Gas Conversion Instruction - HTW Modulante A02 series Owners And Installation Manual

To technician personnel
5 Gas Conversion
Different gas conversion of gas water heater must be carried out by professional
technician personnel.
Any broken seals shall be re-made and/ or any adjuster shall be sealed.
A self-adhesive label which is intended to be fitted on the water heater shall be supplied
with the parts and the conversion instructions provided by
marking indicating the appliance conversion shall be stated on the label.
5.1

Gas conversion instruction

(1): Gas manifold must be changed in order to converse to different gas type
1. Dismantle the ignition tube that connecting the ignition pin and valve assembles;
2. Dismantle the screw that connecting the manifold and valve and apart the burner from valve assembles;
3. Dismantle the manifold from the burner
4. Dismantle the valve assembles from the valve holder
5. Replace the manifold; please refer to the graph "Nozzle Specification" shown in "Technical Date", and
install the correct manifold to the according burner.
6. Replace the valve assembles; please refer to that the valve assembles specification of NG gas type is
LIV-111N-20 and that for LPG gas type is LIV-111L-29, and install the according valve assembles to
the valve holder
7. Install the screw of manifold to the valve assembles and use the O shape rubber seals into the connection
8. Fix the ignition tube to the ignition pin and valve and use the O shape rubber seals into the connection
9.Check if the connecting parts between burner and valve are fixed firmly
10. After conversion and before the first use, please refer to "Nozzle Specification" shown in "Technical Date"
for rated pressure and perform the leakage testing
10
. The supplementary