COMMISSIONING
46
While the closed circuit fluid is non toxic to humans, it does have an adverse effect on water stored in
rainwater tanks. It can cause an unpleasant odour to develop, render the rainwater foul and unfit for human
consumption and result in the rain water tank having to be drained and cleaned. Refer to
“Rain Water Tank”
on page 21.
To Fill The Closed Circuit
It is necessary to fill the heat exchanger and solar collectors with closed circuit fluid before the water heater
can be operated. Refer to
diagram
on page 46.
Note:
Care must be taken to ensure there is no spillage of the closed circuit fluid onto the roof surface,
particularly if the roof is part of a rain water collection system. Any spilled closed circuit fluid must be cleaned
up immediately and the roof surface cleaned of any fluid residue.
To fill the heat exchanger:
Remove the retaining clip and 200 kPa pressure relief valve from the tank vent socket located on the
right hand end of the solar storage tank.
This will allow air to escape during filling.
Connect a hose to the service valve located at the bottom right hand corner of the right hand solar
collector.
Using a funnel placed in the end of the hose, pour the required contents of the closed circuit fluid into
the system through the funnel. Top up with water until the level of fluid reaches the bottom of the vent
socket.
Insert the 200 kPa pressure relief valve into the vent socket and secure with the retaining clip.
Remove the hose and close the service valve.
Clean up any spilt closed circuit fluid.
Check the system for leaks.
It is recommended the closed circuit fluid level is checked three (3) months after commissioning of the
system to ensure the fluid level has not dropped due to incorrect filling or fluid has not been lost due to
leaks in the system.
The closed circuit fluid level should be checked every five (5) years and if required the closed circuit fluid
replaced.
The closed circuit fluid contains food grade additives (rust inhibitor, anti-freeze agent, colour) and is harmless
to the environment. However, it is good practice to recover any excess closed circuit fluid and remove from
site.
Filling The Closed Circuit With Closed Circuit Fluid
Содержание Premier Hiline
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