Sime ALU HE, User, Installation And Servicing Instructions

Page: 91 / 100

91
EN
6.9 Gas conversion
m
CAUTION
Conversion may ONLY be carried out by Professionally
Qualified Personnel.
Sime ALU HE
boilers in the
80
,
116
,
160
and
200
models are
supplied to operate with G20 gas, but can also function using
G31 gas.
If the gas used is changed, run the full appliance “Commission
ing” procedure.
OFF
Fig. 34
– close the gas valve
– make sure that no hot parts inside the appliance are touched
– connect the gas line to the fuel tank
– loosen the screw on the mains tapping point (1) on the gas
valve and connect a pressure gauge
GAS VALVE
ALU HE 80
ALU HE 116
ALU HE 160-200-240-280
1
1
1
Fig. 35
– start the boiler, proceeding as described under Commissioni
ng in this manual
– if the parameters have already been set, check that they are
correct. If they are not correct, adjust the settings
– activate the Chimney sweeper function, following the
procedure described in the relevant paragraph.
m
CAUTION
If the gas supply is changed from G20 to G31, mark the
box on the TECHNICAL DATA PLATE.
Marking is
OBLIGATORY
only for models
ALU HE 80
,
116 , 160 and 200 .
X
G31 - 37 mbar