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Kuma Stoves Cascade LE-1 Installation And Operating Instructions Manual

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Model # K-251:
Cascade LE-1
Tested and listed by OMNI-Test
Laboratories Inc.
Portland OR, USA
Emissions tested to: ASTM 3053-2017
Report# 0123WM014E
Safety tested to UL 1482-2022
Report # 0123WN012S
INSTALLATION AND OPERATING INSTRUCTIONS
SAVE THESE INSTRUCTIONS
1
K-251
| 240208

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  • Page 1 Model # K-251: Cascade LE-1 Tested and listed by OMNI-Test Laboratories Inc. Portland OR, USA Emissions tested to: ASTM 3053-2017 Report# 0123WM014E Safety tested to UL 1482-2022 Report # 0123WN012S INSTALLATION AND OPERATING INSTRUCTIONS SAVE THESE INSTRUCTIONS K-251 | 240208...
  • Page 2 That hope comes from the message of truth that is found in this New Testament. Thank you for allowing us the opportunity to warm your house and may God bless you. Sincerely, Mark & Lynnette Freeman Founders - Kuma Stoves. K-251 | 240208...

  • Page 3: Table Of Contents

    This manual describes the installation and operation of the Kuma Model K-251 Catalytic equipped wood heater. This heater meets the 2020 U.S. Environmental Protection Agency’s crib wood emission limits for wood heaters sold after May 15, 2020. Under specific test conditions this heater has been shown to deliver heat at rates ranging from 11,219 to 30,612 Btu/hr.
  • Page 4 SECTION 1 - WARNINGS WARNING If this stove is not properly installed, a house fire can occur. For your protection, follow the installation instructions provided. We recommend contacting local building or fire officials regarding restrictions and installation inspection requirements in your area. We also recommend that your Kuma stove be installed by a properly trained and licensed installer, preferably an NFI (National Fireplace Institute) expert.

  • Page 5: Section 2 - Specifcations

    SECTION 2 - SPECIFICATIONS CERTIFICATION TAG...
  • Page 6 CASCADE DIMENSIONAL DRAWINGS All dimensions are in inches. K-251 | 240208...
  • Page 7 CASCADE MINIMUM CLEARANCE REQUIREMENTS Side clearances are to the side wall of the insert. Top clearances are to the top plate of the insert. Mantel Minimum Clearances J – Insert to side wall 15” Wood Trim K – Insert to wood trim. Trim 8.5”...

  • Page 8: Section 3 - Installation Instructions

    (I N ) SECTION 3 – INSTALLATION INSTRUCTIONS It is highly recommended that this insert is installed by a qualified professional certified by the National Fireplace Institute. The structural integrity of the floor, walls and ceiling/roof must be maintained. NEVER INSTALL AN INSERT IN A SLEEPING ROOM This insert is heavy: Get help from another person and use proper lifting techniques FLOOR PROTECTION REQUIREMENTS If the bottom of the insert is raised at least 4”...
  • Page 9 INSTALLING THE INSERT Uncrate the insert. Each piece of the insert will be included in a separate box. Follow the instructions located in each box to install the components of the insert. Install the insert in the following order: 1. Install the chimney liner according to the manufacturer’s instructions. 2.
  • Page 10 Minimum Flue Height Recommendations No offsets in the chimney 14 ft 30° or 45° offsets in the chimney 15 ft 90° offsets in the chimney 16 ft. 90° offsets with 2-3 feet of horizontal run 20 ft. 90° offsets into exterior chimney 22 ft.
  • Page 11 WHEN CONNECTING TO A MASONRY FIREPLACE This insert must be connected to a code approved (e.g. NFPA 211) masonry fireplace with a 6” flue liner that meets the type HT requirements (2100°) per the UL 1777 standard. This insert cannot be installed in a factory-built fireplace or into a mobile home. 1.

  • Page 12: Section 4 - Operating Instructions

    SECTION 4 - OPERATING INSTRUCTIONS NEVER USE FLAMMABLE LIQUIDS TO START OR FRESHEN UP A FIRE CAUTION: Do not use any fuels that are not seasoned natural wood. Do not leave the stove unattended with the door open. DO NOT OVERFIRE THIS HEATER – Attempts to achieve heat output rates that exceed heater design specifications can result in permanent damage to the heater and to the catalytic combustor.
  • Page 13 LIGHTING A FIRE Step 1: Slide the air control out away from the stove until it stops. The air is now fully open for a starting a fire. Step 2: Pull the bypass control open: a short pull toward yourself (about ¾”) and down will open the bypass allowing the chimney to heat quickly.
  • Page 14 Step 4: Light the Fire, you can optionally leave the door slightly cracked open to aid in the start-up of your stove. Close the door once the fire is well lit. Do not leave the stove unattended with the door open. Step 5: After 15 minutes, or once the catalytic thermometer enters the active range, close the bypass control engaging the combustor (Simply lift the bypass...
  • Page 15 ADDING MORE WOOD TO THE FIRE 1. Slide the air control to fully open and pull open the bypass just as you would do when you are starting a fire (see steps 1 & 2 above). Wait 5 minutes to allow the coals to become active and to allow the smoke to draft up the chimney.
  • Page 16 UNDERSTANDING DRAFT Draft is the force which moves exhaust from the appliance up through the chimney. A properly drafting chimney will pull the correct amount of air into the stove and will provide you with excellent performance and heat output. Inadequate draft may cause back puffing of smoke into the room and creosote formation in the chimney.
  • Page 17 BEYOND THE BASICS - DETAILED INFORMATION ABOUT YOUR NEW WOOD STOVE You learned above, the simple process of starting and reloading your stove. This section provides a more in- depth look at what is going on inside your stove as you operate it. This stove’s design combines a thermal secondary burn system (burn tubes) with a catalytic combustion system to create an easy to use, ultra-low emission hybrid appliance.
  • Page 18 2. Primary Air Control – Located on the lower right side of the stove, this control changes the rate of burn for the stove. Slide out for high heat output and slide in for low heat output. You can operate the stove at any burn rate in between high and low.

  • Page 19: Section 5 - Catalyst Information

    SECTION 5 - CATALYST INFORMATION TAMPER WARNING This wood heater contains a catalytic combustor which needs periodic inspection and replacement for proper operation. It is against federal regulations to operate this wood stove in a manner inconsistent with the operating instructions in this manual, or if the catalytic element is deactivated or removed. CATALYST TYPE The combustor supplied with this wood stove is an Applied Catalysts ACI-5M combustor.

  • Page 20: Section 6 - Maintenance

    SECTION 6 - MAINTENANCE This wood heater needs periodic inspection and repair for proper operation. FIRE EXTINGUISHER Every home should have a type A:B:C fire extinguisher that is checked and maintained on a regular basis. The National Fire Protection Agency (nfpa.org) recommends having an extinguisher on each floor of your home. The location of the extinguisher should be known to everyone in the house.
  • Page 21 retaining ring or replace the gasket. Replacement gaskets and service are available through your local dealer or by visiting kumastoves.com. GLASS CLEANING AND REPLACEMENT Never clean the glass when it is hot. Your stove is equipped with an air wash system that will self-clean. Burn the stove on high for 20 to 30 minutes every time you add fuel to the fire.
  • Page 22 gasket material (you can use masking tape to hold it in place). The gasket provided will expand 2-3 times its original thickness once heated to seal gaps. BRICK AND CERAMIC INSULATION REPLACEMENT Bricks and ceramic insulation should be inspected annually and replaced if necessary. Cracked bricks are fine if they remain in place.
  • Page 24 Parts and support are available from your local dealer, by contacting Kuma Stoves at 888-714-5294 or visiting kumastoves.com and clicking on the support tab. Item # Description KR-BH-25 Bypass hinge assembly, stainless steel. Fits: ASH/WCL/CAM/CAS. KR-BP-01 Bypass plate, stainless steel. Fits: All models.

  • Page 25: Section 7 - Troubleshooting

    SECTION 7 - TROUBLESHOOTING STOVE BURNS LAZY AT START UP. 1. The chimney is still cool, allow more time to warm up. 2. Wood is not seasoned (still green). Wood should sit for about 1 year, split and loosely stacked if it was cut green.
  • Page 26 3. Chimney and/or the chimney cap needs to be cleaned. Your chimney should be checked and cleaned, if necessary, every few months. Even a small amount of buildup can cause a draft restriction, for example: ¼ inch of buildup on the side wall of an 8” chimney reduces the effective area of the chimney by about 20%.
  • Page 27 6-year structural warranty: Warranty claim must meet the following conditions: 1. warranty has been registered proving the date of purchase and that you are the original owner. 2. You return the catalyst to Kuma stoves: No advanced exchange is available under this warranty.

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K-251

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