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4 213 894 / 01
IMPORTANT INFORMATION
1.
Important notes
The following points must be observed when performing
work on the TopGas
®
:
!
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
relevant standards and safety regulations have been
complied with. However, for trial operation, the fol-
lowing 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
compliance 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
operating temperature (see type label) for the gas
condensing boiler.
- Open all cut-off valves on the unit (cold water, hea-
ting 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-po-
le switch).
WARNING
All electric power supply circuits must be
switched off before accessing the terminals.
1.1
On delivery
Carry out a visual inspection immediately on receiving the
boiler. If any damage is found, take the necessary steps
as defined in the delivery contract. The respective risk
carrier bears the cost of repairs.
1.2
Guarantee
The warranty does not cover defects attributable to:
- Failure to comply with these instructions
- Failure to comply with the operating instructions
- Incorrect installation
- Impermissible modifications
- Incorrect handling
-
Contaminated operating materials (gas, water,
combustion air)
- Unsuitable chemical additives to the heating water
- Damage caused by the application of force
- Corrosion by halogen compounds (e.g. paints, ad-
hesives, solvents)
- Corrosion caused by not observing the required
water quality
1.3
Instructions
All instructions relevant to your system can be found in
the Hoval system manual! In exceptional cases, the inst-
ructions can be found with the components!
Further sources of information:
- Hoval catalogue
-
Standards, regulations
Summary of Contents for TopGas 80
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