Raypak 2600401 operating instructions Piping

3)Pilot Outage.		1) Too low or too high gas		1)	Adjust inlet gas pressure as
	(Standing pilot models)		pressures.		shown on rating plate.
		2)	Restricted pilot.	2)	Clean pilot orifice.
		3)	Weak thermocouple.	3)	Replace thermocouple.
4)Yellow lazy flame.		1) Too low gas pressure.		1) Adjust manifold pressure as
					shown on rating plate.
		2)	Restricted burner intake ports.	2) Clean burners free of debris or
					insects.
		3)	Restricted gas line.	3) Clean gas line or increase gas line
					piping.
5)Sooting		1) Insufficient combustion air.		1)	Refer to installation instructions
					regarding combustion air
					requirements.
		2)	Improper venting.	2)	Refer to installations instructions.
		3) Severe yellow burner flames.		3)	See yellow flame section above.

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