Grundfos CRE-DP Installation And Operating Instructions Manual Download Page 38 | Manualshive

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Summary of Contents for CRE-DP

Page 1: ...GRUNDFOS INSTRUCTIONS CRE DP Permanent Magnet MLE motor Installation and operating instructions ...

Page 2: ...2 ...

Page 3: ...3 Table of contents CRE DP English US Installation and operating instructions 4 Appendix 36 ...

Page 4: ...use or any other causes There are no express or implied warranties including merchantability or fitness for a particular purpose which extend beyond those warranties described or referred to above Some jurisdictions do not allow the exclusion or limitation of incidental or consequential damages and some jurisdictions do not allow limitations on how long implied warranties may last Therefore the ab...

Page 5: ...be taken A red or grey circle with a diagonal bar possibly with a black graphical symbol indicates that an action must not be taken or must be stopped If these instructions are not observed it may result in malfunction or damage to the equipment Tips and advice that make the work easier AI Analog input AL Alarm out of range at lower limit AO Analog output AU Alarm out of range at upper limit CIM C...

Page 6: ...xed objects See fig 1 Fig 1 Minimum distance D from the motor to a wall or other fixed objects 4 1 6 Outdoor installation The enclosure class of MLE motor is a NEMA 3 rating If you install the motor outdoors provide the motor with a suitable cover and open the drain holes to avoid condensation on the electronic components See fig 2 WARNING Falling objects Death or serious personal injury Secure th...

Page 7: ...ransients The motor is protected against power supply voltage transients in accordance with EN 61800 3 Motor protection The motor requires no external motor protection The motor incorporates thermal protection against slow overloading and blocking 4 2 2 Cable requirements Cable cross section Single phase supply Three phase supply Conductors Type Stranded or solid copper conductors Temperature rati...

Page 8: ... this is the separated ground conductor which must be so long that it is the last one to be disconnected in case the cable is inadvertently pulled out of the cable entry In order to avoid loose connections make sure that you have pressed home the terminal block for L1 L2 and L3 in its socket when you connect the supply cable For maximum backup fuse see 10 4 1 Supply voltage Fig 6 Example of a powe...

Page 9: ...ave a number of inputs and outputs enabling the pumps to be used in advanced applications where many inputs and outputs are required The pumps have these connections three analog inputs one analog output two dedicated digital inputs two configurable digital inputs or open collector outputs Grundfos Digital Sensor input and output two Pt100 1000 inputs two LiqTec sensor inputs two signal relay outp...

Page 10: ... OC DI GND NC C2 NO NC C1 NO 5 V 19 Pt100 1000 input 2 Pt100 1000 sensor input 17 Pt100 1000 input 1 Pt100 1000 sensor input 12 AO Analog output 0 20 mA 4 20 mA 0 10 V 9 GND Ground 14 AI3 Analog input 0 20 mA 4 20 mA 0 10 V 1 DI2 Digital input configurable 21 LiqTec sensor input 1 LiqTec sensor input white conductor 20 GND Ground brown and black conductors 22 LiqTec sensor input 2 LiqTec sensor in...

Page 11: ... Normally open contact NC Normally closed contact Signal relay 2 PELV only C2 Common NO Normally open contact 10 DI3 OC1 Digital input output configurable Open collector Max 24 V resistive or inductive 4 AI1 Analog input 0 20 mA 4 20 mA 0 5 3 5 V 0 5 V 0 10 V 2 DI1 Digital input configurable 5 5 V Supply to potentiometer and sensor 6 GND Ground A GENIbus A GENIbus A Y GENIbus Y GENIbus GND B GENIb...

Page 12: ...n cable New installations For the bus connection use a screened 3 core cable with a cross sectional area of minimum 28 AWG and maximum 16 AWG If the motor is connected to a unit with a cable clamp which is identical to the one on the motor connect the screen to this cable clamp If the unit has no cable clamp leave the screen unconnected at this end See fig 11 Fig 11 Connection with screened 3 core...

Page 13: ...and tighten securing screw fig 16 A to 1 3 Nm 6 Make the electrical connections to the CIM module as described in the instructions delivered with the module 7 Connect the cable screens of the bus cables to ground via one of the ground clamps fig 18 A Fig 18 Connecting the cable screens to ground DANGER Electric shock Death or serious personal injury Switch off the power supply to the motor and to ...

Page 14: ...ng the screws 2 Remove the terminal box cover Fig 22 Removing the terminal box cover 3 Press and hold in the two locking tabs A while gently lifting the plastic cover B Fig 23 Lifting the plastic cover 4 Turn the plastic cover 180 TM06 4085 1515 TM05 7028 0413 Make sure that the terminal box cover is aligned with the control panel See section 4 4 Changing the position of the control panel FCC DANG...

Page 15: ...nstant other value The pumps have been factory set to constant curve control mode You can change the control mode with R100 or Grundfos GO 5 1 2 Pumps with factory fitted pressure sensor The pumps have a built in PI controller and are set for a pressure sensor enabling the control of the outlet pressure The pumps have been factory set to constant pressure control mode The pumps are typically used ...

Page 16: ...panel in the Module type menu under Status Motor nameplate You can identify the fitted control panel on the motor nameplate See fig 28 Fig 28 Identification of control panel 5 3 Bus signal The pump supports serial communication via an RS 485 input The communication is carried out according to the Grundfos GENIbus protocol and enables connection to other pumps as well as a building management syste...

Page 17: ...ight is permanently on Warning The pump is stopped The two opposite red indicator lights flash simultaneously Alarm The pump is stopped The green indicator light in the middle flashes quickly four times This is a feedback signal which the pump gives in order to ensure identification of itself The green indicator light in the middle flashes continuously Grundfos GO or another pump is trying to comm...

Page 18: ...l Min or Max Warning but the pump runs in Manual mode Yellow rotating Manual Warning but the pump was stopped via a Stop command Yellow steady Stop Alarm but the pump is running Red rotating Normal Min or Max Alarm but the pump runs in Manual mode Red rotating Manual The pump is stopped due to an alarm Red flashing Stop The pump is stopped due to Low flow stop function Green steady Normal NC NO C ...

Page 19: ...They change value settings Note If you have disabled the possibility to make settings with the Enable disable settings function then you can enable it again temporarily by pressing these buttons simultaneously for at least 5 seconds See section 7 29 Buttons on product Enable disable settings It saves changed values resets alarms and expands the value field It enables radio communication with Grund...

Page 20: ...defined parameters You can select parameters shown as shortcut icon and when pressing you go directly to the Settings display for the selected parameter 2 Status This menu shows the status of the pump and system as well as warnings and alarms 3 Settings This menu gives access to all setting parameters You can make detailed settings of the pump in this menu See section 7 Description of functions 4 ...

Page 21: ... mode 8 1 4 Control mode 23 Operating range 8 1 12 Operating range 26 Pump number 8 1 14 Pump number 27 Radio communication Analog input 1 8 1 6 Analog inputs 24 Analog input 2 Analog input 3 Pt100 1000 input 1 8 1 7 Pt100 1000 inputs 24 Pt100 1000 input 2 Digital input 1 8 1 8 Digital inputs 25 Digital input 2 Digital in output 3 8 1 9 Digital inputs outputs 25 Digital in output 4 Analog output 8...

Page 22: ...English US 22 Alarms and warnings Alarm log Warning log Reset alarm button Assist Assisted pump setup Assisted fault advice Multi pump setup Product information Product information ...

Page 23: ...nst curve constant curve The setpoint for all control modes can be changed in the Setpoint submenu under Settings when the desired control mode has been selected Proportional pressure The pump head is reduced at decreasing water demand and increased at rising water demand See fig 34 This control mode is especially suitable in systems with relatively large pressure losses in the distribution pipes ...

Page 24: ...input Unit Available measuring units Electrical signal Select signal type 0 5 3 5 V 0 5 V 0 10 V 0 20 mA or 4 20 mA Sensor range min value Set the min value of the connected sensor Sensor range max value Set the max value of the connected sensor 8 1 7 Pt100 1000 inputs Available inputs depending on the functional module fitted in the pump Function The Pt100 1000 inputs can be set to these function...

Page 25: ...s from section A stop command will always have the highest priority 8 1 9 Digital inputs outputs Available inputs outputs depending on the functional module fitted in the pump To set up a digital input output make the settings below Mode The digital input output 3 and 4 can be set to act as digital input or digital output Digital input Digital output Function The digital input output 3 and 4 can b...

Page 26: ...either via one of the analog inputs or if an advanced functional module is fitted via one of the Pt100 1000 inputs If more than one input has been set up for setpoint influence the function will select the analog input with the lowest number for example Analog input 2 and ignore the other inputs for example Analog input 3 or Pt100 1000 input 1 Example See fig 40 At a lower sensor value of 0 bar a ...

Page 27: ...2 1 Alternating operation Only one pump is operating at a time The change from one pump to the other depends on time or energy If a pump fails the other pump will take over automatically Pump system Two pumps connected in parallel The pumps must be of the same type and size Each pump requires a non return valve in series with the pump 8 2 2 Back up operation One pump is operating continuously The ...

Page 28: ...ty of water flows for example boiler heat exchanger and distribution pipe up to the first branching or modified to a high differential temperature between flow pipe and return pipe for example district heating Underfloor heating systems with thermostatic valves One pipe heating systems with thermostatic valves or pipe balancing valves Primary circuit pumps in systems with small pressure losses in ...

Page 29: ...r 4 Turn the plastic cover 180 Fig 46 Turning the plastic cover 5 Re position the plastic cover correctly on the four rubber pins pos C Make sure that the locking tabs pos A are placed correctly Fig 47 Re positioning the plastic cover 6 Fit the terminal box cover and make sure that it is also turned 180 so that the buttons on the control panel are aligned with the buttons on the plastic cover Tigh...

Page 30: ...undfos GO Remote If two or more functions are enabled at the same time the motor will operate according to the function with the highest priority Example If via the digital input the motor has been set to max speed the motor control panel or the Grundfos GO Remote can only set the motor to Manual or Stop The priority of the settings appears from the table below If the bus communication is interrup...

Page 31: ...ontinuous operation at higher temperatures reduces the expected product life If the motor is to operate at ambient temperatures between 122 F 50 C and 140 F 60 C select an oversized motor Contact Grundfos for further information 10 1 3 Installation altitude Installation altitude is the height above sea level of the installation site Motors installed up to 3280 ft 1000 m above sea level can be load...

Page 32: ... 5 mA AC Ground leakage current less than 10 mA DC The leakage currents are measured in accordance with EN 61800 5 1 2007 10 4 Technical data three phase motors 10 4 1 Supply voltage 3 x 440 480 V 10 10 50 60 Hz PE Check that the supply voltage and frequency correspond to the values stated on the nameplate Recommended fuse size Standard as well as quick blow or slow blow fuses may be used 3 x 200 ...

Page 33: ...otection Yes Change to voltage signal Measurement tolerance 0 3 of full scale maximum point coverage Screened cable 0 5 1 5 mm2 28 16 AWG Maximum cable length 500 m excluding potentiometer Potentiometer connected to 5 V GND any AI Use maximum 10 kΩ Maximum cable length 100 m Analog output AO Current sourcing capability only Voltage signal Range 0 10 VDC Minimum load between AO and GND 1 kΩ Short c...

Page 34: ...ided Torques Motor Hp kW Emission category 1450 2000 min 1 2900 4000 min 1 4000 5900 min 1 0 33 0 25 C1 C1 1 2 0 37 C1 C1 3 4 0 55 C1 C1 1 0 75 C1 C1 1 1 2 1 1 C1 C1 2 1 5 C1 C1 3 2 2 C1 C1 5 4 C1 C1 7 1 2 5 5 C3 C1 C1 10 7 5 C3 C1 C3 C1 15 11 C3 C1 Motor Hp kW Supply voltage Number and size of cable entries 1 2 2 0 37 1 5 1 x 200 240 V 50 60 Hz 3 x 200 240 V 60 Hz 3 x 440 480 V 50 60 Hz 4 x NPT 1...

Page 35: ...um speed stated on nameplate min 1 Speed min 1 Sound pressure level ISO 3743 dB A 1 phase motors 3 phase motors 0 33 1 0 25 0 75 2000 1500 37 37 2000 43 43 4000 3000 50 50 4000 60 60 5900 4000 58 58 5900 68 68 1 1 2 1 1 2000 1500 37 2000 43 4000 3000 50 50 4000 60 60 5900 4000 58 58 5900 68 68 2 1 5 2000 1500 42 2000 47 4000 3000 57 57 4000 64 64 5900 4000 58 58 5900 68 68 3 2 2 2000 1500 48 2000 ...

Page 36: ...omplies with part 15 of the FCC rules and RSS210 of IC rules Operation is subject to the following two conditions This device may not cause interference This device must accept any interference including interference that may cause undesired operation of the device Users are cautioned that changes or modifications not expressly approved by Grundfos could void the user s authority to operate the eq...

Page 37: ...n When the pump is protected by a circuit breaker this must be rated for a maximum voltage of 480 V The circuit breaker must be of the inverse time type Overload protection Degree of overload protection provided internally by the drive in percent of full load current 102 1 5 Outdoor installation According to UL 778 C22 2 No 108 14 pumps that are intended for outdoor use shall be marked enclosure t...

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Page 39: ...00 www grundfos us GRUNDFOS Canada 2941 Brighton Road Oakville Ontario L6H 6C9 Canada Phone 1 905 829 9533 Telefax 1 905 829 9512 www grundfos ca GRUNDFOS México Boulevard TLC No 15 Parque Industrial Stiva Aeropuerto C P 66600 Apodaca N L México Phone 011 52 81 8144 4000 Fax 011 52 81 8144 4010 www grundfos mx ...

Page 40: ...8 ECM 1240291 The name Grundfos the Grundfos logo and be think innovate are registered trademarks owned by Grundfos Holding A S or Grundfos A S Denmark All rights reserved worldwide Copyright Grundfos Holding A S www grundfos com ...

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