NEO FIRE – Technical Manual
66
17.4.2
Change of fuel: from Propane gas to Natural gas
The adjustments and modifications shall only be carried out by a qualified professional or competent person
In order to change fuel, it is enough
Re-programm the Siemens controller
To adjust the boiler combustion with the new fuel to the correct parameters, either for Natural Gas or for
Propane Gas. Check combustion adjustment paragrafh (17.4.1) for adjustments details.
Values of CO
2
, for Natural Gas
% CO
2
max load 9,5% ±0,3
% CO
2
min load
9,3% ±0,3
Values of CO
2
, for Propane
% CO
2
max load 10,6% ±0,3
% CO
2
min load
10,6% ±0,3
Change or update identification plate for the new gas
Change the adjustment of gas min pressostat in NEO FIRE 120 to NEO FIRE 360 to the following values:
Natural gas
15 mbar
Propane
25 mbar
This adjustment shall be sealed
Any interference with a sealed component is forbidden
The process is the same if you have to change from natural gas to propane.
Note: just available for models with power output up to 360 kW.
Summary of Contents for NEO FIRE 120
Page 1: ...TECHNICAL MANUAL OF INSTALLATION USE AND MAINTENANCE 07 2020 ...
Page 7: ...NEO FIRE Technical Manual 7 NEO FIRE 360 900 ...
Page 9: ...NEO FIRE Technical Manual 9 NEO FIRE 80 NEO FIRE 120 160 ...
Page 10: ...NEO FIRE Technical Manual 10 NEO FIRE 200 280 NEO FIRE 360 720 ...
Page 34: ...NEO FIRE Technical Manual 34 11 1 Electric drawing NEO FIRE 80 720 ...
Page 35: ...NEO FIRE Technical Manual 35 11 2 Electric drawing NEO FIRE 810 900 ...
Page 37: ...NEO FIRE Technical Manual 37 Electric drawing 1 Boiler with 3 heating circuits ...
Page 41: ...NEO FIRE Technical Manual 41 System drawing 1 Boiler and Domestic Hot Water DHWS ...
Page 58: ...NEO FIRE Technical Manual 58 System drawing D H W and heating circuit 11 11 ...
Page 59: ...NEO FIRE Technical Manual 59 System drawing of an old installation heating circuit 11 ...
Page 70: ...NEO FIRE Technical Manual 70 18 4 Position of probes and sensors ...