Vaillant VRT 350, Руководство по эксплуатации, Страница: 6 / 36

2 Safety
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Operating instructions VRT 350 0020135485_00
2 Safety
2.1 Action-related warnings
Classification of action-related warnings
The action-related warnings are classified in accordance
with the severity of the possible danger using the following
warning symbols and signal words:
Warning symbols and signal words
Danger!
Imminent danger to life or risk of severe per-
sonal injury
Danger!
Risk of death from electric shock
Warning!
Risk of minor personal injury
Caution!
Risk of material or environmental damage
2.2 Required personnel qualifications
These instructions are aimed at those who are able to oper-
ate a heating installation but do not have any special tech-
nical knowledge or experience.
2.2.1 Operator
Definition:
Instructed
operator The operator is charged with operation and
maintenance of the unit. He/she must ensure
compliance with maintenance intervals. He/she
does not require any special technical know-
ledge or experience.
The operator must have been instructed in
the following topics by the authorised skilled
tradesman.
–
General safety information
–
Function and location of safety devices on
the system
–
Operation of the unit
–
Energy-saving operation
–
Maintenance operations
2.3 General safety information
2.3.1 Installation only by a skilled tradesman
Installation of the unit can be only carried out by an ap-
proved, skilled tradesman. This skilled tradesman is also
responsible for proper installation and start-up.
2.3.2 Risk of scalding as a result of hot drinking
water
There is a risk of scalding at the hot water draw-off points
if the set target temperature is greater than 60 °C. Young
children and elderly persons are particularly at risk, even at
lower temperatures.
▶ Select a moderate target temperature.
2.3.3 Danger caused by a malfunction
▶ Ensure that air can circulate freely around the controller,
and that the controller is not covered by furniture, cur-
tains or other objects.
▶ Ensure that all radiator valves in the room where the
controller is fitted are fully open.
▶ Only operate the heating installation when it is in a tech-
nically perfect condition.
▶ Ensure that any faults and damage that may negatively
affect safety are rectified immediately.
2.3.4 Frost damage caused by switching the unit
off
If you switch off the heating installation, parts of the heat-
ing installation may be damaged by frost.
▶ Do not disconnect the heater from the power mains.
▶
Leave the heating installation main switch in the "1" posi-
tion.
2.3.5 Frost damage caused by excessively low
room temperature
If the room temperature is set too low in individual rooms,
sections of the heating installation might be damaged by
frost.
▶ If you are absent during a frosty spell, ensure that the
heating installation remains in operation and the rooms
are warmed adequately.
▶ Please note the frost protection function.