Superior Fireplaces WRT3920-B Assembly, Installation And Operation Instructions

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SAVE THESE INSTRUCTIONS
FOR FUTURE REFERENCE
A French manual is available upon request. Order P/N 901195-02.
Ce manuel d'installation est disponible en francais, simplement en faire
la demande. Numéro de la pièce 901195-02.
• Hot! Do not touch! The glass and
surfaces of this appliance will be hot
during operation and will retain heat
for a while after shutting off the appli-
ance. Severe burns may result.
• Carefully supervise children in the
same room as appliance.
• If small children are present in the home, it is
recommended that this appliance be fitted with
an adjustable safety gate or barrier screen.
C
US
WARNING
Listed to standards:
ULC-S610 and UL-127
Report No. 14-181
INSTALLATION AND
OPERATION INSTRUCTIONS
WRT3920-B
EPA Wood-Burning Fireplace
P/N 901195-00 REV. B 01/2024
MODEL
WRT3920-B
This installation manual will enable you to obtain a safe, efficient
and dependable installation of your fireplace system. Please read
and understand these instructions before beginning your installation.
Do not alter or modify the fireplace or its components under any cir-
cumstances. Any modification or alteration of the fireplace system,
including but not limited to the fireplace, chimney components and
accessories, may void the warranty, listings and approvals of this system
and could result in an unsafe and potentially dangerous installation.
IHP wood-burning fireplaces are designed for use as a supplemental
heater. They are not intended for continuous use as a primary heat
source.
• The fireplace cannot be operated without a door.
Consult your dealer to select the correct replace-
ment door.
• The fireplace is equipped with a blower, electri-
cal connection must be made prior to fireplace
installation
• Important! To assure proper alignment of glass
doors: Install this fireplace in a square and plumb
condition, using shims as necessary at sides and/
or bottom.
• Install the fireplace only as described in these
instructions.
This product can expose you to chemicals includ-
ing Carbon Black, which is known to the State of
California to cause cancer, and Carbon Monoxide,
which is known to the State of California to cause
birth defects or other reproductive harm. For more
information go to www.P65Warnings.ca.gov
P901195-00
WARNING
WARNING

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  • Page 1 INSTALLATION AND OPERATION INSTRUCTIONS WRT3920-B EPA Wood-Burning Fireplace P/N 901195-00 REV. B 01/2024 MODEL WRT3920-B This installation manual will enable you to obtain a safe, efficient and dependable installation of your fireplace system. Please read and understand these instructions before beginning your installation.
  • Page 2: Table Of Contents

    TABLE OF CONTENTS INTRODUCTION - THE FIREPLACE Temp ASHT+ or S2100+ Introduction ........Page 2 The WRT3920-B wood-burning fireplace is an 6” diameter DuraVent DuraTech Canada Parts Required .........Page 2 energy efficient, heat circulating, closed com- or Duratech Premium, including: bustion fireplace. You will receive a lifetime Optional Equipment ......Page 2...
  • Page 3 IMPORTANT! GENERAL SAFETY WARNING WARNING PRECAUTIONS. READ AND UNDERSTAND THESE SAFETY Never leave children unattended Use care when selecting window RULES BEFORE YOUR FIRST FIRE. when there is a fire burning in the treatments for windows located fireplace. near the fireplace. Avoid using combustible flowing window WARNING treatments such as curtains on...
  • Page 4: Starting And Maintaining A Fire

    OPERATING THE FIREPLACE Building a Fire Medium Combustion (starting and maintaining a fire) This is the recommended mode of operating Fuel - USE SOLID NATURAL WOOD FUEL the fireplace and should be the one normally To start a fire, place several crumpled up balls of ONLY.
  • Page 5: Important Cautions

    SMOKING – IMPORTANT CAUTIONS Carbon Monoxide Monitor Recommended CAUSES AND TROUBLESHOOTING Carbon Monoxide Poisoning: Early signs of A. Do not block the hot air vents to the fire- place as this will cause the fireplace to carbon monoxide poisoning are similar to the flu To reduce the likelihood of smoking when open- overheat.
  • Page 6: Maintaining Your Fireplace

    MAINTENANCE AND CARE Standard Cord of Chimney Maintenance 8 Ft. Wood (2.4M) Regular chimney inspection and maintenance combined with proper operation will prevent chimney fires. Keep your chimney clean. Do not allow more than 1/16” (1.6 mm) creosote build 4 Ft. (1.2M) up in your chimney.
  • Page 7: Finish Door Casing Care

    MAINTENANCE AND CARE (continued) Prohibited Fuels This heater is designed to burn natural wood only. Higher efficiencies and lower emissions generally result when burning air dried seasoned hardwoods, as compared to softwoods or to green or freshly cut hardwoods. DO NOT BURN: •...
  • Page 8: Refractory Installation

    MAINTENANCE AND CARE (continued) REFRACTORY REPLACEMENT The intense heat of the fire will normally cause hairline cracks in the refractory. These cracks can be minimized by proper curing as described in “First Fires”. They will not normally dimin- ish the effectiveness of the refractory. If large cracks develop, then the refractory should be replaced.
  • Page 9: Facade Installation

    OPTIONAL PERIMETER TRIM AND CAST FACADE INSTALLATION WARNING: THE HEARTH EXTEN- Install per instructions provided with Trim or Fa- Fireplace SION IS TO BE INSTALLED ONLY cade Kit (ordered separately - see Page 23). After AS ILLUSTRATED. the Trim or Facade has been installed attach the adjustment handle by passing it through the lower The crack between the fireplace and the hearth extension must be...
  • Page 10: Glass Care

    FIREPLACE INSTALLATION Usually, no additional floor support is needed When selecting the location, the chimney outlet for the fireplace. The adequacy of the floor can position and the direction of the wind are impor- Locating The Fireplace be checked by first estimating the weight of the tant factor affecting the chimney performance.
  • Page 11: Framing Dimensions

    Corner Installation 37-1/4 52-5/8 (26) 2 x 3 Min. (946) (1337) (header) 37-3/4 19-5/8 (498) (2210) (959) 74-3/8 (1889) Plywood 22-1/2* Back Wall of Chase / Enclosure 1/2” Outside Chase (572) Including Finishing Materials, if any 31-3/8 (797) * Zero Clearance from Back * For flush framing installations (915)
  • Page 12: Insulated Chase Construction

    Insulate Joists Same As Ceiling Storm Collar INSULATED CHASE Roof Support CONSTRUCTION Flashing Attic Radiation Draft Stops Floor Shield Ceiling Wall Floor, Firestop Ceiling & NOTE: It is recommended Wall that the chase walls and floor CTDT be insulated in the same man - Termination •...
  • Page 13 The Perimeter Trim is designed to install over facing materials ranging from 1/2” to 1” thick. It can be used as a decorative surround or to reduce the need to finish facing material edge. If trim is to be used with facing materials exceeding 1”, room must be left for the trim to in- stall within the facing material...
  • Page 14: Nailing Flanges

    Nailing Flanges Mantel and Facing Any mantel must be constructed of non-combustible material. FLOOR: Four floor nailing flanges are provided to secure the fireplace to the floor (see Figure 13). Bend the nailing flanges down so that each Mantel and Facing (Side View) flange is flush with the floor, then using nails Drywall or screws, secure the fireplace to the floor (2...
  • Page 15: Fireplace Blower

    FIREPLACE BLOWER The fireplace comes equipped with a heat activated blower. It is located in the bottom of the fireplace, towards the front. It uses 120V and must be connected to the main electrical circuit by a qualified electrician. For connection, use the electrical box supplied with the unit located on the bottom right corner of the fireplace.
  • Page 16: Outside Air Kit

    Complete the Field Wiring Electrical connections and operation verification must be done prior to installing finishing materials on the fireplace face. Rheostat Verify proper operation after servicing. Snap Disc NOTE: Electrical wiring must be connected to the main electrical circuit. NOTE: The junction box is located on the right side of the fireplace.
  • Page 17: Heatflo Convection Kit Installation

    UNITED STATES ONLY 5. The first chimney section through the joist area into attic is to be approximately two (2) feet. If the pipe sections in the attic are not enclosed, an insulation shield (SPIS) must be installed. CHIMNEY INSTALLATION Lower the insulation shield (SPIS) over the SP pipe until the SPIS flange is resting on the joist.
  • Page 18 INSTALLATION THROUGH A SIDE WALL 1. It is recomended that exterior mounted WALL FIRESTOP AIR CLEARANCE 2” TO (CAT. NO. SPWF) chimneys be enclosed below the roof line COMBUSTIBLES in geographical areas experiencing sus- CHIMNEY PIPE tained low ambient temperatures to help (CAT.
  • Page 19: Elbow Installation

    ELBOW INSTALLATION FLASHING INSTALLATION 1. IHP provides a 15 (SPSE15) and 30 (SPSE30) Elbow to allow 1. Continue the SP chimney to the roof. Cut the roof opening, cen- ° ° chimneys to avoid framing members or roof peaks. A maximum tered over the chimney.
  • Page 20 TERMINATION Additional support is required above the roof if the chimney height exceeds four (4) feet. Many building codes specify a minimum chimney heights above the Select the proper support for your application-using either a roof roof top. These specifications are summarized in what is known as the brace (Figure 36), or a support band with guy wires (Figure 37) “Ten Foot Rule”.
  • Page 21: Chimney Chase And Multiple Terminations

    CANADA ONLY CHIMNEY CHASE AND MULTIPLE TERMINATIONS CHIMNEY INSTALLATION For the purpose of this manual, a chimney chase is considered a part of the chimney system rather than part of a building. The termination must INSTRUCTIONS be placed a minimum of 18” (460 mm) above the chase. For installations where more than one chimney is located in the same CANADA APPROVED VENTING SYSTEMS: chase or within the same area, we suggest that their terminations be...
  • Page 23: Finishing Options

    OPTIONAL INSTALLATION ACCESSORIES Fireplace Kits Installation Accessories Description Cat./ Part No. Description Cat./ Part No. Central Forced Air Kit Accessories Finishing Options (Order Separately) Central Forced Air Kit, Central forced air kit including: blower Perimeter Trim Kit, Black F4837 (BISZY), flex adaptor (BISAF), 2 clamps, variable speed Cast Surround Kit H7303 control (VRUW), thermo-disk (VTU), fan to flexible pipe...
  • Page 24: Replacement Parts

    REPLACEMENT PARTS LIST Product Reference Information Weight 215 lbs WRT3920-B Replacement Parts Height 37-3/4” Description Cat. No. Width 36” Blower Assembly, Single F3866 Depth 22” Blower Wiring Harness F4801 Firebox W x H x D - measured in front 19-1/2” x 13-1/4” x 12”...
  • Page 25: Safety/Listing Label

    SAFETY / LISTING LABEL WRT3920-B...
  • Page 26 NOTES ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________ ______________________________________________________...
  • Page 27 Innovative Hearth Products Superior Brand Wood-Burning Fireplace ® 20 Year Limited Warranty THE WARRANTY Innovative Hearth Products ("IHP") 20 Year Limited Warranty warrants your Superior Brand wood burning fireplace ("Product") to be free from defects in materials and ® workmanship at the time of manufacture. The Product body, firebox and ceramic glass carry the 20 Year Limited Warranty. Ceramic glass carries the 20 Year Limited Warranty against thermal breakage only.
  • Page 28: Warranty

    WARRANTY Normally, all parts should be ordered through your IHP distributor or dealer. Parts will be shipped at prevailing prices at time of order. Your fireplace is covered by a limited warranty. Please read the warranty When ordering repair parts, always give the following information: to be familiar with its coverage.

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