Grundfos CMBE, CMBE TWIN, CMBE 1-44, CMBE 3-62 Manual
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Safety instructions
Original safety instructions
These safety instructions give a quick overview of the safety precautions to be taken in connection with any work on this product. Observe these safety instructions during handling, installation, operation, maintenance, service and repair of this product. These safety instructions are a supplementary document, and all safety instructions will appear again in the relevant sections of the installation and operating instructions. Keep these safety instructions at the installation site for future reference.
This appliance can be used by children aged from 8 years and above and persons with reduced physical, sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning use of the appliance in a safe way and understand the hazards involved.
Children shall not play with the appliance. Cleaning and user maintenance shall not be made by children without supervision.
Read this document before you install the product. Installation and operation must comply with local regulations and accepted codes of good practice.
Transporting the product
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Falling objects
Death or serious personal injury
- Secure the product during transport to prevent it from tilting or falling down.
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Back injury
Minor or moderate personal injury
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Crushing of feet
Minor or moderate personal injury
- Wear safety shoes when moving the product.
Mechanical installation
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Hot liquid
Death or serious personal injury
- To avoid leakage do not overtighten the pipe connections.
Lifting the product
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Sharp element
Minor or moderate personal injury
- Wear personal protective equipment.
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Crushing of feet
Minor or moderate personal injury
- Wear safety shoes when moving the product.
- Use lifting equipment.
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Back injury
Minor or moderate personal injury
Electrical connection
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Electric shock
Death or serious personal injury
- In case of an insulation fault, the fault current may be a DC or pulsating DC. Observe national legislation about requirements for and selection of Residual Current Device (RCD) when installing the product.
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Electric shock
Death or serious personal injury
- Check that the supply voltage and frequency correspond to the values stated on the nameplate.
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Electric shock
Death or serious personal injury
- It must be possible to lock the main switch in position 0. Type and requirements as specified in EN 60204-1, 5.3.2.
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Electric shock
Death or serious personal injury
- Check that the power plug delivered with the product is in compliance with local regulations.
- The protective earth of the power outlet must be connected to the protective earth of the product. The plug must therefore have the same PE connection system as the power outlet. If not, use a suitable adapter if allowed by local regulations.
- Provide protection against indirect contact in accordance with local regulations.
- Make sure all earth connections are established correctly before switching on the power supply.
- The user or the installer is responsible for correct earthing and protection according to local regulations.
- The installer is responsible for potential compensation.
- Work must be carried out according to IEC 60204-1:2016.
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Electric shock
Death or serious personal injury
- A supply disconnecting device made according to EN 60204-1 5.3.2 must be provided with means permitting it to be locked in the OFF (isolated) position. This device must also be installed in a position according to EN 60204-1, 5.3.4.
Cable requirements
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Electric shock
Death or serious personal injury
- Comply with local regulations as to cable cross-sections.
Protection against electric shock, indirect contact
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Electric shock
Death or serious personal injury
- Connect the product to protective earth and provide protection against indirect contact in accordance with local regulations.
Protective-earth conductors must have a yellow and green (PE) or yellow, green and blue (PEN) colour marking.
Residual-current circuit breakers
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Electric shock
Death or serious personal injury
- In case of an insulation fault, the fault current may be a DC or pulsating DC. Observe national legislation about requirements for and selection of Residual Current Device (RCD) when installing the product.
Connecting a power plug to the electrical installation
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Electric shock
Death or serious personal injury
- Make sure that the product is connected only to a properly grounded, grounding-type receptacle (protective earthing).
- The protective earth of the power outlet must be connected to the protective earth of the product. The plug must therefore have the same PE connection system as the power outlet. If not, use a suitable adapter.
Connecting a fuse box to the electrical installation
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Electric shock
Death or serious personal injury
- Switch off the power supply to the product including the power supply for the signal relays. Wait at least 5 minutes before you make any connections in the terminal box.
- Make sure that the power supply cannot be switched on accidentally.
Standard functional module, FM 200
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Electric shock
Death or serious personal injury
- Make sure that the wires to be connected to the connection groups below are separated from each other by reinforced insulation in their entire lengths.
Startup
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Hot liquid
Death or serious personal injury
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If the temperature is higher than 50°C, use gloves and glasses when venting the pump to avoid risk of scalding.
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Biological hazard
Death or serious personal injury
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Flush the pump with clean water before first use.
Flushing the system
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Contaminated drinking water
Death or serious personal injury
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Flush the system before starting it or after a standstill period.
Setting the product
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Hot surface
Death or serious personal injury
- Touch only the buttons on the display. The product may be very hot.
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Electric shock
Death or serious personal injury
- If the operating panel is cracked or perforated, replace it immediately. Contact the nearest Grundfos sales company.
Servicing the product
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Electric shock
Death or serious personal injury
- Switch off the power supply to the product including the power supply for the signal relays. Wait at least 5 minutes before you make any connections in the terminal box. Make sure that the power supply cannot be switched on accidentally.
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Magnetic field
Death or serious personal injury
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Persons with pacemaker must not handle the motor or rotor.
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Pressurised system
Death or serious personal injury
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Depressurise the system before you start any work on the product. The pumped liquid may be scalding hot and under high pressure. - Drain the system or close the isolating valves on either side of the pump.
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Biological hazard
Death or serious personal injury
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When servicing the product, only use Grundfos original spare parts.
Taking the product out of operation
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Electric shock
Death or serious personal injury
- Switch off the power supply before you start any work on the product. Make sure that the power supply cannot be switched on accidentally.
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Pressurised system
Death or serious personal injury
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Depressurise the system before you start any work on the product. The pumped liquid may be scalding hot and under high pressure. - Drain the system or close the isolating valves on either side of the pump.
Fault finding the product
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Electric shock
Death or serious personal injury
- Switch off the power supply before you start any work on the product.
- Make sure that the power supply cannot be switched on accidentally.
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Pressurised system
Death or serious personal injury
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Depressurise the system before you start any work on the product. The pumped liquid may be scalding hot and under high pressure. - Drain the system or close the isolating valves on either side of the pump.
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Biological hazard
Death or serious personal injury
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When servicing the product, only use Grundfos original spare parts.
Operating conditions
Min./max. operating temperature | -20/+50°C 3) |
Min./max. storage temperature | -30/+60°C |
Liquid temperature | 0-60°C |
Sound pressure level | ≤ 55 dB(A) 4) |
Start/stop frequency | Max. 100/h |
3) The motor can operate with the rated power output (P2) at 50°C, but continuous operation at higher temperatures reduces the expected product life. If the motor is to operate at ambient temperatures between 50 and 60°C, an oversized motor must be selected. Contact Grundfos for further information.
4) For CMBE TWIN, the sound pressure level may be higher.
Miscellaneous data
Enclosure class | Pump: IP55 Sensor: IP44 |
Insulation class | F |
Maximum total head
Pump type | Max. head [m] |
CMBE 1-44 | 44 |
CMBE 3-62 | 62 |
CMBE 3-93 | 93 |
CMBE 5-62 | 62 |
CMBE 10-54 | 54 |
CMBE TWIN 3-62 | 62 |
CMBE TWIN 3-93 | 93 |
CMBE TWIN 5-62 | 62 |
Pressure
| [bar] | [MPa] |
Min. inlet pressure (relative) without pressure sensor | Observe local regulations. |
Min. inlet pressure with pressure sensor | Observe local regulations. |
Max. outlet pressure | 10 | 1 |
Max. operating pressure | 10 | 1 |
Electrical data
Supply voltage | 1 × 200-240 V -10% / +10%, PE |
Frequency | 50/60 Hz -2% / +2 % |
Cable requirements
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Electric shock
Death or serious personal injury
- Comply with local regulations as to cable cross-sections.
- Use the recommended fuse size.
1 × 200-240 V
Power [kW] | Cross-section |
[mm2] | [AWG] |
0.25 - 2.2 | 1.5 - 2.5 | 16-12 |
Conductor types
Stranded or solid copper conductors.
Conductor temperature ratings
Temperature rating for conductor insulation: 60°C (140°F).
Temperature rating for outer cable sheath: -30°C to 60°C (-22 to 140°F).
Documents / ResourcesDownload manual
Here you can download full pdf version of manual, it may contain additional safety instructions, warranty information, FCC rules, etc.
Download Grundfos CMBE, CMBE TWIN, CMBE 1-44, CMBE 3-62 Manual
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