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UNITED STATES STOVE COMPANY
227 Industrial Park Road • P.O. Box 151 • South Pittsburg, TN 37380 • (423) 837-2100
Natural Gas Model
A9843N
C9843N
G9843N
INSTALLATION AND OPERATION INSTRUCTIONS
This is an unvented gas-fired heater. It uses air
(oxygen) from the room in which it is installed.
Provisions for adequate combustion and ventilation
air must be provided.
Combustion And Ventilation Air" on page 6 of this
manual.
THIS APPLIANCE MAY BE INSTALLED IN
AN AFTERMARKET* MANUFACTURED
(MOBILE)
HOME,
PROHIBITED BY STATE OR LOCAL
CODES.
*Aftermarket: Completion of sale, not
for purpose of resale, from the
manufacturer.
THIS APPLIANCE IS ONLY FOR USE WITH
THE TYPE OF GAS INDICATED ON THE
RATING PLATE. THIS APPLIANCE IS NOT
CONVERTIBLE FOR USE WITH OTHER
GASES.
S
U
S
VENT-FREE PEDESTAL GAS HEATER
Refer to "Adequate
WHERE
NOT
C
WARNINGS
WARNING: If the information in this manual is not
followed exactly, a fire or explosion may result causing
property damage, personal injury or loss of life.
Do not store or use gasoline or other flammable vapors and
liquids in the vicinity of this or any other appliance.
WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appliance.
• Do not touch any electrical 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.
Installation and service must be performed by a qualified
installer, service agency or the gas supplier.
WARNING: Do not use a blower insert, heat exchanger
insert or other accessory not approved for use with this
heater.
1
Propane (LPG) Model
A9843L
C9843L
G9843L
851287 2/98
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Summary of Contents for USSC Cavalier A9843L
- Page 1 UNITED STATES STOVE COMPANY 227 Industrial Park Road • P.O. Box 151 • South Pittsburg, TN 37380 • (423) 837-2100 Natural Gas Model A9843N C9843N G9843N VENT-FREE PEDESTAL GAS HEATER INSTALLATION AND OPERATION INSTRUCTIONS This is an unvented gas-fired heater. It uses air (oxygen) from the room in which it is installed.
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Page 2: Table Of Contents
TABLE OF CONTENTS IMPORTANT SAFETY INFORMATION ...3-4 PRODUCT FEATURES...4 SPECIFICATIONS ..5 CONTENTS ... 5 ITEMS REQUIRED FOR INSTALLATION ... 6 INSTALLATION ... 7 GAS CONNECTION ... 8-9 GAS PRESSURE CHECK ... 9 LOG ASSEMBLY ... 10 OPERATING INSTRUCTIONS ... 11-13 CLEANING / SERVICING ...13-14 FLAME APPEARANCE ... -
Page 3: Important Safety Information
INSTALLER: Please leave these instructions with the owner. OWNER: Please retain these instructions for future reference. IMPORTANT: Read these instructions carefully before installing or trying to operate this heater. WARNING: Any change to this heater or its controls can be dangerous. Improper installation or use of the heater can cause serious injury or death from fire, burns, explosion or carbon monoxide poisoning. -
Page 4: Product Features
IMPORTANT SAFETY INFORMATION Do not place clothing or other flammable material near the appliance. Keep appliance area clear and free from combustible materials, gasoline and other flammable vapors and liquids. Any safety screen or guard removed for servicing, must be replaced prior to operating the heater. This vent-free gas heater is intended to be smokeless. -
Page 5: Specifications
Natural Gas Manifold Pressure Setting 4" w.c. Gas Inlet Pressure Maximum 10-1/2" w.c. Minimum 5" w.c. Model Number 9843N Propane / LPG Note: An external regulator is required to reduce supply pressure to a maximum of 13" w.c. Manifold Pressure Setting 10" w.c. Gas Inlet Pressure Maximum 13"... -
Page 6: Items Required For Installation
ITEMS REQUIRED FOR INSTALLATION ITEMS REQUIRED FOR INSTALLATION Ensure that the following items are available before proceeding with installation: • External regulator (for propane/LPG only) • Piping which complies with local codes • Pipe sealant approved for use with propane/LPG (resistant to sulfur compounds) CODES Adhere to all local codes or in their absence, the latest edition of THE NATIONAL FUEL GAS CODE ANSI Z223.1 or NFPA54 which can be obtained from:... -
Page 7: Installation
The following formula can be used to determine the maximum heater rating per the definition of unconfined space: BTU/HR = (L1+L2) Ft x (W) Ft x (H) Ft x 1000 Consider two connecting rooms with an open area between, with the following dimensions:(See Fig. 2, Example) L1=15-1/2 Ft., L2=12 Ft., W=12 ft., H=8Ft =52800 BTU/HR If there were a door between the two rooms the calculation... -
Page 8: Gas Connection
GAS CONNECTION A qualified gas appliance installer must connect the fireplace to the gas supply. Consult all local codes. Use new black iron or steel pipe only. Internally tinned copper tubing can be used in some areas when permitted by local codes. Only use pipe of 1/2" or greater diameter to allow full gas volume to heater. -
Page 9: Gas Pressure Check
FIGURE 5. Rear View of 9843 Vent-Free Gas Heater The heater regulator controls the burner pressure which should be checked at the pressure test point located on the right side of the main control and is accessible from the side of the gas log assembly (see FIGURE 6). The pressure should be checked with the heater burning and the control set to high (HI). -
Page 10: Log Assembly
REMOVING FRONT SCREEN 1) Lift the front screen slightly up (Fig. 7A) and then tilt the bottom of the screen inward and downward (Fig. 7B). 2) Lean the top of the screen toward you slightly (Fig. 7B) and then proceed to carefully bring the screen straight back (Fig. -
Page 11: For Your Safety Read Before Lighting
Avoid any drafts that alter the burner flame patterns. Do not allow fans to blow directly into the heater. Do not place a blower inside burn area of firebox. Ceiling fans may create drafts that alter burner flame patterns. Sooting and improper burning will occur. -
Page 12: Lighting Instructions
OPERATING INSTRUCTIONS STOP! Read the safety information on the previous page. Turn off all electrical power and open the access door. Turn off the rear burner and set the front burner to low. Push in gas control (knob 1) slightly and turn clockwise to "OFF". -
Page 13: Operating Instructions
Wait 30 seconds before readjusting the heater when the control has been turned down to a lower setting. MATCH LIGHTING INSTRUCTIONS If the pilot will not light using the piezo ignitor, you can light the pilot with a match. First, locate the pilot. The pilot is located between the two burner tubes on the right end (facing the unit), inside the firebox. -
Page 14: Cleaning / Servicing
CLEANING / SERVICING Periodic Cleaning • Do not use cleaning fluid to clean logs or any part of heater. • Logs - Brush with soft bristle brush or vacuum with brush attachment. • Vacuum loose particles and dust from the front and rear burner, control, and piezo. •... - Page 15 HEATER ASSEMBLY REPLACEMENT PARTS...
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Page 16: Parts List For Heater Assembly
PARTS LIST FOR HEATER ASSEMBLY PART # 69138 69137 24606 24605 69136 24601 69135 24599 24457 89336 83115 24614 89869 89824 83343 N/S = NOT SHOWN IMPORTANT NOTICE: WHEN ORDERING CABINET PARTS, PLACE THE APPROPRIATE CODE AFTER THE PART NUMBER THAT CORRESPONDS TO THE COLOR OF YOUR UNIT. ALMOND = A CHARCOAL GRAY = C GREEN = G... -
Page 17: Parts List For Burner & Log Assembly
BURNER & LOG ASSEMBLY... - Page 18 PARTS LIST FOR GAS LOG ASSEMBLY PART # 24610 24611 81193 81194 83251 83244 83343 89831 89834 89838 89839 89840 24612 89872 89873 83437 89841 89842 89829 89836 89830 89836 24613 89874 89874-1 89874-2 89874-3 89874-4 89856 86318 89855 N/S = NOT SHOWN DESCRIPTION BURNER PLATE CONTROL BRACKET...
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Page 19: Troubleshooting
Turn off and let cool before servicing. Only a qualified service person should service and repair heater. NOTE: All troubleshooting items are listed in order of operation. OBSERVED PROBLEM When ignitor button is pressed, there is no spark at ODS/Pilot. Appliance produces unwanted odors. -
Page 20: Trouble Shooting
TROUBLESHOOTING, CONTINUED... OBSERVED PROBLEM ODS/Pilot lights, but flame goes out When control knob is released. (continued from page 17) One or both burner do not light after ODS/pilot is lit. Burner backfires during combustion. Slight smoke or odor during initial operation. Logs appear to smoke after initial operation. -
Page 21: Optional Equipment
OPTIONAL F40 BLOWER KIT THIS OPTIONAL F40 BLOWER KIT IS AVAILABLE WHERE YOU PURCHASED THIS HEATER OR YOU CAN ORDER DIRECT FROM THE FACTORY BY CONTACTING THE PARTS DEPARTMENT AT THE NUMBER AND ADDRESS ON THE BACK PAGE OF THIS MANUAL. BACK VIEW OF 9843... -
Page 22: Note
NOTES... -
Page 23: Limited Warranty Policy
This vent-free gas heater is warrantied for a period of one year, logs for one year, and burners for One Year, from date of purchase against defects in material or workman- ship. This warranty covers only the cost of defective parts and applies only to the original consumer purchaser. - Page 24 3. The MODEL NUMBER: 4. The SERIAL NUMBER BEFORE INSTALLING YOUR HEATER, FILL IN THE SERIAL NUMBER IN THE SPACE PROVIDED ABOVE FOR YOUR RECORDS. UNITED STATES STOVE COMPANY 227 Industrial Park Rd., P.O. Box 151 South Pittsburg, TN 37380 (423) 837-2100 9843N...
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