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2
Safety and general instructions
DANGER
if flammable gas explodes.
Beware if you smell gas: there may be an
explosion hazard!
Warning: If the information in these
instructions is not followed exactly, a fire
or explosion may result causing property
damage, personal injury or death.
Do not store or use gasoline or other flam-
mable vapors and liquids in the vicinity of
this or any other boiler.
What to do if you smell gas
Do not try to light any boiler.
Do not touch any electrical switch; do not
use any phone in your building.
Immediately call your gas supplier from
a neighbor's phone. Follow the gas
supplier's instructions.
If you cannot reach your gas supplier, call
the fire department.
Installation and service must be performed by
a qualified installer, service agency or the gas
supplier.
WARNING
Danger of fatal accident from explosive
fumes.
Only carry out work on gas pipes and
fittings if you are properly registered.
WARNING
Dangerous flue gas can escape if the air
supply is insufficient.
Make sure that air vents are not reduced
in size or obstructed.
The boiler may only be operated after the
defect has been remedied.
Warn the user of the system of the defect
verbally and in writing.
2.4
Heating system requirements
– Installing a dirt trap like a y-strainer and a desludging
device is required. This must be installed in the heating
system in the immediate vicinity of the boiler, in an
easily accessible position between the boiler and the
lowest point in the return of the system.
– Clean the dirt trap at every annual service.
– Never use salt bedding type exchangers (ion
exchangers) to soften the water.
8
Logamax plus GB162-80 kW/100 kW - Subject to modifications resulting from technical improvements!
– The low loss header and boiler connection set must be
installed (supplied with the boiler).
– When using oxygen-permeable pipes (plastic), e.g. for
floor heating systems, you must separate the system
using secondary heat exchangers.
2.5
Heating system water quality
The quality of the system water is very important. Poor
water quality can damage heating systems due to scale
formation and corrosion. For further details, please see
the accompanying "Water quality requirements for
Logamax plus GB162-80 kW/100 kW" manual.
CAUTION
Risk of system damage due to unsuitable
heating system water.
If oxygen-permeable pipes are used, e.g.
for underfloor heating systems, the
systems must be separated from one
another by plate heat exchangers.
Unsuitable heating system water
promotes sludge and corrosion forma-
tion. This can result in heat exchanger
malfunction and damage.
2.6
Pump test
If the boiler has not been operational for approx. 4 weeks,
the pump will automatically run for 10 seconds every
24 hours. This pump test is first carried out 24 hours after
the main power has been connected to the boiler.
2.7
Freeze protection
The boiler has integrated freeze protection that switches
the boiler ON at a space heating (CH) water temperature
of 45 °F (7 °C) and switches it OFF at a CH flow tempera-
ture of 59 °F (15 °C).
This feature does not protect the central heating system
from freezing. If there is a risk of radiators or pipe sections
freezing up, we recommend setting the pump run-over
time to 24 hours. See paragraph 13.4 on page 73.
2.8
Tools, materials and further equipment
For the installation and maintenance of the boiler you will
need the standard tools for space heating, gas and water
fitting. In addition, a handtruck with a fastening belt is
useful.
2.9
Disposal
– Dispose of the boiler packaging in an environmentally
sound manner.
– Dispose of components of the heating system (e. g.
boiler or control device), that must be replaced in an
environmentally responsible manner.
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