Instruction/ maintenance manual of the product MP-42OD Lennox
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42" Indoor / Outdoor Wood Burning Fireplaces P/N 850,031M REV . B 04/2006 MP-42OD MODEL MERIT ® PLUS SERIES This installation manual will enable you to obtain a safe, effi cient and de- pendable installation of your fi replace system. Please read and understand these instructions before beginning your installation.
NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. 2 T ABLE OF CONTENTS Safety Rules ...................................... Page 2 T ools and Building Supplies .............. Page 2 Precautions ....................................... Page 2 Introduction .
NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. 3 These fi replace systems are designed for installa- tion in accordance with the National Fire Protec- tion Standard for chimneys, fi replaces .
NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. 4 INDOOR INST ALLA TIONS - The minimum installed height of the completed fi replace system for is 15' 0." The maximum height is 60' 0" (see T able 1 ). OUTDOOR INST ALLA TIONS - The minimum installed height of the completed fi replace system is 7' 9.
NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. 5 Figure 4 Insulate Joists Same As Ceiling Draft Stops Firestop CTDT T ermination Note: Non- Combustible Chase Flashing Must Be Used T o Cover Cha.
NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. 6 ASSEMBL Y STEPS Note: The following steps represent the normal sequence of installation. Each installation is unique, however , and might require a different sequence. 1. Position fi rebox prior to framing or into prepared framing.
NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. 7 IMPORT ANT! IF THE AIR GA TE IS INST ALLED UPSIDE DOWN (WITH THE NOTCH POSI- TIONED ON THE UPPER HALF) IT WILL NOT WORK PROPERL Y .
NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. 8 Figure 16 Air Duct Air Inlet Clamps Note: Air Inlet Must Be Free Of Any Obstructions Install as follows: Connect the 4" (102 mm) Class 0 air duct provided, to the collar on the fi replace with the clamps provided in the kit’ s hardware package ( Figure 16) .
NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. 9 45" (1143 mm) 31-9/16" (802 mm) 21-1/4" (540 mm) 8-3/16" (208 mm) T op View Right Side Gas Line Access Junction Box Combusti.
NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. 10 INST ALLING THE FIREPLACE Step 1. Slide the fi replace into prepared fram- ing or position fi replace in its fi nal position and frame later . The fi replace may not be recessed into a combustible fl oor .
NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. 11 Note: Install the hearth extension only as il- lustrated (see Figures 21 & 22 ). The safety strips should extend from front of the fi replace at least 1 1/2" and should extend to be at least fl ush with the sides.
NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. 12 3. Cut or frame a hole through the outside wall for the installation of the air inlet hood. A 6-1/2" diameter hole is required.
NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. 13 CHIMNEY 30° OFFSET THROUGH FLOOR OR CEILING It may be necessary to assemble the chimney at 30° when passing through the fl oor or ceiling area. Use the F8FS30 fi restop spacer as shown in Figures 31 & 32 .
NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. 14 Next, slide roof fl ashing over extended chimney section that previously has been installed above the roof opening in Step 4 . FTF8 fl ashings require fl ashing spacers. Slide fl ashing all the way down until the fl ashing base rests fl at on the roof ( Figure 38 ) .
NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. 15 This suggestion is provided in the interest of better operation. If the terminations are located too close to each other , smoke may migrate from one fl ue into the other .
NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. 16 The offset and return elbows may be attached together , or a section or sections of chimney may be used between, but do not exceed 20' in total length between elbows. If sections of pipe exceed 10' between elbows, a chimney stabilizer must be used at the midpoint ( Figure 45 ) .
NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. 17 Figure 45 Stabilizer A 1 20' Max. B 1 10' Max. Offset Elbow Return Elbow A 1 C 1 B 1 B 2 C 2 A 2 A 1 C 1 B 1 B 2 C 2 A 2 Chimney Section Joints No.
NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. 18 Offset Elevation Chart A B FTF8-ES30 Number of FTF8 Chimney Sections Offset Height Offset/Return FTF8-S4 (Inches) (Inches) Elbow Stabilizer 12&.
NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. 19 If you’re installing a gas line, connect it before the fi replace is framed and enclosed in the fi nished wall. The gas knockout is determined by the indentation located at the bottom and slightly off center in the side refractories.
NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. 20 COLD CLIMA TE INSULA TION If you live in a cold climate, it is especially important to seal all cracks around the fi replace opening with noncombustible material and wherever cold air could enter the room.
NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. 21 Figure 53 A B D C C Hearth Extension Dimensions A 16" B 35" C8 " D 52" Wall Shield Required Where Less Than 12" A B C .
NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. 22 Calculating Minimum Thickness if Multiple Materials are Used At times it is important to know what combination of materials are acceptable for use as fl oor protection.
NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. 23 Storm Collar 63L59 FSC Storm Collar (12 pack) 94L77 FSC-B-12 Air Gate Kit H1972 OAKG-OD Combination Offset/Return Elbow 63L28 FTF8-OR15 Firestop Spacer (Flat) (Single Pack) 63L29 F8FS Firestop Spacer (Flat) (Single Pack) 63L31 F8FS-2 Firestop Spacer (Flat) (12 Pack) 94L76 F8FS-12 Ref.
NOTE: DIAGRAMS & ILLUSTRA TIONS ARE NOT TO SCALE. 24 Printed in U.S.A. © 2005 by LENNOX HEARTH PRODUCTS P/N 850,031M REV . B 04/2006 The manufacturer reserves the right to make changes at any time, without notice, in design, materials, specifi cations, prices and also to discontinue colors, styles and products.
An important point after buying a device Lennox MP-42OD (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Lennox MP-42OD yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Lennox MP-42OD - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Lennox MP-42OD you will learn all the available features of the product, as well as information on its operation. The information that you get Lennox MP-42OD will certainly help you make a decision on the purchase.
If you already are a holder of Lennox MP-42OD, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Lennox MP-42OD.
However, one of the most important roles played by the user manual is to help in solving problems with Lennox MP-42OD. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Lennox MP-42OD along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
