CIAT Magister 2 Series Installation, Operation, Commissioning, Maintenance Download Page 2

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Summary of Contents for Magister 2 Series

Page 1: ...1 Microchip and LCD display electronic regulation and signaling electronic module for liquid coolers and heat pumps NA 09 13 H 09 2011 Installation Operation Commissioning Maintenance...

Page 2: ......

Page 3: ...TS menu 21 8 3 MACHINE STATUS menu 22 8 4 MEASURED VALUES menu 26 8 5 MACHINE PARAMETERS menu 26 8 6 ADJUSTMENT PARAMETERS menu 31 8 7 OPERATION PARAMETERS menu 39 8 8 FAULT MEMORY menu 50 8 9 TEST MO...

Page 4: ...16 7 Automated self regulating control 75 16 8 Control with A ROCONNECT link in FREE COOLING mode 75 17 CONTROL OF CONDENSING PRESSURE FOR AIR COOLED UNITS 75 17 1 Control during normal operation or...

Page 5: ...230 V In the case of distances of over 6 m use a shielded cable connected to the earth on the unit Maximum distance 25 m Connection of communication buses and of the remote console 4 1 Connection cab...

Page 6: ...shut off order to driver 4 Common for fans heater and heat trace cable 5 Circuit 1 fan 1 control and circuit 2 if intertwined coil 6 Circuit 1 fan 2 control and circuit 2 if intertwined coil 7 Heater...

Page 7: ...rd or another additional board TERMINAL BLOCK J3 Link with another additional board TERMINAL BLOCK J4 on off inputs 1 2 Heating cooling selection input if unit type P2 reversible air to water and numb...

Page 8: ...10 0 V power supply for water pressure sensors TERMINAL BLOCK J6 analogue outputs 1 0 10 V output for circuit 2 fan 2 Common for outputs 3 0 10 V output for common fan circuits 1 and 2 TERMINAL BLOCK...

Page 9: ...control console have the same front Mounting dimensions in mm of remote control console Thickness 55 mm LCD Setpoint 1 Setpoint 2 button Heating Cooling selection button Power LED Reset Confirm butto...

Page 10: ...only one option is connected to the RS 485 output on the main board Position of switch when several options are connected to the RS 485 output on the main board RS 485 PLC BMS 2 wire RS 485 Max lengt...

Page 11: ...otor fault stage 4 19 20 Fan fault 21 22 Fault 1 or 2 electric stages Or 23 24 Operation of auxiliary heaters stage 3 or 4 Additional 25 26 Operation of auxiliary heaters stage 1 or 2 relay board 1 27...

Page 12: ...event of a mains power failure If lock mode is enabled while modifying a parameter any modifications made are aborted and the controller is reset to its initial value To lock the console simultaneousl...

Page 13: ...and simultaneously holding down the and Reset buttons for 10 seconds 5 2 3 Access to level 3 A non modifiable numeric code must be entered to access level 3 The following menu for entering this code...

Page 14: ...Menu Setpoint machine status measured values control parameters operation parameters fault memory hourly scheduling communication and access level selection Function all functions accessible via the...

Page 15: ...P 2 sensor 1 to 10 b resolution 0 1 0 5 0 with R410A If P3 2 3 36 High pressure LP 1 sensor 10 to 50 b resolution 0 1 34 45 with R410A 17 3 b if P42 CIAT 3 37 Low pressure LP 1 sensor 1 to 10 b resolu...

Page 16: ...faults on air to water only P max 2 112 Number of electric stages 1 to 4 2 Visible if P22 Yes 2 113 Configurable input Disabled Load shedding Override Disabled Visible if P22 Yes 3 115 Exchanger frost...

Page 17: ...K resolution 0 5 1 5 Supply with compensation by return 2 145 P coefficient 0 3 to 2 resolution 0 1 1 If P141 3 4 and P7 INVERTER 2 146 I coefficient 0 to 1 resolution 0 1 0 If P141 3 4 and P7 INVERT...

Page 18: ...if P26 2WV 10 to 25 C if P26 3WV 19b 20 C Visible if P2 Water to Water and P3 1 Visible if P2 Water to Water 2 198 Value at 10 V 28 to 39 if P26 2WV 25 at 40 C if P26 3WV 28b 30 C Visible if P2 Water...

Page 19: ...in heating mode If P119 Cooling 1 286 Runtime in cooling mode If P119 Heating 1 287 Pump 1 runtime in hours 1 288 Pump 2 runtime in hours If P2 1 or P25 2 1 289 No of times P99 set to No 1 290 No of w...

Page 20: ...circuit 2 If P3 2 P5 2 1 352 No of water line frost protection cut offs circuit 2 If P3 2 and P2 4 5 1 353 No ofrefrigerantlinefrostprotectioncut offs circuit2 1 354 1 No ofcut offscausedbydischargeT...

Page 21: ...1 444 State of HP control output stage 2 circuit 2 On Off If P180 2 and P3 2 P2 2 3 1 445 State of HP control output stage 3 circuit 1 or State of HP control output common stage 1 On Off If P180 3 and...

Page 22: ...3 2 and P2 reversible air to water 3 617 Opening time at start up C2 1 to 60 seconds 5 If P42 CIAT and P3 2 3 618 Circuit 2 slow mode If P42 CIAT and P3 2 COMMUNICATION 1 700 Communication protocol BU...

Page 23: ...nd change the units in the list of parameters or when modifying parameter values 8 1 MAIN menu Scrolling through menus occurs line by line The button is used to increment values and the button is used...

Page 24: ...P M A C H I N E O F F W A T E R F L O W F A U L T W A T E R F L O W F A U L T X C U T S I N 1 H M A C H I N E O F F O U T T E M P T O O L O W M A C H I N E O F F O U T T E M P T O O H I G H M A C H I...

Page 25: ...N G E R A M B T E M P D U R I N G F R O S T P R O T E C N O S T A G E S T O B E S H U T O F F X U N I T D I S C H T L I M I T O P T I M I S E D O P E R A T I O N E L E C A U X C T R L O U T T E M P T...

Page 26: ...B L E D T E M P F A U L T x x x m n x C U T S I N 2 4 H C I R C U I T X O F F E X P V A L V E F A U L T F A U L T O N E X V X X C U T S I N 2 4 H B O A R D L I N K F A U L T C I R C U I T X E X V A C...

Page 27: ...N S T A G E x C I R x x x m n x x s C I R C U I T x S T A G E x F O R C E D O F F S T A G E x C I R C U I T x T U R N I N G O F F C X R E F R I G F R O S T L I M P O W E R R E D U C C I R C x W A T E...

Page 28: ...anges Press OK to save the change or ESC to cancel When a parameter value is being changed the square at the bottom right should flash In the case of parameters the letter P flashes The text in messag...

Page 29: ...R E F R I G E R A N T P 0 1 R 2 2 R E F R I G E R A N T P 0 2 W A T E R T O W A T E R U N I T P 0 2 A I R T O W A T E R U N I T P 0 2 R E V E R S I B L E A I R T O W A T E R U N I T P 0 3 N U M B E R...

Page 30: ...U G A L P 1 0 F A N T Y P E P R E S S U R E P 1 1 C O I L T Y P E I N T E R T W I N E D P 1 1 C O I L T Y P E S P L I T P 1 1 C O I L T Y P E M I X E D P 1 2 B A L A N C E S V Y E S P 1 2 B A L A N C...

Page 31: ...E R S N O P 2 2 E L E C T R I C A U X I L I A R Y H E A T E R S Y E S P 2 5 N U M B E R O F P U M P S S U P P L I E D B Y C I A T 0 P 2 5 N U M B E R O F P U M P S S U P P L I E D B Y C I A T 1 P 2 5...

Page 32: ...x S E N S O R H I G H V A L U E x x x b P x x H P x S E N S O R L O W V A L U E x x x b P 5 0 C O M P R E S S O R S H O R T C Y C L E P R O T E C T I O N x x m n P 5 1 D I S C H A R G E T E M P L I M...

Page 33: ...onfigurable output P x x S T A G E D I F F E R E N T I A L x x x K 5 A D J U S T M E N T P A R A M E T E R S P 1 0 0 L A N G U A G E F R A N C A I S P 1 0 0 L A N G U A G E E N G L I S H P 1 0 0 L A N...

Page 34: ...U X H E A T E R P 1 1 3 P R O G R A M M A B L E I N P U T O V E R R I D E A U X H E A T E R P 1 1 5 E X C H F R O S T P R O T E C E N A B L E D Y E S P 1 1 6 L I N K W I T H A E R O C O N N E C T Y E...

Page 35: ...1 x x x P 1 2 1 C O O L I N G S E T P O I N T 2 x x x P 1 2 3 H E A T I N G S E T P O I N T 1 x x x P 1 2 4 H E A T I N G S E T P O I N T 2 x x x P 1 2 7 C O O L I N G S T P B A S E D O N T e x t Y E...

Page 36: ...1 4 2 W A T E R L O O P W I N T E R P R O T E C T I O N Y E S P 1 4 2 W A T E R L O O P W I N T E R P R O T E C T I O N N O P 1 4 3 S T A G E D I F F E R E N T I A L x x K P 1 4 4 I N T E R S T A G E...

Page 37: ...A R T D E F R O S T I N G x x x P 1 5 8 T E M P E R A T U R E E N D D E F R O S T I N G x x x P 1 5 9 F R O S T I N G T Y P E F I X E D T I M E P 1 5 9 F R O S T I N G T Y P E O P T I M I S E D P 1 6...

Page 38: ...P C O N T R O L S E T P O I N T x x x b P 1 8 2 O U T A I R T E M P F O R C E D F A N S x x x P 1 8 3 H P C T R L S T A G E D I F F E R E N T I A L x x x b P 1 8 4 H P C T R L I N T E R S T A G E D I...

Page 39: ...T I N G M O D E x x P 2 2 5 1 M A X A I R T E M P I N C O O L I N G M O D E x x P 2 2 5 2 M A X A I R T E M P I N H E A T I N G x x P 2 2 5 3 M I N A I R T E M P I N C O O L I N G x x P 2 2 6 O U T T...

Page 40: ...R C U I T 2 S U P E R H E A T S T P 6 C P 6 1 3 C I R C U I T 2 M O P P O I N T Y E S P 6 1 4 C I R C U I T 2 M O P V A L U E 1 5 C P 6 1 5 O P N G C 2 E X V S T A R T A I R C O N X X X P 6 1 6 O P N...

Page 41: ...U M B E R F O R M A T Y E S P 7 0 5 B U S N U M B E R 0 0 0 P 8 0 0 M A S T E R M A C H I N E O N L O O P Y E S P 8 0 1 B A C K U P M A C H I N E Y E S P 8 0 2 S W I T C H B A C K U P M A C H I N E Y...

Page 42: ...rature on circuit 2 heat exchanger Circuit 2 coil temperature P 2 5 0 L E D T E S T P 2 5 1 C O N T R O L S E T P O I N T x x x P 2 5 2 O U T D O O R A I R T E M P E R A T U R E x x x P 2 5 5 E X C H...

Page 43: ...F R T E M P x x x P 2 6 5 E X C H A N G E R A M B I E N T T E M P x x x P 2 6 6 C A L C U L A T E D F R O S T T I M E C I R C U I T 1 x x m n P 2 6 7 C A L C U L A T E D F R O S T T I M E C I R C U I...

Page 44: ...ion temperature value Circuit 1 superheat temperature Number of cut offs caused by a High Pressure fault on circuit 1 in 24 hours Number of cut offs caused by a Low Pressure fault on circuit 1 in 24 h...

Page 45: ...ronic expansion valve on circuit 1 Circuit 1 liquid temperature Circuit 1 subcooling value P 3 1 0 N O S T A R T S S T A G E 1 C I R C U I T 1 x x x x x P 3 1 1 S T A G E 1 C I R C U I T 1 R U N T I M...

Page 46: ...the previous pressure value and the refrigerant selected Circuit 2 suction temperature value Circuit 2 superheat temperature P 3 2 8 N O C U T O F F S C A U S E D B Y C 1 E X V I N 2 4 H X P 3 3 0 H...

Page 47: ...discharge temperature on stage 2 of circuit 2 in 24 hours Percentage of opening for the electronic expansion valve on circuit 2 P 3 3 8 N O H P 2 C U T S I N 2 4 H O U R S x P 3 3 9 N O L P 2 C U T S...

Page 48: ...nits equipped with auxiliary electric heaters P22 Yes and P113 load shedding or forced P 3 5 6 C I R C U I T 2 L I Q U I D T E M P x x x P 3 5 7 C I R C U I T 2 S U B C O O L I N G x x x P 3 5 8 N O C...

Page 49: ...s Pump 1 contact P 4 1 4 S T A G E 1 O V E R R I D E I N P U T O P E N P 4 1 5 S T A G E 2 O V E R R I D E I N P U T O P E N P 4 1 6 S T A G E 3 O V E R R I D E I N P U T O P E N P 4 1 7 S T A G E 4 O...

Page 50: ...P 4 3 5 H E A T T R A C E O U T P U T O N P 4 3 6 H E A T E R O U T P U T O N P 4 3 7 R E C O V E R Y F R O S T P R O T O U T P U T O N P 4 3 8 M A X I M U M P O W E R O U T P U T O N P 4 3 9 B O I L...

Page 51: ...A G E 3 C 1 O U T P U T O N P 4 4 6 H P C O N T R O L S T A G E 3 C 2 O U T P U T O N P 4 4 5 H P C O N T R O L C O M S T A G E 1 O U T P U T O N P 4 4 6 H P C O N T R O L C O M S T A G E 3 O U T P U...

Page 52: ...n the fault memory regardless of the fault type main circuit fault main unit fault temporary fault P 5 5 9 A U X B O A R D V E R S I O N N O x x x x P 5 6 0 C I R 1 E X V V E R S I O N N O X X Y Y V C...

Page 53: ...R x C O N D E N S E R O U T S E N S O R x C I R x C O I L A S E N S O R x D I S C H S E N S O R x x M A N I F H 2 O S E N S O R x E X C H A M B S E N S O R x S U C T I O N S E N S O R x L P S E N S O...

Page 54: ...during the 1 minute circulation delay after the last control stage it will not be managed as a fault but the pump will be shut off If 3 shutdowns occur in 1 hour If a fault occurs Pump shut off compre...

Page 55: ...nually Display Saved in fault memory Resetting When the input is closed the fault is acknowledged automatically Special case a fan fault will turn off units in the LJA range air to water and centrifug...

Page 56: ...t message If a fault occurs Fault saved in fault memory Relay in On position Phase control fault relay on relay board in On position General fault LED on console lit steady Resetting The opening of th...

Page 57: ...2 ADD2 board Stage 1 circuit 2 Terminals 2 3 on terminal block J2 on circuit 2 ADD2 board Stage 2 circuit 2 These inputs are read 10 seconds after a mains power failure slowness of switch INT69 causi...

Page 58: ...the setpoint is adjusted based on the outdoor temperature Yes and there are no faults on the outdoor sensor The derived setpoint is calculated using the outdoor temperature The result of diagram 1 is...

Page 59: ...return temperature is too high load limiting Display the chilled water or hot water inlet temperature display range 40 to 99 C resolution 0 1 K This fault is acknowledged automatically Sensor wire cut...

Page 60: ...f the refrigerant at the heat exchanger inlet in order to Protect the heat exchanger from frost Power reduced if several control stages are used Slope of fans changed Unit shut off Refrigerant frost p...

Page 61: ...ge from table 1 in machine status menu shown on LCD unit fault LED lit steady fault saved in fault memory general fault relay Circuit suction sensor CTN 10 K at 25 C all configurations If P42 2 electr...

Page 62: ...between a value that is read and the corresponding value measured by a pressure gauge Example Press OK to access and change the adjustment value Press OK to confirm the new adjustment value and go bac...

Page 63: ...ameter P27 is used to have the pump controlled by the operation of the boiler A If P27 Yes When the boiler is turned on the pump is shut off unless there is a risk of the unit freezing outdoor tempera...

Page 64: ...ting mode This function is possible only if P142 Yes the automatic operation control input is open and the On Off button on the console is set to On In this case the function must maintain water inlet...

Page 65: ...e two stages on the circuit are balanced during operation and at start up With 2 circuits and 3 stages On circuit X the first of the three stages to be turned on is the one that has run the least amou...

Page 66: ...final frost fault on refrigerant Exchanger frosting fault Limiter on high pressure Intermediate and final high pressure control fault Manual high pressure fault Motor fault Limiter on discharge Interm...

Page 67: ...h the compressors near their limits too often If necessary a coil defrosting cycle will be forced on 14 5 Self adjusting function minimum HP circuit 1 or 2 Operation If the pressure measured by the HP...

Page 68: ...tdowns in 24 hours Corresponding circuit shut off Circuit fault output off Frost protection fault relay on optional board in Off position Circuit fault LED on console flashes Display If this fault cau...

Page 69: ...d in fault memory Resetting If the number of faults in 24 hours 5 the fault is acknowledged after 30 minutes If the number of faults in 24 hours 5 the fault is acknowledged if DISCH T P51 15 C and Res...

Page 70: ...isplayed The unit automatically restarts after 5 minutes 5 seconds in test mode This function remains on in test mode Display If there are more than 3 cuts in 1 hour The unit is turned off by the supe...

Page 71: ...Automatic reset Either the machine changes its operating mode if the change is confirmed by pressing On Off or if the automatic operation control input is open Or it resumes its initial operating mode...

Page 72: ...f Each stage is turned on at 60 second intervals and the shut off at 1 second intervals The related parameters are as follows P143 Stage differential P144 Interstage differential P251 Control setpoint...

Page 73: ...e and 1 0 K for the last stage Example Two stage unit with a 5 C setpoint where D 0 and I 0 In heating mode A call is made for an additional stage if DV 1 0 K for the first stage and 0 5 K for the add...

Page 74: ...2nd compensation result The controller s remaining time is 45 10 35 seconds 0 5 17 5 seconds C 3rd compensation result The controller s remaining time is 17 5 10 7 5 seconds 0 5 3 75 seconds R 0 Momen...

Page 75: ...mperature approaches the setpoint value The compressor will be shut off when T STP In heating mode A call will be made to turn on the compressor if T STP Stage differential The compressor rotation spe...

Page 76: ...on outdoor sensor Setpoint f outdoor temperature is calculated using P121 or P122 based on the selection made via the console In heating mode If P131 heating setpoint adjustment f outdoor temperature...

Page 77: ...atic operation control on with winter water loop protection off if a unit fault occurs if parameter P141 control mode is changed and if a power failure occurs 16 8 Control with AEROCONNECT link in FRE...

Page 78: ...with the highest pressure Fan 1 will be controlled by stage 1 motherboard terminal block J3 terminal 5 Fan 2 will be controlled by stage 2 motherboard terminal block J3 terminal 6 1er stage 1 2 me st...

Page 79: ...separated by an interval of 3 seconds Variable speed drive VSD In order for it to adjust the speed based on the 0 10 V signal the variable speed drive selected must first be supplied electrically and...

Page 80: ...running speed is controlled by the circuit s HP sensor With 2 circuits running the speed is controlled by the sensor with the highest pressure a P21 2 with acoustic optimisation 1er stage 1 2 me stag...

Page 81: ...comes needless and therefore inaccessible The minimum value of P181 becomes 16 bar for R410A The minimum value of P183 becomes 8 bar for R410A 17 3 4 Fan speed control if P7 INVERTER The rotation spee...

Page 82: ...the function is enabled go to parameter P191 Low Noise operation which is set to Yes by default Visible only if P180 1 This function disappears if a variable speed drive is used P21 Yes The fan must...

Page 83: ...erminal block J2 on motherboard as shown below One circuit unit or fault on one circuit of a two circuit unit Adjust as shown in diagram 1 Two circuit unit and if the compressor on circuit 2 running f...

Page 84: ...temperature P225 The auxiliary heaters or the boiler are substituted for the thermodynamic control stages The thermodynamic unit restarts once the temperature rises to above P225 2K Display in heating...

Page 85: ...off To disable this function Simply press the button until the maximum value of the parameter appears Below this value the following message appears To turn off the function simply press Enter To re e...

Page 86: ...iary heaters operate normally 2 The input is closed the thermodynamic stages are turned off The outputs always close in the same order 1 2 3 4 and always open in the reverse order 4 3 2 1 Management o...

Page 87: ...tpoint will increase by 1 C for an equivalent rise in the air temperature until Initial setpoint if P131 No Calculated setpoint if P131 Yes The boiler relay is open when the air temperature P226 2 Man...

Page 88: ...owing message Automatic acknowledgment The automatic operation controls are managed by each machine as if the machines were not linked Load shedding via the on off inputs is managed by each machine as...

Page 89: ...g on off input via the console or because of the outdoor temperature If the slave machine has a different P199 value than the master machine e g master set to cooling heating while slave set to coolin...

Page 90: ...lue of P806 will have to be selected based on machine 1 in order to achieve an operating order similar to the start up of the last stage see figure above B Control in parallel with shifted setpoint Ma...

Page 91: ...ELECTRONIC EXPANSION VALVEE 23 1 With Alco driver and display Only fault feedback signals from the valve are managed in this case 23 2 With CIAT driver This configuration corresponds to using the elec...

Page 92: ...percentage of opening requested by the controller will appear To send a signal to close the valve press The percentage immediately lower than the percentage of opening requested by the controller wil...

Page 93: ...ng to the compressor s 90 Hz frequency In other terms the compressor will not reach 90 Hz until the end of this time delay even if it is requested to do so by the network s heat load Parameter P192 ma...

Page 94: ...at a time to ensure a minimum supply of hot water for the system A difference in pressure where HP LP 13 5 for 120 seconds if INVERTER compressors are used Defrost cycle for reversible machines with i...

Page 95: ...d and the real day is selected the status of the unit is as follows Type of programme Status before starting time Status before starting time and ending time Status after ending time CSG1 stop Stop Ru...

Page 96: ...ay ending day If the ending day starting day the programme is considered to be ending the year after Operation of holiday zones If a holiday zone is active starting date present date ending date the t...

Page 97: ...ion speed is set via parameter P701 The unit number on the bus is set via parameter P705 Coding of analogue values Standard 32 bit IEEE format 2 registers Order of values If P704 No low order high ord...

Page 98: ...and 268 P125 2 Setpoint for 4 mA in heating mode Float Read Write 0x10d and 0x10e 269 and 270 P126 1 Setpoint for 20 mA in cooling mode Float Read Write 0x10f and 0x110 271 and 272 P126 2 Setpoint fo...

Page 99: ...cuit 1 Read only 1 Fault 0x49 73 Discharge fault stage 1 circuit 1 Read only 1 Fault 0x4a 74 Discharge fault stage 2 circuit 1 Read only 1 Fault 0x4b 75 Defrosting fault circuit 1 Read only 1 Fault 0x...

Page 100: ...d only 1 Fault 0x118 280 Stage 2 circuit 2 discharge sensor fault Read only 1 Fault 0x119 281 Circuit 2 HP sensor fault Read only 1 Fault 0x11a 282 Circuit 2 LP sensor fault Read only 1 Fault 0x11b 28...

Page 101: ...seiner Ger te beh lt sich CIAT das Recht vor technische nderungen ohne Vorank ndigung vorzunehmen Documento no contractual Preocupado por la mejora constante de su material CIAT se reserva el derecho...

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CIAT Magister 2 Series, Installation, Operation, Commissioning, Maintenance

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