USSC 2020L Owner's Operation And Installation Manual

USSC 2020L Owner's Operation And Installation Manual

United states stove co vent-free gas fireplace owner's operation and installation manual

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Model: 2020L
OWNER'S OPERATION AND INSTALLATION MANUAL
This firebox may be installed in an aftermarket* manufactured (mobile) home,
* Aftermarket: Completion of sale, not for purpose of resale, from the manufacturer
(i.e. Installation of this product is permitted after the manufactured (mobile) home is sited).
This is an unvented gas-fired
heater. It uses air (oxygen) from
the room in which it is installed.
Provisions
for
combustion and ventilation air
must be provided.
"Adequate Combustion And
Ventilation Air" on pages 6-10 of
this manual.
WARNING:
Do not use a blower insert,
heat exchanger insert or other
accessories not approved
for use with this heater.
Save this manual for
future reference.
United States
Stove Company
Vent-Free Gas Fireplace
where not prohibited by state or local codes.
WARNING: If the information in this manual is
not followed exactly, a fire or explosion may
result causing property damage, personal injury,
adequate
or loss of life.
Refer to
~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
* Immediately call your gas supplier from a
* If you cannot reach your gas supplier, call
~Installation and service must be performed by
a qualified installer, service agency, or the gas
supplier.
use any phone in your building
neighbor's phone. Follow the gas supplier's
instructions
the fire department
Model: 2020N
851466A 01/01

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Summary of Contents for USSC 2020L

  • Page 1 United States Stove Company Vent-Free Gas Fireplace Model: 2020L OWNER'S OPERATION AND INSTALLATION MANUAL This firebox may be installed in an aftermarket* manufactured (mobile) home, where not prohibited by state or local codes. * Aftermarket: Completion of sale, not for purpose of resale, from the manufacturer (i.e.
  • Page 2: Table Of Contents

    TABLE OF CONTENTS SECTION LOCAL CODES...2 WARNINGS/SAFETY INFORMATION...2-4 2020 SPECIFICATIONS...4-5 PRODUCT FEATURES...6 LOCATING THE FIREPLACE...6 AIR FOR COMBUSTION AND VENTILATION...6-10 INSTALLATION...10-11 SCREEN REMOVAL...11 GAS CONNECTION...12-13 GAS PRESSURE CHECK...13 LOG ASSEMBLY...14 OPERATING INSTRUCTIONS...15-17 CLEANING/SERVICING...17-18 FLAME APPEARANCE...18 PARTS DIAGRAM & LIST...19-20 BLOWER KIT WIRING DIAGRAM...21 OPTIONAL ACCESSORIES...22 WIRING GUIDE FOR 2020...23-24 NOTES...25-27...
  • Page 3: Warnings/Safety Information

    WARNINGS/SAFETY INFORMATION WARNING: Any change to this heater or its controls can be dangerous. 1. This heater shall not be installed in a bedroom or bathroom. 2. Never install the fireplace * in a recreational vehicle * where curtains, furniture, clothing, or other flammable objects are less than 36 inches from the front, top, or side of the fireplace * in high traffic areas * in windy or drafty areas...
  • Page 4: 2020 Specifications

    Minimum Model Number Type 2020N Manual 2020L Manual Controls - Main control has 3 positions: 1. OFF - All gas to the burner is shut off at the control 2. PILOT - Valve position to light/maintain a standing pilot 3. ON - Opens valve for gas flow to complete system.
  • Page 5: Specifications

    2020 SPECIFICATIONS, CONTINUED... FIREPLACE TOP VIEW FIREPLACE FRONT VIEW FIREPLACE SIDE VIEW...
  • Page 6: Product Features

    PRODUCT FEATURES Operation This Vent-free Gas Fireplace requires no outside venting or chimney making installation easy and inexpensive. When used without the optional blower, the fireplace requires no electricity making it ideal for emergency backup heat. Blower Accessory The 2020 Vent-free Gas Fireplace will accept the Blower Kit accessory. The kit comes with the variable blower.
  • Page 7 AIR FOR COMBUSTION AND VENTILATION Providing adequate ventilation The following is excerpts from National Fuel Gas Code. NFPA 54/ANSI Z223.1, Section 5.3, Air for Combustion and Ventilation. All spaces in homes fall into one of the three following ventilation classifications: 1.
  • Page 8 AIR FOR COMBUSTION AND VENTILATION Determining if You Have a Confined or Unconfined Space Use this worksheet to determine if you have a confined or unconfined space. Space: Includes the room in which you will install the firebox plus any adjoining rooms with doorless passageways or ventilation grills between the rooms.
  • Page 9 AIR FOR COMBUSTION AND VENTILATION Vent room directly to the outdoors. See Ventilation Air from Outdoors , page 10. Install a lower BTU/Hr firebox, if lower BTU/Hr size makes room unconfined. If the actual BTU/Hr used is less than the maximum BTU/Hr the space can support, the space is an unconfined space.
  • Page 10: Air For Combustion And Ventilation

    AIR FOR COMBUSTION AND VENTILATION Ventilation Air From Outdoors Provide extra fresh air by using ventilation grills or ducts. You must provide two permanent openings: one within 12" of the ceiling and one within 12" of the floor. Connect these items directly to the outdoors or spaces open to the outdoors.
  • Page 11: Minimum Clearances To Combustibles

    MINIMUM CLEARANCES TO COMBUSTIBLES 12" TO SIDE WALL Figure 3 - Minimum Clearance to Wall and Ceiling SCREEN REMOVAL 1. Remove the two(2) screws in the top of the screen. 2. Lean the top of the screen outward and lift slightly up and out of the screen retainer. 3.
  • Page 12: 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 13: Gas Connection

    GAS CONNECTION, CONTINUED... The gas inlet connection is 3/8" NPT, made at the top of the GAS INLET control cover inside the access door of the mantel. Run gas line from the gas supply to the connection. A flex pipe connector is suggested for easy connection.
  • Page 14: Log Assembly

    LOG ASSEMBLY LOG POSITIONING This unit is supplied with a set of four ceramic fiber logs. Do not handle these logs with your bare hands! Always wear gloves to prevent skin irritation from ceramic fibers. After handling logs, wash your hands gently with soap and water to remove any traces of fibers. PROPER INSTALLATION SEQUENCE: 1.
  • Page 15: Operating Instructions

    OPERATING INSTRUCTIONS 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 fireplace. Ceiling fans may create drafts that alter burner flame patterns. Sooting and improper burning will occur. This vent-free gas heater is intended to be smokeless.
  • Page 16: Lighting Instructions

    OPERATING INSTRUCTIONS, STOP! Read the safety information on the previous page. Set the thermostat to lowest setting. Turn off all electrical power and open the access door. Push in gas control (B) slightly and turn clockwise to "OFF". Push "ON / OFF" switch to "OFF" posi- tion.
  • Page 17: Operating Instructions

    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.
  • Page 18: 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 19: Parts Diagram And Parts List

    PARTS DIAGRAM AND PARTS LIST...
  • Page 20 2020 ASSEMBLY PARTS LIST PART # 24988B 24993B 24991B 89921 89922 80423 89842 89841 81206 89856 89965 89966 89822 89761 C42373 24996B 81198 81202 83464 24788B 80376 24987B 24994 24986B 24998B 24990B 24992B 24989B 25001B 25000B 24999B 89826 89826-1 89826-2 89826-3 89826-4 89967...
  • Page 21: Blower Kit Wiring Diagram

    2020 BLOWER KIT, DESCRIPTION BLOWER THERMODISC BLOWER BRACKET RHEOSTAT BRACKET BLOWER RHEOSTAT NUT & KNOB POWER SUPPLY CORD #10A x 1/2 SCREWS STRAIN RELIEF BUSHING ** - NOT SHOWN 1/4" MALE INS. 1/4" FEMALE INS. (GROUND) CONNECT TO APPLIANCE 1/4" MALE INS. BLOWER 1/4"...
  • Page 22: Optional Accessories

    OPTIONAL ACCESSORIES MODEL: WSK60 WALL SWITCH KIT INDICATOR SKYTECH 1001 MODEL: RCK60 REMOTE CONTROL KIT 32 c 50 60 70 80 90 32 c 50 60 70 80 90 MODEL: WTK60 WALL THERMOSTAT KIT...
  • Page 23: Wiring Guide For 2020

    WIRING GUIDE FOR 2020 The following Wiring Guide is to help assist in the wiring of any combination of the Optional Kit listed below: RCK60 - REMOTE CONTROL KIT WSK60 - WALL SWITCH KIT WTK60 - WALL THERMOSTAT KIT IMPORTANT: Before ordering or installing any to the available kits, remember the following... 1) Not all Optional Kits will work together.
  • Page 24 Switch "OFF". When trying to use two Optional kits at once, one will always override the other. WALL SWITCH For further information, contact our Customer Service Department at United States Stove Company, 227 Industrial Park Road, P.O. Box 151, South Pittsburg, Tn. 37380. (423)837-2100 WALL SWITCH...
  • Page 25: Notes

    NOTES...
  • Page 26 NOTES...
  • Page 27 NOTES...
  • Page 28: How To Order Repair Parts

    The PART NUMBER The PART DESCRIPTION The MODEL NUMBER: The SERIAL NUMBER _____________________ Save this manual for future reference. United States Stove Company 2020 Owner's Manual 2020 227 Industrial Park Road P.O.Box 151 South Pittsburg, TN 37380...

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2020n

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