48
60T - 280T
COSMOGAS
15.4 - Converting 60T and 70T
model appliances from one
type of gas to another
ATTENTION !!! Read these instructions carefully
before changing the gas:
- The gas equipment must be installed, calibrated or
modified by specialised personnel according to the
terms of the law;
- Check and be sure that the type of gas that is supplying
the appliance is compatible with the regulation kit you
have;
- Do not supply the appliance with a different type of gas
than those provided for.
Figure 15-4 - Gas nozzle replacement
Figure 15-3 - Gas valve lifting
Figure 15-2 - Gas valve disassembly
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Contents:
The Kit (standard supplied with the appliance) is made up of
- label bearing the new type of gas, a gas nozzle for each
burner and an instruction sheet;
To change the gas, proceed as follows:
1 - Switch off the appliance by turning the main switch to
the OFF position (part “T” in figure 16-1);
2 - Close the gas supply cock;
3 - open the boiler casing as described in section 17.2;
4 - Unscrew fitting “H” in figure 15-2;
5 - With the help of a screwdriver, remove fork “A” in figure
15-2;
6 - Remove the gas valve with fitting “C” as in figure 15-3
(being careful of OR “L” in figure 15-3);
7 - Replace nozzle “G” in figure 15-4 with the one in the kit,
checking table 15-8 to make sure the diameter corresponds;
8 - Reinstall the gas valve, taking care to correctly position
OR “L” in figure 15-3 and the gasket of fitting “H” in figure
15-2;
9 - Reposition fork “A” in the locking seat;
10 - Screw on fitting “H” in figure 15-2;
11 - Open the gas supply valve;
12 - Make sure there are no leaks from fitting “H” in figure
15-2;
ATTENTION !!!
Run the seal test exclusively
with a soap-based water solution. Using naked
flames is absolutely prohibited.
13 - Switch on the appliance by turning the main switch to
the ON position (part “T” in figure 16-1);
14 - Completely unscrew screw “E” in figure 15-6
anticlockwise;
15 - Check the gas pressure, following section 15.7; the
minimum pressure must not be less than 10 mbar, while
the maximum must not exceed 45 mbar;
16 - Check and regulate the CO2 following the procedure
referred to in section 15.8 and checking the value in
figure 15-8;
ATTENTION !!!
The measurements must be
taken with calibrated, guaranteed instruments
that ensure an accurate reading.
17.- Check the appliance output heat following section 15.9;
18.- on the front casing of the appliance, in the place of
the label identifying the old adjustment status, apply the
self-adhesive plate
(see figure 15-7), bearing the new
adjustment status of the appliance, as follows: apply label
“B” if the appliance was converted from methane to LP
gas; apply label “A” if the appliance as converted from LP
gas to methane.
ATTENTION !!!
If you smell gas:
A - Do not activate any electrical appliances,
including telephones or any objects that could
create sparks;
B - Immediately open the doors and windows to
create an air current to quickly rid the room of
gas;
C - From another room or from a neighbour’s
if there is no other room, immediately call a
professionally qualified technician or the gas
supply company. If they are unavailable, call the
Fire Brigade.
15 - COMMISSIONING
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