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6 Inspection and maintenance
58 Installation manual auroTHERM exclusive 0020077994_02
6.5 Checking collectors and connections for
damage, dirt and lack of tightness
1. Check the collectors for damage.
If the collectors are damaged:
Replace the collectors.
2. Check the collectors for dirt.
If the collectors are dirty:
Clean the collectors. ( Page 58)
3. Check the connections for lack of tightness.
If the connections are not tight:
Seal the leaking connections. ( Page 59)
6.6 Cleaning collectors
Danger!
Risk of burns and scalding!
In the event of solar radiation inside the
units, collectors can reach 200 °C.
Avoid working in direct sunlight.
You should preferably perform the work
in the morning.
Wear suitable safety gloves.
Wear suitable protective goggles.
Caution.
Material damage due to high-pressure
cleaner.
High-pressure cleaners may damage the
collectors due to the extremely high pres-
sure.
Never clean the collectors with a high-
pressure cleaner.
Caution.
Material damage due to cleaning agent.
Cleaning agents may damage the surface
structure of the collector and decrease its
efficiency.
Never clean the collector with cleaning
agents.
Clean the collectors with a sponge and water.
6.7 Checking brackets and collector
components for firm seating
Check the firm seating of all threaded connections.
If threaded connections are loose:
Tighten the threaded connections.
6.8 Check the pipe insulations for damage
Check the pipe insulations for damage.
If the pipe insulations are damaged:
To avoid heat losses, replace any damaged pipe insu-
lations. ( Page 58)
6.9 Replacing damaged pipe insulations
1. Put the solar plant temporarily out of operation
( Page 61).
2. Replace the damaged pipe insulations.
3. Start the solar plant up again.
6.10 Disposing of damaged pipe insulations
The pipe insulations consist largely of recyclable materials.
The pipe insulations must not be disposed of with normal
household waste.
Observe the applicable regulations.
Dispose of the damaged pipe insulations properly.
58


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