EcoSolar Energy Conscious Design Limited
28
•
The pump shall be installed in the flow to the solar collector pipework, i.e. colder
pipework.
•
A non return valve shall be installed about 0.5m from the hot water cylinder on the
hot return to the cylinder to eliminate back circulation, (thermosiphon action using
warm water from the hot water cylinder to heat the solar collector)
Roof penetrations
There will invariably be a requirement for both pipes and electrical cables to penetrate the roof.
Care shall be taken to ensure the integrity of the roof is not compromised. These shall be in
compliance with G12 AS2.
Relief Valve
The relief valve or relief path shall be sized for the total power output of the system at 99
O
C
and 1500W/m
2
and 45
O
C ambient temperature and any additional heating source. See also Heat
Rejection, Page 2 of this guide.
Safe Tray
A safe tray c/w drain to a suitable drain shall be installed on all new and if at all possible under
existing hot water cylinders to capture water from leaks.
Controller
Please reference the controller installation manual included with the kitset for details including
installing the sensors and programming of the controller.
