United States Stove 2020N User's Manual
Contents
1. 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 To reinstall the screen reverse steps 1 and 2 WARNING The screen must be in place during operation GAS CONNECTION A qualified gas appliance installer must connect the fireplace to the gas supply Consult all local codes NOTICE 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 Excessive pressure loss will occur if the pipe is too small A manual shutoff valve union and plugged 1 8 NPT pressure tapping point must be installed upstream of the heater FIGURE 8 CAUTION A sediment trap must be installed upstream of the heater to prevent moisture and contaminants from passing through the pipe to the heater controls and burners Failure to do so could prevent the heater from operating reliably FIGURE 8 IMPORTANT Loosen the pipe adapter on the flex tube before installing to the Manual Shutoff i Valve Flexible Gas Hose If allowed From by local codes External Regulator Tee Joint Sediment Pipe j FIGURE 5 Gas Connection Trap Nipple 3 Minumum Pa Cap CHECK GAS TYPE The gas supply must be the same2. under dusty conditions Do not use this fireplace to cook food or burn paper or other objects Never place any objects in the firebox or on logs Fireplace front and screen becomes very hot when running Keep children and adults away from hot surfaces to avoid burns or clothing ignition Firebox will remain hot for a time after shutdown Allow surfaces to cool before touching Carefully supervise young children when they are in the room with fireplace Turn fireplace off and let cool before servicing Only a qualified service person should service and repair fireplace Operating vent free gas log heaters in a fireplace above elevations of 4 500 feet could cause pilot outage IMPORTANT The fireplace hood must not be replaced with a hood canopy which may be provided with the decorative type unvented room heater WARNINGS SAFETY INFORMATION cow7muep 17 CARBON MONOXIDE POISONING Early signs of carbon monoxide poisoning are similar to the flu with headaches dizziness and or nausea If you have these signs obtain fresh air immediately Have the heater serviced as it may not be operating properly This vent free gas fireplace is intended to be smokeless If logs appear to smoke turn off the heater and call a qualified service person Initial burn off may cause slight smoke and odor during the first four hours of operation Input ratings are shown in BTU per hour and are for elevations up to 2 000 feet For elev
3. of the ceiling and one within 12 of the floor Connect these items directly to the outdoors or spaces open to the outdoors These spaces include attics and crawl spaces See Figure 2 IMPORTANT Do not provide openings for inlet or outlet air into attic if attic has a thermostat controlled power vent Heated air entering the attic will activate the power vent VENTILATED ATTIC OUTLET AIR N OUTLET AIR INTAKE AIR VENTILATED INTAKE AIR CRAWL SPACE Figure 2 Ventilation Air from Outdoors INSTALLATION INSTALLATION CLEARANCES Maintain the minimum clearances If you can provide greater clearances from floor ceiling and adjoining wall Carefully follow the instructions below This will ensure safe installation Minimum Wall and Ceiling Clearances see Figure 3 A Clearances from the side of the firebox opening to any combustible wall should not be less than 12 inches B Clearances from the top of the firebox opening to the ceiling should not be less than 42 inches Mantel Clearances for Conventional Installation MINIMUM CLEARANCES TO COMBUSTIBLES RIGHT SIDE REQUIRES 12 TO H 18 TO COMBUSTIBLES SIDE WALL FOR ACCESS DOOR TO CONTROLS Figure 3 Minimum Clearance to Wall and Ceiling
4. 2020 ASSEMBLY PARTS LIST PART DESCRIPTION lt 24988B LEFT SIDE CABINET 24993B BURNER PLATE 24991B FIREBOX BOTTOM 89921 O P AMERICA NAT PILOT 89922 O P AMERICA L P PILOT 80423 PIEZO IGNITOR WIRE 89842 3 16 BRASS BALL SLEEVE 89841 3 16 COMPRESSION NUT 81206 PILOT TUBE 18 A 89856 3 16 LOXIT FITTING 89965 BURNER CONTROL FITTING LP 89966 BURNER CONTROL FITTING NAT 89822 BURNER 89761 PIEZO IGNITOR C42373 ON OFF TOGGLE SWITCH 24996B CONTROL COVER 81198 MILIVOLT CONTROL NATURAL 81202 MILIVOLT CONTROL LIQUID PROPANE 83464 10 32 x 3 8 MACHINE SCREW 24788 CONTROL 80376 WIRE ASSEMBLY 24987 RIGHT SIDE 24994 FIREBOX SUPPORT 24986B CABINET BOTTOM BACK 24998B BLOWER BAFFLE 24990B FIREBOX WRAPPER 24992B FIREBOX TOP 24989B CABINET TOP 25001B SCREEN 25000B SCREEN RETAINER MANTEL STOP 24999B BLOWER PLATE 89826 LOG SET 89826 1 FRONT LOG 89826 2 REAR LOG 89826 3 RIGHT CROSS LOG 89826 4 LEFTCROSS LOG 89967 MANTEL 89390A NOT SHOWN RUBBER GROMMET 2020 BLOWER KIT and WIRING DIAGRAMS BLOWER 80432 GENERATOR THERMODISC 80381 AS
5. 4 Proper air for combustion and ventilation see below AIR FOR COMBUSTION AND VENTILATION This heater shall not be installed in a confined space or unusually tight construc tion unless provisions are provided for adequate combustion and ventilation air Read the following instructions to insure proper fresh air for this and other fuel burning appliances in your home Today s homes are built more energy efficient than ever New materials increased insula tion and new construction methods help reduce heat loss in homes Home owners weather strip and caulk around windows and doors to keep the cold air out and the warm air in During heating months home owners want their homes as airtight as possible While it is good to make your home energy efficient your home needs to breathe Fresh air must enter your home All fuel burning appliances need fresh air for proper combustion and ventilation Exhaust fans fireboxes clothes dryers and fuel burning appliances draw air from the house to operate You must provide adequate fresh air for these appliances This will insure proper venting of vented fuel burning appliances AIR FOR COMBUSTION AND VENTILATION Providing adequate ventilation The following is excerpts from Nationa Fuel Gas Code 54 ANSI 2223 1 Section 5 3 for Combustion and Ventilation All spaces in homes fall into one of the three following ventilation classifications 1 Unusually Tight Constru
6. alter burner flame patterns Sooting and improper burning will occur This vent free gas heater is intended to be smokeless If logs appear to smoke turn off the heater and call a qualified service person Initial burn off may cause slight smoke and odor during the first four hours of operation 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 This appliance has a pilot which can be light with the equipped piezo ignitor When lighting the pilot follow these instructions exactly 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 attempt to light any appliance 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 e If you cannot reach your gas supplier call the fire department 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 Do not use this appliance if any part has been under water Immediately call a qualified service technician t
7. as stated on heater s rating plate Ifthe gas supply is different DO NOT INSTALL the heater Contact your dealer for the correct model Connecting directly to an unregulated propane LPG tank can cause an explosion GAS CONNECTION CONTINUED The gas inlet connection is 378 NPT made at the top ofthe GAS INLET control cover inside the access door ofthe mantel Rungas line from the gas supply to the connection A flex pipe connector is suggested for easy connection Test all gas joints from the gas meter to the heater for leaks using soap and vvater solution after completing connection DO NOT USE AN OPEN FLAME FIGURE 6 Flex Pipe Connected to control GAS PRESSURE CHECK The heater regulator controls the burner pressure which should be checked at the pressure test point located on the front of the main control and is accessible by removing the control panel on the right side of the heater The pressure should be checked with the heater burning and the control set to high The pressure regulator is preset and locked to avoid tampering If the pressure is not as specified in Product Specifications Page 5 contact your dealer and replace the regulator The appliance and its individual shutoff valve must disconnected from the gas supply piping system during any pressure testing of that system at test pressures in excess of 1 2 psi 35 kPa LOG ASSEMBLY
8. CLEANING SERVICING CONTINUED Periodic Cleaning Do not use cleaning fluid to clean logs or any part of heater e 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 Inspect burner s and air intake hole Remove lint or particles with vacuum External case should be dusted and wiped with a wet soapy cloth Annual Cleaning Inspection Inspect and clean burner air intake holes e Inspect and clean all burner ports e Inspect ODS pilot for operation and accumulation of lint at air intake holes Verify flame pattern and log placement for proper operation Verify smooth and responsive ignition of main burner and rear burner In normal operation at full rate after 15 minutes the following flame appearance should be observed CAUTION Label all wires prior to disconnection when servicing controls Wiring errors can Cause improper and dangerous operation Verify proper operation after servicing FLAME APPEARANCE FLAMES The flames behind log 1 and in front of log 2 should be yellow with a blue base The flames should not be impinging on either of the cross logs See Below Figure 11 FIGURE 77 Flames Natural Gas and LP Gas PARTS DIAGRAM AND PARTS LIST OR 7 2 phate REZ P 2 99598 2 1222221 s sa ZOO ZOO SZ ROSE 5258 Z
9. CRIPTION The MODEL NUMBER 2020 The SERIAL NUMBER Save this manual for future reference United States Stove Company 227 Industrial Park Road POBox 151 South Pittsburg TN 37380 423 837 2100
10. CTIONS 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 To light pilot with a match move the gas control knob 1 pg 16 to the pilot position and hold down Light match and place near pilot Once pilot is lit continue to hold the knob for about ten seconds Then follow steps 7 thru 10 on page 16 CHECKING FLAME APPEARANCE Flames from the pilot front and rear burner should be visually checked when the heater is installed addition a periodic visual check of the flames should be made PILOT FLAME The pilot flame should always be present Ifthe pilot flame does not touch the thermo when the heater is in operation and should couple then the main burner is unlikely to just touch the top of the thermocouple tip function reliably FIGURE 10 FIGURE 9 FIGURE 9 Pilot Flame FIGURE 10 Incorrect Shape of Pilot Flame CLEANING SERVICING Annual inspection and cleaning by your dealer or qualified service technician is recommended to prevent malfunction and or sooting WARNING Turn off heater and allow to cool before cleaning Remove logs handling carefully by holding gently at each end Gloves are recommended to prevent skin irritation from ceramic If the skin becomes irritated wash gently with soap and water Refer to page 14 for correct log placement
11. ION TOP VIEW OF BURNER ASSEMBLY If the knob does not pop up when re leased stop and immediately call your service technician or gas supplier If the pilot will not stay lit after several tries turn control knob to OFF and call your gas supplier m Turn valve knob clockwise lt Wait about one minute then turn burner switch D to ON It will take a few minutes for the thermopile located on top of the pilot to heat up NOTE If unit is equipped with remote on off wall switch switch must be in on position for burner to light 11 Adjust flame height with the high low knob C 12 Turn on all electrical power to the appli ance 13 Close access door NOTE It is normal for the new heater to give off some odorthe firsttime itisburned Thisis due to the curing of the paint and undetec ted oil from the manufacturing process It is recommended that you burn your new heater for at least two 2 hours the first time you use it If optional fan kit is installed leave it turned off for the break in period Open access door Turn switch D to OFF Unplug all electric power if service is to be performed _ Push in gas control knob slightly and turn clockwise A to the OFF position Close access door OPERATING INSTRUCTIONS CONTINUED Wait 30 seconds before readjusting the heater when the control has been turned down to a lower setting MATCH LIGHTING INSTRU
12. 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 Install the rear log 2 on the rear set of locators Visually check to verify the log is securely placed on the locators 2 Install the front log 1 on the front locators Visually check to verify the log is securely placed on the locators 3 Place the cross logs on the locator studs in the log as shown The flame should not touch the cross logs otherwise suiting will occur WARNING Failure to position the parts in accordance with these diagrams or failure to use only parts specifically approved with this heater may result in property damage or personal injury FIGURE 8 Log Set Assembly The positioning of the logs is critical to the safe and clean operation of this heater Sooting and other problems may result the logs are not properly and firmly situated in the appliance Never add additional logs or embellishments such as pine cones vermiculite or rock wool to the heater 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
13. SEMBLY BLOVVER BRACKET 24995 RHEOSTAT BRACKET 25002B VVIRING DIAGRAM BLOVVER RHEOSTAT 80090 NUT 8 KNOB CONTROL POWER SUPPLY CORD 80232 WIRING 10A x 1 2 SCREWS 83172 TERMINALS STRAIN RELIEF BUSHING 80109 THERMOPILE SWITCH jem A ROCKER _ 1 4 MALE INS __ 1 4 FEMALE INS EG NEUTRAL BLACK 1 4 MALE INS GREEN GROUND BLOWER U GROUND 1 4 FEMALE INS CONNECT TO APPLIANCE WIRING DIAGRAM FOR OPTIONAL BLOWER z 1 4 FEMALE INS 1 4 FEMALE INS ZZ ai N d CAUTION Label all wires prior to dis HERMODISC connection when servicing controls Wir ing errors can cause improper and danger ous operation OPTIONAL ACCESSORIES MODEL RCK60 REMOTE CONTROL KIT MODEL WSK60 WALL SWITCH KIT 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 Example The RCK60 Remote Control Kit the WSK60 Wall Switch Kit and the WTK60 Wall Thermostat Kit cannot be used at the time 2 When using any of the three Optional Kits listed above the Rocker Switch on the unit must be set to OFF 3 If y
14. TU Hr of all fuel burning appliances in the space Vent free Firebox BTU Hr Gas water heater BTU Hr Gas furnace BTU Hr Vented gas heater BTU Hr Gas firebox logs BTU Hr Other gas appliances BTU Hr Total BTU Hr Example Gas water Heater 40 000 BTU Hr Vent free firebox with log heater 39 000 BTU Hr Total 79 000 BTU Hr Do not include direct vent gas appliances Direct vent draws combustion air from the outdoors and vents to the outdoors Compare the maximum BTU Hr the space can support with the actual amount of BTU Hr used BTU Hr maximum the space can support BTU Hr actual amount of BTU Hr used Example 63 300 BTU Hr maximum the space can support 79 000 BTU Hr actual amount of BTU Hr used The space in the above example is a confined space because the actual BTU Hr used is more than the maximum BTU Hr the space can support You must provide additional fresh air Your options are as follows A Rework worksheet adding the space of an adjoining room If the extra space provides an unconfined space remove door to adjoining room or add ventilation grills between rooms See Ventilation Air From Inside Building page 9 AIR FOR COMBUSTION AND VENTILATION covrivueo 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
15. United States Stove Company Vent Free Gas Fireplace Model 2020L Supplemental Heater Model 2020N Supplemental Heater 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 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 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 adequate combustion and ventilation air must be provided Refer to 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 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
16. and an unconfined space as a space whose volume is not less than 50 cubic feet per 1 000 BTU per hour 4 81 per kw of the aggregate input rating of all appliances installed in that space Rooms communicating directly with the space in which the appliances are installed through openings not furnished with doors are considered a part of the unconfined space Adjoining rooms are communicating only if there are doorless passageways or ventilation grills between them AIR FOR COMBUSTION AND VENTILATION covrivuen 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 1 Determine the volume of the space length x width x height Length x Width x Height cu Ft volume of space Example Space size 22 ft length x 18 ft width x 8 ft ceiling height 3168 cu Ft volume of space If additional ventilation to adjoining room is supplied with grills or openings add the volume of these rooms to the total volume of the space Divide the space volume by 50 cubic feet to determine the maximum BTU Hr the space can support volume of space 50 cu Ft Maximum BTU Hr the space can support Example 3168 cu Ft volume of space 50 cu Ft 63 3 or 63 300 maximum BTU Hr the space can support Add the B
17. 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 851466 A TABLE OF CONTENTS SECTION LOCAL CODES WARNINGS SAFETY INFORMATION 2020 SPECIFICATIONS PRODUCT FEATURES LOCATING THE FIREPLACE AIR FOR COMBUSTION AND VENTILATION INSTALLATION LOCGAL GODES Install and use fireplace with care Follow all local codes In the absence of local codes use the latest edition of The National Fuel Gas Code ANSI 7223 1 also known as NFPA 547 Firebox must be electrically grounded in accordance with the National Electric Code ANSI NFPA 70 latest edition Available from American National Standards Institute Inc 1430 Broadway New York NY 10018 National Fire Protection Association Inc Batterymarch Park Quincy MA 02269 WARNINGS SAFETY INFORMATION IMPORTANT Read this owner s manual carefully and completely before trying to assemble operate or service this fireplace Improper use of this fireplace can cause serious injury or death from burns fire explosion electrical shock and carbon poi soning WARNINGS SAFETY INFORMATION convrivuen WARNING Any change to this heater or its controls can be dangerous 1 2 This heater shall not be installed in a bedroom or b
18. athroom 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 Do not add extra logs or ornaments such as pine cones vermiculite or rock wool Using these added items can cause sooting You must operate this fireplace with the fireplace screen in place Make sure these parts are in place before running Do not allow fans to blow directly into the firebox Avoid any drafts that alter burner flame patterns Ceiling fans can create drafts that alter burner flame patterns Altered burner patterns can cause sooting To prevent malfunction and or sooting an unvented gas heater should be cleaned at least annually by a professional service person More frequent cleaning may be required due to excessive lint from carpeting etc It is imperative that control compartments burners and circulating air passageways be kept clean Correct placement of the ceramic fiber logs is necessary to avoid problems with sooting Sooting can settle on surfaces outside the heater and cause discoloration See the appropriate section of this manual for instructions This Vent free gas log heater requires fresh air ventilation to run properly See A r for Combustion and Ventilation instructions in this owner s manual Do not run fireplace where flammable liquids or vapors are used or stored
19. ations above 2 000 feet input ratings should be reduced 4 percent for each 1 000 feet above see level Refer to the National Fuel Gas Code The appliance and its appliance main gas valve must be disconnected from the gas supply piping system during any pressure testing of that system at test pressures in excess of 1 2 psig 3 5 kPa The appliance must be isolated from the gas supply piping system be closing its equip ment shutoff valve during any pressure testing of the gas supply piping system at test pressures equal to or less than 1 2 psig 3 5 kPa Do not use this gas fireplace if any part has been under water Immediately call a qualified service technician to inspect the room heater and to replace any part of the control system and any gas control which has been under water 2020 SPECIFICATIONS Natural Gas Propane LPG Manifold Pressure Setting 4 W C Manifold Pressure Setting Gas Inlet Pressure Maximum 10 1 2 w c Gas Inlet Pressure Maximum Minimum 5 w c Minimum Gas Rate Number Model Number Type Max BTU Hr Min BTU Hr Burners 2020N Manual 20 000 14 000 1 2020L Manual 20 000 14 000 1 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 ON Opens valve for gas flow to complete system Piezo Ignitor allows ignition of the pilot without the use of matches or batteries ON OFF Switch Operates gas flo
20. ction 2 Unconfined Space 3 Confined Space The information on pages 6 through 10 will help you classify your space and provide ad equate ventilation Unusually Tight Construction The air that leaks around doors and windows may provide enough fresh air for combustion and ventilation However in buildings of unusually tight construction you must provide additional fresh air Unusually tight construction is defined as construction where Walls and ceilings exposed to the outside atmosphere have a continuous water vapor retarder with a rating of one perm 6x10 kg per pa sec m or less with openings gasketed or sealed and Weather stripping has been added on openable windows and doors and Caulking or sealants are applied to areas such as joints around window and door frames between sole plates and floors between wall ceiling joints between wall panels at penetrations for plumbing electrical and gas lines and at other openings If your home meets all of the three criteria above you must provide additional fresh air See Ventilation Air From Outdoors page 10 If your home does not meet all of the three criteria above proceed to page 8 Confined Space and Unconfined Space The National Fuel Gas Code ANSI 7223 1 1992 Section 5 3 defines a confined space as a space whose volume is less than 50 cubic feet 1 000 BTU hour 4 8 per kw of the aggregate input rating of all appliances installed in that space
21. o inspect the appliance and to replace any part of the control system and any gas control which has been under water FOR YOUR SAFETY Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance Do not place clothing or any other flammable material on or near the appliance OPERATING INSTRUCTIONS CONTINUED LIGHTING 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 Lil j 7 NOTE Knob cannot be turned from PILOT to OFF unless knob is pushed in slightly Do not force 6 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 safety information on the previous page If you don t smell gas go on tothe next step Depress knob B and turn gas control knob counterclockwise to Pilot Push in knob B all the way and hold in Immediately light the pilot by pushing in on the piezo button A Continue to hold the control knobinfor aboutone 1 minute after the pilot is lit Release knob and it will pop back up Pilot should remain lit If it goes out repeat steps 4 through 8 PILOT LOCAT
22. ou choose to use any combination of the above Optional Kits only one of those kits can be used at a time Example If you have the Optional Remote Control Kit and the Optional Wall Switch Kit operation of the unit must be controlled by one or the other If you want to use the remote control simply turn the Wall Switch to OFF STANDARD WIRING FROM FACTORY CONTROL VALVE ROCKER SWITCH WIRING OF THE RCK60 REMOTE CONTROL KIT i REMOTECONTROL A SENSOR NN A Remember the Rocker Switch must be turned to OFF while using the Remote Control CONTROL VALVE 6 ROCKER SWITCH WIRING WITH THE WTK60 WALL THERMOSTAT KIT P WALL THERMOSTAT Remember the Rocker Switch must be turned to OFF while using the Wall Thermostat CONTROL VALVE ROCKER SWITCH BOOS z gt PIGGYBACK DISCONNECT WIRING WITH THE WSK60 WALL SWITCH KIT SWITCH Remember the Rocker Switch must be turned to OFF while using the Wall Switch 2 ROCKER SWITCH PIGGYBAGK DISCONNECT WIRING WITH THE WTK60 WALL THERMOSTAT AND THE RCK60 REMOTE CONTROL KIT Note When combining these Optional kits only one kit can be used at atime Example If you want to control the operation of this uni
23. t with the Remote Control then you must turn the Wall Thermostat OFF When trying to use two Optional kits at once one will always override the other REMOTE CONTROL SENSOR PIGGYBACK DISCONNECT CONTROL VALVE SE ROCKER SWITCH WIRING WITH THE WSK60 WALL SWITCH KIT AND THE RCK60 REMOTE CONTROL KIT Note When combining these Optional kits you must remember that only one of them can be used at a time Example If you want to control the operation of this unit with the Remote Control then you must turn the Wall Switch OFF When trying to use two Optional kits at once one will always override the other REMOTE CONTROL WALL SENSOR SWITCH PIGGYBACK DISCONNECT CONTROL VALVE _ e gt a NN P S SI ROCKER 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 25 Keeping America Warm Since 1869 2020 Owner s Manual When writing always give the full model number which is on the nameplate attached to the fireplace When ordering repair parts or options always give the following information as shown in this list The PART NUMBER The PART DES
24. unconfined space You will need no additional fresh air ventilation If the area in which the heater may be operated is smaller than that defined as an unconfined space or if the building is of unusually tight construction provide ad equate combustion and ventilation air by one of the methods described in the Na tional Fuel Gas Code ANSI 2223 1 Section 5 3 or applicable local codes VENTILATION AIR Ventilation Air From Inside Building This fresh air would come from an adjoining unconfined space When ventilating to an ad joining unconfined space you must provide two permanent openings one within 12 of the ceiling and one within 12 of the floor into adjoining room see gotions in Figure 7 Follow the Fuel Gas Code 54 ANSI 2223 7 Section 5 3 Air tor Combustion and Ventilation tor required size of ventilation grills or ducts Rework worksheet adding the space of the adjoining unconfined space The combined spaces must have enough fresh air to supply all appliances in both spaces VENTILATION GRILLS INTO ADJOINING ROOM OPTION 2 VENTILATION GRILLS INTO ADJOINING ROOM OPTION 1 OR REMOVE DOOR INTO R ADJOINING ROOM Ba OPTION 3 Figure 1 Ventilation Air from Inside Building AIR FOR COMBUSTION AND VENTILATION covrivuen Ventilation Air From Outdoors Provide extra fresh air by using ventilation grills or ducts You must provide two permanent openings one within 12
25. w to the burner HIGH LOW Control Infinite control Rotate knob clockwise to LOW counter clockwise to HIGH 2020 SPECIFICATIONS CONTINUED FIREPLACE TOP VIEW FIREPLACE FRONT VIEW FIREPLACE SIDE VIEW 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 The variable blower allows you to select the fan speed you desire The blower circulates heated air from the fireplace into the room Use of the blower is optional LOCATING FIREPLACE Planning Plan where you will install the fireplace This will save time and money later when you install the fireplace Before installation consider the following 1 Where the fireplace will be located Allow for wall and ceiling clearances see Installation Clearances pages 10 amp 11 2 Everything needed to complete installation 3 This model CANNOT be installed a bedroom or bathroom
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