Do you have a question about SunMaxx or solar thermal systems? Just take a look at the list below…each question has been submitted by one of our solar thermal dealers, installers or clients, and answered by our team of professionally trained technicians and engineers.
Can’t find your solar thermal questions on the list below? No problem, just use the link below and submit your solar thermal question for our team to answer and post on the site.
What is the difference between Flat Plates and Evacuated Tube Collectors? While both types of collectors capture the suns energy and convert it to hot water each have there own advantages. Evacuated Tube Collectors are best used in northern climates where freezing can occur and can be utilized in areas where temperatures...
What labels do I need for my solar hot water system to pass NYSERDA inspection? If you have purchased your system from SunMaxx, we have a PDF with the appropriate labels that you can print on a color printer, laminate, and cut apart. Each label has a designated location. Ask your...
What labels do I need for my solar hot water system to pass California Solar Initiative (CSI) inspection? If you have purchased your system from SunMaxx, we have a PDF with the appropriate labels that you can print on a color printer, laminate, and cut apart. Each label has a designated...
How can I connect an air compressor to my pump station to pressure test my solar thermal system for leaks? Our pump station’s fill valve has GHT hose threads on the outside. You can easily make an adaptor using the following three fittings, which can be purchased at your local hardware...
How should I test my solar thermal system for leaks? After a solar thermal system has been installed, it should be tested for leaks before it is charged with heat transfer fluid. Leak testing should be done with air pressure. Air pressure can detect even small leaks that would be difficult...
The sight glass on my drainback tank is broken. What do I do? SunMaxx has replacement sight glasses for the drainback tanks we currently sell. Call your sales rep.
What type of splice should I use when joining sensor cables to system wiring? Do not use wire nuts or connectors. Solder all wire connections, and cover them with shrink wrap tubing. Additionally, since most shrink wrap tubing is not rated as high temp or UV resistant, make sure that those...
My sensor cable is only 4 feet long. How do I wire it from the controller all the way to the collectors? First off, when wiring to the collectors, make sure you use the high temp sensor (usually black or red). One end of the sensor cable has the sensor, which...
How do I get my SmartMaxx DHWPlus controller from Celcius to Farenheit? Push the "+" button until you move to end of the main menu (time). Press the "+" button continuously for about 3 seconds to get into the adjustment submenu. You should see "Arr." Temperature scale choice is near the...
What is involved in setting the drainback option (ODB) on my SmartMaxx-DHWPlus controller? In the submenu, switch ODB from “OFF” to “ON.” Four new items will appear in the submenu: tDTO, tFill, tSTB, and OBST. Some experimentation may be necessary to get these settings correct for your system. tDTO (time period switch-on)...
