USSC 2020N Owner's Operating And Installation Manual
USSC 2020N Owner's Operating And Installation Manual

USSC 2020N Owner's Operating And Installation Manual

Vent-free gas fireplace

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Model: 2020L
Model: 2020L
Model: 2020L
Model: 2020L
Model: 2020L
Supplemental Heater
® ® ® ® ®
O O O O O WNER'S OPERA
WNER'S OPERA
WNER'S OPERA
WNER'S OPERATION AND INST
WNER'S OPERA
This firebox may be installed in an aftermarket* manufactured (mobile) home,
This firebox may be installed in an aftermarket* manufactured (mobile) home,
This firebox may be installed in an aftermarket* manufactured (mobile) home,
This firebox may be installed in an aftermarket* manufactured (mobile) home,
This firebox may be installed in an aftermarket* manufactured (mobile) home,
This applaince is only for use with the type of gas indicated on the rating plate. This
This applaince is only for use with the type of gas indicated on the rating plate. This
This applaince is only for use with the type of gas indicated on the rating plate. This
This applaince is only for use with the type of gas indicated on the rating plate. This
This applaince is only for use with the type of gas indicated on the rating plate. This
appliance is not convertible for use with other gases.
appliance is not convertible for use with other gases.
appliance is not convertible for use with other gases.
appliance is not convertible for use with other gases.
appliance is not convertible for use with other gases.
* 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.
W W W W W ARNING:
ARNING:
ARNING:
ARNING:
ARNING:
Do not use a blower insert,
Do not use a blower insert,
Do not use a blower insert,
Do not use a blower insert,
Do not use a blower insert,
heat exchanger insert or other
heat exchanger insert or other
heat exchanger insert or other
heat exchanger insert or other
heat exchanger insert or other
accessories not approved
accessories not approved
accessories not approved
accessories not approved
accessories not approved
f f f f f or use with this heater
or use with this heater
or use with this heater
or use with this heater
or use with this heater. . . . .
Save this manual for
future reference.
Vent-Free Gas Fireplace
TION AND INST
TION AND INST
TION AND INSTALLA
TION AND INST
where not prohibited by state or local codes.
where not prohibited by state or local codes.
where not prohibited by state or local codes.
where not prohibited by state or local codes.
where not prohibited by state or local codes.
W W W W W ARNING:
ARNING:
ARNING: If the inf
ARNING:
ARNING:
not follo
not f
not f
not f
not f
result causing pr
result causing pr
result causing proper
result causing pr
result causing pr
adequate
or loss of life.
or loss of life.
or loss of life.
or loss of life.
or loss of life.
Refer to
~Do not store or use gasoline or other flammable
~Do not store or use gasoline or other flammable
~Do not store or use gasoline or other flammable
~Do not store or use gasoline or other flammable
~Do not store or use gasoline or other flammable
vapors and liquids in the vicinity of this or any
vapors and liquids in the vicinity of this or any
vapors and liquids in the vicinity of this or any
vapors and liquids in the vicinity of this or any
vapors and liquids in the vicinity of this or any
other appliance.
other appliance.
other appliance.
other appliance.
other appliance.
~WHAT T T T T T T T T T O DO IF
~WHA
~WHA
~WHA
~WHA
* * * * * Do not try to light any appliance
* * * * * Do not touch any electrical switch; do not
* * * * * Immediately call your gas supplier from a
* * * * * If y
~Installation and service must be performed by
~Installation and service must be performed by
~Installation and service must be performed by
~Installation and service must be performed by
~Installation and service must be performed by
a qualified installer
a qualified installer
a qualified installer
a qualified installer, , , , , ser
a qualified installer
supplier. . . . .
supplier
supplier
supplier
supplier
ALLA
ALLA
TION MANU
TION MANU
ALLA
ALLATION MANU
TION MANU
TION MANUAL
If the inf
If the inf
If the inf
If the information in this man
ormation in this man
ormation in this man
ormation in this manual is
ormation in this man
ollo
ollo
ollo
ollowed e
wed exactl
wed e
wed e
wed e
xactl
xactl
xactl
xactly y y y y , , , , , a fire or e
a fire or e
a fire or e
a fire or e
a fire or explosion ma
oper
oper
ty damag g g g g e e e e e , , , , , per
ty dama
ty dama
operty dama
oper
ty dama
O DO IF
O DO IF
O DO IF Y Y Y Y Y OU SMELL GAS
OU SMELL GAS
OU SMELL GAS
OU SMELL GAS
O DO IF
OU SMELL GAS
Do not try to light any appliance
Do not try to light any appliance
Do not try to light any appliance
Do not try to light any appliance
Do not touch any electrical switch; do not
Do not touch any electrical switch; do not
Do not touch any electrical switch; do not
Do not touch any electrical switch; do not
use any phone in your building
use any phone in your building
use any phone in your building
use any phone in your building
use any phone in your building
Immediately call your gas supplier from a
Immediately call your gas supplier from a
Immediately call your gas supplier from a
Immediately call your gas supplier from a
neighbor's phone. Follow the gas supplier's
neighbor's phone. Follow the gas supplier's
neighbor's phone. Follow the gas supplier's
neighbor's phone. Follow the gas supplier's
neighbor's phone. Follow the gas supplier's
instructions
instructions
instructions
instructions
instructions
If you cannot reac
If y
If y
If y
ou cannot reach y
ou cannot reac
ou cannot reac
ou cannot reac
h y
h your gas supplier
h y
h y
the fire department
the fire department
the fire department
the fire department
the fire department
ser
service a
ser
ser
Model: 2020N
Model: 2020N
Model: 2020N
Model: 2020N
Model: 2020N
Supplemental Heater
AL
AL
AL
AL
ual is
ual is
ual is
ual is
xplosion ma
xplosion ma
xplosion may y y y y
xplosion ma
per
per
sonal injur
sonal injur
sonal injury y y y y , , , , ,
per
personal injur
sonal injur
our gas supplier, , , , , call
our gas supplier
our gas supplier
our gas supplier
call
call
call
call
vice a
vice a
vice ag g g g g enc
vice a
enc
enc
enc
ency y y y y , , , , , or the gas
or the gas
or the gas
or the gas
or the gas
851466-A

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Summary of Contents for USSC 2020N

  • Page 1 , , , , ser a qualified installer service a supplier supplier supplier supplier..supplier Model: 2020N Model: 2020N Model: 2020N Model: 2020N Model: 2020N Supplemental Heater ual is ual is ual is...
  • Page 2: Table Of Contents

    TABLE OF CONTENTS SECTION SECTION SECTION SECTION 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...
  • Page 3: Warnings/Safety Information

    WARNINGS/SAFETY INFORMATION W W W W W ARNING: ARNING: ARNING: Any change to this heater or its controls can be dangerous. ARNING: ARNING: 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...
  • Page 4: 2020 Specifications

    Gas Inlet Pressure: Maximum Minimum Model Number Model Number Model Number Model Number Model Number T T T T T ype 2020N Manual 2020L Manual Controls - Main control has 3 positions: Controls Controls Controls Controls 1. OFF - All gas to the burner is shut off at the control 2.
  • Page 5: Specifications

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

    PRODUCT FEATURES Operation Operation Operation Operation 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 Accessor wer Accessor wer Accessory y y y y...
  • Page 7 AIR FOR COMBUSTION AND VENTILATION Providing adequate ventilation Providing adequate ventilation Providing adequate ventilation Providing adequate 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 Determining if Y Y Y Y Y ou Ha Determining if ou Ha ou Ha ve a Confined or Unconfined Space ve a Confined or Unconfined Space Determining if Determining if ou Ha ou Have a Confined or Unconfined Space ve a Confined or Unconfined Space ve a Confined or Unconfined Space...
  • 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 V V V V V entilation Air Fr entilation Air Fr entilation Air From Outdoor entilation Air Fr om Outdoor om Outdoor om Outdoors s s s s entilation Air Fr om Outdoor Provide extra fresh air by using ventilation grills or ducts. You must provide two permanent openings: one within 12"...
  • Page 11: Minimum Clearances To Combustibles

    MINIMUM CLEARANCES TO COMBUSTIBLES 12" TO SIDE WALL Figure 3 - Minim Figure 3 - Minim Figure 3 - Minim Figure 3 - Minimum Clearance to Figure 3 - Minim SCREEN REMOVAL 1. Remove the two(2) screws in the top of the screen. 2.
  • Page 12: Gas Connection

    GAS CONNECTION A qualified gas appliance installer must connect the fireplace to A qualified gas appliance installer must connect the fireplace to A qualified gas appliance installer must connect the fireplace to A qualified gas appliance installer must connect the fireplace to A qualified gas appliance installer must connect the fireplace to the gas suppl the gas supply y y y y .
  • 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 LOG POSITIONING LOG POSITIONING LOG POSITIONING 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.
  • 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 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: Cleaning/Servicing

    OPERATING INSTRUCTIONS, W W W W W ait 30 seconds bef ait 30 seconds bef ait 30 seconds bef ait 30 seconds before readjusting the heater when the contr ait 30 seconds bef has been turned down to a lower setting. has been turned down to a lower setting.
  • Page 18: Cleaning/Servicing

    CLEANING / SERVICING, Periodic Cleaning Periodic Cleaning Periodic Cleaning Periodic Cleaning 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. •...
  • Page 19: Parts Diagram And Parts List

    PARTS DIAGRAM AND PARTS LIST...
  • Page 20 2020 ASSEMBLY PARTS LIST PART # PART # PART # PART # 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...
  • Page 21: Blower Kit Wiring Diagram

    2020 BLOWER KIT, DESCRIPTION DESCRIPTION DESCRIPTION DESCRIPTION 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"...
  • Page 22: Optional Accessories

    OPTIONAL ACCESSORIES INDICATOR SKYTECH 1001 32 c 50 60 70 80 90 32 c 50 60 70 80 90...
  • Page 23: 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 WITH...
  • 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...

This manual is also suitable for:

2020l

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