Carel uChiller UCHBD00001230 User Manual Download Page 1

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NO POWER

& SIGNAL

CABLES

TOGETHER

READ CAREFULLY IN THE TEXT!

hiller

+0300053EN - ENG

Up to date version available on

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hiller

Controller for Chiller / Heat Pump

ER MA

UAL

ENG

Summary of Contents for uChiller UCHBD00001230

Page 1: ...NO POWER SIGNAL CABLES TOGETHER READ CAREFULLY IN THE TEXT Chiller 0300053EN ENG Up to date version available on www carel com Chiller Controller for Chiller Heat Pump USER MANUAL ENG...

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Page 3: ...es and improvements to any product described in this document without prior warning The technical speci cations shown in the manual may be changed without prior warning The liability of CAREL in relat...

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Page 5: ...sor rotation 58 5 5 Compressor management 60 5 6 BLDC compressor protectors 62 5 7 BLDC comp alarm prevention 63 5 8 Compressor alarms 65 5 9 Power Speed drive 65 5 10 Expansion valve driver 66 5 11 C...

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Page 7: ...display communication via APPLICA app compatible with NFC and BTLE for mobile devices Temperature control PID at start up PID in operation Set point compensation on outdoor temperature Compressor rota...

Page 8: ...e pro les see the paragraph on Commissioning Connectivity NFC or NFC Bluetooth BLE based on the model allows inter action with mobile devices and simpli es unit commissioning after having installed th...

Page 9: ...to 100 C RH95 in air 150 C in a dry environment Tab 1 f Notice see manual 040010025 ITA ENG 040010026 FRE GER for guidelines on installing the sensors on the unit 1 3 5 Pressure sensors These measure...

Page 10: ...re also avoids the need to install a solenoid valve in the refrigeration circuit or a backup coil kit Fig 1 g 1 3 8 Ultracap module for unipolar valve EVD000HAC0 The Ultracap module EVD000HAC0 is an o...

Page 11: ...DIN MOLEX free connector and 100 cm cable kit UCHCONPMC0 Adapter kit for MCH2 Fig 1 j 1 3 11 Cables for LED displays DIN models only Part number Description ACS00CB000010 Display cable AX JST JST 3 M...

Page 12: ...tion and reduction of insulation 2 2 Panel version 2 2 1 Dimensions mm in 300053_002_R01 78 5 36 5 46 6 88 6 Drilling template 71x29 mm 74 7 84 9 Fig 2 a 2 2 2 Assembly Important before carrying out a...

Page 13: ...ions mm in 66 2 2 6 11 09 4 36 13 83 5 4 70 4 2 8 300053_005_R01 Apply slight pressure to the controller resting on the DIN rail until the rear tab clicks into place Fig 2 d 2 3 2 Removal Use a screwd...

Page 14: ...s NO4 Digital output relay 4 S5 Analogue input 5 J7 C Common for relay 5 S2 Analogue input 2 NO5 Digital output relay 5 Y2 Analogue output 2 J8 Unit terminal connector AX5 or PGR04 ID2 Digital input 2...

Page 15: ...ab 2 b Tab 2 c Notice O GND Notice if an ExV valve is connected an NTC temperature sensor must also be connected to read the gas suction temperature this sensor must be connected to one of the availab...

Page 16: ...connected to port J4 BMS the parameters must be set as shown in the following table Communication parameters User Display Code Description Value S x Hd00 BMS serial address 1 S x Hd01 BMS baud rate 3...

Page 17: ...emely damaging from the operator to the components do not secure the cables to the terminals by pressing the screwdriver with excessive force to avoid damaging the controller maximum tightening torque...

Page 18: ...volution twin shield power speed drive shield shield Master Slave 1 2 J4 BMS J3 J2 J5 FBus S1 S3 5V S2 Y2 Y1 ID1 ID2 ID3 ID5 ID4 S4 S6 V VL S5 J1 J7 G0 G J6 C C NO1 NO2 NO3 NO4 NO5 J8 J10 J14 J9 S7 ID...

Page 19: ...T3 Outside air temperature SL Liquid sightglass F1 User pump ow switch P1 Condensing pressure probe T4 Water delivery temperature to user V Solenoid valve T5 Water return temperature from user V1 The...

Page 20: ...eturn temperature Evaporation pressure circ 1 9 System water delivery temp System water return temperature 10 System water delivery temp 11 System water delivery temp Tab 2 h The meanings assigned to...

Page 21: ...gure the analogue outputs Analogue output Master configuration parameter Slave configuration parameter Y1 HC71 HC81 Y2 HC72 HC82 Tab 2 l The analogue input con guration parameters can have the follow...

Page 22: ...C2 E2 V2 T SL2 L2 CP1 CP2 P P P R2 T P AL AL AL1_C2 AL1_C1 P PU2 PU1 T T FL F2 T 1 2 G0 G C C NO1 NO2 NO3 NO4 NO5 J2 J3 S1 S3 5V S2 Y2 Y1 ID1 ID2 ID3 ID5 ID4 S4 S6 V VL S5 J4 BMS J5 FBus Circuit 1 Ci...

Page 23: ...ription Configuration parameters ID1 Pump 2 overload Hc16 U061 ID2 Compressor 1 overload Hc17 C035 ID3 High pressure switch C034 ID4 Not present Hc09 C035 U059 U058 U062 U057 U061 ID5 Not present Hc10...

Page 24: ...3 NO4 NO5 J8 J10 J14 J9 J11 C NO6 300053_141_R03 C1 E1 L1 F1 SL1 V1_C1 V1_C2 CP1 P T CP2 V2_C1 V2_C2 T C2 E2 V2 T SL2 L2 CP1 CP2 P P P T P AL AL AL1_C2 AL1_C1 P PU2 FCV T T FL F2 M T 1 2 Circuit 1 Cir...

Page 25: ...b Ingressi digitali Slave circuito 2 Ref Description Configuration parameters ID1 Pump 2 overload Hc16 U061 ID2 Compressor 1 overload Hc17 C035 ID3 High pressure switch C034 ID4 Not present Hc09 C035...

Page 26: ...J10 J14 J9 J11 C NO6 300053_142_R03 C1 E1 L1 F1 SL1 V1_C1 V1_C2 P T CP2 V2_C2 C2 E2 SL2 L2 CP1 CP2 P P P T P AL AL AL1_C2 AL1_C1 P PU2 PU1 T T FL F2 T 1 2 V2_C1 EVD evolution twin CP1 Circuit 1 Circu...

Page 27: ...U057 U061 Tab 2 ak Digital inputs Slave circuit 2 Ref Description Configuration parameters ID1 Pump 2 overload Hc16 U061 ID2 Compressor 1 overload Hc17 C035 ID3 High pressure switch C034 ID4 Not used...

Page 28: ...scription Ref Description C1 C2 Condenser 1 2 SL1 2 Liquid sightglass 1 2 4WV Reversing valve E1 E2 Evaporator 1 2 F1 2 Filter drier 1 2 P Pressure probe pressure switch V1_C1 Solenoid valve circuit 1...

Page 29: ...035 U059 U058 U062 U057 U061 Tab 2 at Digital inputs Slave circuit 2 Ref Description Configuration parameters ID1 Pump 2 overload Hc16 U061 ID2 Compressor 1 overload Hc17 C035 ID3 High pressure switch...

Page 30: ...J8 J10 J14 J9 J11 C NO6 300053_143_R03 C1 E1 L1 F1 SL1 V1_C1 V1_C2 CP1 P T CP2 R C2 E2 SL2 L2 CP1 CP2 P P P R T P AL AL AL1_C2 AL1_C1 P PU2 PU1 T T FL F2 T 1 2 V2_C2 V2_C1 Circuit 1 Circuit 2 2_Set T...

Page 31: ...ital inputs Slave circuit 2 Ref Description Configuration parameters ID1 Pump 2 overload Hc16 U061 ID2 Compressor 1 overload Hc17 C035 ID3 High pressure switch C034 ID4 Not present Hc09 C035 U059 U058...

Page 32: ...1 F1 SL1 V1_C1 V1_C2 P T CP2 V2_C2 C2 E2 SL2 L2 CP1 P P P T P AL AL AL1_C2 AL1_C1 P PU2 PU1 T T FL F2 T 1 2 V2_C1 EVD evolution twin CP1 Circuit 1 Circuit 2 4WV 4WV 2_Set T T S7 ID6 S7 ID6 0V 1 2 3 po...

Page 33: ...ation parameters ID1 Pump 2 overload Hc16 U061 ID2 Compressor 1 overload Hc17 C035 ID3 High pressure switch C034 ID4 Not present Hc09 C035 U059 U058 U062 U057 U061 ID5 Not present Hc10 C035 U059 U058...

Page 34: ...L S5 J1 J7 G0 G J6 C C NO1 NO2 NO3 NO4 NO5 J8 J10 J14 J9 J11 C NO6 300053_145_R03 C1 E L F1 SL V1 P T CP2 P AL AL P PU T T FL 1 V2 CP1 R 4WV 2_Set OEV T 0V 1 2 3 power speed drive T S7 ID6 Fig 2 ab Re...

Page 35: ...pressure switch C034 ID4 Not present Hc06 C035 U059 U058 U062 U057 U061 ID5 Remote alarm Hc07 C035 U059 U058 U062 U057 U061 ID6 2nd set point HC08 C035 U059 U058 U062 U057 U061 Tab 2 bt Digital output...

Page 36: ...ng to speci c needs recipes Once the Carel Applica app has been installed and opened see the paragraph Mobile device proceed as follows 1 For NFC devices move A the mobile device near to the Chiller u...

Page 37: ...Bluetooth devices access the Service menu by clicking the icon at the bottom right gure With NFC devices the Service menu is already displayed by default gure below Fig 3 b 2 click Set up Con guratio...

Page 38: ...the PREV NEXT buttons to scroll through all of the con guration parameter pages 2 apply the parameters con gured via NFC Bluetooth to the controller 3 2 3 Step 3 Configure the inputs outputs 1 click S...

Page 39: ...me setting Applica includes a feature for setting the date and time on Chiller in just one simple step copying the values from the mobile device Procedure 1 open Applica on the mobile device 2 access...

Page 40: ...tions saved by the user 2 accesses the con gurations prepared by Carel 3 accesses the saved clones 3 3 Unit set up parameter list 3 3 1 Unit parameters Notice follow the order shown in the table to co...

Page 41: ...alogue input 5 con guration Circuit 1 8 0 10 HC03 Analogue input 6 con guration Circuit 1 0 0 11 HC04 Analogue input 7 con guration Circuit 1 6 0 8 HC41 Analogue input 1 con guration Circuit 2 0 0 8 H...

Page 42: ...int 40 0 0 0 99 9 C F019 Hot keep di erential 5 0 0 0 99 9 K F020 Compressor request logic from digital input 0 NC 1 NO 1 0 1 F021 Mixed water outlet temperature probe calibration S1 expansion 0 0 99...

Page 43: ...to the USB RS485 converter 8 Con gure the connection parameters Baudrate 115200 Bits 8 Parity None Stop Bits Two Serial Node 1 as shown in the gure the data are saved automatically 9 Use Connect to co...

Page 44: ...currently saved on the connected Chiller to the newly created con guration 4 Select the Tags label and then the Unit_Cfg command 5 Change the parameters listed in the Con guration value column to con...

Page 45: ...e Export and assign a name to the con guration being saved 3 5 3 Applica Desktop date and time setting Applica Desktop can set the date and time on Chiller in just one simple step copying the values f...

Page 46: ...t access functions menu Code Description Def UoM Min Max Lev UoM Unit of measure 0 C barg 1 F psig 0 0 1 S Tab 4 a The information and parameters accessible from the terminal and from the Applica app...

Page 47: ...he unit is on the return water temperature when the unit is o it shows OFF Note bLE ashes on the display during Bluetooth communication 4 3 1 Dashboard From the main menu press DOWN to access informat...

Page 48: ...r 3 s to access the direct access functions set point switching unit on and o change operating mode cooling heating only on reverse cycle units select unit of measure In programming mode the bottom ro...

Page 49: ...to access the parameters with password protection UP and DOWN to scroll and set the parameters PRG to change the parameter value and save the changes PRG 3 s or ESC to return to the standard display 3...

Page 50: ...and refrigerant circuits 300053_122_R01 300053_129_R01 300053_123_R01 Category Src source identi ed by code Sxx these parameters all relate to control and management of the condenser source Category C...

Page 51: ...porator system and is in the order of a few tens of seconds slower with tube bundle evaporators faster with plate evaporators The following table shows the recommended values to be calibrated if neces...

Page 52: ...de temperature probe is tted The compensation positive or negative is determined by 1 start compensation start in cooling heating 2 end compensation threshold in cooling heating 3 maximum compensation...

Page 53: ...temperature alarm o set 10 0 0 0 99 9 K S U032 High water temperature alarm delay at start up 15 0 99 min S U033 High water temperature alarm delay in operation 180 0 999 s 300053_052_R01 t t Set poi...

Page 54: ...ion Management of a ow switch that monitors uid circulation in the system frost protection with unit o the pump is started so as to activate uid circulation when the unit is on the function is di sabl...

Page 55: ...ng even if a suction pressure probe is available If only the suction pressure probe is available then frost protection control will use the temperature converted from the pressure reading User Code De...

Page 56: ...the minimum temperature reached inside the evaporator When using refrigerants without glide or with minimum glide e g R410A R134a the value coincides with the pressure temperature conversion dew of t...

Page 57: ...is disabled The following table illustrates frost protection management on a case by case basis for units with two circuits For single circuit units management is practically the same with only the d...

Page 58: ...tion heater is also activated in the event of an frost protection alarm when the unit is ON after the unit and or circuit is stopped 5 4 Compressor rotation If there is just one compressor the tempera...

Page 59: ...f the BLDC compressor at maximum speed 5 4 3 Rotation due to alarm In the event of a compressor alarm the next compressor available will be switched on as a replacement if the temperature con trol req...

Page 60: ...BLDC compressors The type of BLDC compressor can be chosen from the list of compressors available on KSA ksa carel com Chiller section When selecting a speci c type of compressor the following paramet...

Page 61: ...dem BLDC oil equalisation A solenoid valve is activated to take the oil from the crankcase over ow on each compressor and put it back in circulation for example at the inlet to the common manifold If...

Page 62: ...Zone inside the operating limits the prevention function is still active to prevent operation outside of the limits 2a Maximum compression ratio 1 2b Maximum compression ratio 2 3 Maximum condensing p...

Page 63: ...imum evaporation temperature the algorithm follows the set point decreasing valve opening and therefore reducing the mass ow of refrigerant which in turn lowers the evaporation temperature This action...

Page 64: ...ction deviation AL High discharge temperature alarm zone Z3 Capacity reduction zone Z2 Acceleration control zone Z1 Normal operating zone Fig 5 o Device Description BLDC compressor 1 Decrease the rate...

Page 65: ...ssor o time 60 30 999 s M C014 Min time between consecutive compressor starts 360 300 999 s Compressor delay at start up in operatio Compressor start up is a critical phase Chiller thus manages certai...

Page 66: ...calculates the valve opening steps valve opening value sent to the valve driver If the EVD Evolution driver is o ine all the compressors are stopped immediately Dedicated electronic expansion valve p...

Page 67: ...onvert the 0 10 V analogue output into a relay control On the versions for DIN rail mounting relay NO6 is available and can be con gured as a fan output On O fans then need to be con gured User Code D...

Page 68: ...nt value is displayed on the dashboard Set point control In chiller mode a speci c condensing temperature set point for starting the compressor can be set to a value that is higher than the nominal se...

Page 69: ...and start hours 22 0 23 h S S022 Noise reduction time band start minutes 30 0 59 min S S023 Noise reduction time band end hours 8 0 23 h S S024 Noise reduction time band end minutes 30 0 59 min S S025...

Page 70: ...ntering the unit as shown in the following gure 300053_066_R01 DT SP FC OFF ON Temp Key FC Free cooling DT Hysteresis SP Activation di erential Temp User return temperature outside source temp Fig 5 u...

Page 71: ...ee cooling coil before entering the evaporator Free cooling capacity is controlled by modulating the speci c fan speed in combined operation free cooling mechanical cooling free cooling fan speed is a...

Page 72: ...three way free cooling valve is always open at 100 Inputs used To enable free cooling User return temperature Source inlet temperature To manage capacity in free cooling mode according to the control...

Page 73: ..._068_R01 FC gain 0 100 Reg ramp 0 Reg Cap 100 FC ramp Comp ramp FC gain Key Reg Cap Control capacity FC ramp Free cooling control ramp FC gain Dynamic gain of free cooling control Comp ramp Compressor...

Page 74: ...the reset threshold during the defrost start delay then the defrost starts It ends when the reference probe pressure transducer high pressure side condensing temperature in the graph exceeds the end...

Page 75: ...et by the corresponding parameter the electronic expansion valve remains at the maxi mum opening and the fans remain o The minimum maximum defrost time and minimum time between two consecutive defrost...

Page 76: ...and the unit returns to normal operation The start up time is reduced so as to quickly bring compressor speed in line with the request User Code Description Def Min Max UOM S S056 BLDC smart start dur...

Page 77: ...emperature decreases the time needed for a layer of ice to form that requires defrosting increases proportionally as the outside temperature decreases Consequently a function has been added enabled wh...

Page 78: ...ve when the pressure di erence is reached User Code Description Def Min Max UOM M S054 4 way valve pressure di erential for reversing 3 0 0 0 999 9 bar In the event of a power failure the controller r...

Page 79: ...ressor and or heater o U048 ON Cooling Not considered FALSE Disabled ON ON Cooling O TRUE Disabled OFF ON Cooling On call TRUE Disabled ON ON Cooling Not considered Not considered Enabled ON ON Heatin...

Page 80: ...set on set point in cooling mode for the heaters 1 0 0 0 99 9 K M F013 Di erential on set point in cooling mode for the heaters 0 5 0 2 99 9 K M F014 O set on set point in heating mode for the heater...

Page 81: ...to 0 and the devices are turned o Request via digital inputs There is a digital input for each compressor Activation of the digital input corresponds to a control step request The Chiller application...

Page 82: ...ing Fig 5 b 5 23 2 Mode 2 air return temperature A A units 300053_205_R01 U085 U085 SetU Heat Cool Outside Temp If the automatic changeover is set based on the air return tem perature the main tempera...

Page 83: ...U024 2nd heating set point 35 0 U008 U009 C F R W HR033 2R S U025 Remote set point analogue input 0 0 5V 1 0 10V 2 4 20 mV 0 0 2 R W HR035 S U026 Remote set point min value 5 0 99 9 999 9 C F R W HR0...

Page 84: ...1 R W CS080 S U079 Unit pump in standby On time 3 1 15 min R W HR709 S U080 Unit pump in standby O time 15 3 99 min R W HR710 S U081 Pressure alarm reset con guration 7 0 7 R W HR239 M U082 Frost prot...

Page 85: ...ure probe max value 45 0 0 0 99 9 bar psi R W HR202 2R M C043 Discharge temperature Probe type 0 NTC 1 NTC HT 1 0 1 R W 204 M C044 Enable destabilisation 0 1 No Yes 1 0 1 R W CS030 S C045 Refrigerant...

Page 86: ...80 0 K R R W HR117 2R S E013 LowSH in cooling Ti 10 0 0 0 800 0 s R W HR119 2R S E014 LowSH in heating threshold 1 0 40 0 180 0 K R R W HR121 2R S E015 LowSH in heating Ti 10 0 0 0 800 0 s R W HR123 2...

Page 87: ...lay threshold 1 0 S039 99 9 C F R W HR256 2R S S041 Defrost delay at start up 30 0 999 min R W HR258 S S042 Defrost end temperature 52 0 999 9 999 9 C F R W HR259 2R S S043 Enable sliding defrost 0 1...

Page 88: ...1 0 11 R W HR740 S Hc52 NO2 con guration 2 0 11 R W HR741 S Hc53 NO3 con guration 4 0 11 R W HR742 S Hc54 NO4 con guration 7 0 11 R W HR743 S Hc55 NO5 con guration 10 0 11 R W HR744 S Hc56 NO6 con gu...

Page 89: ...d User Display Code Description Def Min Max UOM R W Modbus U He00 User password 1000 0000 9999 S He01 Service password 2000 0000 9999 M He02 Manufacturer password 1234 0000 9999 M He03 Password for pr...

Page 90: ...99 h R IR040 2R S HFn2 Fan circuit 2 hour counter 0 99999 h R IR042 2R S x rps1 BLDC 1speed 0 999 9 rps R IR100 2R S x rps2 BLDC 2 speed 0 999 9 rps R IR181 2R S x Mc1 BLDC 1 current 0 99 9 A R IR102...

Page 91: ...BOOL R W Hd06 Enable power supply request from BMS 0 Disabled 1 Enabled 23 1 C001 BOOL R W C001 Comp 1 circ 1 reset hour counter 24 1 C004 BOOL R W C004 Comp 2 circ 1 reset hour counter 25 1 C007 BOO...

Page 92: ...h 25 1 A26 BOOL R Circuit 1 High pressure alarm from transducer 26 1 A27 BOOL R Circuit 1 Low pressure alarm from transducer 27 1 A28 BOOL R Circuit 1 Evaporation temperature probe frozen alarm 29 1 A...

Page 93: ...for circ 1 0 Cooling 1 Heating 124 1 BOOL R Oil equalisation valve circuit 1 status 125 1 BOOL R SrcFanCirc2_On Source fan circuit 2 status 0 OFF 1 ON 127 1 BOOL R UsrPmp2_On User pump 2 status 128 1...

Page 94: ...ial to reach unit rated capacity 91 2 U072 REAL 999 9 999 9 R W C F U072 Free cooling limit threshold used to close the FC valve because FC supplies water at very low temp 93 2 U073 REAL 0 99 9 R W K...

Page 95: ...rge pressure max probe value 204 1 C043 INT 0 1 R W C043 Discharge temp probe type 0 NTC 1 NTC HT 206 1 C046 INT 1 2 R W C046 Number of circuits on the unit 207 1 C047 INT 0 1 3 R W C047 Type of compr...

Page 96: ...rm 6 User pump 1 overload 297 1 Hc14 USINT 0 ID_CfgLim Max R W Hc14 Digital input 1 con guration 0 Not used 1 User ow switch 2 Comp 1 circuit 1 overload 3 Comp 2 circuit 1 overload 4 Remote ON OFF 5 C...

Page 97: ...unction disabled Tab 7 c 7 4 Input Register Index Size Ref Type Min Max R W UoM Description 0 2 HuP1 INT R h HuP1 User pump 1 operating hours 2 2 HuP2 INT R h HuP2 User pump 2 operating hours 4 2 H1C1...

Page 98: ...it 1 146 2 REAL R C F EnvPnt_Y8 Envelope point coordinates circuit 1 148 1 INT R Envelope zone circuit 2 149 2 REAL R C F EnvPnt2_X1 Envelope point coordinates circuit 2 151 2 REAL R C F EnvPnt2_Y1 En...

Page 99: ...t 4 high pressure switch and low pressure switch with manual reset frost with automatic reset 5 high pressure switch and low pressure switch with semi automatic reset frost with automatic reset 6 high...

Page 100: ...th user pump 2 active M Unit shutdown Serious unit Param U045 U046 A12 Unit user pump group M Unit shutdown Serious unit No A13 Unit user pump 1 maintenance A Fault Param U000 A14 Unit user pump 2 mai...

Page 101: ...high pressure switch Param U081 Circuit 2 shutdown Serious circuit 2 No A59 Circuit 2 high condensing pressure temperature transducer M Circuit 2 shutdown Serious circuit 2 No A60 Circuit 2 low press...

Page 102: ...male female Wire sizes see the connector table Plug in male female Wire sizes see the connec tor table Purpose of the controller Electrical operating control Electrical operating control User interfa...

Page 103: ...2 Not optically isolated 3 pin plug in connector 3 81 mm pitch Max data rate 115200 bit s Maximum number of connectable devices 16 Integrated Protocol Modbus HW driver asynchronous half duplex RS 485...

Page 104: ...al 3 pin pitch 3 81 0 081 1 31 500 J5 Fbus Plug in screw terminal 3 pin pitch 3 81 0 081 1 31 10 J6 Outputs NO1 NO2 NO3 NO4 6 pin Micro t crimp connector 0 5 1 31 10 J7 Output NO5 3 pin Micro t crimp...

Page 105: ...105 ENG chiller 0300053EN rel 2 2 14 12 2021 Release notes Notes...

Page 106: ...106 ENG chiller 0300053EN rel 2 2 14 12 2021 Notes...

Page 107: ......

Page 108: ...CAREL INDUSTRIES Headquarters Via dell Industria 11 35020 Brugine Padova Italy Tel 39 049 9716611 Fax 39 049 9716600 e mail carel carel com www carel com chiller 0300053EN rel 2 2 14 12 2021...

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