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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Thermo Products OH6FA072DV4N, OH8FA119DV5R, OH8FA119D60R Mounting the 2-STAGE Riello Burner, BTU/HR Heating Capacity

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