Install & Operate
Ensure that your system functions at its best from day one. Find how-to guides, videos, FAQs and related services to help you with installation and operation of your Grundfos products.
Do I have to follow the instructions for Grundfos pumps?
Yes, absolutely. The installation and operating instructions contain basic instructions which must be followed in connection with the installation, operation, and maintenance of the system. Hence, they must be read by the installer and the relevant personnel/owner prior to installation and commissioning. In addition, they must be available to personnel on site at all times.
Does the SQ/SQE have a soft start?
Yes, the pump has an integrated soft start feature in order to reduce start-up current, thus assuring even, continuous acceleration.
How can a blockage in a heating/wet-running pump be overcome?
De-energise the pump. Remove the screw in the centre of the nameplate. The shaft located beneath this has a groove. Place a screwdriver in the groove and move the shaft in the direction of rotation until you have removed the blockage.
Modern self-regulating heating pumps no longer have a screw in the centre of the nameplate. However, modern pumps have an anti-block feature. Should a blockage nevertheless occur, the pump head must be removed.
Does the SQ/SQE need to be manually reset after a certain number of automatic restart attempts?
In the event of a fault, the SQ will perform an unlimited number of restart attempts. As soon as the fault is no longer present, the pump will return to normal operation.
Can the pump be operated using a frequency converter?
Grundfos offers numerous speed-controlled pumps that are referred to as ‘E-pumps’ and which come equipped with Grundfos MGE motors with an integrated frequency converter. The manufacturing costs and material inputs are lower compared to pump solutions with external frequency converters. In addition, technical issues that may arise in connection with external frequency converters are avoided.
Finally, MGE motors have numerous additional features and advantages. In the event ...
Does the built-in excess temperature protection of the UPS pump need to be used?
If excess temperature protection is not properly connected or bridged, the pump may be permanently damaged. In addition, this will also void the pump's warranty.
Grundfos Commissioning for me is top performance from day one
Grundfos specialists make sure that your system and pumps are fully compatible, that all pumps are installed and aligned correctly, and that the system is ready to go.
Prompt and reliable service wherever you are
With Grundfos service centres in more than 50 countries throughout the world, supplemented by more than 600 authorised Grundfos Service Partners, we’re never far away. If required, we ensure you get emergency access to service personnel as well.