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Manafacture: United States Stove File size: 3.03 mb File name: Language of manual:

• Do not install a flue damper in the exhaust vent of this unit. • Termination must exhaust above air inlet elevation. Installation MUST include three (3) vertical feet of pellet vent pipe. This will create some natural draft to prevent the possibility of smoke or odor during appliance shutdown and to keep exhaust from causing a nuisance or hazard from exposing people or shrubs to high temperatures. Do not connect this unit to a chimney flue serving another appliance. Do not connect directly to a masonry chimney. • The installation must include a cleanout tee to enable collection of fly ash and to permit periodic cleaning of the exhaust system. 90 ° elbows accumulate fly ash and soot thereby reducing exhaust flow and performance of the heater. Each elbow or tee reduces draft potential by 30% to 50%. Use no more than 180 degrees of elbows (two 90-degree elbows, or two 45-degree and one 90-degree elbow, etc.) and one cleanout tee to maintain adequate draft. Cleanout tees and elbows should not be connected to the rear of the unit unless a 3-inch adapter is used. • Total length of horizontal vent must not exceed 48”(4ft.)/1,200mm. The maximum recommended vertical venting height is 12-feet for 3-inch type “PL” vent. For venting higher than 12-feet, 4-inch “PL” vent must be used. All joints in the vent system must be fastened by at least 3 screws, and all joints must be sealed with RTV silicone sealer to be airtight. • The area where the vent pipe penetrates to the exterior of the home must be sealed with silicone or other means to maintain the vapor barrier between the exterior and the interior of the home. NOTE: These are guidelines only. Proper venting is accomplished by design and necessary requirements. In most installations 3 inch diameter venting is adequate. If it does not vent properly you will have to change it to 4 inches. You should not exceed 4 inch diameter venting. DO NOT CONNECT TO ANY AIR DISTRIBUTION DUCT OR SYSTEM VENT TERMINATION CLEARANCES: A) Min. 4-ft clearance below or beside any door or window that opens. B) Min. 1-ft clearance above any door or window that opens. C) Min. 3-ft clearance from any adjacent building. D) Min. 7-ft clearance from any grade when adjacent to public walkways. E) Min. 2-ft clearance above any grass, plants, or other combustible materials. F) Min. 3-ft clearance from a forced air intake of any appliance. G) Min. 2-ft clearance below eaves or overhang. H) Min. 1-ft clearance horizontally from combustible wall. I) Must be a minimum of 36-inches above the roof and 24-inches above the highest point or the roof within 10-feet. 10 USSC DESIGN GUIDELINES FOR OUTSIDE COMBUSTION AIR CONNECTION DESIGN GUIDELINES FOR OUTSIDE COMBUSTION AIR CONNECTION 1. For installations with horizontal through-the-wall exhaust, it is strongly recommended that the heater combustion air be connected to the outside. If the home is newer or has been tightly insulated, it is required to install outside combustion air. 2. Connection to outside the house is REQUIRED for mobile home installations. We strongly urge use of the 69FAK Fresh Air Kit. 90 DEGREE BEND TERMINATION WIND HOOD TERMINATION 2” Min. Diameter Wind Hood 2” 3” 6”NOTE: A wire mesh screen with a maximum opening size of 3/8” must be installed in the pipe or elbow for rodent exclusion. 3. Only noncombustible pipe 2 inches (or greater) in diameter is approved to use for outside air connections (straight or flexible). PVC pipe is NOT approved and should NEVER be used. 4. If the air inlet is connected to the outside, it MUST be terminated with a vertical 90-degree bend (down) or with a wind hood. Failure to do so could result in a burn back during high winds blowing directly up the air inlet during a simultaneous power failure (see diagram above). 5. Blockage, excessive length, or extra bends in the air intake pipe will starve the heater of combustion air. A 90-degree bend is equivalent in restriction to approximately 30 inches of straight inlet pipe. CAUTION: The operation of exhaust fans such as bath room fans, attic fans, etc. might starve the heater of combustible air creating a negative pressure in the room. Provide adequate ventilation in the room accompanying the heater. If not, the pressure switch may shut off operation of the heater. (Due to negative pressure) USSC 11 INSTALLATION CONFIGURATIONS INSTALLATION CONFIGURATIONS The Multifuel Heater Model 6041TP/6041HF may be installed as follows: 1) A freestanding unit The Multifuel Heater Model 6041I insert may be installed as follows: 1) In a pre-fab firebox (Factory Built) 2) In an existing masonry fireplace 3) As a build-in MOBILE HOME INSTALLATION REQUIREMENTS IN ADDITION TO THE STANDARD INSTALLATION INSTRUCTION, THE FOLLOWING REQUIREMENTS ARE MANDATORY FOR INSTALLATION IN A MOBILE HOME: WARNING DO NOT INSTALL IN SLEEPING ROOM 1) Heater must be permanently bolted to the floor. Remove the Base Trim and bolt thru the base flange. 2) Heater must have permanent outside air source. (69F...

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