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USER MANUAL - Chiller Hire

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1. i 4 100 96 Prop rt gt 50 I 0 I I I I Compr On Fig 1 6 Example of a 2 step adjustment in the chiller mode zm SA ENEN C0240101 06 07 GB 1 4 3 Quick mind adjustment Users only need set the required setpoint as the other parameters are adapted to the system by the Quick Mind algorithm The values normally used are SET POINT Chiller on inlet 11 0 C SET POINT Chiller on outlet 7 0 C SET POINT Heat pump on inlet 42 5 C SET POINT Heat pump on outlet 45 0 C QUICK MIND is a self adapting algorithm for adjusting the temperature of the water treated by an all in one unit The following figure shows how this adjustment is made SUMMER Compressors off Compressors on DEAD AREA Tin Tout Z gt Setpoint WINTER Compressors on Compressors off DEAD AREA Tin Tout p Setpoint Figure 1 7 QUICK MIND adjustment model chiller and heat pump The setpoint remains within a dead area If the temperature also remains within this area no change is made to the number of active compressors When the temperature leaves the dead area following a change in system load the compressors are either activated or deactivated in order to return the temperature to the dead area The amplitude of the neutral zone depends on the dynamic characteristics of the system and in particular on the amount of water it contains and the load The self ad
2. Compressor Unit Adjustment method Water water heat pump Water water chiller e Quick Mind on outlet probe Evaporating units e Quick Mind on inlet probe Water air heat pump e Proportional step on inlet probe Hermetic Water air chiller e Proportional step on inlet probe integral on inlet probe Chiller with heat recovery ea e e Proportional step on inlet probe Heat pump with heat recovery e Proportional step on inlet probe integral on inlet probe Chiller with free cooling Energy Raiser Heat pump with recovery Chiller with heat recover gt Alternative Water water heat pump j x Proportional stepon inier prope Water water chiller e Proportional step on inlet probe integral on inlet probe Evaporating units Water air heat pump Water air chiller Water water heat pump Water water chiller Evaporating units e Modulating on outlet probe Water air heat pump e Proportional step on inlet probe Screw Water air chiller e Proportional step on inlet probe integral on inlet probe Chiller with heat recovery Chiller with freecooling Energy Raiser e Proportional step on inlet probe Heat pump with recovery e Proportional step on inlet probe integral on inlet probe Centrifuge Water water chiller e Proportional on inlet probe integral on outlet probe Water air chiller Table 1 1 adjustment methods available by compressor type The various adjustment methods are described below en ee ETET C0240101 06 07 GB 1 4 1 Propor
3. 10 A An Out master Voltage applied to analogue outputs 1 and 2 N Value Master is only specified on units with 3 or 4 circuits 1 00 0 V 2 00 0 V An Out master Voltage applied to analogue outputs 3 and 4 N Value Master is only specified on units with 3 or 4 circuits 3 00 0 V 4 00 0 V An Out master Voltage applied to analogue outputs 5 and 6 N Value Master is only specified on units with 3 or 4 circuits 5 00 0 V 6 00 0 V a aes TETA C0240101 06 07 GB Masters requ ired Mask indicating the address for the expansion boards This changes depending on the Exp 1 Y Exp 2 N parameter settings Exp 3 Y Exp 4 N Masteris only specified on units with 3 or 4 circuits Exp 5 N Masters on line Mask for checking connection with the expansion boards N means that there is no link with Exp 1 Y Exp 2 N the expansion indicated in the address Exp 3 Y Exp 4 N Master is only specified on units with 3 or 4 circuits Exp 5 N Dig In master expl Displays the state of the digital inputs of expansion 1 if present and specifies their state 12345 67890 12345 C Contact closed CCCCC CCCCC CCCCC A Contact open See Master is only specified on units with 3 or 4 circuits Dig Out master expl Displays the state of the digital outputs of expansion 1 if present and specifies their state 12345 67890 12345 C Contact closed AAAAA AAAAA AAAAA A
4. CLIMAVENE TA W3000 USER MANUAL C0240101 06 07 GB For software versions CA15 Replaces C0240101 01 07 GB CLIMAVENETA S p A Via Sarson 57C 36061 Bassano del Grappa VI ITALY Tel 39 0424 509 500 G B Fax 39 0424 509 509 http www climaveneta it mailto infoQclimaveneta it The information contained in this document may be modified without prior notice No part of this document may be reproduced and or disclosed to third parties or competitors June 2007 C0240101 06 07 GB Contents 1 denn q 3 1 1 MENA O 4 1 2 Switching The unit ON O ici A A a 6 1 3 Setting the operating MOdC spisso caini a a et REF ERERIAX EY KRRRRKRA ER i 8 1 4 Setting adjustment methods eeeeiesesessesesese nasa ae nnn na naa ratur nasa isa ganan g ga ganan ra teda 10 1 4 1 Proportional step adjustment on inlet probe sssssssssseeeemememmememememenennnne 11 1 4 2 Proportional step adjustment on inlet probe integral on inlet probe sssss 13 17453 QUICK mind adj stment 2 iin return me ith nnte a sy ERR Rd ee 4g 14 1 4 4 Modulating adjustment of screw compressors 0oococcccncncocononnnnnnnncnnnnnnanennnnnrnrnrnrnrananencnan 16 1 4 5 Adjustment method for centrifuge compressors cecee cece eee eee nett seat eee eee eeeeeeeeeeeaeas 17 2 ALARMS ii dni T 21 3 TABLE OF MASKS cocococococococnonononononnnnnnnn nn ran nn
5. integral on inlet probe This adjustment method is based on the sum of two components proportional and integral The proportional component generates the percentage demand for activating deactivating the steps as illustrated in the previous paragraph Proportional step adjustment on inlet probe The integral component adds the integral error to the proportional component at regular intervals integral time parameter 55 02 The integral error is calculated according to the following formula Inlet temperature Set point Proportional band Integral error x 100 9o However the integral component is limited integral limit parameter 55 03 to prevent the adjustment from becoming unstable If the inlet temperature varies by 5 or more in one second a rapid change therefore the integral component is not calculated A I Tin E I I I l I I 2 I I I I I I Set point i a i i i es lence es d eee ree eee 100 P band I I I I I I l l l l Example I lu I aa ci dada de io ia E NE 50 2 step unit Band 5 C Integral limit 15 Set point mE i l 0 1 4 I I I I I I 1 I I I I l limit EN i UD 7770770007 dL T I I 1 l Integral 7 VERRE TENE PR TOE EA I limit 4 amp 9 4 4 4 9 Integral Integral Integral Integral Integral time time time time time bod I I I l I I TUNE
6. value expressed in percent HH I Displays compressor 1 operating hours expressed in thousands e g 1 1000 hours LH Displays compressor 1 operating hours expressed in units 50 e g 50 50 hours HH 2 Displays compressor 2 operating hours expressed in thousands e g 1 1000 hours LH 2 Displays compressor 2 operating hours expressed in units 50 e g 50 50 hours SEL Enables compressor 1 p N deselected Y selected 47 05 SEL Enables compressor 2 p N deselected Y selected 47 06 CRI Software release r U03 Software revision nO No alarm active a SAR ETET C0240101 06 07 GB SYMBOLS The following symbols are used in the W3000 and W3000 compact masks Flashing items on main mask Bands Fcool Limit Freeze Description Time bands active Unit in free cooling mode Power limit active demand limit Outlet temperature approaching anti freeze setpoint Unit menu Description symbol Off Unit circuit off Ch nr Chiller circuit not demanded by thermoregulator Ch Chiller circuit demanded by thermoregulator Ch R Chiller circuit plus recovery demanded by thermoregulator Hp nr Heat pump circuit not demanded by thermoregulator Hp Heat pump circuit demanded by thermoregulator R nr Recovery only circuit not demanded by thermoregulator R Recovery only circuit demanded by thermoregulator Pd Circuit in pump down mode Defr Circuit in defrost mode Drip Circuit in drip mode Chiller sym
7. 42 5 9C Access mask to In Out menu Press Up or Down to scroll the other masks and Esc to In Out return to the submenu amp Dig In master Displays the state of the digital inputs and specifies their state 12345 67890 12345 C Contact closed CCCCC CCCES CCeEC A Contact open ccc The number of inputs displayed depends on the type of unit the figures on the second row are for reference purposes Master is only specified on units with 3 or 4 circuits Dig Out master Displays the state of the digital outputs and specifies their state 12345 67890 12345 C Contact closed AAAAA AAAAA ARARA A Contact open BARBA ABARI BABA IThe number of outputs displayed depends on the type of unit the figures on the second row are for reference purposes Master is only specified on units with 3 or 4 circuits An In master Display of analogue inputs 1 and 2 N Value Master is only specified on units with 3 or 4 circuits 1 07 3 bar 2 Lil D An In master Display of analogue inputs 3 and 4 Ed M uc Master is only specified on units with 3 or 4 circuits 4 LaL T An In master Display of analogue inputs 5 and 6 2 e Master is only specified on units with 3 or 4 circuits 6 07 3 bar An In master Display of analogue inputs 7 and 8 N Value Master is only specified on units with 3 or 4 circuits 7 05 2 TO 8 00 0 An In master Display of analogue inputs 9 and 10 N Value Master is only specified on units with 3 or 4 circuits 9 00 09
8. Contact open AR ALLE Master is only specified on units with 3 or 4 circuits An In master expl Displays analogue inputs 1 and 2 of expansion 1 if present N Value Master is only specified on units with 3 or 4 circuits 1 35 6 C 2 40 5 C An In master expl Displays analogue inputs 3 and 4 of expansion 1 if present N Value Master is only specified on units with 3 or 4 circuits 3 MZ 9C 4 34 2x 9c Dig In master exp2 Displays the state of the digital inputs of expansion 2 if present and specifies their state 12345 67890 12345 C Contact closed CCCCC CCCCC CCCCC A Contact open See Master is only specified on units with 3 or 4 circuits Dig Out master exp2 Displays the state of the digital outputs of expansion 2 if present and specifies their state 12345 67890 12345 C Contact closed AAAAA AAAAA AAAAA A Contact open AARAA ARARA ARAR Master is only specified on units with 3 or 4 circuits An In master exp2 Displays analogue inputs 1 and 2 of expansion 2 if present N Value Master is only specified on units with 3 or 4 circuits T 04 2 bar 2 03 9 bar An In master exp2 Displays analogue inputs 3 and 4 of expansion 2 if present N Value Master is only specified on units with 3 or 4 circuits 3 35 06 E 4 40 5 C An In master exp2 Displays analogue inputs 5 and 6 of expansion 2 if present N Value Master is only specified on units with 3 or 4 circuits 5 22 3 9 6 24 2 C An In master exp2 Displays analog
9. 7 err Exp 2 Probe 8 err Exp 3 Probe 1 err Exp 3 Probe 2 err Exp 3 Probe 3 err Exp 3 Probe 4 err Exp 5 Probe 7 err Exp 5 Probe 2 err Exp 5 Probe 3 err Exp 5 Probe 4 err Probe 10 err slave Probe 1 err slave Probe 2 err slave Probe 3 err slave Probe 4 err slave Probe 5 err slave Probe 6 err slave Probe 7 err slave Probe 8 err slave Probe 9 err slave Exp 1 Probe 1 err slave Exp 1 Probe 2 err slave Exp 1 Probe 3 err slave Exp 1 Probe 4 err slave details as above for compressor 2 as above for compressor 3 as above for compressor 4 Compressor 1 bearings faulty only for units with centrifuge compressors as above for compressor 2 as above for compressor 3 as above for compressor 4 Compressor 1 SCH temperature over max only for units with centrifuge compressors as above for compressor 2 as above for compressor 3 as above for compressor 4 Compressor 1 blocked only for units with centrifuge compressors as above for compressor 2 as above for compressor 3 as above for compressor 4 Probe 10 error Values read by probe 10 out ot range analogue as above analogue as above analogue as above analogue as above analogue as above analogue as above analogue as above analogue as above analogue as above Probe 1 expansion 1 fault analogue as above analogue as above analogue as above analogue as above analogue as above analogue as above analogue a
10. Access the setpoint menu and display the Operating mode parameter Move to the Operating mode parameter by pressing Enter and modify the parameter by pressing Up or Down Press Enter again to confirm If the set message continues to be displayed it means that operating mode has been changed In the W3000 base the key sequence is switch off the unit using the ON OFF key press the setpoint key select MODE with the UP or DOWN keys press Enter press Enter At this point the cursor flashes Press the UP or DOWN keys to select either ch chiller or hp heat pump Press Enter to confirm Using the digital input Only for heat pump units and only if the digital input is present Check that the Chiller Hp enable from digital input parameter in the user menu is set to Yes When the contact is open the unit is in the heat pump mode when the contact is closed the unit is in the chiller mode Switching the digital input switches the unit off changes the operating mode and switches the unit on again In the W3000 base access the user menu select DI S by pressing the UP or DOWN key press Enter to view the current setting press Enter to see the current setting flashing and change it using the UP or DOWN key press Enter to confirm the new setting en ee C0240101 06 07 GB Using the recovery from digital input command Only f
11. Antifreeze pre alarm evaporator 4 Low pressure in circuit 1 pre alarm Low pressure in circuit 2 pre alarm Low pressure in circuit 3 pre alarm Low pressure in circuit 4 pre alarm High pressure in circuit 1 pre alarm High pressure in circuit 2 pre alarm High pressure in circuit 3 pre alarm High pressure in circuit 4 pre alarm Key to RESET column details analogue as above analogue as above analogue as above analogue as above analogue as above analogue as above analogue as above analogue as above analogue as above analogue as above analogue as above analogue as above analogue as above analogue as above analogue as above analogue as above Low water temperature at evaporator outlet pre alarm Also specifies which evaporator if more than one is involved in the alarm condition as above for evaporator 2 as above for evaporator 3 as above for evaporator 4 Low pressure acquired from circuit 1 transducer pre alarm as above for circuit 2 as above for circuit 3 as above for circuit 4 High pressure acquired from circuit 1 transducer pre alarm as above for circuit 2 as above for circuit 3 as above for circuit 4 RESET DNDN N NNN ND NNN o mnm2252m0 22525252 5 252 n 25252 55 2 Manual reset alarm if the condition that generated the alarm is eliminated the alarm must be Automatic reset alarm if the condition that generated the alarm is elim
12. Esc Sepa serpent Esc 1 Setpointmenu T J Esc i View setpoint Y Tit T e Esc M Select O menu 4 Esc 4 gt VO menu Til Esc J View menu Y Tit IE Fse A Select clock men Esc Clock menu TIL Esc 1 View clock Y Tit x Esc Select Esc 1 gt Log menu TIL Esc Io View log log menu y A Tit e Esc P Select la Esc p Userpassword 4 User menu Tid Esc i View user ser menu n A A Tid Esc Select assistance Assistance e Esc ment 4 Esc I password Assistance menu T y Esc p View assistance A A Tid Esc Select A M Esc manufacturer 4 Esc i Manufacturer 1 Manufacturer TIL Esc 1 View manufacturer password menu menu fi ji Esc Figure 1 1 menu tree for W3000 W3000 compact Power On 3 Menu key ae Alarm key gt Thermoregulator 1 1 Esc 1 View Thermoreg 4 e Esc Als Alarm menu I4 4 Esc i View Alarm Tl vov A Unit menu ay i 4 Esc f i Esc 4 gt Unit menu IL Esc gt View unit selection Y A 1 r sf i e Esc Setpoint menu e Esc gt Setpoint menu I lt lt Esc View setpoint selection Y A 1 y 4 e Esc PIO menu selection Esc 4 VO menu I4 4 Esc gt View I O Y Ly 1 Clock menu T 1 e Esc AN i e Esc gt Clock menu IL 4 Esc bp View c
13. Reference is made to the following figure 21 8 20 0 18 0 168 0 14 0 120 z i iz 10 0 1 1 I I I LU LU 1 1 L I 1 200 300 400 500 600 700 800 900 1000 1100 1200 1300 1384 Time Fase di avviamento controllato Controlled start up phase Adattamento zona neutra Adaptation to dead area Temperatura uscita evaporatore Evaporator outlet temperature Temperatura ingresso evaporatore Evaporator inlet temperature 1 compressore attivo 1 compressor active 2 compressori attivi 2 compressors active Figure 1 8 example of real data with quick mind outlet adjustment x axis time in s y axis Tout in C This is an example of start up with a very high initial temperature compared with the setpoint 79C About 10 seconds after data acquisition began one compressor switches on The second compressor does not switch on immediately as the algorithm which handles start up checks if one compressor is enough to return delivery temperature to the setpoint and avoid unnecessary start ups As the delivery temperature is still at 12 C after about 200 seconds the second compressor is also switched on otherwise it would take too long to reach setpoint Following the controlled starting phase the delivery temperature falls until it enters the dead area The algorithm at t 350 s begins to adapt the amplitude of the dead area in order to respect compressor safety times As can be seen the dead area is later reduced t 780 s 9
14. W3000 base Mask Description Par n level1 level2 level3 DEF Main display mask Indicates the state of the unit ON OFF NDJE The submask displays the operating mode of the unit CH CH Chiller HP Heat Pump St The submask displays the operating status of the unit On H ON K on from keypad ON D on from digital input ON B on from time bands ON S on from supervisor OFFA off from alarm OFFS off from supervisor OFFB off from time bands OFFD off from digital input OFFK off from keypad OFF off rEg The submask displays the percentage of power requested by the thermoregulator 50 value ranging from 0 to 100 ACE The submask displays the percentage of power delivered by the thermoregulator 50 value ranging from 0 to 100 PunP The submask displays the time remaining before the pump is switched on off BU If the time decreases the unit is in the switching on off phase The time is expressed in Seconds EUln The submask displays the inlet temperature of the evaporator le s temperature expressed in degrees centigrade EVO The submask displays the outlet temperature of evaporator 1 07 2 temperature expressed in degrees centigrade EUD If 2 evaporators are present The submask displays the outlet temperature of evaporator 2 05 3 tempe
15. connection with the slave expansion boards N means that there is no link Exp 1 Y Exp 2 N with the expansion indicated in the address Exp 3 Y Exp 4 N Exp 5 N Dig In slave expl Displays the state of the digital inputs of expansion 1 if present and specifies their state 12345 67890 12345 CCCCC CCCCC CCCCC CCC C Contact closed A Contact open a UNES C0240101 06 07 GB Dig Out slave expl Displays the state of the digital outputs of expansion 1 if present and specifies their state 12345 67890 12345 C Contact closed AAAAA AAAAA AAAAA A Contact open AAAAA AAAAA AAAA An In slave expl Displays analogue inputs 1 and 2 of expansion 1 if present N Value 1 35 6 C 2 40 5 C An In slave expl Displays analogue inputs 3 and 4 of expansion 1 if present N Value 3 3422 9C 4 32 2 96 Dig In slave exp2 Displays the state of the digital inputs of expansion 2 if present and specifies their state 12345 67890 12345 C Contact closed GCCCC CCCOC CCCGC A Contact open CCC Dig Out slave exp2 Displays the state of the digital outputs of expansion 2 if present and specifies their state 12345 67890 12345 C Contact closed BARAR ARARA PARAR A Contact open AAAAA AAAAA AAAA An In slave exp2 Displays analogue inputs 1 and 2 of expansion 2 if present N Value i 04 2 bar 2 03 9 bar An In slave exp2 Displays ana
16. lt Y I 1 l I I I Z 1 I l I S I I I I I l I PE I I I 1 5 I l I 1 f XR scan DU pcr qo E IP Weg yee gt agg Wc pv T UT I I 1 I I I I T 1 I l I Do l I I l I I PE 1 I I 2s T t d 4 r t4 4 4 L 4 1 l 1 1 1 I xcci o a pops sos WA 5 qa A oe po E ei 1 I I I I I I I I l I 1 I l I I I 1 I I 1 I 1 I I f I I I I I I 1 I 1 I I I I f I l I 1 I I 1 I 1 ad 1 ab lt yo Om Cc c yo c Yoon c dm 2 cx c RROU YR c 8 8 EI 0 FX c gt Q G o El y ES F 9t t 855 a HSB o t3 a cop Eo D OE y a 2 E y uo SEE E o S 0 gy E ao q5 S CLIMAVENETA 20 Figure 1 14 Adjustment for a single compressor unit integral contribution C0240101 06 07 GB 2 ALARMS Press the ALARM key once to enter the alarms menu and view the alarm message along with its code If there is more than one alarm scroll the menu using the UP and DOWN keys In the W3000 base NO A is displayed if there is no alarm otherwise the alarm code appears Press any other key to exit from this menu To reset the alarm press the ALARM key again and hold it down until the message No Alarm Active for W3000 or W3000 compact or No A for W3000 base appears If the message does not appear it means that
17. one or more alarm conditions are still active Alarms table ALARM 002 003 005 006 010 014 017 021 022 045 046 051 052 061 062 063 064 075 076 081 DESCRIPTION Phase sequence Voltage out of range Evaporator flow switch Low inlet temperature High inlet temperature Evaporator antifreeze Insufficient system pressure Low external air temperature Low water charge Low water flow Condenser flow switch Recuperator flow switch Pump 1 maintenance Pump 2 maintenance Subcooling driver 1 offline Subcooling driver 2 offline Subcooling driver 3 offline Subcooling driver 4 offline Condenser antifreeze Recuperator antifreeze Pump 1 thermal switch details Faulty phase connection Totally shuts down the unit only displayed if the input that detects it is fitted No flow to evaporator The alarms automatically resets 3 times in the same hour if flow is restored within the maximum operating time of the pumps with a small amount of water P23 34 otherwise it must be reset manually Enabled only in the heat pump mode Low water temperature at evaporator inlet Enabled only in the chiller mode High water temperature at evaporator inlet Low water temperature at evaporator outlet Also specifies except for W3000 base which evaporator if more than one is involved in the alarm condition Only displayed if the relative input is present see VO menu Un
18. set to inlet The submask is used to set the heat pump setpoint with inlet adjustment expressed in degrees centigrade 43 04 If the FLOW parameter in the user menu is set to outlet The submask is used to set the heat pump setpoint with outlet adjustment expressed in degrees centigrade 43 06 Unit Unit menu EUIn Displays evaporator inlet temperature EUL Displays evaporator 1 outlet temperature EUUe If evaporator 2 is present Displays evaporator 2 outlet temperature Edin In water water units if the condenser inlet probe is enabled Displays condenser inlet temperature Cat In water water units if the condenser outlet probe is enabled Displays condenser outlet temperature Cd0e2 In water water units with two condensers if the condenser 2 outlet probe is enabled Displays condenser 2 outlet temperature EHE In water air units if the external air temperature probe is enabled Displays external temperature zm So C0240101 06 07 GB OPE In water air units if the operational temperature probe is enabled Displays optional temperature HP 1 Displays circuit 1 high pressure 0 high pressure value HP2 Displays circuit 2 high pressure 0 high pressure value Ag 3 Displays value of analogue output 3 value expressed in percent Ag Y Displays value of analogue output 4
19. unit supervisor address Symbols describing unit status also appear see table at the end of this manual Temp Req Act Shows the request of the controller and the operating percentage of the thermoregulator Cool 042 050 cool heat and recovery if possible Rec 040 050 Also shows the pump time remaining during switching on and off Pump time 010s Temp n Out Shows the inlet and outlet water temperature evaporator recuperator and condenser are Evap 12 5 07 0 C only displayed if they are fitted Rec 35 6 40 5 C Cond 38 0 42 5 C Temp In Out if 2 evaporators are fitted Displays inlet and outlet temperatures of the evaporator on Evap 12 5 07 0 C condenser depending on whether the unit is in the chiller or heat pump mode and the outlet Evapl 07 2 C temperature of the two evaporators Evap2 06 9 C Temp In Out if 2 condensers are fitted Displays inlet and outlet temperatures of the evaporator or Cond 24 3 22 4 C condenser depending on whether the unit is in the chiller or heat pump mode and the outlet Cond 1 22 3 C temperature of the two condensers Cond 2 22 4 C Temp for water air units Displays freecooling temperature in chiller freecooling units external air Freecooling 12 3 C temperature and optional temperature if the probes are enabled External air 15 4 C Optional 19 69 C Access mask to user menu Enter the user password for access Usen Password 0000 Access mask to user menu Press Up or
20. user menu is set to Yes e SWITCHING ON set the required switching on time in the clock menu The unit switches on when the set time is reached The On from time bands message appears in the main mask to show that the unit has been switched on N B The unit does not switch on if it is set to Off from keypad or Off from digital input e SWITCHING OFF set the required switching off time in the clock menu The unit switches off when the set time is reached The Off from time bands message appears in the main mask to show that the unit has been switched off Using the supervision protocol Only if the serial board is fitted Check that the Supervisor enable and On Off enable from supervisor parameters in the user menu are set to Yes Proceed as follows e SWITCHING ON Send the switching on command from the protocol The On from supervisor message appears in the main mask to show that the unit has been switched on N B The unit does not switch on if it is set to Off from keypad or Off from digital input e SWITCHING OFF Send the switching off command from the protocol The Off from supervisor message appears in the main mask to show that the unit has been switched off In the W3000 base the following procedure is used press MENU select the User menu using the UP or DOWN keys press ENTER to access the menu press enter to type in the password press UP or DOWN to choose the password
21. 0 C 902 34 902 35 902 36 Time band 7B Off Setting band B seventh daily time band 902 37 Time 19 30 19 30 902 38 Sp S 09 0 C W 40 0 C 902 39 Sp R 40 0 C 902 40 902 41 902 42 Time band 8B Off Setting band B eighth daily time band 902 43 Time 19 30 19 30 902 44 Sp S 09 0 C W 40 0 C 902 45 Sp R 40 0 C 902 46 902 47 902 48 CLIMAVENETA 34 C0240101 06 07 GB Time band 9B Off Setting band B ninth daily time band 902 49 Time 19 30 19 30 902 50 Sp S 09 0 C W 40 0 C 902 51 Sp R 40 0 C 902 52 902 53 902 54 Time band 10B Off Setting band B tenth daily time band 902 55 Time 19 30 19 30 902 56 Sp S 09 0 C W 40 0 C 902 57 Sp R 40 0 C 902 58 Time band 1C Off Setting band C first daily time band 903 01 Time 00 00 06 30 903 02 Sp S 09 0 C W 40 0 903 03 Sp R 40 0 C 903 04 903 05 903 06 Time band 2C Off Setting band C second daily time band 903 07 Time 00 00 06 30 903 08 Sp S 09 0 C W 40 0 C 903 09 Sp R 40 0 C 903 10 903 11 903 12 Time band 3C Adj Setting band C third daily time band 903 13 Time 06 30 19 30 903 14 Sp S 07 0 C W 45 0 C 903 15 Sp R 45 0 C 903 16 903 17 903 18 Time band 4C Off Setting band C fourth daily time band 903 19 Time 19 30 19 30 903 20 Sp S 09 0 C W 40 0 C 903 21 Sp R 40 0 C 903 22 903 23 903 24 Time band 5C Off Setting band C fifth daily time band 903 25 Time 19 30 19 30 903 26 Sp S 09 0 C W 4
22. 0 0 C 903 27 Sp R 40 0 C 903 28 903 29 903 30 Time band 6C Off Setting band C sixth daily time band 903 31 Time 19 30 19 30 903 32 Sp S 09 0 C W 40 0 C 903 33 Sp R 40 0 C 903 34 903 35 903 36 Time band 7C Off Setting band C seventh daily time band 903 37 Time 19 30 19 30 903 38 Sp S 09 0 C W 40 0 903 39 Sp R 40 0 C 903 40 903 41 903 42 Time band 8C Off Setting band C eighth daily time band 903 43 Time 19 30 19 30 903 44 Sp S 09 0 C W 40 0 C 903 45 Sp R 40 0 C 903 46 903 47 903 48 Time band 9C Off Setting band C ninth daily time band 903 49 Time 19 30 19 30 903 50 Sp S 09 0 C W 40 0 C 903 51 Sp R 40 0 C 903 52 903 53 903 54 Time band 10C Off Setting band C tenth daily time band 903 55 Time 19 30 19 30 903 56 Sp S 09 0 C W 40 0 C 903 57 Sp R 40 0 C 903 58 Time band 1D Off Setting band D first daily time band 904 01 Time 00 00 06 30 904 02 Sp S 09 0 C W 40 0 C 904 03 Sp R 40 0 C 904 04 904 05 904 06 en ass VANES C0240101 06 07 GB Time band 2D Off Setting band D second daily time band 904 07 Time 00 00 06 30 904 08 Sp S 09 0 C W 40 0 C 904 09 Sp R 40 0 C 904 10 904 11 904 12 Time band 3D Adj Setting band D third daily time band 904 13 Time 06 30 19 30 904 14 Sp S 07 0 C W 45 0 C 904 15 Sp R 45 0 C 904 16 904 17 904 18 Time band 4D Off Setting band D fourth daily time band 904 19 Time 19 30 19 30 904 20 Sp S
23. 09 0 C W 40 0 C 904 21 Sp R 40 0 C 904 22 904 23 904 24 Time band 5D Off Setting band D fifth daily time band 904 25 Time 19 30 19 30 904 26 Sp S 09 0 C W 40 0 C 904 27 Sp R 40 0 C 904 28 904 29 904 30 Time band 6D Off Setting band D sixth daily time band 904 31 Time 19 30 19 30 904 32 Sp S 09 0 C W 40 0 C 904 33 Sp R 40 0 C 904 34 904 35 904 36 Time band 7D Off Setting band D seventh daily time band 904 37 Time 19 30 19 30 904 38 Sp S 09 0 C W 40 0 C 904 39 Sp R 40 0 C 904 40 904 41 904 42 Time band 8D Off Setting band D eighth daily time band 904 43 Time 19 30 19 30 904 44 Sp S 09 0 C W 40 0 C 904 45 Sp R 40 0 C 904 46 904 47 904 48 Time band 9D Off Setting band D ninth daily time band 904 49 Time 19 30 19 30 904 50 Sp S 09 0 C W 40 0 C 904 51 Sp R 40 0 C 904 52 904 53 904 54 Time band 10D Off Setting band D tenth daily time band 904 55 Time 19 30 19 30 904 56 Sp S 09 0 C W 40 0 C 904 57 Sp R 40 0 C 904 58 Access mask to Alarms Log menu Press Up or Down to scroll the other masks and Lo g Esc to return to the submenu 10 36 04 20 12 06 Access mask to alarms log only visible if the clock card is installed Each alarm registered Event N 001 A002 S Phase sequence contains the following details date and time alarm or report code activation or deactivation event S set R reset event number alarm description zm SEUN ENET C0240101 06 07 GB 4 TABLE OF MASKS
24. 1 212 213 214 221 DESCRIPTION Pump 2 thermal switch Condenser pump thermal switch Recuperator pump thermal protection Glycol pump thermal switch Slave no link Expansion 1 no link Expansion 2 no link Expansion 3 no link Expansion 4 no link Expansion 5 no link Expansion 1 slave no link Expansion 2 slave no link Expansion 3 slave no link Expansion 4 slave no link Expansion 5 slave no link Compressor 1 oil Compressor 2 oil Compressor 3 oil Compressor 4 oil High outlet temperature compressor 1 High outlet temperature compressor 2 High outlet temperature compressor 3 High outlet temperature compressor 4 Compressor 1 fault Compressor 2 fault Compressor 3 fault Compressor 4 fault Compressor 1 offline Compressor 2 offline Compressor 3 offline Compressor 4 offline Compressor 1 maintenance Compressor 2 maintenance Compressor 3 maintenance Compressor 4 maintenance Compressor 1 start up timeout Compressor 2 start up timeout Compressor 3 start up timeout Compressor 4 start up timeout Compressor 1 start up limit Compressor 2 start up limit Compressor 3 start up limit Compressor 4 start up limit Circuit 1 high pressure Circuit 2 high pressure Circuit 3 high pressure Circuit 4 high pressure Circuit 1 fan thermal protection details Pump 2 overheated in units with more than one pump Condenser pump water water units with freon reversal Recuperator pump overheated Glycol pump overheated in unit
25. 4 if present N Value 1 A 2 A An In slave exp4 Displays analogue inputs 3 and 4 of expansion 4 if present N Value 3 A 4 A Dig In slave exp5 Displays the state of the digital inputs of expansion 5 if present and specifies their state 12345 67890 12345 C Contact closed NAE Seas Gere A Contact open Dig Out slave exp5 Displays the state of the digital outputs of expansion 5 if present and specifies their state 12345 67890 12345 C Contact closed AAAAA AAAAA AAAAA A Contact open AAAAA AAAAA AAAA a aa VENETI C0240101 06 07 GB An In slave exp5 Displays analogue inputs 1 and 2 of expansion 5 if present N Value 1 0020 96 2 00 0 C An In slave exp5 Displays analogue inputs 3 and 4 of expansion 5 if present N Value 3 00 20 4 00 0 Access mask to clock menu Press Up or Down to scroll the other masks and Esc to 3 F O ck return to the submenu y Clock board not installed Mask showing that the clock card is missing or damaged Clock configuration Date Time 01 01 04 08 00 Current date and time settings Time bands not enabled See user menu Indicates that the time bands are set correctly but not enabled To enable them consult the user menu Daily time band Advanced time band programming manages four different daily time bands type A and type900 01 programming B each type can be personal
26. 50 s to the absolute minimum amplitude which allows safety times to be respected It can also be seen that the compressors are zm MMC RUM C0240101 06 07 GB activated and deactivated when the outlet temperature reaches the upper or lower limits of the dead area The example shows that outlet temperature varies by about 3 5 C during regular operation 1 4 4 Modulating adjustment of screw compressors With screw compressors modulating adjustment is performed on the outlet probe Modulating adjustment is only available on Bitzer screw compressors Reference is made to the figure to the left The setpoint remains within a dead area If the temperature also remains within this zone no change is made to the number of active compressors or their load percentages position of modulating chamber When the temperature rises above zone B following a change in the system load the compressors are activated in order to return the temperature to the dead area Inside zone B if the outlet temperature derivative is positive compressor power is increased in order to return the temperature to the dead area ZN The Figure 1 9 modulating adjustment for screw compressors further away the temperature is from the set point the greater the increase is B increase When the temperature falls below zone C following a change in the system load the compressors are either deactivated in order to return the temperature to the dead area In
27. Act activation the rpm and the percentage delivered 082 32450rpm CR 02 82 Displays other data relative to the centrifuge compressors such as outlet temperature and outlet temp 78 5 C inlet pressure lp 03 9bar Comp 2 Work Displays the operating status of the centrifuge compressors the request and effective Req 075 lt lt 080 Act activation the rpm and the percentage delivered 080 29500rpm CR 02 84 Displays other data relative to the centrifuge compressors such as outlet temperature and outlet temp 78 5 C inlet pressure lp 03 9bar Comp 3 Work Displays the operating status of the centrifuge compressors the request and effective Req 076 lt lt 082 Act activation the rpm and the percentage delivered 082 33600rpm CR 02 86 Displays other data relative to the centrifuge compressors such as outlet temperature and outlet temp 78 5 C inlet pressure lp 03 9bar Comp 4 Work Displays the operating status of the centrifuge compressors the request and effective Req 078 lt lt 081 Act activation the rpm and the percentage delivered 081 30250rpm CR 02 83 Displays other data relative to the centrifuge compressors such as outlet temperature and outlet temp 78 5 C inlet pressure lp 03 9bar E 5 Displays the subcooling value of circuits the status of the electronic thermostat valve drivers subc 03 8 03 6 and the number of valve aperture steps st Off Off step 0000 0000 Enable Selects deselects circuits 47 01 circuits 47 02 Crrocl g
28. Down to scroll the other masks and Esc to User return to the submenu i Adjustment type Chooses between proportional step adjustment Quick Mind adjustment and modulatingj39 01 prop step adjustment for screw compressors Also defines on which temperature probe the adjustment 39 01 is made If the unit has more than one evaporator or step adjustment is set adjustment can39 02 CHSTHDEE only be made on the inlet probe Time bands Activates deactivates time bands The time bands cannot be activated if the external setpoint39 41 enable is enabled Disabled Serial line Allows the devices connected to the serial interface card to be enabled and selected 39 42 configuration 0 disabled 1 supervision 2 sequencer 3 Manager 3000 N B the Service Disabled software does not need to be enabled Enable from Superv Allows the on off status of the unit to be selected from a supervision system Also performs 39 43 On Off N operating mode switching to modify the latter the unit must be switched off 39 44 Operating mode N Serial settings for Defines the connection parameters with the supervisor protocol type communication speed89 45 Modbus protocol and unit identification number 39 46 Speed 9600 baud 39 47 ID 011 Language selection Selects the required language Select language flashes on the last line in all the available39 48 English languages Once a language has been selected the programme automatically switches to the first mask
29. and ENTER to confirm use the UP or DOWN keys to choose the SPr Enable from supervisor mask press ENTER to view the current setting press ENTER to see the display flashing press UP or DOWN to modify the setting and press ENTER to confirm SMS C0240101 06 07 GB 1 3 Setting the operating mode AN Caution Do not switch from chiller to heat pump unless the inlet temperature is above 15 C Do not switch from heat pump to chiller unless the inlet water temperature is below 30 C There are various ways of setting the operating mode of the unit The set operating mode may be any one of the following as long as they are compatible with the unit Operating mode Description W3000 base chiller ch Chiller chiller rec Chiller plus recovery heatpump hp Heat pump summer ch Chiller in summer mode summer ch rec Chiller plus recovery in summer mode summer rec Recovery in summer mode recovery Recovery only summer auto Automatic in summer mode winter hp Heat pump in winter mode winter rec Recovery in winter mode winter auto Automatic in winter mode auto Automatic The following procedures have a priority in the event of conflicts between opposing settings the following priorities apply highest priority change through parameter chiller heat pump from digital input ch ch rec from digital input lowest priority change through protocol Using the parameter Make sure the unit is Off
30. apting algorithm is able to measure system dynamics and calculate the minimum dead area in order to respect compressor activation times and the maximum number of start ups per hour Both return and delivery temperatures can be adjusted Special functions are also present which reduce the number of compressor start ups in the event of very low loads or start ups of units with significantly higher or lower temperatures than the setpoint en as v EET C0240101 06 07 GB 2 compressors with maximum permitted number of start ups per hour 8 Litres kW 10 5 9 5 8 5 7 5 6 5 5 5 4 5 3 5 2 5 ATout 3 2 3 2 3 4 3 4 3 6 3 8 4 0 4 4 5 2 2 compressors with maximum permitted number of start ups per hour 12 Litres kW 10 5 9 5 8 5 7 5 6 5 5 5 4 5 3 5 2 5 ATout 3 0 3 0 3 0 3 2 3 2 3 4 3 6 3 8 4 3 4 compressors with maximum permitted number of start ups per hour 8 Litres kW 10 5 9 5 8 5 7 5 6 5 5 5 4 5 3 5 2 5 A Tout 1 8 1 8 1 8 1 8 1 8 1 9 2 0 2 3 2 7 4 compressors with maximum permitted number of start ups per hour 12 Litres kW 10 5 9 5 8 5 7 5 6 5 5 5 4 5 3 5 2 5 A Tout 1 8 1 8 1 8 1 8 1 8 1 9 2 0 2 3 2 7 Table 1 4 maximum theoretical delivery temperature range at constant part load depending on the quantity of water contained in the system An example of real data acquired during operation with the Quick Mind adjuster on the delivery side is shown below
31. bol Description chiller Chiller Chiller freecooling symbol chiller chiller fc Chiller recovery symbol chiller chiller rec Heat pump symbol chiller heat pump All in one symbol auto recovery chiller rec chiller Heat pump with recovery symbol summer auto summer rec summer ch rec summer ch winter hp winter rec winter auto ll Description Chiller Chiller plus freecooling Description Chiller Chiller plus recovery Description Chiller Heat pump Description Automatic Recovery Chiller plus recovery Chiller Description Summer automatic Summer recovery Summer chiller plus recovery Summer chiller Winter heat pump Winter recovery Winter automatic CLIMAVENETA 40
32. bove for circuit 2 as above for circuit 3 as above for circuit 4 Possible Freon leakage in circuit 1 as the Start up timeout alarm has continued for at least 8 hours as above for circuit 2 as above for circuit 3 as above for circuit 4 Circuit 1 condensation coil obstructed as above for circuit 2 as above for circuit 3 as above for circuit 4 There may not be any freon in circuit 1 as the evaporation pressure has fallen below the set point as above for circuit 2 as above for circuit 3 as above for circuit 4 Compressor 1 inverter overheated as above for compressor 2 as above for compressor 3 as above for compressor 4 Compressor 1 discharge overtemperature only for units with centrifuge compressors as above for compressor 2 as above for compressor 3 as above for compressor 4 Compressor 1 suction pressure under min only for units with centrifuge compressors as above for compressor 2 as above for compressor 3 as above for compressor 4 Compressor 1 compression pressure over max only for units with centrifuge compressors as above for compressor 2 as above for compressor 3 as above for compressor 4 Compressor 1 current input over max only for units with centrifuge compressors as above for compressor 2 as above for compressor 3 as above for compressor 4 Compressor 1 rotor temperature over max only for units with centrifug
33. cifies their state 12345 67890 12345 C Contact closed AAAAA AAAAA AAAAA A Contact open AAAAA AAAAA AAAA Master is only specified on units with 3 or 4 circuits a sa SETET C0240101 06 07 GB An In master exp4 Displays analogue inputs 1 and 2 of expansion 4 if present N Value Master is only specified on units with 3 or 4 circuits 1 A 2 A An In master exp4 Displays analogue inputs 3 and 4 of expansion 4 if present E Value Master is only specified on units with 3 or 4 circuits A 4 A Dig In master exp5 Displays the state of the digital inputs of expansion 5 if present and specifies their state 12345 67890 12345 CCCCC CCCCC CCCCC ccc C Contact closed A Contact open Master is only specified on units with 3 or 4 circuits Dig Out master exp5 12345 67890 12345 AAAAA AAAAA AAAAA AAAAA AAAAA AAAA Displays the state of the digital outputs of expansion 5 if present and specifies their state C Contact closed A Contact open Master is only specified on units with 3 or 4 circuits An In master exp5 Displays analogue inputs 1 and 2 of expansion 5 if present ues Master is only specified on units with 3 or 4 circuits 2 00 0 6c An In master exp5 Displays analogue inputs 3 and 4 of expansion 5 if present N Value Master is only specified on units with 3 or 4 circuits 3 000 726 4 00 0 C Dig In slave Displays the state of the digital inputs and sp
34. defrost algorithm Time 02700 02700 s Timer tuning defrost Circ3 Circ4 Displays the defrost delay calculated by the timer tuning defrost algorithm Time 02700 02700 s Timer tuning defrost Circl Circ2 Displays the free defrost enable time and the maximum time calculated according to the Time 0188 0125 s __ length ofthe delay Max 0290 0270 s Free Defrost Circ3 Circ4 Displays the free defrost enable time and the maximum time calculated according to the Time 0188 0125 s __ length ofthe delay Max 0290 0270 s Free Defrost Circl Circ2 Displays the defrosting status of circuits 1 and 2 the delay before defrosting starts and the defr N N time taken to defrost T del 0904 0000 s T def 0000 0028 s Circ3 Circ4 Displays the defrosting status of circuits 3 and 4 the delay before defrosting starts and the defr N N time taken to defrost T del 0904 0000 s T def 0000 0028 s Discharge temp Displays the discharge temperature if probes are present of compressors 1 and 2 Comp 1 05 39C Comp 2 098 4 C Discharge temp Comp 3 Comp 4 00 33 76 098 4 C Displays the discharge temperature if probes are present of compressors 3 and 4 Analogue outputs Conden Conden s adj s adj 1 00 2 00 oe 0 0 oe Displays analogue outputs 1 and 2 Shows the percentage of demand of the devices connected to it for non linear devices correspondence with supplied voltage V does not apply Compares Cond 1 2 adj with single
35. dures for starting or stopping the unit using the user interface keys or selecting from the display The following procedures have a priority In the event of conflicts between different settings the following priorities apply highest priority on off from keypad on off from parameter on off from digital input on off from time bands lowest priority on off from protocol Using the ON OFF key For W3000 and W3000 base Proceed as follows e SWITCHING ON press the ON OFF key e SWITCHING OFF press the ON OFF key In the W3000 the message Com ON appears on the display In the W3000 base the message On appears on the display with the LED on or OFF with the LED off Using the On Off parameter For W3000 and W3000 compact The Com On Off parameter can be displayed on the user interface Off means that the unit is switched off while On means that the unit is switched on Proceed as follows e SWITCHING ON Move to the On Off parameter by pressing Enter and then press Up or Down until On appears Press Enter again to confirm If On continues to be displayed it means that the unit has been switched on e SWITCHING OFF Move to the On Off parameter and change to Off using the same procedure used to switch the unit on Press Enter again to confirm If Off continues to be displayed it means that the unit has been switched on Using t
36. e Green compressor is demanded Red The compressor is blocked by a compressor or circuit alarm oe Green The compressor is in the chiller mode t Green The circuit is in the freecooling mode Xt Green The compressor is in the heat pump mode X Green If the LED shines steady the circuit is in the recovery mode if it flashes z there is a recovery alarm Green If the LED shines steady the circuit is in the defrost mode if it flashes it e e gt l is in the drip mode zm DNUS C0240101 06 07 GB 1 1 Menu structure The tree structures for moving around the various menus are shown below Power On Menu key Setpoint 7 ES Alarm key N i View gt Thermoregulator 1 1 lt Esc i thermoregulator A je Esc Alarm menu T l Esc View alarm M po A TA Select unit menu n 4 e Esc a Esc 1 Unit menu TIL Esc gt View unit A y Tit 1 4
37. e compressors as above for compressor 2 as above for compressor 3 as above for compressor 4 Compressor 1 compression ratio over max only for units with centrifuge compressors zm rcr VENETI RESET ggz E a E gt r gt gt gt gt gt ZZZ Z 2225 2222 Secs S33 2535 Z 222 Zee Z 21212 vow www SSs m 222 Zee C0240101 06 07 GB ALARM 362 363 364 371 372 373 374 381 382 383 384 391 392 393 394 400 401 402 403 404 405 406 407 408 409 411 412 413 414 421 422 423 424 425 426 427 428 431 432 433 434 451 452 453 454 500 501 502 503 504 505 506 507 508 509 511 512 513 514 DESCRIPTION Compressor 2 compression ratio Compressor 3 compression ratio Compressor 4 compression ratio Compressor 1 bearings Compressor 2 bearings Compressor 3 bearings Compressor 4 bearings Compressor 1 SCR temperature Compressor 2 SCR temperature Compressor 3 SCR temperature Compressor 4 SCR temperature Compressor 1 rotor block Compressor 2 rotor block Compressor 3 rotor block Compressor 4 rotor block Probe 10 err Probe 1 err Probe 2 err Probe 3 err Probe 4 err Probe 5 err Probe 6 err Probe 7 err Probe 8 err Probe 9 err Exp 1 Probe 1 err Exp 1 Probe 2 err Exp 1 Probe 3 err Exp 1 Probe 4 err Exp 2 Probe 1 err Exp 2 Probe 2 err Exp 2 Probe 3 err Exp 2 Probe 4 err Exp 2 Probe 5 err Exp 2 Probe 6 err Exp 2 Probe
38. ecifies their state 12345 67890 12345 CCCCC CCCCC CCCCC cce C Contact closed A Contact open The number of inputs displayed depends on the type of unit the figures on the second row are for reference purposes Dig Out slave 12345 67890 12345 AAAAA AAAAA AAAAA AAAAA AAAAA AAAA Displays the state of the digital outputs and specifies their state C Contact closed A Contact open The number of outputs displayed depends on the type of unit the figures on the second row are for reference purposes An In slave Display of analogue inputs 1 and 2 N Value 1 07 3 bar 2 12 3 5C An In slave Display of analogue inputs 3 and 4 N Value 3 12 23 026 4 12 3 9C An In slave Display of analogue inputs 5 and 6 N Value 5 12 53 96 6 07 3 bar An In slave Display of analogue inputs 7 and 8 N Value 7 05 3 C 8 00 0 An In slave Display of analogue inputs 9 and 10 N Value 9 00 0 C 10 A An Out slave Voltage applied to analogue outputs 1 and 2 N Value 1 00 0 V 2 00 0 V An Out slave Voltage applied to analogue outputs 3 and 4 N Value 3 00 0 V 4 00 0 V An Out slave Voltage applied to analogue outputs 5 and 6 N Value 5 00 0 V 6 00 0 V Slaves required Exp 1 Y Exp 2 N Exp 3 Y Exp 4 N Exp 5 N Mask indicating the address for the slave expansion boards This changes depending on the parameter settings Slaves on line Mask for checking
39. h daily time band 901 37 Time 19 30 19 30 901 38 Sp S 08 0 C W 40 0 C 901 39 Sp R 40 0 C 901 40 901 41 901 42 Time band 8A Off Setting band A eighth daily time band 901 43 Time 19 30 19 30 901 44 Sp S 08 0 C W 40 0 C 901 45 Sp R 40 0 C 901 46 901 47 901 48 Time band 9A Off Setting band A ninth daily time band 901 49 Time 19 30 19 30 901 50 Sp S 08 0 C W 40 0 C 901 51 Sp R 40 0 C 901 52 901 53 901 54 Time band 10A Off Setting band A tenth daily time band 901 55 Time 19 30 19 30 901 56 Sp S 08 0 C W 40 0 C 901 57 Sp R 40 0 C 901 58 Time band 1B Off Setting band B first daily time band 902 01 Time 00 00 06 30 902 02 Sp S 09 0 C W 40 0 C 902 03 Sp R 40 0 C 902 04 902 05 902 06 Time band 2B Off Setting band B second daily time band 902 07 Time 00 00 06 30 902 08 Sp S 09 0 C W 40 0 C 902 09 Sp R 40 0 C 902 10 902 11 902 12 Time band 3B Adj Setting band B third daily time band 902 13 Time 06 30 19 30 902 14 Sp S 07 0 C W 45 0 C 902 15 Sp R 45 0 C 902 16 902 17 902 18 Time band 4B Off Setting band B fourth daily time band 902 19 Time 19 30 19 30 902 20 Sp S 09 0 C W 40 0 C 902 21 Sp R 40 0 C 902 22 902 23 902 24 Time band 5B Off Setting band B fifth daily time band 902 25 Time 19 30 19 30 902 26 Sp S 09 0 C W 40 0 C 902 27 Sp R 40 0 C 902 28 902 29 902 30 Time band 6B Off Setting band B sixth daily time band 902 31 Time 19 30 19 30 902 32 Sp S 09 0 C W 40 0 C 902 33 Sp R 40
40. he digital input Only if the digital input is fitted Open the user menu and check that the On Off enable from digital input parameter is set to Yes When the contact is open the unit is Off when the contact is closed the unit is On Proceed as follows e SWITCHING ON Close the remote On Off contact The On from digital input message appears in the main mask to show that the unit has been switched on e SWITCHING OFF Open the remote On Off contact The Off from digital input message appears in the main mask to show that the unit has been switched off ge adi C0240101 06 07 GB In the W3000 base the following procedure is used press MENU select the User menu using the UP or DOWN keys press ENTER to access the menu press enter to type in the password press UP or DOWN to choose the password and ENTER to confirm use the UP or DOWN keys to choose the dI 0 Enable from digital input mask press ENTER to view the current setting of the parameter Y or N press ENTER to modify the parameter the display flashes press UP or DOWN to select one of the two alternatives Press the digital input button on the panel to switch the unit on and off Using time bands For W3000 and W3000 compact if the clock board is fitted Make sure that the Clock board not installed is not displayed in the clock menu Check that the Time bands enabled parameter in the
41. he evaporator with all the compressors running at minimum power Zone A is the sum of the zones of each single compressor A1 A2 When the temperature lies in one of the An zones the power of the active compressors is modulated according to system requirements When moving from an An zone to the one just above it the active compressors are taken to minimum power while waiting for the next one to be switched on After that they continue to be modulated in the new zone When moving from an An zone to the one just below it one of the compressors is switched off while the others are kept at a minimum setpoint Tin C Propotional band Start compressor 1 Start compressor 2 AA PS E CORE AA setpoint Pass Kw Pass Kw Figure 1 13 adjustment for a twin compressor unit SAU TENEN The following figure instead gives an example of the integral contribution of the adjustment method C0240101 06 07 GB 2 S5 c oo os NG 5 gu morc EE a 9g B Bb ss ooo 522 tc S S o e o o e e e o I Integral time i i i i I 1 1 I l I l 1 I 1 Esta A O A A A A 4 1 I I 1 1 I I 5 I I l I I o I I l gE I l 1 5 f i l i f amp I l Bete Sta AAA AA AAA gl AAA Bd May o I 1 1 I 1 1 I l I 5 I l l 1 1 1 1 mo 1 I o E 1 I I l I 25 I I I f I l I ae Se ee ee ed a eee jaa eee
42. in the Assistance menu The list of alarm events recorded by the unit can be displayed in the Log menu only accessible if the clock card is installed The Clock menu if the clock board is present is used to set and display the date and time and configure the time bands except for W3000 base After enabling time bands from the enable time bands parameter in the user menu time bands can be set and specific operating modes and different setpoints can be set according to requirements Several time bands up to 10 of different types A B C and D can be set during the day Figure 1 3 shows an example the beginning of the first time band is set at 00 00 and the end of the tenth time band is set at 23 59 the end of one time band determines the beginning of the following one To use a smaller number of bands set the time a band ends to the same time it begins and that band will be ignored Summer and winter setpoints and unit On Off switching can be set for each time band If the unit is switched Off it will remain in the Off from time bands mode Setpoint C E a PH CU UU LI AUN Figure 1 3 example of setting time bands I SENT TANEN C0240101 06 07 GB 1 2 Switching the unit on and off A Caution connect the unit to the power supply at least 8 hours before starting it if this is not done the guarantee will become null and void There are different proce
43. inated the alarm is reset Automatic reset alarm for the first n cut ins after which manual sets cumulative alarms Automatic reset signal that does not stop the machine or alarm The mode is selected from a automatic for the first n cut ins after which manual in centrifuge compressors M reset from the keypad sets cumulative alarms A automatically sets cumulative alarms A M S Signal on display does not set cumulative alarms S A parameter M A M Manual reset alarm in hermetic alternative and screw compressors B Block that cannot be reset from the display sets cumulative alarms To eliminate the alarm switch the relative compressor off and then back on again zm SEDAN C0240101 06 07 GB 3 TABLE OF MASKS Press UP or DOWN to move from one mask to another inside the same menu Press ENTER to access the parameter press UP or DOWN to change the value of the parameter Mask Description Para n Com ON ALXXX Main display mask Shows operating mode and status Mode chiller The unit can be switched on and off with the On Off command press Enter to move to State ON keypad Com select the command using the Up or Down keys and press Enter again to LIMIT ID 011 U 01 confirm Also displays the following messages ALxxx alarm active Sxxx signal active U xx unit configuration address ID xxx
44. ised and each is independent from the other Only the A typel advanced time band is used in the standard programming mode Weekly timetable Weekly timetable setting 900 02 Monday type A 900 03 Tuesday type A 900 04 Wednesday type A Weekly timetable Weekly timetable setting 900 05 Thursday type A 900 06 Friday type A 900 07 Saturday disabled Weekly timetable Weekly timetable setting 900 08 Sunday disabled Time band 1A Off Setting band A first daily time band 901 01 Time 00 00 07 00 901 02 Sp S 08 0 C W 40 0 C 901 03 Sp R 40 0 C 901 04 901 05 901 06 Time band 2A Adj Setting band A second daily time band 901 07 Time 07 00 12 00 901 08 Sp S 07 0 C W 45 0 C 901 09 Sp R 45 0 C 901 10 901 11 901 12 Time band 3A Off Setting band A third daily time band 901 13 Time 12 00 13 30 901 14 Sp S 08 0 C W 40 0 C 901 15 Sp R 40 0 C 901 16 901 17 901 18 Time band 4A Adj Setting band A fourth daily time band 901 19 Time 13 30 19 30 901 20 Sp S 07 0 C W 45 0 C 901 21 Sp R 45 0 C 901 22 901 23 901 24 Time band 5A Off Setting band A fifth daily time band 901 25 Time 19 30 19 30 901 26 Sp S 08 0 C W 40 0 C 901 27 Sp R 40 0 C 901 28 901 29 901 30 Time band 6A Off Setting band A sixth daily time band 901 31 Time 19 30 19 30 901 32 Sp S 08 0 C W 40 0 C 901 33 Sp R 40 0 C 901 34 901 35 901 36 en STEM C0240101 06 07 GB Time band 7A Off Setting band A sevent
45. it stops due to an external pressure switch Indicates that the external air temperature has fallen below the set point The evaporator inlet temperature changes too quickly and creates a low water level in the system The temperature difference between the evaporator inlet and outlet is too high and creates a low water flow from the pump Similarly to Evaporator flow switch only for water water units with freon reversal No water flow to the recuperator Maintenance hours limit exceeded in units with just 1 pump pump 1 is the evaporator pump Pump 2 maintenance hours limit exceeded in units with more than one pump The circuit 1 subcooling management driver is disconnected only for units with centrifuge compressors as above for circuit 2 as above for circuit 3 as above for circuit 4 Low water temperature at condenser outlet Except for W3000 base it also specifies which condenser if more than one is involved in the alarm condition only for water water units with freon reversal Low water temperature at recuperator outlet Pump 1 overheated in units with just 1 pump pump 1 evaporator pump NER RESET A A M A M o o DP gt C0240101 06 07 GB ALARM 082 085 086 087 090 091 092 093 094 095 101 102 103 104 105 111 112 113 114 121 122 123 124 131 132 133 134 141 142 143 144 151 152 153 154 171 172 173 174 181 182 183 184 21
46. lock selection Y A 1 Y AN User menu 4 r e Esc selection M Esc J p User Password 1_ _ User menu IL 4 Esc View user A A 1 Esc Select assistance Assistance I 4 i Esc AN lt Esc gt H Assistance menu 4 Esc View assistance menu password Y kk y Esc Figure 1 2 menu tree for W3000 base a ds C0240101 06 07 GB The menus are briefly described below O Adjustment O Machine Off The Unit Menu displays information such as temperature pressure and circuit states The Setpoint menu is used to set the setpoints for the various available functions Different setpoints can be set depending on the available operating modes chiller heat pump and recovery Dual setpoint values can also be set for chiller and heat pump operation only if the digital input is fitted and the dual setpoint function is enabled in the user menu The I O menu shows the status of the digital inputs and values read from the analogue inputs It also shows the status of the digital outputs and the voltage supplied to the analogue outputs If expansions are necessary depending on the configuration parameters the inputs and outputs of the latter are also shown Parameters relative to user programming of the unit can be displayed and set in the User menu Unit configuration parameters can be displayed and set in the manufacturer menu Service engineers can view and set parameters
47. logue inputs 3 and 4 of expansion 2 if present N Value 3 356 C 4 40 5 C An In slave exp2 Displays analogue inputs 5 and 6 of expansion 2 if present N Value 5 22 3 9 6 24 2 C An In slave exp2 Displays analogue inputs 7 and 8 of expansion 2 if present N Value 7 2274 E 8 RC Dig In slave exp3 Displays the state of the digital inputs of expansion 3 if present and specifies their state 12345 67890 12345 C Contact closed CCCCC COCCO ECCCC A Contact open CCC Dig Out slave exp3 Displays the state of the digital outputs of expansion 3 if present and specifies their state 12345 67890 12345 C Contact closed BARAR ARAARA PARAR A Contact open AAAAA AAAAA AAAA An In slave exp3 Displays analogue inputs 1 and 2 of expansion 3 if present N Value i 06 0 C 2 00 0 C An In slave exp3 Displays analogue inputs 3 and 4 of expansion 3 if present N Value 3 0090 FC 4 00 0 C An Out slave exp3 Voltage applied to analogue output 1 of expansion 3 if present N Value 1 00 0 V Dig In slave exp4 Displays the state of the digital inputs of expansion 4 if present and specifies their state 12345 67890 12345 C Contact closed NAE ve ve eS A Contact open Dig Out slave exp4 Displays the state of the digital outputs of expansion 4 if present and specifies their state 12345 67890 12345 C Contact closed IE REI A Contact open AAAAA AAAAA AAAA An In slave exp4 Displays analogue inputs 1 and 2 of expansion
48. mpressor 1 has been exceeded only for quick mind adjustment and modulating adjustment of screw compressors as above for compressor 2 as above for compressor 3 as above for compressor 4 High pressure on cooling circuit 1 as above for circuit 2 as above for circuit 3 as above for circuit 4 One of the condensation fans in circuit 1 overheated and stopped z irr undc overheated only M M M M exceeded RESET M M M S A zzz zZz zzz z PPPPDPPDPRDPDP gt gt 2 lt lt lt pad pal Zee Z zzzzooo C0240101 06 07 GB ALARM 222 223 224 231 232 233 234 241 242 243 244 251 252 253 254 261 262 263 264 271 272 273 274 281 282 283 284 301 302 303 304 311 312 313 314 321 322 323 324 331 332 333 334 341 342 343 344 351 352 353 354 361 DESCRIPTION Circuit 2 fan thermal protection Circuit 3 fan thermal protection Circuit 4 fan thermal protection Circuit 1 low pressure Circuit 2 low pressure Circuit 3 low pressure Circuit 4 low pressure Transducer 1 high pressure Transducer 2 high pressure Transducer 3 high pressure Transducer 4 high pressure Circuit 1 start up timeout Circuit 2 start up timeout Circuit 3 start up timeout Circuit 4 start up timeout No freon in circuit 1 No freon in circuit 2 No freon in circuit 3 No freon in circuit 4 Finned coil in circuit 1 Finned coil in circuit 2 Fi
49. n the system return temperature lies in zone A figure 1 11a or less than the setpoint the compressor is off The amplitude of zone A normally coincides with the temperature difference at the evaporator with the compressor running at minimum power When the return temperature exceeds zone A figure 1 11b the compressor is switched on and then switches off if the temperature falls below the setpoint If the return temperature lies in zone B figure 1 11c the power of the compressor is modulated according to system requirements setpoint Tin C setpoint Tin C Proportional band Proportional band Figure 1 11a Figure 1 11b eo C0240101 06 07 GB setpoint Proportional band Tin C Pass kW Figure 1 11c Suppose we have a unit with more than one compressor Pd Absorbed power A A kw zd Zz Zz a OOO gg 2x Min b A lt A A OC A A A O ee esos eases Set point prop Thermoregulator power set point compressori compressor 2 band 100 96 request 0 switch on switch on Figure 1 12 Adjustment for a twin compressor unit Min theoretical minimum electrical power absorbed by a compressor Max theoretical maximum electrical power absorbed by a compressor SA TENEN C0240101 06 07 GB Let us take a close look at how the compressors are activated The amplitude of zone A coincides with the temperature difference at t
50. nd 1 22 3 C temperature of the two condensers Cond 2 22 4 C Temp for water air units Displays freecooling temperature in chiller freecooling units external air Freecooling L2 3 C temperature and optional temperature if the probes are enabled External air O Optional 19 6 C Circl Circ2 Displays high and low pressure values if transducers are fitted and codifies the operating hp 07 3 07 3bar mode of circuits 1 and 2 lp 04 2 03 9bar see table at end of manual st Off Off Circ3 Circ4 Displays high and low pressure values if transducers are fitted and codifies the operating hp 07 3 07 3bar Imode of circuits 3 and 4 lp 04 2 03 9bar see table at end of manual st Off Off Circl Circ2 in chiller units with recovery Displays pressure converted into temperature values tc oe F a a P temperature of the liquid and calculated subcooling values of circuits 1 and 2 sub 00 0 00 0 C Circ3 Circ4 in chiller units with recovery Displays pressure converted into temperature values tc a Uo F i temperature of the liquid and calculated subcooling values of circuits 3 and 4 sub 00 0 00 0 C Timer tuning defrost Displays for timer tuning defrost the variation range in the defrost delay calculated according Range 1200 03600 s ito external temperature Also displays the maximum duration of the free defrost calculated according to external Free Defrost 0370 s temperature Circl Circ2 Displays the defrost delay calculated by the timer tuning
51. nn ARA RA RR RR RR RR GR SR ER SR SR IR IRI 4S 44a uguRaRa 444a dau 26 4 TABLE OF MASKS W3000 BASE oooococononononononnraracannonononnnnnnnnrnrarnrnrnnnnnnnnnnnnnnnnananrnrarannnnnnnanas 37 Notice The W3000 controller software is protected by a digital signature A This means that it can only work on boards supplied by Climaveneta and not on boards purchased from other dealers zm SEM C0240101 06 07 GB 1 USERINTERFACE There are three types of user interface W3000 W3000 compact Q99 Ee E Depending on the type of user interface installed there are more or less keys available for controlling the unit and for accessing system information Key Description W3000 W3000 W3000 base compact peg MENU key accesses the main menu m UP key moves around the masks and sets control parameter values dax DOWN key moves around the masks and sets control parameter Y up values e lel ENTER key confirms entered data ESC key goes back one level in the mask tree if you are in the Esc header masks or returns to the unit controller ry ALARM key displays the alarms and resets normal operating conditions SETPOINT key directly accesses the setpoint menu ON OFF key switches the machine on and off For each compressor the following LED s are also located on the W3000 user interface Symbol Colour Description If the LED shines steady the compressor is on if it flashes th
52. nned coil in circuit 3 Finned coil in circuit 4 Insufficient evaporation pressure circuit 1 Insufficient evaporation pressure circuit 2 Insufficient evaporation pressure circuit 3 Insufficient evaporation pressure circuit 4 Compressor 1 inverter temperature Compressor 2 inverter temperature Compressor 3 inverter temperature Compressor 4 inverter temperature Compressor 1 discharge temperature Compressor 2 discharge temperature Compressor 3 discharge temperature Compressor 4 discharge temperature Compressor 1 low pressure Compressor 2 low pressure Compressor 3 low pressure Compressor 4 low pressure Compressor 1 high pressure Compressor 2 high pressure Compressor 3 high pressure Compressor 4 high pressure Compressor 1 input current Compressor 2 input current Compressor 3 input current Compressor 4 input current Compressor 1 rotor temperature Compressor 2 rotor temperature Compressor 3 rotor temperature Compressor 4 rotor temperature Compressor 1 compression ratio details as above for circuit 2 as above for circuit 3 as above for circuit 4 Low pressure detected by the transducer pressure switch on circuit 1 as above for circuit 2 as above for circuit 3 as above for circuit 4 High pressure detected by the transducer pressure switch on cooling circuit 1 as above for circuit 2 as above for circuit 3 as above for circuit 4 Possible start up attempt with no Freon in circuit 1 as a
53. of the display menu Select language N B Up to three languages are present on the card Italian English and another language w 3000 This mask contains the reference information of the software Code and of the reference technical manual Man Code CA 15 00 GB 4 amp 8 Man C0240001 06 07 The closed padlock symbol shows that the card is provided with its propriety software two padlocks appear on units with 3 or 4 circuits a eS C0240101 0 6 07 GB Enter other Personalises the password by defining one that will replace the default password user password 0000 Access mask to unit menu Press Up or Down to scroll the other masks and Esc to Un ae t return to the submenu z y Temp In Out Displays inlet and outlet temperatures of the evaporator recuperator and condenser where Evap 12 5 07 0 C fitted Rec 35 6 40 5 C Cond 38 0 42 5 C Temp n Out if 2 evaporators are fitted Displays inlet and outlet temperatures of the evaporator or Evap 12 5 07 0 C condenser depending on whether the unit is in the chiller or heat pump mode and the outlet Evapl 07 2 C temperature of the two evaporators Evap2 06 9 C Temp n Out if 2 condensers are fitted Displays inlet and outlet temperatures of the evaporator on Cond 24 3 22 4 C condenser depending on whether the unit is in the chiller or heat pump mode and the outlet Co
54. or chiller plus recovery units and only if the digital input is present This mode is not present in the W3000 base Proceed as follows check that the Recovery control enable from digital input parameter in the Recovery menu is set to Yes When the contact is open the unit is in the chiller rec mode when the contact is closed the unit is in the chiller mode Switching the digital input switches the unit off changes the operating mode and switches the unit on again Using the supervision protocol Only applicable if the serial board is fitted Check that the Supervisor enable and Enable operating mode from supervisor parameters in the user menu are set to Yes Make sure the unit is Off Send the change operating mode command from the protocol The operating mode only changes if the unit is switched off In the W3000 base press ON OFF to switch the unit off Access the user menu press UP or DOWN to select SV M press Enter to view the set mode press Enter to see the setting flashing press UP or DOWN to modify the setting press Enter to confirm the new setting Send the change operating mode command from the protocol The operating mode only changes if the unit is switched off zm STRIS C0240101 06 07 GB 1 4 Setting adjustment methods Depending on the type of compressor used various adjustment methods may be selected
55. or dual ventilation adjustment a O C0240101 06 07 GB Analogue outputs Condens adj 3 000 Condens adj 4 000 oe oe Displays analogue outputs 3 and 4 Analogue outputs Displays analogue outputs 5 and 6 Analogue outputs 3 Freecooling Displays analogue outputs 1 and 2 of expansion 3 Analogue outputs Condens adj 3 000 Condens adj 4 oe e e C3 oe Displays analogue outputs 1 and 2 of the slave card Shows the percentage of demand of the devices connected to it for non linear devices correspondence with supplied voltage V does not apply Compares Cond 3 4 adj with single or dual ventilation adjustment Analogue outputs oe oe Displays analogue outputs 3 and 4 of the slave Analogue outputs oe oe Displays analogue outputs 5 and 6 of the slave Analogue outputs 3 Displays analogue outputs 1 and 2 of slave expansion 3 Freecooling 000 Hour counter Displays the operating hours of the circulation pump pump 2 appears only if two pumps are enabled Pump 1 000000 Pump 2 000000 Compr hour counter Displays average compressor hours Av hours Displays the operating hours of compressors 1 2 3 and 4 C1 000000 c2 000000 C3 000000 C4 000000 Comp 1 Work Displays the operating status of the centrifuge compressors the request and effective Req 078 lt lt 082
56. rature expressed in degrees centigrade din The submask displays the inlet temperature of the condenser only for water water units if the condenser inlet probe is enabled 24 3 temperature expressed in degrees centigrade Cdo The submask displays the outlet temperature of condenser n 1 only for water water units if the condenser outlet probe is enabled td Ue If 2 condensers are present The submask displays the outlet temperature of condenser n 2 only for water water units if the condenser outlet probe is enabled ee 4 temperature expressed in degrees centigrade EHE In water air units if the external air temperature probe is enabled Displays external temperature I5 5 temperature expressed in degrees centigrade DPE In water air units if the operational temperature probe is enabled Displays optional temperature 18 8 temperature expressed in degrees centigrade Ant Assistance menu USEr User menu rEeb The submask is used to set the adjustment type SEEP Switch off the unit before changing this setting STEP steps QM quick mind 39 01 FLUU The submask is used to set the adjustment flow type La IN inlet flow OUT outlet type 39 02 BAnd The submask can be used to enable time bands n N disabled Y enabled 39 41 SEr The submask is used to enable the supervisor n N disabled SPV Supervision SQ Sequencer EDI Manager 3000 39 42 PrOE If the supervisor is enabled The submask is used to
57. s freecooling The slave card is disconnected only for units with 3 or 4 circuits Master expansion 1 unlinked Apart from W3000 base the word master appears in units with 3 or 4 circuits as above for expansion 2 as above for expansion 3 as above for expansion 4 as above for expansion 5 Slave expansion 1 unlinked as above for expansion 2 as above for expansion 3 as above for expansion 4 as above for expansion 5 No oil on compressor 1 due to low compressor oil level or pressure as above for compressor 2 as above for compressor 3 as above for compressor 4 Compressor 1 delivery temperature is higher than the set limit as above for compressor 2 as above for compressor 3 as above for compressor 4 Compressor 1 motor overheated or any another fault as above for compressor 2 as above for compressor 3 as above for compressor 4 No communication with compressor n 1 only for units with centrifuge compressors as above for compressor 2 as above for compressor 3 as above for compressor 4 Maintenance hours limit compressor 1 as above for compressor 2 as above for compressor 3 as above for compressor 4 Compressor 1 did not start within the set timeout only for units with centrifuge compressors as above for compressor 2 as above for compressor 3 as above for compressor 4 The maximum number of start ups per hour permitted for co
58. s above analogue as above analogue as above analogue as above analogue as above analogue as above analogue as above analogue as above analogue as above analogue as above analogue as above analogue as above analogue as above Slave probe 10 faulty only in units with more than 2 circuits analogue as above analogue as above analogue as above analogue as above analogue as above analogue as above analogue as above analogue as above analogue as above Probe 1 expansion 1 connected to slave faulty analogue as above analogue as above analogue as above en TUM RESET BRIZ EJES e pa Zee 2 222 Zee Z rPrrrrrrrrrrrpr gt rrr Srrrrrrrrrrrrrrrrrrrrrrrrprrpr gt 335 C0240101 06 07 GB ALARM 521 522 523 524 525 526 527 528 531 532 533 534 551 552 553 554 611 612 613 614 631 632 633 634 641 642 643 644 DESCRIPTION Exp 2 Probe 1 err slave Exp 2 Probe 2 err slave Exp 2 Probe 3 err slave Exp 2 Probe 4 err slave Exp 2 Probe 5 err slave Exp 2 Probe 6 err slave Exp 2 Probe 7 err slave Exp 2 Probe 8 err slave Exp 3 Probe 1 err slave Exp 3 Probe 2 err slave Exp 3 Probe 3 err slave Exp 3 Probe 4 err slave Exp 5 Probe 1 err slave Exp 5 Probe 2 err slave Exp 5 Probe 3 err slave Exp 5 Probe 4 err slave Antifreeze pre alarm evaporator 1 Antifreeze pre alarm evaporator 2 Antifreeze pre alarm evaporator 3
59. set the communication protocol nods MODB modbus LON lonWorks STD standard Carel 39 45 BRUd If the supervisor is enabled The submask is used to set the speed of communication expressed in bauds 1200 Possible values 1200 2400 9600 19 2 19200 39 46 Id If the supervisor is enabled The submask is used to set the identification n for communicating in the supervisor network 0 address 39 47 Su D If the supervisor is enabled The submask is used to set on off from the supervisor n N disabled Y enabled 39 43 su n If the supervisor is enabled The submask is used to enable the operating mode as supervisor n N disabled Y enabled 39 44 PRSS The submask is used to set the user Password from 0 to 9999 CLH Clock menu not available on this keypad n naE 120 Input output menu zm xri pc C0240101 06 07 GB Displays digital input 1 4 Ccce C closed A 0pen XXXX input1 input2 input3 input4 Displays digital input 5 8 Ccce C closed A 0pen XXXX input5 input6 input7 input8 Displays digital input 10 12 00 Ccce C closed A open XXXX input9 input1 O input1 1 input12 Displays digital input 13 15 ccc C closed A 0pen XXX input13 inputt4 input15 Displays digital output 1 4 CAAR C closed A 0pen XXXX output1 output2 output3 output4 dU B Displays digital output 5 8 CAAR C closed A 0pen XXXX o
60. side zone C if the outlet temperature derivative is negative compressor power is decreased in order to return the temperature to the dead area ZN The further away the temperature is from the set point the greater the decrease is The amplitude of the neutral zone depends on the dynamic characteristics of the system and in particular on the amount of water it contains and the load The self adapting algorithm is able to measure system dynamics and calculate the minimum dead area in order to respect compressor activation times and the maximum number of start ups per hour When a second or subsequent compressor is switched on the ones that are already running are forced to a minimum and the subsequent power increases decreases are applied to all the compressors ee C0240101 06 07 GB 1 4 5 Adjustment method for centrifuge compressors Adjustment is combined on the inlet temperature and integral on the outlet temperature Some diagrams outlining how this works are shown below Suppose we have a single compressor unit Absorbed power kW ae Thermoregulator power request set point compressor Set point 0 P09 42 switch on P09 43 Proportional band 100 Figure 1 10 Adjustment for a single compressor unit Min theoretical minimum electrical power absorbed by a compressor Max theoretical maximum electrical power absorbed by a compressor Let us take a close look at how the compressor is activated Whe
61. t Y Cire2ee Y 47 03 Cires NoCirca amp N 47 04 Enable Selects deselects compressors 47 05 compressors 47 06 C1 Y C2 Y C3 Y C4 Y 47 07 47 08 a ee C0240101 06 07 GB W 3000 This mask contains the reference information of the software Code The closed padlock symbol shows that the card is provided with its propriety software two Cod CA 15 00 GB 88 padlocks appear on units with 3 or 4 circuits Access mask to setpoint menu Press Up or Down to scroll the other masks and Esc to Setpoint return to the submenu E 4 Unit type Mask for displaying the unit type and setting the operating mode chiller 43 01 Operating mode chiller Active set point Displays the current setpoint If the letter R appears in the top right hand corner the active setpoint is the secondary one Main 07 0 C Recovery 42 5 C Chiller setpoint Sets the chiller and heat pump setpoint for inlet adjustment 43 02 O70 C 43 03 Heat pump setpoint 43 04 42 5 9C Chiller setpoint Sets the chiller and heat pump setpoint for outlet adjustment 43 05 Ti0 9c 43 06 Heat pump setpoint 45 0 96 Chiller dual Mask for setting the second set point only visible if the dual setpoint function is enabled43 07 setpoint 07 0 C P3923 43 08 Heat pump dual setpoint 45 0 C Recovery set point Sets the recovery setpoint only displayed if recovery is enabled 43 09
62. tional step adjustment on inlet probe Some examples of proportional step adjustment on the inlet temperature probe Chiller n steps 22 Pout 100 50 Set Proportional band a ai Figure 1 4 T is the inlet variable Pou is the percentage of delivered power chiller m Set proportional band 2 Heat pump n steps 22 P out 10056 50 Proportional band ee r ai Figure 1 5 Tj is the inlet variable Pout is the percentage of delivered power heat pump m Set proportional band 2 en iat ETETE C0240101 06 07 GB The following tables show some typical values for the parameters in question The theoretical maximum and minimum outlet temperature values refer to operation at nominal flow rates with a thermal head at the evaporator of 5 C and sufficient water in the system to ensure a litre KW ratio equal to or greater than 7 N Setpoint Proportional band Theor min outlet T Theor max outlet T steps C C C C 2 9 5 2 5 5 7 10 8 4 7 5 5 7 8 3 Table 1 2 normal setpoint and proportional band values according to the number of steps chiller N Setpoint Proportional band Theor min outlet T Theor max outlet T steps C C C C 2 42 5 2 5 41 2 46 3 4 45 5 43 7 46 3 Table 1 3 normal setpoint and proportional band values according to the number of steps heat pump en SE EET C0240101 06 07 GB 1 4 2 Proportional step adjustment on inlet probe
63. ue inputs 7 and 8 of expansion 2 if present N Value Master is only specified on units with 3 or 4 circuits yi 22 4 9C 8 ab Dig In master exp3 Displays the state of the digital inputs of expansion 3 if present and specifies their state 12345 67890 12345 C Contact closed CCCCC CCEC CCCC A Contact open See Master is only specified on units with 3 or 4 circuits Dig Out master exp3 Displays the state of the digital outputs of expansion 3 if present and specifies their state 12345 67890 12345 C Contact closed AAAAA AAAAA AAAAA A Contact open RARAN AR A LEE Master is only specified on units with 3 or 4 circuits An In master exp3 Displays analogue inputs 1 and 2 of expansion 3 if present RJ us Master is only specified on units with 3 or 4 circuits LONE 2 00 0 7C An In master exp3 Displays analogue inputs 3 and 4 of expansion 3 if present N Value Master is only specified on units with 3 or 4 circuits 3 00 0 C 4 00 0 C An Out master exp3 Voltage applied to analogue output 1 of expansion 3 if present N Value Master is only specified on units with 3 or 4 circuits 1 00 0 V Dig In master exp4 Displays the state of the digital inputs of expansion 4 if present and specifies their state 12345 67890 12345 C Contact closed CCEC CECE cecce A Contact open ecc Master is only specified on units with 3 or 4 circuits Dig Out master exp4 Displays the state of the digital outputs of expansion 4 if present and spe
64. utput5 output6 output7 output8 dU t Displays digital output 9 12 ARAR C closed A open XXXX output9 output1 O output1 1 output12 Displays analogue input 1 value Displays analogue input 2 value Displays analogue input 3 e5 3 value Displays analogue input 4 30 2 value Displays analogue input 5 24 5 value Displays analogue input 6 24 5 value Displays analogue input 7 value Displays analogue input 8 value RU 3 Displays analogue output 3 70 value expressed in Volts HU Y Displays analogue output 4 BU value expressed in Volts SEEP Setpoint menu Node The submask is used to set the operating mode this depends on the machine type set in the manufacturer menu using the W3000 compact keypad LH CH Chiller HP heat pump 43 01 ACE The submask displays the percentage of active power of the thermoregulator 50 value ranging from O to 100 sun If the FLOW parameter in the user menu is set to inlet The submask is used to set the chiller setpoint with inlet adjustment expressed in degrees centigrade 43 02 43 03 sun If the FLOW parameter in the user menu is set to outlet The submask is used to set the chiller setpoint with outlet adjustment expressed in degrees centigrade 43 05 If the FLOW parameter in the user menu is

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