De-Commissioning; Removing The Flat Collectors - Vaillant auroTHERM VFK 145/2 H Installation Manual

6 De-commissioning

6 De-commissioning
> Even when taking out of service and disassembling,
observe the
– Transport and handling instructions (¬ Chap. 3.1),
– Assembly instructions (¬ Chap. 3.2),
– Good engineering practice (¬ Chap. 3.3) and
– Accident prevention regulations (¬ Chap. 3.4).
a
Danger!
Danger of burning and scalding!
When exposed to solar irradiation, the inside
of the collectors can reach 200 °C.
> Avoid working in direct sunlight.
> Cover the flat collectors before starting
work.
> Preferably work during the morning.
> Wear suitable protective gloves.
> Wear suitable safety glasses.
The solar energy system should not be taken out of
service. The solar energy system can be taken out of
service for a short time for repairs or maintenance work.
b
Caution!
Risk of damaging the flat collectors!
Flat collectors that are not in operation can
age prematurely as a result of long-term high
standstill temperatures.
> Make sure that only a competent person
takes the solar energy system out of serv-
ice.
> Take the flat collectors out of service for a
maximum of four weeks.
> Cover the flat collectors that are not in use.
> Make sure that the cover is securely fas-
tened.
> Remove the flat collectors if you shut the
solar system down for longer periods.
b
Caution!
Risk of oxidising the solar fluid!
If the solar circuit is opened during a long
period out of service, the solar fluid can age
prematurely as a result of the ingress of
atmospheric oxygen.
> Make sure that only a competent person
takes the solar energy system out of serv-
ice.
> Take the flat collectors out of service for a
maximum of four weeks.
> Drain the entire system before a long
period out of service and dispose of the
solar fluid professionally.
> Remove the flat collectors if you shut the
solar system down for longer periods.
38
6.1

Removing the flat collectors

b
Caution!
Damage to the flat collector and the solar
system!
Incorrect removal can cause damage to the
flat collector and the solar system.
> Before the flat collectors are removed,
make sure that only a qualified heating
engineer or Vaillant customer service tech-
nician takes the solar system out of serv-
ice.
b
Caution!
Environmental hazard caused by solar fluid!
After the solar system has been taken out of
service, the flat collectors are still filled with
solar fluid which can escape during removal.
> During transport from the roof, close off
the pipe connections on the flat collector
with cover plugs.
> Unfasten the hydraulic connections.
> Unfasten the brackets.
> Take the flat collector from the roof.
> Remove the cover plugs.
> Completely drain the flat collector into a canister via
both of the lower connections.
> Insert the cover plugs again.
> Deliver the solar fluid to a proper disposal facility
(¬ Chap. 7.3).
> Pack the flat collectors adequately.
> Deliver the flat collectors to a proper disposal facility
(¬ Chap. 7.1).
Installation manual auroTHERM 0020100606_02