources will be deactivated progressively in proportion to the divergence between the HP probe value and the threshold W2 itself Note that once the HP probe value drops to between W1 and W2 the subtracted power is restored in observance of the compressor safety timings For values below W1 the suction controller returns to normal control Releasing resources HOMOGENEOUS STEPS AND HOMOGENOUS STEPS INVERTER A number of power steps will be released in the proportional band 342 HPPb equal to the percentage 319 HPPP of steps actuated in W1 If the INVERTER compressor is present its power is forced to 0 Power steps to exclude A 6 A ae a a a Sa a ED pa Sma s ass 4 p 2 Example 6 steps Discharge Probe A 124 Pbd X Compressor e SM power SET gt 502 PC1 506 PC6 A Ar JA INVERTER There will be a continuous decrease in power in the proportional band 342 HPPb equal to the percentage 319 HPPP of power actuated in W1 NON HOMOGENEOUS STEPS There will be a reguest for a continuous decrease in power in the proportional band 342 HPPb equal to the percentage 319 HPPP of power actuated in W1 There is thus no hysteresis inasmuch as it is not determinable in systems with compressors of different powers The only hysteresis will be temporal due to the increase decrease timing parameters The system will attempt to guarantee a power as close as possible in excess relative to
117. ove error message will display e Lock This key enables lock mode to allow for modification of parameters which have various units of measurement Some EWCM 18DIN parameters are duplicated guadruplicated depending on the unit of measurement shown on the display For example the parameter for the 131 LSE Compressors minimum setpoint folder is guadrupled as 131 LSE minimum setpoint C 131 LSE minimum setpoint F 131 LSE minimum setpoint bar 131 LSE minimum setpoint PSI In the ParamManager parameters table the parameter is repeated 4 times on 4 separate lines If you edit and select one or more lines or just edit one or more measurement units of the same parameter and you want to update the parameter map the following occurs Case A Lock disabled On the instrument for example the value 131 LSE in C will be edited the instrument will automatically recalculate all the measurement units on the basis of the current type of setting Despite the fact that the parameter specified in C has been modified the device which is controlling the system with another unit of measurement will recalculate all four parameters on the basis of its current type of control thus modifying both the C and F values highlighted in red independently of the operator s setting Serial bok with device 4 ce maripulshon op ora Sena pot heterna f Lieg asta deen Eom d Oo C Aepeed
118. played and modified not just via the Parameters Menu but also via other Menus i e parameter 133 SEt Suction Set Point can be displayed and modified via the SET BAND menu Some parameters can be displayed not just via the Parameters Menu but also via other Menus i e parameter 646 SIG12 Probe Type 1 2 can be displayed but not modified via the Probe Menu In order to configure the SIG12 pressure transducers correctly you need to access the Parameters Menu Configuration folder lt lill LS EWCM9900 INSTALLATION IMPORTANT Always make sure the device is switched OFF before Move the four spring docking devices to their standby position use a operating on the connections The operations must be carried out screwdriver see figure 3 by gualified personnel Install the BASE on the DIN RAIL then press the spring docking devices Do not install the devices in places subject to high humidity and or dirt which will go to the closing position in fact they are suitable for use in places with normal or ordinary NB With the BASE assembled on the DIN RAIL the Spring docking pollution levels devices must be turned downwards Make sure the area near the cooling slots is ventilated Keyboard mounting The keyboard is designed for panel mounting Make a 138x68mm hole Remove the front panel figure 1 and make 6 holes in the panel figure 2 points A B C D E F of dia 2 7 mm at the specified spacing figure 2 Insert the
119. ponent of PID setting 309 InLSP minimum speed Value of minimum fan speed 310 InMSP top speed Value of maximum fan speed 311 InSSP saturation speed Value of saturation fan speed e 312 FPP Enable ERR control Enablement of condenser power default value for delivery probe error O No 1 Yes 313 FPr ERR power value Condenser power default value for delivry probe error In percentage 314 dSd St Din mode Suc Selection of dynamic setpoint 0 dynamic set 1 fixed set e 315 PEn High alarm LPr times Number of delivery pressure switch errors which must occur within the interval defined by parameter 316 PEI in order to trigger the alarm 0 function off e 316 PEn interval Time interval for the calculation of the number of errors of the delivery pressure switch 315 PEn 317 byPS HPr LPr bypass time Delivery pressure switch high low pressure trip bypass time In minutes 318 HPPE Enable prev HP EWCM9900 Activation of general delivery alarm prevention O No 1 Yes 319 HPPP Red Pow prev HP Case INVERTER Continuous reduction of power in the proportional band 342 HPPd equal to the value of this power parameter activated in W1 see chapter on Alarms General delivery alarm prevention 320 HPPd Max duration prev HP General delivery alarm maximum duration O disabled time out output In minutes 321 HPPI Interval prev HP Minimum interval
120. power on Pressure alarm exclusion time from powering on the instrument in minutes e 567 tAo HP LP bypass time Delay for signaling the minimum or maximum alarm in minutes e 568 Aro Ack duration Alarms Alarm acknowledgment time 569 PrSAE HPr LPr Suct AlarmSuction pressure switch alarm activation for low high pressure O Disables alarm handling 1 Enables alarm notification only 2 Enables notification and control actions 3 Enables notification control actions and activates a dedicated relay for the blocking alarm 570 PSAE HP LP Suct Suction probe max min alarm control Analogous to 569 PrSAE 571 gtSAE Gas Level Alarm Refrigerant level alarm control Analogous to 569 PrSAE 572 gLSAE Gas leak alarm Refrigerant leak alarm control Analogous to 569 PrSAE 573 PrdAE HPr LPr Man Alarm Delivery pressure switch alarm activation for low high pressure Analogous to 569 PrSAE e 574 PdAE HP LP Man Alarm Delivery probe max min alarm control Analogous to 569 PrSAE 575 FtAE fans thermal alarm Fans thermal alarm control Analogous to 569 PrSAE 576 FInAE Fan Inv Prot Alarm Probe max min alarm control Analogous to 569 PrSAE 577 SFAE Fan Maint Alarm Fan fan inverter maintenance alarm control Analogous to 569 PrSAE 578 CSAE Block comp alarm Compressor block alarm control Analogous to 569 PrSAE 579 CInAE Comp Inv Prot Alarm Compressor inverter error alar
121. pressor 2 43 Segmentation 1 compressor 3 44 Segmentation 2 compressor 3 45 Segmentation 3 compressor 3 46 Segmentation 4 compressor 3 47 Segmentation 5 compressor 3 48 Segmentation 1 compressor 4 49 Segmentation 2 compressor 4 50 Segmentation 3 compressor 4 51 Segmentation 4 compressor 4 52 Segmentation 5 compressor 4 53 Segmentation 1 compressor 5 54 Segmentation 2 compressor 5 EWCM9900 55 Segmentation 3 compressor 5 56 Segmentation 4 compressor 5 57 Segmentation 5 compressor 5 58 Segmentation 1 compressor 6 59 Segmentation 2 compressor 6 60 Segmentation 3 compressor 6 61 Segmentation 4 compressor 6 62 Segmentation 5 compressor 6 63 Segmentation 1 compressor 7 64 Segmentation 2 compressor 7 65 Segmentation 3 compressor 7 66 Segmentation 4 compressor 7 67 Segmentation 5 compressor 7 68 Segmentation 1 compressor 8 69 Segmentation 2 compressor 8 70 Segmentation 3 compressor 8 71 Segmentation 4 compressor 8 72 Segmentation 5 compressor 8 73 Segmentation 1 compressor 9 74 Segmentation 2 compressor 9 75 Segmentation 3 compressor 9 76 Segmentation 4 compressor 9 77 Segmentation 5 compressor 9 78 Segmentation 1 compressor 10 79 Segmentation 2 compressor 10 80 Segmentation 3 compressor 10 81 Segmentation 4 compressor 10 82 Segmentation 5 compressor 10 83 Segmentation 1 compressor 11 84 Segmentation 2 compressor 11 85 Segmentation 3 compressor 11 86 Segmentation 4 compressor 11 87 Segmentati
122. quirements such as compressor safety timings the resulting allocation is such as to obtain at any given time a maximum discharge of the compressors with lower indexes Note that on request for a step increment the components which may increment are considered and that with the lowest index is selected on request for a step decrement the components which may decrement are considered and that with the highest index is selected Balancing 552 Poll 1 The balancing policy distributes all resources equally over the largest possible number of compressors so far as this is compatible with other requirements such as compressor safety timings The resulting allocation is intended to have the greatest possible equalization of power output levels in the compressors at any one time Note that on request for a step increment the components which may increment are considered and that with the smallest distance from the minimum number of deliverable steps at that time is selected If more than one compressor is at the same distance the one with the least hours of operation is chosen on request for a step decrement the components which may decrement are considered and that with the largest distance from its minimum number of deliverable steps at that time is selected If there are more than one at equal distance the component with the highest hours of use is selected Saturation 1 552 Poll 2 The saturation 1 policy dist
123. ressor block 3 49 Compressor block 4 50 Compressor block 5 51 Compressor block 6 52 Compressor block 7 53 Compressor block 8 54 Compressor block 9 55 Compressor block 10 56 Compressor block 11 57 Compressor block 12 58 Compressor block regulated continuously C1 459 Compressor block regulated continuously C2 60 Power limit NU 631 H501 OUT Analog V1 11 632 H502 OUT Analog V2 12 633 H503 OUT Analog V3 13 Configuration of analogue inputs for INVERTER AO1 A03 O Disabled 1 Switch on INVERTER fan 2 Switch on INVERTER compressor circuit C1 3 Switch on INVERTER compressor circuit C2 SETUP FILES PARAMETERS 452 USId1 User string 1 453 USId2 User string 2 String composed of 20 alphanumeric characters max length 459 rECF File name REC 459 HISF File name HIS 459 dAtF File name DAT e 459 gLoF File name GLO Names that will be assigned to the various log files on operation alarms log parameters glossary PASSWORD Operating passwords 634 PSW1 Password 1 Sets the Operational Parameters Menu password The password is composed of 5 alphanumeric digits The default password is Note The default password set to ee provides direct access to the Menu Visible from Operational Parameters Menu and Administrator Parameters Menu EVVCM9900 Configuration Passvvord 635 PSVV2 Password 2 Sets the Configuration Parameters Menu passvvord Visible from Co
124. ributes all resources equally over the smallest possible number of compressors so far as this is compatible with other requirements such as compressor safety timings The resulting allocation is intended to have the largest possible number of compressors switched off at any one time Note that on request for a step increment the components which may increment are considered and that with the smallest distance from the maximum number of deliverable steps at that time is selected If more than one compressor is at the same distance the one with the least hours of operation is chosen on request for a step decrement the components which may decrement are considered and that with the smallest distance from the minimum number of deliverable steps at that time is selected If more than one compressor is at the same distance the one with the greatest hours of operation is chosen Saturation 2 552 Poll 3 Like saturation 1 except that when a decrement request occurs before switching off the last step to be turned on of a compressor it is wise to switch off a step of another compressor to avoid requests for switching the same compressor back on NON HOMOGENEOUS STEPS When the delivered power is varied the selection criteria for the new active compressor configuration are as follows e In the case of increased power the configuration which results in the smallest increase is given priority e n the case of decreased power th
125. rol The figure shows the relation between power discharge in suction and the value of the LP probe when the controller request differs by 1 step from that actuated Note the following by the INVERTER compressor to achieve fine control inside the step Power delivered by circuit Equivalent to wer step nmi power step x Mos z 7 Control probe Eguivalent to power step Eguivalent to p ower step N 1 The following table illustrates this in relation to time Inverter compressor power MIN t VAL1 t VAL3 t VAL4 Time t VAL2 t VAL1 DELAY tQVAL3 DELAY t VAL1 t VAL4 Time DELAY This time is a minimum of 130 InLt and is in the range from 124 don to 125 doF i Logical request for increment of one step of the step controller d Logical request for decrement of one step of the step controller If the power request from the controller exceeds by more than one step the actuated power the INVERTER compressor immediately runs at maximum speed 116 InSSP and the steps are activated according to the selected policy Only when the request is 1 step away from the actuated power does the INVERTER compressor resume modulation within the step If the power request from the controller is more than one step below the actuated power the INVERTER compressor immediately runs at minimum speed 114 InLSP and the steps are deactivated according to the selected policy Only when the request is 1
126. s in sixths or 1 notch corresponds to 1 6 of power see box with dotted frame in the case of an INVERTER compressor on circuit 1 circuit 2 not visible otherwise To view the state of the fans it is necessary to press the DOWN key A second screen will display Fans Menu Depending on the type of fans configured two types of menu will display Fig C or D The display shows Fan symbol HP High Pressure symbol condensation discharge side value read by the discharge probe in the unit of measurement defined in the main display e g 45 6 Bar discharge setpoint value in the unit of measurement defined in the main display congruent with the value read by the probe e g 34 5 Bar box with dotted frame Fans c Digital type fig C The display shovvs Menu for compressors fans of the main menu fig C the state of the digital fans ON or OFF identified by a rectangular symbol see legend in the example 5 out of 8 fans on Fans c Continuous control e fig D Menu for analogue output of the main menu fig D the presence of the analogue output and its percentage of use identified by a vertical bar divided into 6 notches in sixths or 1 notch corresponds to 1 6 of power see box with dotted frame analogue output always present if this menu appears otherwise the displayed menu is that of the digital fans Note unlike the compressors menu both values read by the dis
127. s configurable for plant diagnostics and Energy Saving functions Compatibility with a vast range of refrigerants Built in clock RTC Functions INVERTER control of compressors and fans Proportional Control PID and Dead Band Selection of homogenous power compressors and fan rotation policies Algorithms for Energy Saving Two programmable Setpoints normal and reduced regime Dynamic suction and delivery setpoints Time band management Management of probe alarms and minimum and maximum pressure switch alarms both for the compressors section and for the fans section e Full alarm handling self diagnostics and alarms log Operational log handling Upload download parameters alarms log operational logs and glossaries with USB Copy Card e Safety system which in case of EWCM failure activates an alarm output to deviate machine room control to an emergency system which ensures minimum operation until technical service is possible Navigation and programming User friendly LCD graphic keyboard Menu navigation Quick access menu for immediate status display and setting main operating parameters e Display and setting of programmable parameters in Bar PSI C or F Reduced set of parameters 3 levels of access to programming parameters Ouick Start Menu for guick and easy configuration Keystroke function activation from Remote control Connections for TelevisSystem or Modbu
128. s RTU remote control systems Display and modification with the correct privileges online with an internet browser of parameters states and alarms Mounting Mounts to 18DIN rail power board and panel keypad All machine status control and configuration operations can be performed using the supplied LCD keypad Menu navigation is user friendly two languages are available as standard English local language defined according to the product code The configuration and maintenance of the device is protected by several levels of passwords which hide protect access for authorised persons only The Administrator Menu is dedicated to the System Administrator and permits access to the Ouick Start Menu and all configuration and operational parameters the Administrator will also manage the access passwords for the users and experts installers and technicians The Ouick Start Menu is dedicated to initial configuration of the machine system and permits guick and efficient assignment of the system s resources The Service Menu is typically intended for use by the Administrator and Technical Service and allows use of the USB Copy Card see appropriate chapter and utilities diagnostics and control However any user can use the function keys and navigation keys to monitor the status of the system display alarms activate functions etc without the aid of passwords The Clock and Time Bands Menu also allows the user to set the dat
129. s band a further power step is actuated every 124 don seconds When the LP control probe value exceeds the threshold SET BP1 2 and if the increment interstep time has already expired a step is immediately actuated and the time 124 don 2 starts again In order for the LP control probe value to stay above this latter threshold the power steps are incremented every 124 don 2 seconds The same applies to power step decrements with the times set in 125 doF Power variations are not reguested inside the proportional band In this Algorithm there is no hysteresis All interstep times are resycnhronised at the activation deactivation of a new step The step to be activated deactivated is determined by the selection policy for the circuit in question set in parameter 552 PoLl In relation to timings see also TIMINGS FOR STEP COMPRESSORS in particular as regards parameters 126 FdLy and 127 FdLF NON HOMOGENEOUS STEPS dead band When the LP control probe value exceeds the threshold SET BP 2 but is still below the value SET BP1 2 if the increment interstep time 124 don has already expired a step is immediately actuated and the interstep time starts again If the value of the LP control probe stays in this band a further power step is actuated every 124 don seconds When the LP control probe value exceeds the threshold SET BP1 2 and if the increment interstep time has already expired a step is immediately actuated and the time 124
130. s for the modification e Change Date e Change Time Change Date CHANGE DATE 01 01 DD 24 MM May YY 8 Open the Change Date menu select which setting to change day DD month MM year YY and make the change Note The year is displayed as a two digit integer 2008 is displayed as 8 2010 as 10 Change Time As described above for the date set the time HH and minutes MM The hour is in the format HH 0 23 MM 0 59 The time can be specified to within a minute Leap years are contemplated For example February 2008 will have 29 days The change from GMT to BST and vice versa is not contemplated Clock not active If the clock is not active parameter 640 rtCE No the indicated date and time will not be accurate Whenever the machine is switched off and on again the time will display as 00 00 00 00 00 Re setting the parameter 640 rtCE Yes will return to the correct display The clock in fact has a buffer battery to prevent interruptions in power and or blackouts Clock error RTC error If the battery is drained or the clock is faulty an RTC error will be signalled by the Alarms Menu Time Bands Menu composed of 3 folders e Enable e Mode e Settings Enable Click on OK to enter the Time Bands menu Enable F O appears Time Bands Click on OK or Right to enter Edit Mode change the value from No to Yes with the UP key Confirm with the OK key To guit press the Left key Mode
131. s one In seconds Default 300 sec e 543 rELP Relative pressure Selects display in absolute or relative pressure 0 absolute 1 relative e 544 AbS Relative alarms Defines if the alarms are to be considered in a relative way Yes or absolute way No e 547 UMCP UM Suction 548 UMCP UM delivery Measurement Unit suction delivery section 0 9C 1 F 27 bar 3 PSI If the setting is in temperature and the suction input is a transducer the read value will automatically be converted into pressure according to the refrigerant 641 FtyP The unit of measure shown on the display may differ from the control unit The display depends on the LH suction and RH delivery buttons e 549 LoCK Keypad lock Locks the keyboard disabling the following functions modifies parameters modifies the Sets resets the hours of work of the various compressors and maintenance the parameter 579 LoCK in any case can be modified lt lill Value Description 0 no key 1 F1 single press 2 F2 single press 3 F3 single press 2 LH single press 5 RH single press 6 OK single press 7 F1 press and hold F2 press and hold 9 F3 press and hold 10 LH press and hold 11 RH press and hold 12 OK press and hold e 550 HKUnL Unlock Keypad Hotkey It defines the function key for unlocking the keyboard pressing the set function key accesses the reduced Menu to unlock the keyboard F
132. same power max 12 compressors The number of steps of each compressor is defined by parameters 502 PC1 to 513 PC12 if 502 PC1 1 the first compressor is of the full type HOMOGENEOUS STEP compressors are controlled by the switch on relays and if reguired buy the segmentation relays NON HOMOGENEOUS STEPS The circuit is composed of 523 CpnU compressors of variable power non segmented set no more than 4 compressors although the nominal maximum is 12 Parameters 502 PC1 to 513 PC12 define the power of each compressor on the circuit NON HOMOGENEOUS STEP compressors are controlled by their switch on relays HOMOGENEOUS STEPS INVERTER The circuit is composed of a combination of an INVERTER compressor and 523 CpnU step compressors segmented or not segmented with steps of the same power In this configuration the INVERTER compressor varies its output from 0 to 100 depending on the type of control selected by parameter 101 CCFn e f 101 CCFn 0 the INVERTER varies its output from 0 to 100 by switching on off two successive power steps e f 101 CCFn 1 the INVERTER modulates its power within the dead band of the ZN controller Parameters 502 PC1 to 513 PC12 define the number of steps of each compressor Step compressors are controlled by the switch on relays and if required buy the segmentation relays The INVERTER compressor is controlled by an analogue output and digital INVERTER enabling output optional
133. save the DAT file the program will display this window Modet VIS M D value PCH value _ PCH value Message Enter value 100 PCH aise fr the enaded s N B Medet 23301026 If you enter a value other op vane No message than 100 the DAT file will be pm Lance saved in any case but the USB key will not be recognised by the EWCM 18DIN Pin value for the uu DEE Manager xi i bi value entered the amp Insert a numeric value for PCH corresponding message ve ut vs 77 appears PCH o In case of Cancellation emer no DAT file is saved Hadet J Save cancelled by the user WE MOD value PCH value 1777 VVEBADAPTER The controller can be connected to the internet vvith the VVebAdapter module to display the controller s resources via an internet brovvser without the need for any further software on the pc VVith the VVebAdapter depending on permissions the operator is able to Display the controller parameter values Modify the controller parameter values Display the controller state Display the controller alarms Modify the controller date and time lt lill EWCM9900 ACCESSORIES Description code Temperature probes Probe NTC 103AT 1 5m plastic cap 2 wire cable SN691150 Probe NTC 6x40 1 5m metal cap silicon or PVC cable SN8S0A1500 C Probe NTC 6x50 IP68 1 5m cap in TPE Steel PVC cable SN8T6N1502 by other items available contac
134. selected then if the controller for the circuit in question requests power the available compressors are activated according to the current policy In substance if the master compressor cannot be used due to an alarm or deselection this does not make it impossible to activate resources e f the circuit to which the master compressor belongs is switched off and the master compressor is not in alarm and is selected but its safety timing is counting down then if the controller for the circuit in question requests power the master compressor is switched on first as soon as its safety timing has expired In the meantime the other compressors are kept switched off e f the master compressor quits an alarm condition when some of the compressors on its circuit are already active it loses its privileges when the controller requests power steps If the controller requests deactivation of steps then the master compressor gets its privileges back TYPE OF CONTROL Proportional band PID Dead band Digital compressors x Steps X X INVERTER compressors x Continuous X X Enabling 101 CCFn 0 The power request from the suction controller is proportional to the difference between the setpoint and the control probe LP STEP COMPRESSORS proportional band The controller activates a number of power steps to reach the setpoint given in parameter 133 SEt The number of resources required is linked to the difference between the value measure
135. sequence or rotation according to the hours of operation in activating the compressors including the compressor set as Master see 120 nCPC 0 fixed sequence Policy of distribution of resources starting from the compressors with a smaller index that is the principle must prevail of activating the first compressor in the sequence turning on the steps of the first compressor if applicable activating the second compressor etc 1 rotation of compressors Policy of distribution of resources starting from the compressors with a smaller index that is the principle must prevail of activating the first compressor in the sequence turning on the steps of the first compressor if applicable activating the second compressor in terms of operation etc The aim is to balance the hours of operation between the various resources 2 saturation 1 Policy of distribution of resources over the smallest possible number of compressors that is the principle must prevail of having the greatest number of compressors off 3 saturation 2 also called saturation algorithm When turning on steps in a segmented compressor system the principle must prevail of completely saturating a compressor before switching on another one When turning off a step in systems of the same type the logic is modified because before switching off the last step to be turned on of a compressor it is wise to switch off a step of another compressor
136. ssors are turned on and saturated in sequence without reference to the master unit When decrementing the sequence excluding the master is switched off as per saturation policy and the master is the last to be deactivated If the policy is Balancing 552 PoLI 1 the master is activated first and then all the others in balancing mode including the master In deactivation all compressors including the master are switched off in balancing mode but the master is the last to be turned off If the policy is Saturation 1 552 PoLI 2 the master compressor is always turned on first and taken to saturation after which the other compressors are turned on and saturated In deactivation all compressors including the master are switched off in saturation mode except for the master which is the last to be turned off The Saturation 2 policy 552 PoLI 3 differs in deactivation in which all compressors except for the master are decremented until they are providing only one step then they are switched off after which the master is decremented until it switches off 41 1 EWCM9900 lc opp rss Op CONTROL Non nominal cases e If the master compressor has an alarm or is deselected when it is active it is switched off and the selection of successive power steps follows the selected policy as if the master compressor did not exist e f the circuit to which the master compressor belongs is switched off and the master compressor is in alarm or de
137. step away from the actuated power does the INVERTER compressor resume modulation within the step PID control In this situation the section indicated as c in the figures above does not exist Sections a and b overlap with sections d and e Modulation within the step persists but without hysteresis in this case also lt lill EN EWCM9900 lc opp rss Op CONTROL RESOURCE SELECTION POLICIES The resource selection policies are generally employed to optimise the use of the compressors so as to increase their service life and reduce maintenance They are also used to emphasise dynamic behaviours of the plant such as saturation and balancing The policies apply to all types of circuit which have step compressors HOMOGENEOUS STEPS and HOMOGENOUS STEPS INVERTER The selection policies come into play when the controller requests the activation deactivation of a step This request is distributed to the most suitable compressor in terms of the policy in force The selection policies are based mainly on the hours of operation of the compressors Parameter 552 Poll selects one of the following policies 552 Poll 0 fixed sequence 552 Poll 1 balancing e 552 PoLl 2 saturation 1 e 552 Poll 3 saturation 2 also called saturation algorithm Fixed sequence 552 PoLl 0 The fixed sequence policy distributes all resources starting from the compressor with the lowest index so far as this is compatible with other re
138. t Sales Department Pressure transducers connection male female Z EWPA030 Pressure transducer 4 20mA 0 30bar TD200130 TD200030 m EVVPA007 Pressure transducer 4 20mA 0 5 7bar TD200107 TD300008 other items available contact Sales Department Fan modules CFS single phase speed regulators for currents from 2A to 9A various codes K eu CFSO5 TANDEM TRIAC 5A 5A 230V available a e DRV 300 3 phase 12 20A 420V IP22 or IP55 other items available USB COPY CARD USB CopyCard programming key for CCA0BUIO2N000 up downloading parameters up downloading glossaries downloading alarms log Interface modules e PCInterface USB PCI6A3000000 e PCInterface RS232 PCI5A3000000 other items available contact Sales Department Software Tools ParamManager SLPO5XX000100 WebAdapter WA0ETOOX700 lt lill EWCM9900 PROPER AND IMPROPER USE RESIDUAL RISKS AND RESPONSIBILITIES CONDITIONS OF USE Proper 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 a tool except the front panel It is classified according to construction as an electronic automatic command device for temperature control to be inc
139. ters Scroll through the parameters with the UP and DOWN keys To modify a value press OK to modify the value use the UP and DOWN keys to confirm the change press OK again To exit without saving press LH Reduced parameters menu Access to the reduced parameters Menu takes place via the Main Display by pressing and holding down the function key F2 Only a few parameters are visible that is a reduced set of parameters of the Parameters Menu Operating Configuration If a password has been enabled you will first be presented with the label PASSWORD In the description of the parameters the reduced parameter set is shown in bold MENU Functions Parameters Access the Administrator Parameters Menu from the Main Display as follows example with Password disabled see the successive paragraph for password management Press and hold the OK function key accesses the Navigation Menu MENU scroll DOWN through the various folders until you reach the Parameters folder select the folder with the OK key you access the Parameters Menu PARAMETERS Scroll with the DOWN key through the various folders and select the Administrator folder with the OK key The seguence to access the Operational and Configuration Parameters is entirely analogous The parameters are managed in folders that group a substantial set of programming parameters Administrator Parameters This menu contains all the parameters fol
140. that reguested in line with the available resources at the time of the decision Parameter 320 HPPd if not equal to 0 defines the maximum duration of the prevention algorithm When the algorithm remains active for longer than 320 HPPd counted from when WI is exceeded the algorithm is disabled for the time set in parameter 321 HPPI If enabled by parameter 701 HPPAE the alarm message Discharge prevention timeout will display Once delay 321 HPPI has expired and if the conditions obtain maximum discharge alarm prevention can be re enabled The alarm automatically resets when the HP control probe value drops below W1 and the algorithm was active The control of the algorithm timeout output is not active if 320 HPPd 0 If the HP control probe is in error this algorithm is not enabled 41 1 EWCM9900 E i ljALARNS LOG AND CODES LIST TT xy zw LP suction pressure switch LP suction pressure switch trip alarm manual alarm manual 0102 02 F s M s x iP sweypewueswwhwpsmimma vs v T Teen pressure swich trip alarm mana v o l x Deweypebemmmumdam x Dewypebemmmumdam o 01 digital fan 1 Digital fan thermal switch alarm 10 01 08 s 08 digital fan 8 01 digital fan 1 Digital fan 1 maintenance alarm 13 01 08 08 digital fan 8 7 asasan w oe 7 az oe 2 01 compressor 1 Compressor shutdow
141. tions menu is disabled Manual resource assignment is disabled Parameters Quick Start Select the Parameters menu with UP and DOWN and press OK to display the Quick Start parameters themselves If Enable No in the Quick Start menu the parameters will be displayed but not modifiable QUICKSTART Enable Parameters If Enable Yes in the Quick Start menu the parameters will be displayed and modifiable To change the value of a parameter follow the procedure described in Display and modification of parameters QUICKSTART 01 01 Enable Yes Parameters OUICK START PARAMETERS 501 tyPE Type of plant Defines the type of plant 0 plant with standard type compressors 1 plant with single delivery shared drain compressors 2 chiller Analogous to the case 0 In this case it is controlled in temperature in reference to the water Note If 501 tyPE 1 the parameters from the Compressors folder will be displayed 2 502 PC1 Power COMP 1 Defines the value proportional to the power number of compressor steps COMP 1 PC1 1 whole compressor PC1 2 compressor 2 steps 1 segmentation PC1 6 compressor 5 steps 4 segmentations if 522 CtyP 0 or 2 PC1 must be less than 6 NOTE a maximum of 12 compressors are permitted per system e 503 PC2 Power COMP 2 as above e 504 PC3 Power COMP 3 as above e 505 PC4 Power COMP 4 as above e 506 PC5 Power COMP 5 as above e 50
142. unction of the HP control probe Use parameter 548 UMFP to select both pressure control bar PSI and temperature control C F HD 5PLAYING AND ACKNOWLEDGING ALARMS Alarms are notified by the red LED on the keypad The alarm is also indicated by the activation of the corresponding alarm relay if so configured In this case you can 1 acknowledge the alarm by pressing and releasing F3 2 e The LED configured as alarm LED will blink The relay configured as an alarm relay will be deactivated e In case of new alarms probe errors the LED changes from flashing to steady on and the alarm relay is reactivated A VANCED NAVIGATION Access to the Advanced Navigation Menu takes place via the Main Display by pressing and holding down function key OK e e 6 lial Note that if using temperature control and the control probe is a pressure transducer control is a function of the value converted into temperature of the selected gas of the control probe Behaviour is dual if the control probe is a temperature probe and the control selected with 547 UMCP 548 UMFP is pressure control Note The unit of measure shown on the display may differ from the control unit 2 access the Alarms Menu to determine which type of alarm is in guestion Press and hold down F3 PRG me es R x lt lill The Alarms menu displays with the first alarm to display the other alarms use the UP and DOWN keys ALA
143. utputs it is necessary to enable manual mode Access the menu by pressing OK press the RH key and press UP to change from No to Yes Exit the Menu with the LH left key The display will show Manual YES At this stage access the folders Outx Test From this folder it will be possible to set Set in a similar way to what was described above the digital outputs from No to Yes Example On corresponds to the setting Yes Off to the setting No Out1 On Out2 On Out3 Off e Vx lx Test Similarly to what was described above the analogue outputs will be activated in a percentage with the OK key use the RH right Key and with the UP DOWN keys to increase or decrease the percentage of the analog output Exit the Menu with the LH left key Example V1 11 076 V2 12 100 IO State menu Menu which displays the inputs outputs e SIGx PBx displays the values read by the analogue inputs see Probes menu e Vx Ix displays the values read by the analogue outputs see IO Test menu e DIx DIHx displays the values read by the digital inputs which may be On or Off Example DIH1 Off DIH14 Off DU On e Outx displays the values read by the digital outputs which may be On or Off see IO Test menu lt lill EWCM9900 MENU PARAMETRI MENU 01 02 Diagnostics Service Clock and bands PARAMETERS Operating Configuration Administrator ADMINISTRATOR CONFIGURATION OPERATIVE PARAMETERS Parameters menu
144. y indicated lt lill GE EWCM9900 ALARMS The EWCM device is able to perform complete diagnostics of the system signalling any operating trouble with specific alarms both to signal on LCD and via LED particular events defined by the user to have greater control over the system Alarm are always indicated with the red Alarm LED on the keyboard The alarm is also indicated by the activation of the corresponding alarm relay if so configured The alarms can be of 3 types Automatic alarm Alarm active if the cause of the alarm is present otherwise not Manual alarm Alarm active if the cause of the alarm is present otherwise resettable in the alarms menu Semi automatic alarm timed event Behaves like an automatic alarm so long as the number of events in the unit of time is less than a number set in a parameter otherwise like a manual alarm Probe Errors Generic Errors The probe errors generic errors are all automatic ALARM ACKNOWLEDGEMENT Alarms can be acknowledged in the main display by pressing key F3 once see Keys and Components section The alarm LED flashes The relay configured as an alarm relay will be deactivated The duration of the acknowledgement is defined by parameter 568 Aro if 568 Aro 0 acknowledgement is not enabled In case of new alarms probe errors the LED changes from flashing to steady on and the alarm relay is reactivated If during the acknowledgement period all alarms automat

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