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MAIN BURNER ORIFICE
CAUTION: THERE MAY BE MOMENTARY AND SPASMODIC ORANGE FLASHES IN THE FLAME.
This is caused by the burning of air borne dust particles and is not to be confused with the yellow tipping which is a stable or permanent situation when there is insufficient primary air.
This appliance was shipped from the factory with an orifice sized to give the correct gas input using the gas for which the heater was equipped. There may be local conditions, such as variation in gas supply pressure or BTU content of the gas, which may be cause for a change in the orifice. The gas company supplying the fuel or the installing contractor should check the gas input rate.
If the rate exceeds the “BTUH INPUT” on the rating plate by
5%, the orifice must be replaced with a smaller orifice by a qualified service technician to reduce the input to the rating plate value.
The input rate will need to be adjusted for elevation above
2,000 Feet. See the Specific Elevations chart (to the right) to determine the correct orifice size for your Model Number and elevation. These orifice sizes are based on a heating value of 1020 for Natural Gas and 2500 for L.P. Gas.
CAUTION : As elevation increases, derating is necessary for the safe and proper operation of this heater. Do not increase the Btu input rate by increasing the orifice size or gas pressure. Allow for elevation derating when sizing gas heating equipment.
Specific Elevations
Model
No.
VC201
VC351
VC501
0 to
2,000’
NATURAL GAS
45
35
30
2,000’ -
4,000’
47
37
31
4,000’ -
6,000’
48
38
31
6,000’ -
8,000’
49
40
32
L.P. GAS
VC202
VC352
VC502
1.3mm
1.65mm
47
55
53
49
56
53
49
56
54
50
ORDER KIT #49820 45-1 High Altitude Kit
8,000’ -
10,000’
57
54
51
50
42
35
Fig. I: Proper Burner Flame
3” to 5”
1/4”
Inner Mantle 1/4” Outer Mantle 3 - 5”
Page 9 1017480-A
MAINTENANCE
THIS IS A GAS-FIRED APPLIANCE, KEEP THE AREA CLEAR OF GASOLINE AND OTHER FLAMMABLE
VAPORS & LIQUIDS. ALL COMBUSTIBLE MATERIAL MUST BE KEPT CLEAR OF THIS AREA.
Have a qualified service technician check the burner periodically. Remove and clean if necessary.
CLEANING - To clean the front casing of your heater, it is only necessary to use a soft cloth. Light dust can be removed in this way. To obtain a polish or gloss, use a little light machine oil on the cloth. Do not use metal polish or cleaning solution.
The burner ports should be kept free from lint and dust.
CLEANING OF COMBUSTION CHAMBER
The combustion chamber of your console heater should never need to be cleaned if proper burner adjustment and gas pressures are maintained. However, if an unusual circumstance should occur, the following procedure should be followed in cleaning your combustion chamber.
1. Turn off gas supply to heater at manual valve in supply line to heater.
2. Disconnect heater at ground joint union ahead of main gas valve.
3. Remove main control and orifice assembly.
4. Remove burner.
5. Remove combustion chamber.
6. Using a scraper, scrape inside of a primary combustion chamber. This should be area of heaviest accumulation of carbon.
7. Remove plug bottom located in bottom rear of second combustion chamber. Using a bottlebrush, clean inside of this chamber.
Shake residue out the clean-out hole.
8. Clean the rear chamber by using bottlebrush through the vent tube openings.
9. Replace combustion chamber, burner and control. Check all gas piping for leaks before lighting heater.
Repair service must be performed by a qualified service technician. The heater should be inspected before initial use. An annual cleaning of control compartment and safety performance check must be made by a qualified service technician. More frequent cleaning may be required when exposed to the excessive lint conditions due to carpeting and bedding material, etc.
It is imperative that the control compartment, burners, and circulating air passageways of the heater be kept clean. Any safety screen, casing top, or guard removed for servicing the heater must be replaced prior to operating heater.
If the venting system is not maintained in proper operating condition, the vent safety shutoff will not allow heater to operate.
Periodic examination of the entire venting system as a routine part of the safety performance check must be performed on an annual basis.
It is advised that the pilot and main burner flames be checked at least twice during the heating season for any changes in flame characteristics. See Figures H-2 & Figure I (on pages 8 & 9).
SERVICE RECORDS
1017480-A Page 10
LIGHTING INSTRUCTIONS
MODELS: VC201C / VC351C / VC501C
FOR YOUR SAFETY READ BEFORE LIGHTING
WARNING:
If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life.
A.
This appliance has a pilot which must be lighted by hand. When lighting the pilot, follow these instructions exactly.
B.
BEFORE LIGHTING smell all around the appliance area for gas. Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor.
WHAT TO DO IF YOU SMELL GAS:
• DO NOT try to light any appliance.
• DO NOT touch any electric switch;
DO NOT use any phone in your building.
• Immediately call your gas supplier from a neighbor’s phone. Follow the gas supplier’s instructions.
• If you cannot reach your gas supplier, call the fire department.
C. Use only your hand to push in or turn the gas control knob. Never use tools. If the knob will not push in or turn by hand, don’t try to repair it, call a qualified service technician. Force or attempted repair may result in a fire or explosion.
D. Do not use this appliance if any part has been under water. Immediately call a qualified service technician to inspect the appliance and to replace any part of the control system and any gas control which has been under water.
LIGHTING INSTRUCTIONS
1. STOP! Read the information on the safety label.
2. Turn temperature control knob to “OFF” or to it’s lowest position.
3. Depress and turn gas control knob clockwise to “OFF” position.
Fig. J-1
Gas Control Knob NOTE:
Knob can not be turned from
“PILOT” to “OFF” unless knob is pushed in slightly.
Do not force.
4. Wait five (5) minutes to clear out any gas.
Then smell for gas, including near the floor. If you smell gas, STOP! Follow “B” in the information on the safety label. If you don’t smell gas, go to the next step.
5. Open casing door and pilot lighting hole cover.
6. Find pilot. (Follow metal pilot tube from gas control).
7. Locate red piezo ignitor button on top of heater.
8. Turn gas control knob counterclockwise
“PILOT”.
to
Pilot is located on end of combustion chamber above burner.
Fig. J-2
9. Push in gas control knob and hold in.
Immediately begin a series of pushing and releasing the red piezo ignitor button, while observing the pilot. Continue to spark until pilot is lit. Continue to hold the gas control knob in for about one (1) minute after the pilot is lit. Release the gas control knob and it will pop back up. Pilot should remain lit.
If pilot goes out, repeat steps 3 thru 9.
• If knob does not pop up when released, STOP and immediately call your service technician or gas supplier.
• If the pilot will not stay lit after several tries, turn the gas control knob to “OFF” and call your service technician or gas supplier.
10. Close pilot lighting hole cover and casing door.
11. Turn gas control knob counterclockwise
“ON”.
to
12. Turn temperature control knob to desired setting.
TURNING OFF GAS TO APPLIANCE
1. Turn the temperature control knob to it’s lowest setting.
2. Push in gas control knob slightly and turn clockwise to “OFF”. Do not force.
Page 11 1017480-A
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