Grundfos CRIE Installation And Operating Instrictions
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Grundfos CRIE Installation And Operating Instrictions

Grundfos CRIE Installation And Operating Instrictions

Grundfos e-pumps with mle frequency-controlled, asynchronous motors
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GRUNDFOS INSTRUCTIONS
CRE, CRIE, CRNE, SPKE, CRKE,
MTRE, CME
Grundfos E-pumps with MLE frequency-controlled, asynchronous
motors
Installation and operating instructions

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Summary of Contents for Grundfos CRIE

  • Page 1 GRUNDFOS INSTRUCTIONS CRE, CRIE, CRNE, SPKE, CRKE, MTRE, CME Grundfos E-pumps with MLE frequency-controlled, asynchronous motors Installation and operating instructions...

  • Page 2: Table Of Contents

    Pumps without factory-fitted sensor Products manufactured by GRUNDFOS PUMPS CORPORATION Pumps with pressure sensor (Grundfos) are warranted to the original user only to be free of Settings defects in material and workmanship for a period of 24 months Mechanical installation...

  • Page 3: Symbols Used In This Document

    R100. If special or customized settings are required, use Grundfos PC If these safety instructions are not observed, Tool E-products. Contact your local Grundfos company for more...

  • Page 4: Electrical Connection

    6. Electrical connection 6.1.4 Additional protection If the pump is connected to an electric installation where an For description of how to connect E-pumps electrically, see the ground leakage circuit breaker (ELCB) is used as additional following pages: protection, the circuit breaker must be of a type marked with the 6.1 Single-phase pumps, page following symbol:...
  • Page 5 6.2.2 Protection against electric shock - indirect contact Warning The pump must be grounded in accordance with national regulations. As the leakage current of 5-10 hp (4 - 7.5 kW) motors is > 3.5 mA, take extra precautions when grounding these motors. EN 50178 and BS 7671 specify the following precautions when leakage current >...

  • Page 6: Three-Phase Pumps, 15-30 Hp

    6.2.9 Connections 6.3 Three-phase pumps, 15-30 hp If no external on/off switch is connected, Warning Note Note connect terminals 2 and 3 using a short wire. The user or the installer is responsible for the As a precaution, the wires to be connected to the following installation of correct grounding and protection connection groups must be separated from each other by according to current national and local...
  • Page 7 • Two protective ground leads of the same cross-sectional area 6.3.7 Supply voltage as the power supply leads, with one lead connected to an 3 x 460-480 V - 10 %/+ 10 %, 50/60 Hz, PE. additional ground terminal in the terminal box. The supply voltage and frequency are marked on the pump nameplate.
  • Page 8 6.3.9 Connections Group 3: Power supply (terminals L1, L2, L3) If no external on/off switch is connected, connect Note Note terminals 2 and 3 using a short wire. As a precaution, the wires to be connected to the following connection groups must be separated from each other by reinforced insulation in their entire lengths: Group 1: Inputs •...

  • Page 9: Signal Cables

    6.4 Signal cables 6.5 E-pump electrical connections • Use screened cables with a conductor cross-section of min. 6.5.1 Connection of E-pump to Danfoss pressure sensor 28 AWG and max. 16 AWG for external on/off switch, digital MBS3000 input, setpoint and sensor signals. The blue wire of the pressure sensor is connected to the #7 •...

  • Page 10: Bus Connection Cable

    If a screened 3-core cable is used in the existing installation, the constant curve set, fig. 17. follow the instructions in section 6.6.1 New installations page 10. 7. Modes Grundfos E-pumps are set and controlled according to operating and control modes. 7.1 Overview of modes Operating modes Normal Stop Min.

  • Page 11: Setting Up The Pump

    7.3.2 Pumps with pressure sensor 9. Setting by means of control panel The pump can be set to one of two control modes, i.e. controlled The pump control panel, see fig. or 20, incorporates the and uncontrolled, fig. 18. following buttons and indicator lights: In control mode controlled, the pump will adjust its performance, •...

  • Page 12: Setting Of Operating Mode

    (top light field flashes). When the top light field is on, press The pump is designed for wireless communication with 3 seconds until the light field starts flashing. Grundfos remote control R100. To return to uncontrolled or controlled operation, press continuously until the desired setpoint is indicated.
  • Page 13 0. GENERAL 1. OPERATION 2. STATUS 3. INSTALLATION 10.1.1 10.2.1 10.3.1 10.3.7 10.1.2 10.2.2 10.3.2 10.3.7 10.1.3 10.2.3 10.3.3 10.3.8 10.1.3 10.2.4 10.3.4 10.3.9 10.1.4 10.2.5 10.3.4 10.3.10 10.2.6 10.3.4 10.3.11 10.1.4 10.2.7 10.3.5 10.3.12 10.2.8 10.3.6 10.3.13 10.2.9 10.3.7 10.3.14 10.3.7 10.3.15...

  • Page 14: Menu Operation

    Displays in general The operating modes can be set without changing the setpoint setting. In the following explanation of the functions, one or two displays are shown. 10.1.3 Fault indications One display In E-pumps, faults may result in two types of indication: alarm or warning.

  • Page 15: Menu Status

    10.1.4 Fault log 10.2.2 Operating mode For both fault types, alarm and warning, the R100 has a log function. Alarm log This display shows the actual operating mode (Normal (duty), Stop, Min., or Max.). Furthermore, it shows where this operating mode was selected (R100, Pump, Bus, External or Stop func.).

  • Page 16: Menu Installation

    10.2.7 Lubrication status of motor bearings (only 15-30 hp) 10.3 Menu INSTALLATION 10.3.1 Control mode Without sensor With pressure sensor (uncontrolled) (controlled) This display shows how many times the motor bearings have been relubricated and when to replace the motor bearings. When the motor bearings have been relubricated, confirm this action in the INSTALLATION menu.
  • Page 17 The table below shows the suggested controller settings: How to set the PI controller For most applications, the factory setting of the controller constants K and T will ensure optimum pump operation. However, in some applications an adjustment of the controller Heating Cooling System/application...
  • Page 18 10.3.4 Signal relay 10.3.5 Buttons on pump Pumps of 1.5 - 10 hp have one signal relay. The factory setting of the relay will be Fault. Pumps of 15-30 hp have two signal relays. Signal relay 1 is factory set to Alarm and signal relay 2 to Warning. In one of the displays below, select in which one of three or six operating situations the signal relay should be activated.
  • Page 19 2. If the flow is still lower than the low-flow limit, the pump will ® • a Grundfos Liqtec dry-running sensor continue in start/stop operation. It will continue in start/stop operation until the flow is higher than the low-flow limit; when •...
  • Page 20 2. Check that the power supply is connected to the first pump according to the installation and operating instructions. 3. Use Grundfos R100 to set the duty/standby to Not active in the installation menu.
  • Page 21 4. Use Grundfos R100 to set the Operating mode to Stop in the operation menu. 5. Use Grundfos R100 to set the other displays as required for the pump application (such as setpoint). 6. Disconnect the power supply to both pumps.
  • Page 22 10.3.13 Motor bearing monitoring (only three-phase pumps) The motor bearing monitoring function can be set to these values: • Active • Not active. When the function is set to Active, a counter in the controller will start counting the mileage of the bearings. See section 10.2.7 Lubrication status of motor bearings (only 15-30 hp) page 16.

  • Page 23: Typical Display Settings For Constant-Pressure E-Pumps

    10.4 Typical display settings for constant-pressure E-pumps 1. OPERATION 2. STATUS 3. INSTALLATION 10.1.1 10.2.1 10.3.1 10.3.7 10.1.2 10.2.2 10.3.2 10.3.7 10.1.3 10.2.3 10.3.3 10.3.8 10.1.3 10.2.4 10.3.4 10.3.9 10.2.5 10.3.4 10.3.10 10.2.6 10.3.5 10.3.11 10.2.7 10.3.6 10.3.12 10.2.8 10.3.7 10.3.13 10.3.14 10.3.15...

  • Page 24: Typical Display Settings For Analog-Input E-Pumps

    10.5 Typical display settings for analog-input E-pumps 1. OPERATION 2. STATUS 3. INSTALLATION 10.1.1 10.2.1 10.3.1 10.3.7 10.1.2 10.2.2 10.3.2 10.3.7 10.1.3 10.2.3 10.3.3 10.3.8 10.1.3 10.2.4 10.3.4 10.3.9 10.2.5 10.3.4 10.3.10 10.2.6 10.3.5 10.3.11 10.2.7 10.3.6 10.3.12 10.2.8 10.3.7 10.3.13 10.3.14 10.3.15...

  • Page 25: Grundfos Go Remote

    Shows by which interface the Control source product is controlled. When Grundfos GO Remote communicates with the pump, the indicator light in the middle of the Grundfos Eye will flash green. Shows the control mode of the Control mode product.

  • Page 26: Setting By Means Of Pc Tool E-Products

    11. Setting by means of PC Tool E-products Priority of settings with bus communication Special setup requirements differing from the settings available Control panel External via the R100 require the use of Grundfos PC Tool E-products. Priority or R100 signals communication This again requires the assistance of a Grundfos service technician or engineer.

  • Page 27: Digital Input

    13.2 Digital input Actual setpoint By means of the R100, one of the following functions can be selected for the digital input: Sensor • Normal duty Setpoint set by means of • Min. curve control panel, R100 or PC Tool •...

  • Page 28: Bus Signal

    15. Bus signal The pump supports serial communication via an RS-485 input. The communication is carried out according to Grundfos bus protocol, GENIbus protocol, and enables connection to a building management system or another external control system. Operating parameters, such as setpoint, operating mode, etc. can be remote-set via the bus signal.
  • Page 29 The functions of the two indicator lights and the signal relay are as shown in the following table: Indicator lights Signal relay activated during: Fault/Alarm, Description Fault Operation Warning Pump Operating Ready (red) (green) running Relubricate The power supply has been switched off. Permanently The pump is operating.

  • Page 30: Emergency Operation (Only 15-30 Hp)

    18. Emergency operation (only 15-30 hp) 3. Connect the leads as shown in fig. 42. Warning Never make any connections in the pump terminal box unless all electric supply circuits have been switched off for at least 5 minutes. Note for instance that the signal relay may be connected to an external supply which is still connected when the power supply is disconnected.

  • Page 31: Insulation Resistance

    Screened cable: 0.5 - 1.5 mm / 28-16 AWG. and PC Tool E-products will indicate this as a warning. Maximum cable length: 1640 ft. A Grundfos technician is required for replacement of the varistor. Contact your local Grundfos company for assistance.

  • Page 32: Technical Data - Three-Phase Pumps, 15-30 Hp

    Tolerance: + 0 %/- 3 % at maximum voltage signal. Screened cable: 0.5 - 1.5 mm / 28-16 AWG. Bus input Maximum cable length: 1640 ft. Grundfos bus protocol, GENIbus protocol, RS-485. • Current signal Screened 3-core cable: 0.2 - 1.5 mm / 28-16 AWG.

  • Page 33: Other Technical Data

    1. Use the public or private waste collection service. supply with a short-circuit power greater than or 2. If this is not possible, contact the nearest Grundfos company equal to these values: or service workshop.
  • Page 34 Appendix 1. Installation in the USA and Canada 1.2 General considerations For installation in humid environment and fluctuating In order to maintain the UL/cUL approval, follow temperatures, it is recommended to keep the pump connected to Note Note these additional installation instructions. The UL the power supply continuously.
  • Page 35 Appendix 1. Instalación en EE. UU. y Canadá 1.2 Consideraciones generales Si la bomba se instala en un entorno húmedo en el que la Respete las instrucciones de instalación temperatura fluctúe notablemente, se recomienda mantenerla complementarias descritas a continuación para conectada continuamente al suministro eléctrico.
  • Page 36 Appendix 1. Installation aux États-Unis et au Canada 1.2 Considérations générales Pour l'installation dans un environnement humide et avec des Afin de respecter la norme UL/cUL, suivre ces températures fluctuantes, il est recommandé de maintenir la Note Note instructions d'installation supplémentaires. pompe raccordée en continu à...
  • Page 37 GRUNDFOS Kansas City GRUNDFOS Canada GRUNDFOS México 17100 West 118th Terrace 2941 Brighton Road Boulevard TLC No. 15 Olathe, Kansas 66061 Oakville, Ontario L6H 6C9 Canada Parque Industrial Stiva Aeropuerto Phone: (913) 227-3400 Phone: +1-905 829 9533 C.P. 66600 Apodaca, N.L. México...
  • Page 38 98566352 0514 ECM: 1101149 www.grundfos.com www.grundfos.us...

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