33
Maintenance instructions
ENGLISH
4.4 - IMPORTANT NOTES
EX AMPLE OF COMPILATION
- when the conversion is complete, ll in the
information required on the lab el supplied w ith
the it and appl it net to the technical data
lab el of the b oiler.
NOTE
The safety pressure switch against lack
of water does not give electric consent for
b urner start when the pressure is b elow
0.4 b ar.
The water pressure in the heating syst em
must not drop b elow 0.8/1 b ar; open the
lling tap on the boiler when the pressure
is too low.
This operation must b e performed with a
cooled system. The pressure gauge tted
on the b oiler allows yo u to read the circuit
pressure.
NOTE
If the b oiler was without electric power,
after a certain idle period, the pump could
b e b locke d. B efore electrically powering
the b oiler, the pump must b e unb locke d
b y operating as follows:
Remov e the protectiv e screw from the
pump centre using a cloth and insert a
screwdriver, manually turning the pumps
shaft clock wise. After hav ing unb lock ed
the pump, tighten the protectiv e screw
and make sure there is no water leaka ge.
ATTENTION!
After remov ing the protectiv e screw, a
small amount of water could leak out. Dry
all wet surfaces b efore re-assemb ling the
casing.
ENGLISH
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ENGLISH
The safety pressure switch against lack
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The safety pressure switch against lack
of water does not give electric consent for
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of water does not give electric consent for
b urner start when the pressure is b elow
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b urner start when the pressure is b elow
The water pressure in the heating syst em
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The water pressure in the heating syst em
must not drop b elow 0.8/1 b ar; open the
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must not drop b elow 0.8/1 b ar; open the
lling tap on the boiler when the pressure
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lling tap on the boiler when the pressure
This operation must b e performed with a
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This operation must b e performed with a
cooled system. The pressure gauge tted
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cooled system. The pressure gauge tted
on the b oiler allows yo u to read the circuit
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on the b oiler allows yo u to read the circuit
pressure.
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pressure.
If the b oiler was without electric power,
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If the b oiler was without electric power,
after a certain idle period, the pump could
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after a certain idle period, the pump could
b e b locke d. B efore electrically powering
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b e b locke d. B efore electrically powering
the b oiler, the pump must b e unb locke d
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the b oiler, the pump must b e unb locke d
b y operating as follows:
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b y operating as follows:
Remov e the protectiv e screw from the
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Remov e the protectiv e screw from the
pump centre using a cloth and insert a
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pump centre using a cloth and insert a
screwdriver, manually turning the pumps
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screwdriver, manually turning the pumps
shaft clock wise. After hav ing unb lock ed
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shaft clock wise. After hav ing unb lock ed
the pump, tighten the protectiv e screw
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the pump, tighten the protectiv e screw
and make sure there is no water leaka ge.
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and make sure there is no water leaka ge.
TTENTION
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TTENTION
A
TTENTION
A
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A
TTENTION
A
After remov ing the protectiv e screw, a
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After remov ing the protectiv e screw, a
small amount of water could leak out. Dry
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small amount of water could leak out. Dry
all wet surfaces b efore re-assemb ling the
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all wet surfaces b efore re-assemb ling the
casing.
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casing.
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