Reading Maintenance Messages; Checking The Condensate Drain Pipework And Tundish; Decommissioning; Temporarily Decommissioning The Product - Vaillant ecoTEC sustain 24 Operating Instructions Manual

6.3 Reading maintenance
messages
If the symbol is shown in the display, the
product requires maintenance work.
The product is not in fault mode but contin-
ues to operate.
▶
Consult a competent person about this.
▶
If the water pressure is flashing at the
same time, simply add more heating
water.
6.4 Checking the condensate
drain pipework and tundish
The condensate drain pipework and tun-
dish must always be penetrable.
▶
Regularly check the condensate drain
pipework and tundish for faults and,
particularly, for blockages.
You must not be able to see or feel any
obstructions in the condensate drain pipe-
work and tundish.
▶
If you notice a fault, have it rectified by
a competent person.

7 Decommissioning

7.1 Temporarily decommissioning
the product
Caution.
Risk of material damage due
to frost.
The frost protection and mon-
itoring devices are only active
while the unit is connected to
the power mains and switched
on via the on/off button, and
when the gas isolator cock is
open.
▶
Temporarily decommission
the product only if no frost is
expected.
0020253095_01 ecoTEC sustain Operating instructions
Decommissioning 7
▶
Press the on/off button.
◁
The display goes out.
▶
When decommissioning the product
for a prolonged period (e.g. holiday),
close the gas isolator cock and also, for
combination products, the cold water
stop valve.
7.2 Permanently
decommissioning the product
▶
Have a competent person permanently
decommission the product.

8 Recycling and disposal

▶
The competent person who installed
your product is responsible for the dis-
posal of the packaging.
If the product is identified with this
symbol:
▶
In this case, do not dispose of the
product with the household waste.
▶
Instead, hand in the product to a collec-
tion centre for old electrical or electronic
appliances.
If the product contains batteries that
are marked with this symbol, these bat-
teries may contain substances that are
hazardous to human health and the envir-
onment.
▶
In this case, dispose of the batteries at
a collection point for batteries.
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