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Page 16 20248-2-0806
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 VF24FP2-1 gas control maximum and minimum inputs
are listed below.
OFF is the OFF position.
PILOT is the PILOT position.
VF24FP2-1
Max. 20,000 BTU/HR
Min. 7,000 BTU/HR
VF24FP2-1 can be converted to 10,000 BTU for Bedroom
Installation
Max. 10,000 BTU/HR
Min. 7,000 BTU/HR
Figure 19
For installation in a bedroom the VF24FP2-1, 20,000 BTU input
must be converted to a 10,000 input fireplace.
Attention: Main burner orifice for conversion to 10,000 BTU's is
located in your Owner's Envelope.
Bedroom Installation: VF24FP2-1 Only
The bedroom must be an unconfined space. ANSI Z223.1/NFPA54
defines an unconfined space as “a space whose volume is not less
than 50 cubic feet per 1,000 BTU per hour (4.8m
3
per kw) of the
aggregate input rating of all appliances installed in that space.”
Refer to "Provisions for Adequate Combustion and Ventilation
Air," Page 6.
Instructions for Conversion of a VF24FP2-1 into a 10,000 BTU
unit:
1. If installed, turn OFF gas supply to fireplace.
2. Lift upward to remove screen front.
3. Remove logs from fireplace.
4. Remove rear log support from inner casing [three (3) 10 x 1/2"
screws].
5. Disconnect supply tubing from orifice fitting.
6. Remove air shutter and orifice fitting from venturi (throat) of
main burner by removing one (1) Phillips screw.
7. For Natural gas only, remove coupling from orifice fitting.
8. Remove air shutter from orifice fitting.
9. For Natural gas only, remove 20,000 BTU main burner orifice
marked 49 from orifice fitting and replace with 10,000 BTU
VF24FP3-1 Main Burner Operation
The gas control modulates from a minimum input of 14,000
BTU/HR (LO setting) to a maximum input of 20,000 BTU/HR
(HI setting).
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 orifice
marked 1.30mm.
9. For Propane (LP) gas only, remove 20,000 BTU, main burner
orifice marked 55 from orifice fitting and replace with 10,000
BTU main burner orifice marked 64.
10. Replace air shutter onto orifice fitting.
11. For Natural gas only, replace coupling onto orifice fitting.
12. Attach air shutter and orifice fitting onto venturi (throat) of
main burner with one (1) Phillips screw from Step 6.
Attention: Air shutter will have a 1/16" opening on Natural
gas. Air shutter will be fully open on Propane (LP) gas.
13. Attach supply tubing onto orifice fitting.
14. Attach rear log support to inner casing with three (3) 10 x 1/2"
screws from Step 4.
15. Turn on gas supply to fireplace and check all gas connections
for leaks with soap solution, watching for bubbles on all gas
connections.
16. Install logs into fireplace, refer to "Log Placement", Page 12.
17. Replace screen front onto fireplace.
18. Check main burner flame for proper flame characteristics. Refer
to "Operation Instructions/Flame Appearance, Page 20.
19. Refer to rating plate in order to check box for which installation
applies, either 20,000 or 10,000 BTU input.
20. Conversion from 20,000 BTU to 10,000 BTU input fireplace
is completed.
MAIN BURNER AND THERMOSTAT OPERATION
VF24FP2-1: CONVERSION TO 10,000 BTU'S FOR BEDROOM INSTALLATION