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4.9
Removing the side section
2X
A
B
Caution.
Risk of material damage caused by mech-
anical deformation.
Removing both side sections may cause
mechanical distortion in the product, which
may cause damage to the piping, for ex-
ample, and potentially result in leaks.
▶
Always only remove one side section –
never both side sections at the same time.
▶
Remove the side section as shown in the illustration.
5
Installation
Danger!
Risk of explosion or scalding caused by
incorrect installation.
Stresses in the connection cable can cause
leaks.
▶
Make sure there is no stress in the con-
nection cables when they are installed.
0020258016_00 ecoTEC pure Installation and maintenance instructions
Caution.
Risk of material damage due to the gas
leak-tightness test.
At a test pressure of >11 kPa (110 mbar), gas
leak-tightness tests may cause damage to
the gas valve.
▶
▶
▶
C
Caution.
Risk of material damage caused by corro-
sion
D
Due to non-diffusion-tight plastic pipes in the
heating installation, air gets into the heating
water. Air in the heating water causes corro-
sion in the heat generator circuit and in the
product.
▶
Caution.
Risk of material damage due to heat trans-
fer during soldering.
▶
Caution.
Risk of material damage caused by
changes to the connected pipes.
▶
Installation 5
If, during gas leak-tightness tests, you
also place the gas lines and the gas valve
in the product under pressure, use a max.
test pressure of 11 kPa (110 mbar).
If you cannot limit the test pressure to
11 kPa (110 mbar), close any gas isolator
cocks that are installed upstream from the
product before you carry out the gas leak-
tightness test.
If, during gas leak-tightness tests, you
have closed the gas isolator cock that is
installed upstream of the product, relieve
the gas line pressure before you open this
gas isolator cock.
If you use non-diffusion-tight plastic pipes
in the heating installation, ensure that no
air gets into the heat generator circuit.
Only solder connectors if the connectors
are not yet screwed to the service valves.
Only bend connection pipes if they have
not yet been connected to the product.
11
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