Plan your heating system from the outside in
Solely relying on efficient pumps only gets you so far. But by taking the entire commercial heating system into consideration, you can move energy savings to the next level. Innovative controllers, integrated frequency converters and silent-running variable speed pumps all deliver the required system intelligence to maximise the efficiency of your commercial building heating system. By thinking about the whole system and not just the pumps, you can quickly increase comfort levels, future-proof your building and not least, save energy. We offer pump solutions and system know-how to help you design and build the most efficient commercial heating system around.
Download the application guide: Heating in Commercial buildings
With rising demands for energy efficient heating solutions, a broad perspective is needed to fully understand how a building is heated and the impact of air-based vs. hydronic systems. Learn more about the advantages and disadvantages of primary, secondary and tertiary heating systems as well as varied pipe configurations and system balancing.
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Find out about the latest studies of pumps and systems, where to use Grundfos solutions and how to achieve the best performance, or search Grundfos research & insights for specific learning materials, articles, white papers, videos and much more that benefit your solution.
Get answers to your questions about this application
We have gathered frequently asked questions and their answers in one place. See the most frequently asked questions below or go to the Grundfos FAQ for a complete list of answers to your questions about our products.
How does one read a pump curve of a heating pump?
The pump curve of a heating pump displays the feed rate on the x-axis and the delivery head on the y-axis. The pump curve shown in the graph is curved, dropping off from left to right.
Every possible duty point of the pump is shown on the pump curve where the dependencies are as follows: high feed rate = low delivery head; low feed rate = high delivery head.
In a heating system, a system curve emerges as a function of the system hydraulics. This curve intersects with the pump...
What is the heating system filling water requirement?
VDI Guideline 2035 Part 1 has been in effect since 2005, and VDI Guideline 2035 Part 2 has been in effect since 2009. These guidelines represent recognised rules of the technology. Ongoing technical advances as well as efficiency improvements and energy optimisation mean that modern heat generators and heating pumps are designed with lower tolerances than they were in the past. These technical advances have led to increased demands placed on the medium pumped in the system, as defined by ...
Why does the heating system not reach a sufficient temperature?
Possible cause of the fault
Automatic night set-back is active
The hydraulic conditions have changed. The pump must adapt to these.
When night set-back is activated
Switch on night set-back using Button 4 (for MAGNA, use Button 3).
In "AutoAdapt" mode
Possible cause of fault: The "AutoAdapt" function is unable to correctly adapt the heating system.
Remedy
Why is the heating system making noise?
Possible cause of the fault
The flow rate is too high
This can be resolved by setting the pump to a setting other than "AutoAdapt"
Note the pump setting that appears on the display.
Then use Button 5 to switch the pump to "AutoAdapt". (for MAGNA, use Button 3)
If the supply of heat is sufficient at this point, leave it at this setting.
If the supply of heat is not sufficient, restore the previous setting...
Circulator pumps
Endsuction long coupled single stage
Endsuction close coupled single stage
Endsuction close coupled multistage
Horizontal split case pumps
Inline single stage pumps
Inline multi stage pumps
Read customer stories about application benefits
When Grundfos is a part of the solution, you get reduced energy consumption, increased comfort and unsurpassed operational reliability for your application. Read our customers' own stories about how they benefit from the Grundfos approach to intelligence, water and energy.
Enhance your knowledge
Find out how to get reduced energy consumption, increased comfort and unsurpassed operational reliability for your application. Read our customers' stories about how they benefit from the Grundfos approach to intelligence, water and energy, or search Grundfos research & insights for more learning materials, articles, white papers, videos and much more that benefit your solution.
