Checking Brackets And Collector Components For Firm Seating; Check The Pipe Insulations For Damage; Replacing Damaged Pipe Insulations; Disposing Of Damaged Pipe Insulations - Vaillant auroTHERM VFK 145 H Installation Manual

7 Troubleshooting

Caution.
Material damage due to high-pressure
cleaner.
High-pressure cleaners may damage the
collectors due to the extremely high pressure.
▶ 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 in-
sulations. (→ Page 44)
6.9

Replacing damaged pipe insulations

1. Put the solar plant temporarily out of operation
(→ Page 45).
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.
44
7 Troubleshooting
7.1

Procuring spare parts

The original components of the product were also certified
as part of the CE declaration of conformity. If you do not use
certified Vaillant original spare parts for maintenance or re-
pair work, this voids the CE conformity of the product. We
therefore strongly recommend that you fit Vaillant genuine
spare parts. You can find information about the available
Vaillant original spare parts on the back page of these in-
structions, below the contact address.
▶
If you require spare parts for maintenance or repair work,
use only Vaillant genuine spare parts.
7.2

Carrying out repairs

7.2.1 Replace leaking 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.
▶ Cover the collectors before starting work.
▶ You should preferably perform the work in
the morning.
▶ Wear suitable safety gloves.
1. Put the solar plant temporarily out of operation
(→ Page 45).
2. Replace the leaking collectors.
3. Start up the solar plant again as described in the oper-
ating system instructions.
7.2.2 Disposing of defective collectors
Your Vaillant collector consists largely of recyclable materi-
als.
The Vaillant collector must not be disposed of with normal
household waste.
▶
Observe the applicable regulations.
▶
Dispose of defective Vaillant collectors properly.
7.2.3 Sealing leaking connections
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.
▶ Cover the collectors before starting work.
▶ You should preferably perform the work in
the morning.
▶ Wear suitable safety gloves.
1. Put the solar plant temporarily out of operation
(→ Page 45).
2. Seal the leaking connections.
Installation manual auroTHERM, auroTHERM plus 0020100571_03