52
Figure 26: Location of Supply/Return Air Filter
Filter replacement:
To ensure an adequate replacement filter is selected, should the filter require replacing, refer to Table 4,
in
Air Filters
section of this manual, for the minimum filter areas required for different types of available
filters.
NOTICE: Remind the homeowner of the importance of monthly filter inspections
during operation to ensure maximum operating efficiency.
G. EXTENDED APPLIANCE SHUTDOWN:
Should the appliance be shutdown or turned off for an extended period of time, several steps can be
taken to help insure a smooth and reliable restart of the heating system.
: Do not attempt to start burner when:
•
Primary reset has been engaged more than two times.
•
Excess oil has accumulated in the combustion chamber or beneath
the burner assembly.
•
The combustion chamber or the heat exchanger is full of fuel vapor.
•
The combustion chamber is very hot.
Summary of Contents for OD6FA072D48B
Page 5: ...2...
Page 61: ...58 VIII Sequence of Operations Flow Chart...
Page 62: ...59...
Page 63: ...60 IX Trouble Shooting Flow Chart...
Page 64: ...61...
Page 65: ...62...
Page 66: ...63...
Page 67: ...64...
Page 69: ...66 Appendix A Replacement Parts Replacement Parts for OD6F 072D...
Page 70: ...67...
Page 71: ...68 Replacement Parts for OD6R 072D...
Page 72: ...69...
Page 73: ...70 Appendix B Wiring Diagrams OD6 A072D48 PSC Wiring Diagram...
Page 74: ...71 OD6 A072DV5 ECM Wiring Diagram...
Page 75: ...72 OD6 X072DV5 ECM 2 Stage Wiring Diagram...
Page 76: ...73...