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Grundfos CUE, Installation And Operating Instructions Manual

The Grundfos CUE is a versatile and intelligent control unit designed to provide precision control and monitoring of water supply systems. For detailed information on installation and operation, download the free Installation and Operating Instructions Manual from our website, ensuring seamless usage of this technological marvel.

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12.5 Dimensions and weights

12.5.1 Enclosures A2-A5, B1-B4 and C1-C4

TM039000

Dimensions for enclosures A2 and A3

TM039000

Dimensions for enclosures A2 and A3

Enclosure

Max. height [mm]

Max. width [mm]

Max. depth [mm]

Screw holes [mm]

Weight [kg]

A

a

B

b

C

C

c

∅

d

∅

e

f

A2

268

257

90

70

205

219

8

11

5.5

9

4.9

IP21/NEMA1

375

350

90

70

205

219

8

11

5.5

9

5.3

A3

268

257

130

110

205

219

8

11

5.5

9

6.6

IP21/NEMA1

375

350

130

110

205

219

8

11

5.5

9

7

A4

420

401

200

171

175

175

8.2

12

6.5

6

9.2

A5

420

402

242

215

200

200

8.2

12

6.5

9

14

B1

480

454

242

210

260

260

12

19

9

9

23

B2

650

624

242

210

260

260

12

19

9

9

27

B3

399

380

165

140

248

262

8

12

6.8

7.9

12

IP21/NEMA1

475

-

165

-

249

262

8

12

6.8

7.9

-

B4

520

495

231

200

242

242

-

-

8.5

15

23.5

IP21/NEMA1

670

-

255

-

246

246

-

-

8.5

15

-

C1

680

648

308

272

310

310

12

19

9

9.8

45

C2

770

739

370

334

335

335

12

19

9

9.8

65

C3

550

521

308

270

333

333

-

-

8.5

17

35

IP21/NEMA1

755

-

329

-

337

337

-

-

8.5

17

-

C4

660

631

370

330

333

333

-

-

8.5

17

50

IP21/NEMA1

950

-

391

-

337

337

-

-

8.5

17

-

Related information

5.3 Mounting

41

English (GB)

Summary of Contents for CUE

Page 1: ...Installation and operating instructions CUE Data booklet English http net grundfos com qr i 96706948 CUE Safety instructions all available languages http net grundfos com qr i 99674140 GRUNDFOS INSTRUCTIONS ...

Page 2: ......

Page 3: ...ες εγκατάστασης και λειτουργίας 343 Magyar HU Telepítési és üzemeltetési utasítás 386 Italiano IT Istruzioni di installazione e funzionamento 429 Lietuviškai LT Įrengimo ir naudojimo instrukcija 472 Latviešu LV Uzstādīšanas un ekspluatācijas instrukcija 514 Nederlands NL Installatie en bedieningsinstructies 556 Polski PL Instrukcja montażu i eksploatacji 599 Português PT Instruções de instalação e...

Page 4: ... Enclosure 34 12 2 Operating conditions 34 12 3 Mechanical data 34 12 4 Electrical data 40 12 5 Dimensions and weights 41 12 6 Miscellaneous data 44 13 Disposing of the product 45 1 General information Read this document before you install the product Installation and operation must comply with local regulations and accepted codes of good practice 1 1 Hazard statements The symbols and hazard state...

Page 5: ...4 1 A 2 8 kVA CHASSIS IP20 Tamb 45C 122F IIIIIIIIIIIBAR CODEIIIIIIIIIII MADE IN DENMARK Listed 76X1 E134261 Ind Contr Eq See manual for prefuse CAUTION SEE MANUAL VOIR MANUEL WARNING STORED CHARGE DO NOT TOUCH UNTIL 4 MIN AFTER DISCONNECTION CHARGE RESIDUELLE ATTENDRE 4 MIN APRES DECONNEXION 1 5 kW 400V TM043272 Example of nameplate Text Description T C CUE product name 202P1M2 internal code Prod ...

Page 6: ...sed as a safety switch The STO function does not prevent unwanted movement from external forces on the motor for example back pressure and the motor shaft must be covered Always observe local regulations concerning cable cross section short circuit protection and overcurrent protection The general safety necessitates special considerations as to these aspects fuses and switches for overcurrent and...

Page 7: ... below Ambient temperature up to 50 C 122 F The CUE cabinet must be hung directly on the wall or fitted with a back plate TM038859 CUE hung directly on the wall or fitted with a back plate Required free space above and below the CUE cabinet Enclosure Space mm in A2 A3 A4 A5 100 3 9 B1 B2 B3 B4 C1 C3 200 7 9 C2 C4 D1h D2h D5h D7h 225 8 9 5 3 Mounting The user is responsible for mounting CUE securel...

Page 8: ...ock Minor or moderate personal injury CUE must be earthed correctly and protected against indirect contact according to local regulations The leakage current to protective earth exceeds 3 5 mA and a reinforced earth connection is required Protective conductors must always have a yellow and green PE or yellow green and blue PEN colour marking Instructions according to EN IEC 61800 5 1 CUE must be s...

Page 9: ... about not twisting the screen ends Use cable clamps or EMC screwed cable entries instead Connect the screen to frame at both ends for both motor and signal cables See the figure below with an example of connection of a 3 conductor bus cable with screen connected at both ends If the controller has no cable clamps connect only the screen to the CUE cabinet See the figure below with an example of co...

Page 10: ...with Grundfos motor MG71 and MG80 up to and including 1 5 kW 2 hp 0 300 m Applications with desired reduction of dU dt and noise emission low reduction 0 150 m Applications with desired reduction of dU dt voltage peaks and noise emission high reduction 0 300 m Pump type dU dt filter Sine wave filter Applications with motors of 500 V and up 0 300 m The lengths stated apply to the motor cable 6 4 Mo...

Page 11: ...hase mains supply 92 L2 93 L3 95 99 PE Protective earth connection 96 U Three phase motor connection 0 100 of mains voltage 97 V 98 W For single phase connection use L1 and L2 6 5 3 Mains connection enclosures A2 and A3 Check that the mains voltage and frequency correspond to the values on the nameplate of CUE and the motor Enclosure Torque Nm ft lb Mains Motor Protective earth Relay A2 1 8 1 3 1 ...

Page 12: ... and 93 L3 of the mains plug 3 Insert the mains plug into the socket marked MAINS 4 Fix the mains cable with a cable clamp TM039017 Mains connection A4 and A5 For single phase connection use L1 and L2 6 5 6 Motor connection enclosures A4 and A5 1 Connect the earth conductor to terminal 99 PE See the figure below 2 Connect the motor conductors to terminals 96 U 97 V and 98 W of the motor plug 3 Ins...

Page 13: ... B3 and B4 6 5 10 Motor connection enclosures B3 and B4 1 Connect the earth conductor to terminal 99 PE See the figures below 2 Connect the motor conductors to terminals 96 U 97 V and 98 W 3 Fix the screened cable with a cable clamp 1 2 TM039446 Mains and motor connection B3 Pos Description 1 Mains 2 Motor TM039449 Mains and motor connection B4 Related information 6 5 9 Mains connection enclosures...

Page 14: ... motor connections for enclosures C3 and C4 2 Connect the mains conductors to terminals 91 L1 92 L2 and 93 L3 3 Fix the mains cable with a cable clamp Related information 6 5 14 Motor connection enclosures C3 and C4 6 5 14 Motor connection enclosures C3 and C4 1 Connect the earth conductor to terminal 99 PE See the figure below 2 Connect the motor conductors to terminals 96 U 97 V and 98 W 3 Fix t...

Page 15: ... 6 0 4 1 Connect the earth conductor to terminal 95 PE 2 Connect the mains conductors to terminals 91 L1 92 L2 and 93 L3 3 Fix the mains cable with a cable clamp 6 5 17 Motor connection enclosures D1h D2h D5h and D7h Take the following terminal positions into consideration when you design the cable connection 1 Connect the earth conductor to terminal 99 PE See the figures below 2 Connect the motor...

Page 16: ...fety control system appropriately to achieve the desired level of operational safety Before integrating and using STO in an installation carry out a thorough risk analysis on the installation to determine whether the STO functionality and safety levels are appropriate and sufficient 12 37 1 3 FC 4 2 TM074594 STO wiring Pos Description 1 Reset button 2 Safety relay category 3 PL d or SIL2 3 Emergen...

Page 17: ...es operational again 6 7 Connecting the signal terminals As a precaution signal cables must be separated from other cable groups by reinforced insulation in their entire lengths Connect the signal cables according to the guidelines for good practice to ensure EMC correct installation Use screened signal cables with a cable cross section of minimum 0 5 mm2 and maximum 1 5 mm2 Use a 3 conductor scre...

Page 18: ... 4 20 mA 55 GND Common frame for analog inputs 61 RS 485 GND Y GENIbus frame 68 RS 485 A GENIbus signal A 69 RS 485 B GENIbus signal B The RS 485 screen must be connected to the frame 6 7 2 Connection of a thermistor PTC to CUE A PELV circuit provides protection against electric shock Special connection requirements apply to this type of circuit The requirements are described in EN 61800 5 1 In or...

Page 19: ...ry setting of the inputs is voltage signal U If a 0 4 20 mA sensor is connected to terminal 54 the input must be set to current signal I Switch off the power supply before setting contact A54 Remove the operating panel to set the contact See the figure below U I A53 U I A54 TM039104 Setting contact A54 to current signal I 6 7 2 4 RS 485 GENIbus network connection One or more CUE units can be conne...

Page 20: ...801 Terminals for signal relays in normal state not activated Terminal Function C 1 C 2 Common NO 1 NO 2 Normally open contact NC 1 NC 2 Normally closed contact 6 8 1 Access to signal relays The relay outputs are positioned as shown in the figures below TM039007 Terminals for relay connection A2 and A3 TM039008 Terminals for relay connection A4 A5 B1 and B2 TM039009 Terminals for relay connection ...

Page 21: ...ust not exceed 30 Ω 1 2 3 4 5 6 7 8 9 10 11 12 A B TM075432 Wiring diagram MCB 114 Terminal Type Function 1 VDO 24 V out Supply to sensor 2 I IN AI 3 Sensor 2 0 4 20 mA 3 GND GND Common frame for analog input 4 TEMP 5 WIRE AI 4 Temperature sensor 1 Pt100 Pt1000 6 GND GND Common frame for temperature sensor 1 7 TEMP 8 WIRE AI 5 Temperature sensor 2 Pt100 Pt1000 9 GND GND Common frame for temperatur...

Page 22: ...onverter and the motor 7 1 Switching on the product Confirm that the input voltage is balanced within 3 If not correct the input voltage imbalance before proceeding Repeat this procedure after the voltage correction Make sure that the wiring of any optional equipment matches the installation application Make sure that all operator devices are in the OFF position The panel doors must be closed and ...

Page 23: ...nals or serial communication 11 OFF OFF stops the motor but does not remove power to the frequency converter 12 HAND ON HAND ON starts the frequency converter in local control An external stop signal by control input or serial communication overrides the local HAND ON function 13 ALARM Red A fault condition causes the red alarm light to flash and an alarm text is displayed 14 WARN Yellow When warn...

Page 24: ...dent 29 2 Derag Power Tuning 1 6 Load Depen Setting 15 8 Operating Data II 29 4 Pre Post Lube 1 7 Start Adjustments 15 9 Parameter Info 30 Special Features 1 8 Stop Adjustments 16 Data Readouts 30 2 Adv Start Adjust 1 9 Motor Temperature 16 0 General Status 35 Sensor Input Option 2 Brakes 16 1 Motor Status 35 0 Temp Input Mode 2 0 DC Brake 16 3 Drive Status 35 1 Temp Input X48 4 2 1 Brake Energy F...

Page 25: ... Minimum and maximum curves The pump speed is kept at a given set value for minimum and maximum speed Pos 1 Minimum Pos 2 Maximum Examples Maximum curve operation can for instance be used in connection with venting the pump during installation Minimum curve operation can for instance be used in periods with a very small flow rate requirement 8 5 Control modes The control mode is set in the Favouri...

Page 26: ...g panel 8 2 Menu overview 9 1 First time setup via the startup guide The startup guide starts automatically the first time the product is switched on or after startup of the frequency converter The guide enables quick configuration of basic pump and application parameters Make sure that the equipment connected is ready for startup Make sure that CUE is connected to the power supply Make sure that ...

Page 27: ...tion time 9 Enter the ramp time between 0 RPM and the minimum speed 1 1 Enter the acceleration time used below min Speed 1 00s Start up Guide TM077511 Initial ramp time 10 The direction of rotation is set for CUE by default If needed double check the direction of rotation by selecting Yes and follow the coming steps If Other pump type is selected there are two screens after the direction check Min...

Page 28: ...to LCP to upload data to the operating panel or select 2 All from LCP to download data from the operating panel 4 Press OK A progress bar shows the uploading or downloading progress 9 3 Setting an asynchronous motor To set an asynchronous motor manually in the Main menu enter the following motor data available on the motor nameplate 1 20 Motor Power kW or 1 21 Motor Power HP 1 22 Motor Voltage 1 2...

Page 29: ... at 1000 RPM Enter the line to line back EMF of the PM motor at 1000 RPM mechanical speed RMS value Back EMF is the voltage generated by a PM motor when no frequency converter is connected and the shaft is turned externally Back EMF is normally specified for nominal motor speed or for 1000 RPM measured between two lines If the value is not available for a motor speed of 1000 RPM calculate the corr...

Page 30: ...tal even after CUE has been switched off Conduct a functional test every 12 months to detect any failure or malfunction of the STO functionality To conduct the functional test perform the following steps Remove the 24 V DC voltage supply at terminal 37 Check if the operating panel displays the alarm Safe Stop A68 Verify that the frequency converter trips the unit Verify that the motor is coasting ...

Page 31: ...match 16 Short circuit 17 Control word timeout 18 Start failed 21 Parameter error 23 Internal fan fault 24 External fan fault 25 Brake resistor short circuit 26 Brake resistor power limit 27 Brake chopper fault 28 Brake check failed 29 Heat sink temperature 30 Motor phase U missing 31 Motor phase V missing 32 Motor phase W missing 33 Inrush fault 34 Fieldbus communication fault 35 Option fault 36 ...

Page 32: ... 1 safe stop 72 Dangerous failure 76 Power unit setup 77 Reduced power mode 79 Illegal power section configuration 80 Drive initialised to default value 81 CSIV corrupt 82 CSIV parameter error 90 Feedback monitor 91 Analog input 54 wrong settings 92 No flow 93 Dry pump 94 End of curve 96 Start delayed 97 Stop delayed 98 Clock fault 99 Locked rotor 100 Derag limit fault 104 Mixing fan fault 148 Sys...

Page 33: ...t signal is outside range 2011 Sensor 1 is outside range 2012 Sensor 2 is outside range 2013 Temperature sensor 1 is outside range 2014 Temperature sensor 2 is outside range 2016 Limit 1 is exceeded 2017 Limit 2 is exceeded 1 This warning or alarm cannot be auto reset via parameter selection Related information 9 10 Starting the system 33 English GB ...

Page 34: ...perature over a period of 24 hours Max 45 C 113 F Minimum ambient temperature at full operation 0 C 32 F Minimum ambient temperature at reduced operation 10 C 14 F Temperature during storage and transport 25 to 65 C 13 to 149 F Storage duration Max 6 months Maximum altitude above sea level without performance reduction 1000 m 3280 ft Maximum altitude above sea level with performance reduction 3000...

Page 35: ...ocal regulations on cable cross sections 12 3 3 Cable cross sections to signal terminals Maximum cable cross section to signal terminals rigid conductor 1 5 mm2 14 AWG Maximum cable cross section to signal terminals flexible conductor 1 0 mm2 18 AWG Minimum cable cross section to signal terminals 0 5 mm2 20 AWG Related information 6 1 2 Protection against short circuit fuses 35 English GB ...

Page 36: ... 4 3 4 32 gG 4 3 7 5 32 gG 4 5 5 7 5 63 gG 10 7 5 10 63 gG 10 11 15 63 gG 10 15 20 80 gG 35 18 5 25 125 gG 50 22 30 125 gG 50 30 40 160 gG 50 37 50 200 aR 95 45 60 250 aR 120 3 x 380 500 V 0 55 0 75 10 gG 4 0 75 1 10 gG 4 1 1 1 5 10 gG 4 1 5 2 10 gG 4 2 2 3 20 gG 4 3 4 20 gG 4 4 5 20 gG 4 5 5 7 5 32 gG 4 7 5 10 32 gG 4 11 15 63 gG 10 15 20 63 gG 10 18 5 25 63 gG 10 22 30 63 gG 35 30 40 80 gG 35 37...

Page 37: ...gG 50 75 100 225 aR 150 90 125 250 aR 150 3 x 525 690 V 11 15 63 gG 35 15 20 63 gG 35 18 5 25 63 gG 35 22 30 63 gG 35 30 40 63 gG 35 37 50 80 gG 95 45 60 100 gG 95 55 75 125 gG 95 75 100 160 gG 95 90 125 160 gG 95 110 150 225 2 70 132 200 250 2 70 160 250 350 2 70 200 300 400 2 185 250 350 500 2 185 1 Screened motor cable unscreened supply cable Related information 4 4 2 Reduction in connection wi...

Page 38: ...028220 200 L25S 200 A25X 200 A25X 200 4 0 45 60 FWX 250 2028220 250 L25S 250 A25X 250 A25X 250 250 MCM 3 x 380 500 V 0 55 0 75 KTS R10 JKS 10 JJS 10 5017906 010 KTN R10 ATM R10 A2K 10R 10 0 75 1 KTS R10 JKS 10 JJS 10 5017906 010 KTN R10 ATM R10 A2K 10R 10 1 1 1 5 KTS R10 JKS 10 JJS 10 5017906 010 KTN R10 ATM R10 A2K 10R 10 1 5 2 KTS R10 JKS 10 JJS 10 5017906 010 KTN R10 ATM R10 A2K 10R 10 2 2 3 KT...

Page 39: ... 60 JKS 60 JJS 60 5014006 063 KLS R 060 A6K 60 R 2 37 50 KTS R 80 JKS 80 JJS 80 5014006 080 KLS R 075 A6K 80 R 2 45 60 KTS R 100 JKS 100 JJS 100 5014006 100 KLS R 100 A6K 100 R 1 55 75 KTS R 125 JKS 125 JJS 125 2028220 125 KLS R 125 A6K 125 R 1 75 100 KTS R150 JKS 150 JJS 150 2028220 150 KLS R 150 A6K 150 R 300 MCM 90 125 KTS R175 JKS 175 JJS 175 2028220 200 KLS R 175 A6K 175 R 300 MCM 3 x 525 690...

Page 40: ... relays Relay 01 terminal number 1 C 2 NO 3 NC Relay 02 terminal number 4 C 5 NO 6 NC Maximum terminal load AC 1 1 240 VAC 2 A Maximum terminal load AC 15 1 240 VAC 0 2 A Maximum terminal load DC 1 1 50 VDC 1 A Minimum terminal load 24 VDC 10 mA 24 VAC 20 mA 1 IEC 60947 parts 4 and 5 C Common NO Normally open NC Normally closed The relay contacts are galvanically separated from other circuits by r...

Page 41: ...5 219 8 11 5 5 9 7 A4 420 401 200 171 175 175 8 2 12 6 5 6 9 2 A5 420 402 242 215 200 200 8 2 12 6 5 9 14 B1 480 454 242 210 260 260 12 19 9 9 23 B2 650 624 242 210 260 260 12 19 9 9 27 B3 399 380 165 140 248 262 8 12 6 8 7 9 12 IP21 NEMA1 475 165 249 262 8 12 6 8 7 9 B4 520 495 231 200 242 242 8 5 15 23 5 IP21 NEMA1 670 255 246 246 8 5 15 C1 680 648 308 272 310 310 12 19 9 9 8 45 C2 770 739 370 3...

Page 42: ...12 5 2 Enclosures D1h D2h D5h and D7h TM059331 Dimensions for enclosures D1h and D2h 42 English GB ...

Page 43: ...b B DETAIL B DETAIL A ø d ø e C A a B A c TM077501 Dimensions for enclosure D5h 43 English GB ...

Page 44: ...280 386 20 11 11 25 200 Shipping dimensions Enclosure Max height mm Max width mm Max depth mm Weight kg D1h 990 455 570 75 D2h 1210 550 570 125 D5h 1820 510 665 130 D7h 2460 585 675 215 12 6 Miscellaneous data 12 6 1 Sound pressure level The sound pressure level of CUE is maximum 70 dB A The sound pressure level of a motor controlled by a frequency converter may be higher than that of a correspond...

Page 45: ...E 10 Low Demand Mode Safe Failure Fraction SFF 99 Hardware Fault Tolerance HFT 0 1oo1 Proof Test Interval T1 20 years Mission time TM 20 years Reaction time Input to output response time Maximum 20 ms 13 Disposing of the product This product or parts of it must be disposed of in an environmentally sound way 1 Use the public or private waste collection service 2 If this is not possible contact the ...

Page 46: ...Aju Building 679 5 Yeoksam dong Kangnam ku 135 916 Seoul Korea Tel 82 2 5317 600 Fax 82 2 5633 725 Latvia SIA GRUNDFOS Pumps Latvia Deglava biznesa centrs Augusta Deglava ielā 60 LV 1035 Rīga Tel 371 714 9640 7 149 641 Fax 371 914 9646 Lithuania GRUNDFOS Pumps UAB Smolensko g 6 LT 03201 Vilnius Tel 370 52 395 430 Fax 370 52 395 431 Malaysia GRUNDFOS Pumps Sdn Bhd 7 Jalan Peguam U1 25 Glenmarie ind...

Page 47: ...ademarks displayed in this material including but not limited to Grundfos the Grundfos logo and be think innovate are registered trademarks owned by The Grundfos Group All rights reserved 2021 Grundfos Holding A S all rights reserved ...

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