21
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
RATE
NOZZLE SIZE
Riello
INPUT RATE*
(BTU/HR)
EFFECTIVE**
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
Summary of Contents for Thermo Pride OH6FA072D48B
Page 5: ...2...
Page 33: ...30 Heating Speed Set ups 2 Stage OH6FX072DV4 Figure 18 2 ECM 2 stage blower motor speed chart...
Page 64: ...61 VIII Sequence of Operations Flow Chart...
Page 65: ...62...
Page 66: ...63 IX Trouble Shooting Flow Chart...
Page 67: ...64...
Page 68: ...65...
Page 69: ...66...
Page 70: ...67...
Page 72: ...69 Appendix A Replacement Parts Replacement Parts for OH6FA072D...
Page 73: ...70 Replacement Parts for OH8FA119D...
Page 74: ...71 Appendix B Wiring Diagrams OH6FA072D48 PSC Wiring Diagram...
Page 75: ...72 OH6FA072DV4 ECM Wiring Diagram...
Page 76: ...73 OH6FX072DV4 ECM 2 Stage Wiring Diagram...
Page 77: ...74 OH8FA1119D60 PSC Wiring Diagram...
Page 78: ...75 OH8FA1119DV5 ECM Wiring Diagram...
Page 79: ...76...