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4.16.2 Switching off heating mode (Summer
mode)
1.
To switch off heating mode without switching off hot
water generation, press
◁
The value of the heating flow temperature appears
in the display.
2.
Use the
button to set the heating flow temperature to
Heating off.
3.
Confirm by pressing
◁
Heating mode is switched off
◁
The
symbol appears in the display.
4.17
Protecting the heating installation against
frost
4.17.1 Frost protection function
Caution.
Risk of material damage due to frost.
The frost protection function cannot guaran-
tee flow through the entire heating installa-
tion, which means that parts of the heating
installation may freeze and therefore become
damaged.
▶
During a period of frost, ensure that the
heating installation remains in operation
and that all rooms are sufficiently heated,
even when you are away.
Note
To keep the frost protection devices active, you
should switch your product on and off using the
controller, if one is provided.
If the heating flow temperature falls below 5 °C when the
on/off button is on, the product comes into operation and
heats the circulating water to approx. 30 °C on both the heat-
ing side and the hot water side (if available).
4.17.2 Draining the heating installation
Another way to protect the heating installation and the
product from frost for very long switch-off times is to drain
them completely.
▶
Consult a competent person about this.
5
Detecting and rectifying faults
▶
If faults occur, proceed in accordance with the table in
the appendix.
Troubleshooting (→ Page 13)
▶
If you are unable to eliminate the faults using the spe-
cified measures, if fault messages (F.xx) are displayed,
or if the product does not function correctly, contact a
competent person.
0020189874_03 ecoTEC exclusive Operating instructions
( ).
.
Detecting and rectifying faults 5
6
Calling up (Live monitor) status
codes
1.
Press
and
at the same time.
◁
The menu is called up.
Navigate to Menu → Live monitor and confirm by
2.
pressing
.
Status codes – Overview (→ Page 14)
7
Care and maintenance
7.1
Maintenance
An annual inspection and biennial maintenance of the
product carried out by a competent person is a prerequisite
for ensuring that the product is permanently ready and
safe for operation, reliable, and has a long service life. The
inspection may require maintenance to be carried out earlier,
depending on the results.
7.2
Caring for the product
▶
Clean the casing with a damp cloth and a little solvent-
free soap.
▶
Do not use sprays, scouring agents, detergents, solvents
or cleaning agents that contain chlorine.
7.3
Reading maintenance messages
If the
symbol is shown in the display, the product requires
maintenance work. The product is not in fault mode; it contin-
ues to operate.
▶
Consult a competent person.
▶
If the water pressure is flashing at the same time, simply
add more heating water.
7.4
Checking the condensate drain pipework
and tundish
The condensate drain pipework and tundish must always be
penetrable.
▶
Regularly check the condensate drain pipework and tun-
dish for faults and, particularly, for blockages.
You must not be able to see or feel any obstructions in the
condensate drain pipework and tundish.
▶
If you notice a fault, have it rectified by a competent per-
son.
11
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