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This conversion involves changing the mixing assembly. There is no propane orifice.

Figure 1 

Gas valve and fan

   Fan

Mixing device

   Gas high pressure switch 

Inlet gas pressure test port (location of) 

Gas low pressure switch 

Low fire adjustment (zero-offset) 

High fire adjustment(on the side) 

Shutoff valve

2

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Summary of Contents for P-1201

Page 1: ...cable codes and requirements of the authority having jurisdiction If the information in these instructions is not followed exactly a fire an explosion or production of carbon monoxide may result causi...

Page 2: ...mbly There is no propane orifice Figure 1 Gas valve and fan Fan Mixing device Gas high pressure switch Inlet gas pressure test port location of Gas low pressure switch Low fire adjustment zero offset...

Page 3: ...Carefully separate the two parts remove and retain the O ring for re assembly See in image below 7 Remove the four 4 hex bolts that connect the mixing device to the air filter box The gasket should re...

Page 4: ...iler control upon a call for heat or DHW turns on the combustion fan for a 20 second pre purge then energizes the spark electrode and gas valve for a 4 second trial for ignition If the burner does not...

Page 5: ...high fire 5 Before firing the boiler turn the high fire gas air ratio adjustment screw clockwise to 1 full turn to decrease the fuel leaning the mixture before firing up the boiler 6 Before you change...

Page 6: ...esults to confirm correct settings Note Clock the gas meter to confirm full maximum rating plate input Check the measured results with Table for Rated Input of a Converted Boiler 5 Run the boiler to l...

Page 7: ...t 1201 7 Completing and affixing the conversion labels 1 Fill in the conversion labels included in the kit associated with the new fuel type 2 Place the conversion labels onto the boiler at the positi...

Page 8: ...Where to place conversion labels on the boiler 8...

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