4
4 219 316 / 00
IMPORTanT nOTES
1.
Important notes
1.1
General safety instructions
The following points must be observed when performing
work on the TopGas
®
classic:
!
CAUTION
If you smell flue gas or gas
•
avoid naked flames and
the occurrence of sparks,
• do not smoke,
• take the system out of operation,
•
close the gas shut-off valve,
• Open windows and doors
• The system may only be placed in operation if all the
re levant standards and safety regulations have been
com plied with. However, for trial operation, the follow-
ing are the minimum conditions requiring fulfilment:
- Safety valve installed (closed system)
- Control in operation (connected to the mains current
supply system)
-
System filled with water
- Expansion tank connected
-
Boiler connected to a flue gas conduit installed in
com pliance with the relevant regulations.
- Burner preset.
• When performing maintenance and repairs
- Allow the gas condensing boiler to cool down.
-
Switch off the gas condensing boiler and disconnect it
from the power supply.
-
Close the gas shut-off valve.
-
Close all cut-off valves on the unit
(cold water, heating flow and return).
- If work on the components of the gas condensing boi-
ler which carry water is not performed correctly, the
heating medium may escape and lead to scalding.
- After performing repair and maintenance work, reat-
tach all cover plates which were removed.
- Do not exceed the maximum operating pressure and
op er ating temperature (see data plate) for the gas
con den sing boiler.
-
Open all cut-off valves on the unit (cold water, heating
flow and return).
-
Open gas shut-off valve.
WARNING
The heat generator can only be de-energised
by disconnection from the mains (e.g. all-
pole switch).
WARNING
All electric power supply circuits must be
switched off before accessing the terminals.
1.2
Explanation of the symbols
1.2.1 Warnings
!
DANGER
... indicates a situation of immediate danger
which will lead to serious or fatal injuries if
not avoided.
!
WARNING
... indicates a situation of possible danger
which can lead to serious or fatal injuries if
not avoided.
!
CAUTION
... indicates a situation of possible danger
which can lead to minor or slight injuries if
not avoided.
NOTICE
... indicates a situation of possible danger
which can lead to damage to property if not
avoided.
1.2.2 Warning symbols
The following warning signs are combined for the warn-
ing notes with signal words CAUTION, WARNING and
DANGER.
!
General warning of a danger zone.
«Warning: dangerous electrical voltage» as a
warning for accident prevention.
Ensures that people do not come into contact
with electrical voltage. The danger sign with
the black lighting symbol warns against the
danger of electrical voltage.
«Warning of hot surface» sign for indicating
safety.
Indicates dangers of injury and burns on hot
surfaces.
Incorrect handling of potentially explosive
substances can lead to serious damage, po-
tentially fatal injuries and incalculable costs.
Danger: Substances with a corrosive effect on
skin, eyes and respiratory organs; can cause
irritation.
Handling: Do not inhale vapours and avoid
contact with skin and eyes.
Содержание TopGas classic 100
Страница 46: ...46 4 219 316 00...
Страница 47: ...47 4 219 316 00...