Thermo Products OHFA199DV5B MOUNTING THE 2-STAGERIELLO BURNER, Stage Firing Rates, Capacity

For more specific burner information, specifications or service information, reference the training manual enclosed with each Riello burner or contact:

Riello Corporation of America,

5 Pond Park Road Hingham, Massachusetts 02043

Phone: (617) 749-8292

2 STAGE FIRING RATES

CAPACITY	FIRING	NOZZLE SIZE	INPUT RATE*	EFFECTIVE**
	RATE	Riello	(BTU/HR)	HEATING
				CAPACITY
HIGH CAPACITY	HIGH FIRE	.70 X 45° W	106,250/170psi	90,000
	LOW FIRE		85,000/130psi	74,000
LOW CAPACITY	HIGH FIRE	.50 X 45° W	85,000/170psi	74,000
	LOW FIRE		70,000/130psi	60,000

Table 9: Riello 2-stage firing rates

*Based on #2 domestic heating fuel oil having heating value of 140,000 BTU per gallon.

**Based on thermal efficiency of 84%-85%.

MOUNTING THE 2-STAGE RIELLO BURNER:

It is necessary that the insulation gasket be placed between the mounting plate and the burner flange. The insulating gasket has six holes, which, if necessary, can be modified as shown. (see figure 14-1)

Figure 14-1: Burner gasket and mounting Figure 14-2: Burner fixing and hinge assembly

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