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[Page 1] Lennox Cascade
INSTALLATION AND OPERATION MANUAL Save These Instructions For Future Reference Pellet Stove Model Cascade ® Free-Standing Pellet Stove P/N 775,024M, Rev. D, 05/2009 A French manual is available upon request. Order P/N 775,024CF. Ce manuel d’in...
[Page 2] Lennox Cascade
2 1. DO NOT CONNECT THIS UNIT TO A CHIMNEY FLUE CON- NECTED TO ANOTHER APPLIANCE. 2. Do not connect this appliance to air ducts or any air distribu- tion system. 3. DO NOT INSTALL A FLUE DAMPER IN THE EXHAUST VENTING SYSTEM OF THIS APPLIANCE. ...
[Page 3] Lennox Cascade
3 PACKAGING LIST The assembled pellet stove model Cascade ® , is packaged with an accessory package which contains the following: One - Installation and operation instructions manual One - Warranty One - Power cord One - Grate scraper One ...
[Page 4] Lennox Cascade
4 NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE CAUTION The body of these appliances are very heavy. The use of a heavy duty escalara (stair step hand truck) is recommended for lifting the appliance body. WARNING Electrical gr...
[Page 5] Lennox Cascade
5 *Note: Refer to pipe Manufacturer's installation instructions for minimum pipe clearances. Figure 1 - Floor Protection Requirements *Note: When installed at clearances less than 6”, floor protection is only required to extend to the wall....
[Page 6] Lennox Cascade
6 INSTALLATION TIPS GOOD INSTALLATION * Horizontal Installation (Direct Vent - Outside Wall) No natural draft. Wind pressures may affect operation PLEASE REVIEW THIS ENTIRE INSTALLATION AND OPERA- TION MANUAL FOR ADDITIONAL INSTRUCTIONS. BETTER ...
[Page 7] Lennox Cascade
7 NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE Removing Appliance From Pallet 1. After removing the packaging from the stove, lift the hopper lid, and remove any pre-packaged items that were shipped in the hopper. Also open the door assembl...
[Page 8] Lennox Cascade
8 Installation Check List It is strongly recommended that you have an authorized Lennox Hearth Products dealer install your stove. If you install your stove yourself, you should review your installation plan with an authorized Lennox Hearth Produc...
[Page 9] Lennox Cascade
9 NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE VENTING REQUIREMENTS It is recommended that only an Lennox Hearth Products dealer install your pellet stove. The specified installation requirements must be followed to ensure conformity with b...
[Page 10] Lennox Cascade
10 NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE Pipe/Liner Joint Requirements Silicone sealant and three screws are required to secure the first vent connection to the appliance flue collar. Secure and seal the remaining vent sections pe...
[Page 11] Lennox Cascade
11 NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE Vent Termination Locations A = Clearance above grade, veranda, porch, deck, or bal- cony (min. 12”/30cm) B = Clearance to window or door that may be opened (min. 12”/30cm above - 48”/1.2...
[Page 12] Lennox Cascade
12 NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE *Min. 2 ft. clearance is required to com- bustibles (i.e. cedar shake roof, etc.) Figure 10 - Manufactured Home Chimney Height Requirements Chimney Height Requirements - Site Built Residential ...
[Page 13] Lennox Cascade
13 NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE Determining Size Of Pipe To Install To determine what diameter pipe to use in an installation (3” or 4”), first find the “equivalent pipe length” using the following guidelines, then p...
[Page 14] Lennox Cascade
14 NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE Standard Horizontal Vent Installation Installing the Cascade™ Pellet Stove This stove is approved for venting with Type L and Type PL pellet vent pipe listed to UL 641 or ULC S609. We recommen...
[Page 15] Lennox Cascade
15 NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE Standard Horizontal Installation Configurations Model: Cascade ® Corner Through the Wall Top View Illustration Horizontal Vent Through the Wall Side View Illustration Wall llaW 1" (25...
[Page 16] Lennox Cascade
16 NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE Standard Vertical Installation Configurations Model: Cascade ® This appliance may be connected to an existing flue or by installing type “PL” vent pipe (listed to UL 641 and ...
[Page 17] Lennox Cascade
17 NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE CARE AND OPERATION Simple Operating Instructions 3. Priming the Auger (Optional) a] Fill hopper with pellets Note: Use quality grade pellet fuel b] Move the "HEAT OUTPUT" switch ...
[Page 18] Lennox Cascade
18 Control Board Heat Output Switch - The Heat Output switch activates both the con- vection and combustion blowers and the auger motor. If the exhaust does not reach operation temperature within 25 minutes, the stove will automatically shut down....
[Page 19] Lennox Cascade
19 NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE Fuel Specifications - Using the Ultragrate™ burn system, this appliance has been designed to burn wood residue pellets only (with up to 2% ash content). Agricultural pellets (i.e. corn, alf...
[Page 20] Lennox Cascade
20 Ash - The frequency of removal of the ash and maintenance performed on the stove is directly proportional to the ash content of the fuel and the operation duration of your pellet stove. Low ash fuel may allow longer intervals between cleaning, ...
[Page 21] Lennox Cascade
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE 5 A 1 2 3 4 B F C D E Grate Scraper and Ash Pan Tool UltraGrate A, B: Exhaust C, D: Ashslide Openings E: 2. UltraGrate Housing F: 2. Ash Pan 1,2: . Exhaust Passage 2. Access Plates 3,4: . Ash ...
[Page 22] Lennox Cascade
22 Updated per Cascade manual Ash Pan Note: Periodically check for ash build up under the Ultragrate™. If the ash is allowed to build up to the bottom of the UltraGrate™, there will be a loss of combustion air and the pellets will start to pil...
[Page 23] Lennox Cascade
23 NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE Door Rope Gasket * The condition of the rope gasket around the door and windows should be checked periodically and replaced or repaired if necessary. A strip of paper or a paper bill (i.e. one...
[Page 24] Lennox Cascade
24 1. Open Hopper Lid 2. Turn small knob with fingers until top of panel clears this notch. 3. Loosen bottom screw until panel clears this notch (1/4” hex head screw) 4. Swing open hinged panel. 5. Unthread damper arm and set aside....
[Page 25] Lennox Cascade
25 NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE Flue Size 3” Rear Floor Protection Front, Sides and Back = 6” (152mm) u Requirements Hopper Capacity 60 lbs. v Burn time 17-40 hours v Fuse, Control Board 8 Amp, 250 Volt w Heat Inpu...
[Page 26] Lennox Cascade
26 • Air Wash The air wash is a portion of the incoming combustion air that is split off and routed to flow across the inside of the glass door which helps the viewing area stay clean. • Auger (A) A motor powered screw device that transf...
[Page 27] Lennox Cascade
27 NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE Figure 33 - WIRING DIAGRAM 120 V AC CASCADE ® WIRING DIAGRAM WHITE BLUE BROWN BROWN WHITE WHITE BROWN GREEN BLACK BLACK GREEN WHITE BLUE A UGER M OT OR B L OWER (HIGH) ( LOW) H O T NEUTRAL GREE...
[Page 28] Lennox Cascade
28 PROBLEM CAUSE(S) SOLUTIONS 1. Fire burns with a lazy orange flame. Pellets build up in the grate and the window soots up. Insufficient combustion air. A) Remove any clinkers or ash from the bottom of the grate that might be obstructing the p...
[Page 29] Lennox Cascade
29 DOOR PARTS Item Cat. No. Description 1 17150183 Door Assembly, Black 2 17150086 Door Handle Assembly 3 H7220 Door Hinge Blocks (2 per Pkg) 4 H7219 Door Hinge Pins (2 per Pkg) 5 17150084 Door Glass Kit (Includes clips, screws and gasket) 6 171571...
[Page 30] Lennox Cascade
30 NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE FIREBOX PARTS Item Cat. No. Description 34 17150025 Firebrick Kit 35 H5802 Heat Exchange Baffle 36 H4961 Ash Clean-out Cover, Right 37 H4960 Ash Clean-out Cover, Left 38 16050246 Ultragrate™,...
[Page 31] Lennox Cascade
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE REPLACEMENT PARTS DIAGRAMS 33 32 40 14 31 30 42 29 28 41 27 19 20 21 22 25 26 24 23 12 18 17 13 15 16 (RE) Add cleaning brush (done 3-6-08) 31 ...
[Page 32] Lennox Cascade
32 NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE Item # Catalog # Model # Description 1 H0469 DKCA-G Door Kit, Cascade ® , Gold 2 14M80 QDPC – 3 Quick Disconnect Pipe Connector, 3” (ref. Form # 506033-02) 2 12051504 Quick Disconnect Pipe C...
[Page 33] Lennox Cascade
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE Note that your serial number is printed on the safety label located in the hopper. SAFETY / LISTING LABEL LENNOX 09-0593 33 ...
[Page 34] Lennox Cascade
Printed in U.S.A. © 2000 Lennox Hearth Products P/N 775,024M REV. D 05/2009 Lennox Hearth Products reserves the right to make changes at any time, without notice, in design, materials, specifications, prices and also to discontinue colors, sty...
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