SunMaxx Solar LLC
Page 20 of 39
delivery water temperature.
Regarding the electrical back up water heater, you can choose to connect both of the
heat elements to speed up heat rate, or you can connect only one on the top of this
water heater. It is best to get advice from the field-wiring installer to ensure all the wire
can meet the heat element’s maximum power.
The above is a reference plumbing connection diagram. The formal plumbing architecture design
and blueprint drawing shall always be done by a licensed architect and signed by licensed
plumbers. Acquire the proper working permits from the local city building department before the
installation. Install the system using a licensed contractor with solar install certificate. Request and
perform the inspection and sign-off after installation.
Important Notice and Warnings
To prevent burn injury, touching the heat pipe in the glass tubes is strictly prohibited. The
evacuated tubes should not be exposed to direct sunlight before installation.
The inlet and outlet port size is ½” tube; you can choose ½” or ¾” pipe size between
the water supply and water tank connections. The safety valve size is also ½”. Make
sure all the safety valves are in normal condition before flushing the system.
