http://www.sunflower
‐
solar.com/
Version
11.03
Subjec
tto c
hange 2011
SUNF
LOWER SOLAR
14
Fig 5.1
6.
Dimensions of pipe connections
All size of the connectors on the solar water heaters are 1/2 inch.
7.
Precautions
1)
When installing your solar water heater in a cold climate where freezing is possible, please put an insulation
layer around the pipes which are outside the building.
You may want to add additional protection in the
form of a thermostatically controlled heat tape.
2)
If you use the optional electric immersion heater, the person who installs the electric heater must be a
qualified electrician. You need to use an electricity leakage protection plug and everything should be
grounded.
8.
Max. working pressure
This type is non-pressurized type, but the solar water heater could bear the gravity of water inside.
9.
Installation Angle
It is common for solar water heaters to be installed at an angle that is similar to the latitude of your location.
Installing it with a tilt angle
(as measured from horizontal) less than 20° is not recommended as the heat pipes
