Why is my Grundfos water pump not working?
Check the water supply suction pipe for damage or obstructions, if the pump does not start. Run a supply of cold water through the pump, if the unit does not start due to overheating. Inspect the electrical box for blown fuses and tripped breakers.
What is a Grundfos CR pump?
The Grundfos CR is the world’s number one vertical multistage centrifugal pump, known for its reliability, efficiency and adaptability. The CR pump range, which can be applied in almost any industrial solution, is modular in its design, making it one of the broadest ranges available.
How do you troubleshoot a Grundfos pump?
Grundfos Troubleshooting Tips for “CR” Pumps
- Wrong rotation – Check wiring for proper connections, correct wiring.
- Strainers, check valves, or foot valves are clogged – Remove strainer, screen or valve and inspect.
- Pump impeller or guide vane is clogged – Disassemble and inspect pump passageways.
How do you set a Grundfos pump?
Grundfos Pump Settings
- Press the button to switch to the setting view.
- Release the button for more than 2 seconds.
- Press the button for more than 2 seconds and the pump switches to “setting selection”.
- During a period of 10 seconds, press shortly on the button and the pump switches to the next setting.
How do I read a Grundfos serial number?
The pump type as well as the manufacture date code are included on the name plate. The first two digits of the date code are the year and the last two are the week. In week 23, the pump was manufactured.
What is P1 & P2 in pump?
P1 is the total induced power to the pump system. P2 is the power coming from the motor (shaft effect). P2 is the nominal power of the motor.
How do I use the Grundfos product center catalogue?
Once you enter Grundfos Product Center, you will see a menu with four coloured categories at the top. Select ‘Catalogue’. Once you’re in the ‘Catalogue’ section, select either ‘Pump designs’, ‘Applications’ or ‘Product families’, depending on what you need.
What are the electrical specifications for Grundfos Motors?
Exception • Protect Grundfos motors types MG 71 and MG 80 (up to 1.1 kW/2-pole and up to 0.75 kW/4- pole) for supply voltages up to and including 440 V without phase insulation against voltage peaks above 650 V between the supply terminals.
How to contact Grundfos pumps Korea Ltd?
GRUNDFOS Pumps Korea Ltd. 6th Floor, Aju Building 679-5 Yeoksam-dong, Kangnam-ku, 135-916 Seoul, Korea Phone: +82-2-5317 600 Telefax: +82-2-5633 725 Latvia SIA GRUNDFOS Pumps Latvia Deglava biznesa centrs Augusta Deglava ielā 60, LV-1035, Rīga, Tālr.: + 371 714 9640, 7 149 641 Fakss: + 371 914 9646
How do you lift the motor on a Grundfos pump?
• Pumps with 7.5 – 22 kW motors, Grundfos MG and MGE: Lift the pump by the motor eyebolts. • Pumps with 7.5 – 45 kW motors, other types than Grundfos MG and MGE: Lift the pump by the lifting brackets on the motor flange.