Empire Comfort Systems VFD26F - Manual (Page 21)

Page 21 23466-0-0407
Cleaning and Maintenance/Pilot
Oxygen Depletion Sensor Pilot
When the pilot has a large yellow tip flame, clean the Oxygen
Depletion Sensor as follows:
1. Clean the ODS pilot by loosening nut B from the pilot tubing.
When this procedure is required, grasp nut A with an open end
wrench.
2. Blow air pressure through the holes indicated by the arrows.
This will blow out foreign materials such as dust, lint and spider
webs. Tighten nut B also by grasping nut A.
Warning:
Never use needles, wires, or similar cylindrical objects to
clean the pilot to avoid damaging the calibrated ruby that
controls the gas flow.
The (A)VFD26F(M,P)3 gas control maximum and minimum
inputs are listed below.
OFF is the OFF position.
PILOT is the PILOT position.
(A)VFD26F(M,P)3
Max.
20,000 BTU/HR
Min. 14,000 BTU/HR
(A)VFD26FP3L10
Max.
10,000
Min. N/A
(A)VFD26F(M,P)2 Main Burner Operation
The gas control modulates from a minimum input of 14,000 BTU/
HR ("LO" (1) setting) to a maximum input of 20,000 BTU/HR
("HI" (5) setting).
Figure 20
Cleaning and Maintenance / Main Burner
Warning: Turn off heater and let cool before cleaning.
Caution: You must keep control areas, burner and circulating air
passageways of heater clean. Inspect these areas of heater before
each use. Have heater inspected yearly by a qualified service person.
Heater may need more frequent cleaning due to excessive lint from
carpeting, bedding materials, etc.
Logs
Be careful cleaning and handling logs so as not to damage them.
If logs break or fall apart in handling, spray the broken pieces and
fibers with water, sweep up and discard.
MAIN BURNER AND THERMOSTAT OPERATION