Related Manuals for Grundfos CREC
Summary of Contents for Grundfos CREC
- Page 1 GRUNDFOS INSTRUCTIONS CREC, CRIEC, CRNEC, MTREC, CMEC Installation and operating instructions...
- Page 2 CREC, CRIEC, CRNEC, MTREC, CMEC English (GB) Installation and operating instructions....... . . 3 Appendix .
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Page 3: Table Of Contents
Installation and operation must Basic operating panel comply with local regulations and accepted codes of good practice. Grundfos GO Remote 11.1 Communication 11.2 Menu overview for Grundfos GO Remote Description of functions 12.1 Setpoint 12.2 Operating mode 12.3 Set manual speed 12.4... -
Page 4: Symbols Used In This Document
1.1 Hazard statements Analog input. The symbols and hazard statements below may Alarm, out of range at lower limit. appear in Grundfos installation and operating Analog output. instructions, safety instructions and service instructions. Alarm, out of range at upper limit. -
Page 5: General Information
• with Grundfos GO Remote. Other settings Make all other settings with Grundfos GO Remote. You can read important parameters, such as the actual value of the control parameter and power consumption, via Grundfos GO Remote. -
Page 6: Mechanical Installation
- Secure the product to a solid foundation the motor is not exposed to direct sunlight, rain or by bolts through the holes in the flange snow. Grundfos does not supply covers. We or the base plate. therefore recommend that you have a cover built for the specific application. -
Page 7: Drain Holes
6.7 Drain holes 7.1 Protection against electric shock, indirect contact When the motor is installed in moist surroundings or areas with high humidity, the bottom drain hole must WARNING be open. The enclosure class of the motor will then be lower. This helps prevent condensation in the Electric shock motor as the motor becomes self-venting, and it Death or serious personal injury... -
Page 8: Mains Supply
7.2.2 Conductors Type Stranded or solid copper conductors. Temperature rating Temperature rating for conductor insulation: 60 °C (140 °F). Temperature rating for outer cable sheath: 75 °C (167 °F). 7.3 Mains supply DANGER Electric shock Fig. 5 Mains connection, three-phase motors Death or serious personal injury - Use the recommended fuse size. -
Page 9: Connection Terminals
Overload protection 7.5 Connection terminals If the upper load limit is exceeded, the motor The descriptions and terminal overviews in this automatically compensates for this by reducing the section apply to three-phase motors. speed and stops if the overload condition persists. For maximum torques, see section Torques, page The motor remains stopped for a set period. - Page 10 • Signal relay output Terminal Type Function – Signal relay 1: LIVE: Normally You can connect supply voltages up to 250 closed contact VAC to the output. Signal relay 1 PELV: Common (LIVE or PELV) The output is galvanically separated from Normally open other circuits.
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Page 11: Signal Cables
7.6 Signal cables 7.7.2 Replacing a motor • If a 2-core cable is used in the installation, • Use screened cables with a cross-sectional area connect it as shown in fig. 9. of minimum 0.5 mm and maximum 1.5 mm the external on/off switch, digital input, setpoint Motor and sensor signals. -
Page 12: Installation Altitude
10. Basic operating panel. you must adapt the supply voltage to the altitude: Remote controls Supply voltage [V] • Grundfos GO Remote. See section 11. Grundfos GO Remote. If the power supply to the pump is switched off, the settings are stored. -
Page 13: Basic Operating Panel
Radio communication can take place at distances up panel to allow radio to 30 m. The first time Grundfos GO Remote communication with Grundfos communicates with the pump, you must enable GO Remote and other products... -
Page 14: Menu Overview For Grundfos Go Remote
11.2 Menu overview for Grundfos GO Remote CMEC, CREC, Dashboard CRIEC, CRNEC, MTREC ● CMEC, CREC, "Status" CRIEC, CRNEC, MTREC "Resulting setpoint" ● "Actual controlled value" ● "Motor speed" ● "Power consumption" ● "Energy consumption" ● "Operating hours" ● "Analog input 1"... - Page 15 CMEC, CREC, "Settings" CRIEC, CRNEC, Section Page MTREC "Setpoint" ● 12.1 Setpoint "Operating mode" ● 12.2 Operating mode "Set user-defined speed" ● 12.4 "Set user-defined speed" "Control mode" ● 12.5 "Control mode" 12.11 "Stop function" (Low-flow stop "Stop function" ●...
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Page 16: Description Of Functions
For recommended controller settings, see section 12.3 Set manual speed "Controller" (Controller settings). With Grundfos GO Remote, you set the speed via the Setpoint menu. You can set the pump speed in percentage of the maximum speed. When you have set the operating mode to Manual, the pump starts running at the set speed. -
Page 17: Analog Inputs
If you want to set the analog input for other purposes, you can do this manually. If you make the manual setting via Grundfos GO Remote, you need to enter the menu for the analog input under the Settings menu. -
Page 18: Digital Inputs
Measured parameter 12.7 Digital inputs Select one of the parameters listed below, that is the To set the digital input, make the settings below. parameter to be measured in the system by the Function sensor connected to the actual analog input. See fig. Select one of these functions: •... -
Page 19: Signal Relays (Relay Outputs)
12.8 Signal relays (Relay outputs) Guidelines for setting of PI controller The tables below show the recommended controller The pump incorporates one signal relay for settings: potential-free signalling Function You can configure the signal relay to be activated by Constant one of the following incidents: temperature Heating... -
Page 20: Operating Range
12.9 Operating range Example with constant curve with linear influence Set the operating range as follows: Actual setpoint: actual input signal x (setpoint - • Set the minimum speed within the range from user-set minimum speed) + user-set minimum fixed minimum speed to user-set maximum speed. -
Page 21: Stop Function" (Low-Flow Stop Function)
• Linear with Stop The disadvantages of enabling the "Low-flow stop In the input signal range from 20 to 100 %, the function" may be the following: setpoint is influenced linearly. • The delivered pressure is not completely If the input signal is below 10 %, the pump constant as it fluctuates between the start and changes to operating mode Stop. - Page 22 In start-stop operation, the pressure varies between Operating conditions for the low-flow stop the start and stop pressures. See fig. 26. function In "User-defined mode" (Customised operating You can only use the stop function if the system mode), ΔH has been factory-set to 10 % of the actual incorporates a pressure sensor, a non-return valve setpoint.
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Page 23: Ramps
In this display, you can undo all settings that have The alarm handling determines how the pump must been made with Grundfos GO Remote in the current react in case of a sensor failure. communication session. Once you have recalled settings, you cannot undo. -
Page 24: Connection Code
4. Read the description for this control mode. Define the default code in Grundfos GO Remote in this way: 6. Select sensor function according to where the 1. In the main menu, under "General", select sensor is installed in the system. -
Page 25: Bus Signal
Grundfos GO Remote can only set the pump to Via a bus signal, you can remote-set pump operating Manual or Stop. parameters, such as setpoint and operating mode. At... -
Page 26: Grundfos Eye
15. Grundfos Eye The operating condition of the pump is indicated by Grundfos Eye on the operating panel. See fig. 30, A. Fig. 30 Grundfos Eye Grundfos Eye Indication Description The power is off. No lights are on. The pump is not running. -
Page 27: Signal Relay
You can set the signal output to Operation, Pump running, Ready, Alarm and Warning. The functions of the signal relay appear from the table below: Contact position of signal relays when activated Operating Description Grundfos Eye Pump mode Operation Ready Alarm Warning... -
Page 28: Installing A Communication Interface Module
17. Installing a communication 2. Remove the CIM cover (fig. 33, A) by pressing the locking tab (fig. 33, B) and lifting the end of interface module the cover (fig. 33, C). Then lift the cover off the hooks (fig. 33, D). DANGER Electric shock Death or serious personal injury... -
Page 29: Changing The Position Of The Operating Panel
7. Connect the cable screens of the bus cables to 11. Fit the terminal box cover (fig. 32, B) and protective earth via one of the earth clamps (fig. cross-tighten the four mounting screws (fig. 32, 36, A). A) to 6 Nm. Make sure that the terminal box cover is aligned with the operating panel. - Page 30 2. Remove the terminal box cover. 5. Position the plastic cover correctly on the four rubber pins (C). Make sure that the locking tabs (A) are placed correctly. Fig. 43 Positioning the plastic cover Fig. 40 Removing the terminal box cover 6.
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Page 31: Servicing The Product
- Do not handle the motor or rotor if you have a pacemaker. 19.1 Motor If service is needed on the product, please contact Grundfos Service. 19.2 Pump 22.2 Leakage current (AC) Service documentation is available in Grundfos Product Center Mains Leakage (http://product-selection.grundfos.com/). Speed Power... -
Page 32: Other Technical Data
Immunity: The motor fulfils the requirements for • Maximum current: 50 mADC (sourcing only). industrial areas. • Overload protection: Yes. Contact Grundfos for further information. +24 V: Enclosure class • Output voltage: 24 VDC - 5 %/+ 5 %. Standard: IP44 (IEC 34-5). -
Page 33: Sound Pressure Level
1. Use the public or private waste collection service. 2. If this is not possible, contact the nearest Grundfos company or service workshop. Dispose of the waste battery through the national collective schemes. If in doubt, contact your local Grundfos company. - Page 34 Canadian interference- Users are cautioned that changes or modifications causing equipment regulations. not expressly approved by Grundfos could void the Cet appareil numérique de la Classe B est conforme user's authority to operate the equipment. à la norme NMB-003 du Canada. Cet appareil numérique de la Classe B respecte toutes les...
- Page 35 Identification numbers Electrical connection For USA Conductors Grundfos Holding A/S See section requirements, page 7. 7.2 Cable Contains FCC ID: OG3-RADIOM01-2G4. Torques For Canada Maximum tightening torques for the terminals can be Grundfos Holding A/S found in section Torques, page 33.
- Page 36 DK: EF-/EU-overensstemmelseserklæring ES: Declaración de conformidad de la CE/UEx Vi, Grundfos, erklærer under ansvar at produkterne MGE 71, MGE 80, Grundfos declara, bajo su exclusiva responsabilidad, que los MGE 90, MGE 100, MGE 112, MGE 132, MGE160, MLE 71, MLE 80,...
- Page 37 Declaration of conformity GB: EC/EU declaration of conformity DE: EG-/EU-Konformitätserklärung We, Grundfos, declare under our sole responsibility that the product Wir, Grundfos, erklären in alleiniger Verantwortung, dass die CRE, CREC, CRIE, CRIEC, CRNE, CRNEC, CRTE, SPKE, MTRE, Produkte CRE, CREC, CRIE, CRIEC, CRNE, CRNEC, CRTE, SPKE, MTREC, CME, CMEC to which the declaration below relates, is in MTRE, MTREC, CME, CMEC auf die sich diese Erklärung bezieht,...
- Page 38 Declaration of conformity UK declaration of conformity We, Grundfos, declare under our sole responsibility that the products to which the declaration below relates, is in conformity with UK regulations, standards and specifications to which conformity is declared, as listed below:...
- Page 39 Declaration of conformity UK declaration of conformity We, Grundfos, declare under our sole responsibility that the products to which the declaration below relates, is in conformity with UK regulations, standards and specifications to which conformity is declared, as listed below:...
- Page 40 Argentina China Hong Kong Bombas GRUNDFOS de Argentina S.A. GRUNDFOS Pumps (Shanghai) Co. Ltd. GRUNDFOS Pumps (Hong Kong) Ltd. Ruta Panamericana km. 37.500 Centro 10F The Hub, No. 33 Suhong Road Unit 1, Ground floor Industrial Garin Minhang District Siu Wai Industrial Centre 1619 Garín Pcia.
- Page 41 Malaysia Serbia Turkey GRUNDFOS Pumps Sdn. Bhd. Grundfos Srbija d.o.o. GRUNDFOS POMPA San. ve Tic. Ltd. 7 Jalan Peguam U1/25 Omladinskih brigada 90b Sti. Glenmarie Industrial Park 11070 Novi Beograd Gebze Organize Sanayi Bölgesi 40150 Shah Alam Phone: +381 11 2258 740...
- Page 42 99955183 01.2021 ECM: 1304647 www.grundfos.com...