Grundfos CRE Installation And Operating Instructions Manual
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- Page 1 GRUNDFOS INSTRUCTIONS CRE, CRIE, CRNE, SPKE, MTRE, CHIE, CME Installation and operating instructions...
- Page 2 Nosotros, Grundfos, declaramos bajo nuestra entera responsabilidad que A Grundfos declara sob sua única responsabilidade que os produtos CRE, los productos CRE, CRIE, CRNE, SPKE, MTRE, CHIE y CME, a los cuales CRIE, CRNE, SPKE, MTRE, CHIE e CME, aos quais diz respeito esta se refiere esta declaración, están conformes con las Directivas del...
- Page 3 Mi, Grundfos, izjavljujemo pod vlastitom odgovornošću da je proizvod CRIE, CRNE, SPKE, MTRE, CHIE in CME, na katere se ta izjava nanaša, CRE, CRIE, CRNE, SPKE, MTRE, CHIE i CME, na koji se ova izjava v skladu z naslednjimi direktivami Sveta o približevanju zakonodaje za odnosi, u skladu s direktivama ovog Vijeća o usklađivanju zakona država...
- Page 4 Компанія Grundfos заявляє про свою виключну відповідальність за те, CRIE, CRNE, SPKE, MTRE, CHIE un CME, uz kuriem attiecas šis що продукти CRE, CRIE, CRNE, SPKE, MTRE, CHIE та CME, на які paziņojums, atbilst šādām Padomes direktīvām par tuvināšanos EK поширюється...
- Page 5 CRE, CRIE, CRNE, SPKE, MTRE, CHIE, CME Installation and operating instructions Montage- und Betriebsanleitung Notice d'installation et d'entretien Istruzioni di installazione e funzionamento Instrucciones de instalación y funcionamiento Instruções de instalação e funcionamento Οδηγίες εγκατάστασης και λειτουργίας Installatie- en bedieningsinstructies Monterings- och driftsinstruktion Asennus- ja käyttöohjeet...
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Page 6: Table Of Contents
Original installation and operating instructions. 9.2.8 Time till relubrication of motor bearings (only 11-22 kW) - 19 CONTENTS 9.2.9 Time till replacement of motor bearings (only 11-22 kW) - 19 Symbols used in this document - 7 Menu INSTALLATION - 19 General information - 7 9.3.1 Control mode - 19 General description - 7... -
Page 7: Symbols Used In This Document
All other settings can only be made by means of the R100. Important parameters such as actual value of control parameter, power consumption, etc. can be read via the R100. If special or customized settings are required, use the Grundfos PC Tool E-products. Contact your local Grundfos company for more information. -
Page 8: Electrical Connection - Single-Phase Pumps
5.1 Electrical connection - single-phase pumps 5.1.6 Protection against mains voltage transients The pump is protected against voltage transients by built-in Warning varistors between phase-neutral and phase-earth. The user or the installer is responsible for the 5.1.7 Supply voltage and mains installation of correct earthing and protection 1 x 200-240 V, –10 %/+10 %, 50/60 Hz, PE. -
Page 9: Connections
5.1.9 Connections 5.2 Electrical connection - three-phase pumps, 0.75 - 7.5 kW If no external on/off switch is connected, connect Note terminals 2 and 3 using a short wire. Warning As a precaution, the wires to be connected to the following The user or the installer is responsible for the connection groups must be separated from each other by installation of correct earthing and protection... -
Page 10: Motor Protection
5.2.5 Motor protection Automatic restart The pump requires no external motor protection. The motor If a pump set up for automatic restart is stopped incorporates thermal protection against slow overloading and Note due to a fault, it will restart automatically when blocking (IEC 34-11, TP 211). -
Page 11: Electrical Connection - Three-Phase Pumps, 11-22 Kw
5.3 Electrical connection - three-phase pumps, • Two protective earth conductors of the same cross-sectional area as the mains conductors, with one conductor connected 11-22 kW to an additional earth terminal in the terminal box. Warning The user or the installer is responsible for the installation of correct earthing and protection according to current national and local standards. -
Page 12: Start/Stop Of Pump
Group 2: Output (relay signal, terminals NC, C, NO). The output (group 2) is galvanically separated from other circuits. Therefore, the supply voltage or protective extra-low Torques, terminals L1-L3: voltage can be connected to the output as desired. Min. torque: 2.2 Nm Group 3: Mains supply (terminals L1, L2, L3). -
Page 13: Signal Cables
6. Modes 5.4 Signal cables • Use screened cables with a conductor cross-section of min. Grundfos E-pumps are set and controlled according to operating 0.5 mm and max. 1.5 mm for external on/off switch, digital and control modes. input, setpoint and sensor signals. -
Page 14: Control Mode
8. Setting by means of control panel 6.3 Control mode 6.3.1 Pumps without factory-fitted sensor The pump control panel, see fig. 19 or 20, incorporates the following buttons and indicator lights: The pumps are factory-set to control mode uncontrolled. • Buttons, , for setpoint setting. -
Page 15: Setpoint Setting
The pump is designed for wireless communication with the (top light field flashes). When the top light field is on, press Grundfos remote control R100. 3 seconds until the light field starts flashing. To return to uncontrolled or controlled operation, press continuously until the desired setpoint is indicated. - Page 16 0. GENERAL 1. OPERATION 2. STATUS 3. INSTALLATION 9.1.1 9.2.1 9.3.1 9.3.9 9.1.2 9.2.2 9.3.2 9.3.10 9.1.3 9.2.3 9.3.3 9.3.11 9.1.3 9.2.4 9.3.4 9.3.12 9.1.4 9.2.5 9.3.4 - 1 9.3.13 9.2.6 9.3.4 - 2 9.3.14 9.1.4 9.2.7 9.3.5 9.3.15 9.2.8 9.3.6 9.2.9 9.3.7...
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Page 17: Menu Operation
Displays in general 9.1.2 Operating mode In the following explanation of the functions, one or two displays are shown. One display: Pumps without or with factory-fitted sensor have the same function. Two displays: Set one of the following operating modes: Pumps without or with factory-fitted pressure sensor have •... -
Page 18: Fault Log
Warning (only 11-22 kW) 9.2 Menu STATUS The displays appearing in this menu are status displays only. It is not possible to change or set values. The displayed values are the values that applied when the last communication between the pump and the R100 took place. If a status value is to be updated, point the R100 at the control panel and press “OK”. -
Page 19: Power Input And Power Consumption
9.2.5 Power input and power consumption 9.2.9 Time till replacement of motor bearings (only 11-22 kW) When the motor bearings have been relubricated a prescribed number of times stored in the controller, the display in section 9.2.8 will be replaced by the display below. Tolerance: ±... -
Page 20: Signal Relay
The table below shows the suggested controller settings: 4. Set the integral time (T ) to twice the value which made the motor unstable. This is the correct setting of the integral time. General rules of thumb: System/ • If the controller is too slow-reacting, increase K Heating Cooling application... -
Page 21: Buttons On Pump
When this function is selected, lack of inlet pressure or water shortage can be detected. This requires the use of an accessory, such as: ® • a Grundfos Liqtec dry-running sensor • a pressure switch installed on the suction side of a pump •... -
Page 22: Flow Limit For The Stop Function (Only 11-22 Kw)
Fig. 30 Three preconfigured flow limits, Low, Normal and High Recommended diaphragm tank size: 9.3.10 Sensor Typical diaphragm Rated flow of pump Without sensor With pressure sensor CRE pump tank size [m³/h] (uncontrolled) (controlled) [litres] 1s, 1, 3, 5 7-24... -
Page 23: Duty/Standby (Only Three-Phase Pumps)
9.3.11 Duty/standby (only three-phase pumps) 9.3.13 Motor bearing monitoring (only 11-22 kW) The duty/standby function applies to two pumps connected in parallel and controlled via GENIbus. The motor bearing monitoring function can be set to these values: • Active The duty/standby function can be set to these values: •... -
Page 24: Setting By Means Of Pc Tool E-Products
10. 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 25: External Forced-Control Signals
12. External forced-control signals 13. External setpoint signal The pump has inputs for external signals for these forced-control The setpoint can be remote-set by connecting an analogue signal functions: transmitter to the input for the setpoint signal (terminal 4). • Start/stop of pump •... -
Page 26: Bus Signal
14. Bus signal The pump supports serial communication via an RS-485 input. The communication is carried out according to the 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 27: Insulation Resistance
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 electricity supply has been switched off. -
Page 28: Emergency Operation (Only 11-22 Kw)
18. Emergency operation (only 11-22 kW) 3. Connect the conductors as shown in fig. 37. 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 mains supply is disconnected. -
Page 29: Maintenance And Service
DC 0-20 mA/4-20 mA, R and PC Tool E-products will indicate this as a warning. Tolerance: +0 %/–3 % at maximum current signal. A Grundfos technician is required for replacement of the varistor. Screened cable: 0.5 - 1.5 mm / 28-16 AWG. -
Page 30: Technical Data - Three-Phase Pumps, 0.75 - 7.5 Kw
Current signal Bus input = 175 Ω. DC 0-20 mA/4-20 mA, R Grundfos bus protocol, GENIbus protocol, RS-485. Tolerance: +0 %/–3 % at maximum current signal. Screened 3-core cable: 0.2 - 1.5 mm / 28-16 AWG. Screened cable: 0.5 - 1.5 mm / 28-16 AWG. -
Page 31: Inputs/Output
Screened cable: 0.5 - 1.5 mm / 28-16 AWG. 18.5 industrial areas (second environment). Maximum cable length: 500 m. If equipped with an external Grundfos EMC filter, the • Current signal = 250 Ω. motors are category C2, corresponding to CISPR11,... -
Page 32: Disposal
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 nearest Grundfos company or service workshop. Subject to alterations. - Page 33 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 these additional installation instructions. Note the power supply continuously.
- Page 34 Tel.: +43-6246-883-0 Telefax: +49-(0) 211 929 69-3799 Veluwezoom 35 Turkey Telefax: +43-6246-883-30 e-mail: infoservice@grundfos.de 1326 AE Almere GRUNDFOS POMPA San. ve Tic. Ltd. Sti. Service in Deutschland: Postbus 22015 Gebze Organize Sanayi Bölgesi Belgium e-mail: kundendienst@grundfos.de 1302 CA ALMERE N.V. GRUNDFOS Bellux S.A.
- Page 35 Thinking ahead makes it possible Innovation is the essence 96780071 0110 The name Grundfos, the Grundfos logo, and the payoff Be–Think–Innovate are registrated trademarks owned by Grundfos Management A/S or Grundfos A/S, Denmark. All rights reserved worldwide. Repl. 96780071 0909 www.grundfos.com...
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