Operating instructions ecoTEC plus 93714
4.8 De-commissioning
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iFP
1
Fig. 4.16 Switching off the appliance
• Turn the main switch (1) to the position "0“.
a
Caution!
The frost protection and monitoring systems
are only active when the main switch of the
appliance is in the "I" position and it is not
disconnected from the mains power supply.
In order not to switch off this safety device, you should
switch your heating unit on and off using the regulator.
h
Note!
In the case of longer periods of de-
commissioning (e.g. holidays) you should, in
addition, turn off the gas supply stop-cock and
the cold water stop-cock as well as switching
off the power supply.
Note!
With ecoTEC central heating units equipped
with a hot water storage tank, you should only
switch it off if hot water is not required.
4.9 Frost protection
The frost protection function only protects the boiler. All
other parts of the system which are at danger from frost
must be protected accordingly.
a
Caution!
The frost protection and monitoring systems
are only active when the main switch of the
appliance is in the "I" position and it is not
disconnected from the mains power supply.
Frost protection function
The gas wall-mounted boiler is equipped with a frost
protection function:
If the heating feed temperature falls below 5 °C with the
main switch on, the unit starts up and heats the unit
heating circuit to approx. 30 °C.
a
Caution!
Danger of freezing up of parts of the entire
installation
The frost protection system cannot guarantee
flow through the entire heating system.
4.10 Maintenance and customer service
Inspection and maintenance
Permanent operational readiness, reliability and a long
service life require inspections and maintenance work to
regularly carried out by a heating engineer or Valliant.
Further information can be obtained from Vaillant
Service Solutions . (0870 6060 777).
d
Danger!
Danger to persons and material damage can be
caused by inappropriate handling!
Never attempt to perform maintenance or
repairs on the gas wall-mounted boiler yourself.
Assign an approved qualified servicing company
with this work. We recommend making a
maintenance agreement.
The operational reliability of the device can be
impaired, resulting in damage to property or
personal injury, if maintenance work is not
carried out.
Regular servicing ensures maximum efficiency and
economical operation of your gas wall boiler.
4 Operation
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