http://www.sunflower
‐
solar.com/
Version
11.03
Subjec
tto c
hange 2011
SUNF
LOWER SOLAR
13
3.7
Trial operation and troubleshoot methods
3.7.1 Trial operation
First please confirm whether the vacuum tube is shined by sunlight without water inside, otherwise can’t feed
the cold water.
Suggestions:
If the process has to be finished under sunshine, you can cover the inserted tubes by black cloth,
etc.
3.7.2 Troubleshoot methods
Open the cold water inlet, check the pipe channel and connection between vacuum tube and water tank, if find
any leakage, it should close the valve immediately, eliminate the leakage.
As for the leakage when insert the vacuum tube, there are normal four points as follow:
1)
The broken of Silicon ring
2)
There is adsorption bubble on the Silicon ring
3)
Silicon ring is not connected with inner tank
4)
Insert vacuum tubes without any lubricant
3.7.3 Check the air vent to make sure its fluency.
4.
Lightning protection
The solar water heater should have lightning protection to avoid lightening damage. A lightning rod is necessary
which should be 1.5m higher and 3 m farther away from the solar water heater. For any problems that involve
plumbing or electrical connections the services of a qualified professional must be employed.
Warning: When in thunderstorm weather please don't use solar water heaters.
5.
How to connect couple of collectors
We suggest you use the corrugated connection pipe to connect every two solar collectors, which is very convenient
and completely fit two solar collectors. Please see the following picture.
