Instruction/ maintenance manual of the product MP04-VDLPM Lennox Hearth
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NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. 1 VENTED GAS FIREPLACE HEATERS - DIRECT VENT MODELS P/N 850,043M REV. F 09/2008 MODELS DIRECT VENT MERIT ™ PLUS SERIES This appliance may be installed in an aftermarket perma- nently located, manufactured home (USA only) or mobile home, where not prohibited by local codes.
2 NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. Figure 1 TABLE OF CONTENTS Packaging ........................................ page 2 Introduction ..................................... page 2 General Information ......................... page 2 Location .
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. 3 Note: Power venting of direct vent fireplaces may result in the reduction of efficiencies by as much as ten percent. Consider this in making any venting and heating decisions in any installation application.
4 NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. Figure 2 Figure 3 *Note: 3 in. (76mm) above any horizontal/ inclined vent component for the MPLDV30 in all cases, and for the MPLDV35, MPLDV40 & MPLDV45, when the vent center line is greater than 48" (1219 mm) above the fire- place top wrapper surface.
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. 5 12 X Roof Pitch is X/12 2 FT MIN. 2 FT MIN. Lowest Discharge Opening H* *H = MINIMUM HEIGHT FROM ROOF TO LOWEST DISCHARGE OPENING OF VENT TERMINA TIO.
6 NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. The fireplace should be secured to the side framing members using the unit's nailing flanges - one top and bottom on each side of the fireplace front. See Figure 6. Use 8d nails or their equivalent.
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. 7 Figure 8 EXTERIOR HORIZONTAL VENT TERMINATION CLEARANCE REQUIREMENTS V V V V V F C Fixed Closed Window Operable Window B B A B H M I = Area where Termination is not Permitted = Air Supply Inlet X = Vent T ermination V D V 3 ft.
8 NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. Figure 10 Figure 9 Framing FIREPLACE FRAMING SPECIFICATIONS Corner Framing with Square Termination (SV4.5HT-2) A B *7 (178) 5-1/8 **12-1/8 (308) 10-1/2 ( 267 ) D Framing should be constructed of 2 x 4 or larger lumber.
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. 9 RIGHT SIDE VIEW B 17 (432) 1 (25.4) LEFT SIDE VIEW 4 3/4 (121) 2 9/32 (58) TOP VIEW 6 5/8 (168) F G FRONT VIEW 13 11/64 (335) A E D C 10 (254 mm) H 3 5/16 (100 mm) . o N l e d o MA B C D E F G H 0 3 V D L P M .
10 NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. Figure 13 Step 3. INSTALL THE VENT SYSTEM General Information These instructions should be used as a guide- line and do not supersede local codes in any way. Install vent according to local codes, these instructions, the current National Fuel Gas Code (ANSI-Z223.
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. 11 Maintain a minimum 1" (25 mm) clearance to combustible materials for all vertical vent elements. Clearances for horizontal vent elements are 1" (25 mm) at the sides and 1" (25 mm) on the bottom.
12 NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. 10 1/2” Min. (267 mm) 10 1/2” Min. (267 mm) Figure 14 Align the dimple (four places) of the upper vent section with the opening of the locking incline channel on the lower vent section. T wist vent component clockwise to engage and seal until arrow and dimple align.
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. 13 Maintain a minimum 1" (25 mm) clearance to combustible materials for all vertical vent elements. Clearances for horizontal vent elements are 1" (25 mm) at the sides and 1" (25 mm) on the bottom.
14 NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. Note: Install second restrictor in any run having more than 8 ft. of vertical rise. Figure 23 - Top Vent - STRAIGHT Figure 24 - Top Vent - TWO 90 DEGREE ELBOWS VERTICAL VENT FIGURES/TABLES Note: Two 45 degree elbows may be used in place of one 90 degree elbow.
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. 15 Figure 25 - Top Vent - THREE ELBOWS Example: If 20 feet of (H) horizontal vent run is needed, then 4 feet minimum of (V) vertical vent will be required.
16 NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. Vertical Rise SV4.5E90 Elbow Horizontal / Inclined Run SV4.5 HT -2 T ermination Firestop/Spacer SV4.5L6/12/24/36/48 Vent Sections Support Bracket Spacing Every 5 ft (1.52 m) See Figure 17 on page 12 for vertical vent section support.
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. 17 Horizontal terminations have been designed to perform in a wide range of weather conditions. Our terminations meet or exceed industry standards.
18 NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. HORIZONTAL VENT FIGURES/TABLES Note: Two 45 degree elbows may be used in place of one 90 degree elbow. The same rise to run ratios, as shown in the venting figures for 90 degree elbows, must be followed if 45 degree elbows are used.
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. 19 Figure 30 - Top Vent - ONE 90 DEGREE ELBOW - ELBOW CONNECTION NOT DIRECTLY AT APPLIANCE See Table 3 as an aid in venting component selection for a particular range of exterior wall thicknesses. Square termination (SV4.
20 NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. Example: If 20 feet of (H) horizontal vent run is needed, then 4 feet minimum of (V) vertical vent will be required. This table shows a 1 (V) to 5 (H) ratio. For every 1 foot of (V) vertical, you are allowed 5 feet of (H) horizontal run, up to a maximum horizontal run of 20 feet.
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. 21 GEAR CLAMPS Adapter (SV4.5RF) Apply ONL Y MIL-PAC BLACK HIGH TEMPERA TURE SEALANT (Catalog No. 10K81) to the outside surface of both collars of the .
22 NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. Step 4. FIELD WIRING Caution: Label all wires prior to disconnec- tion when servicing controls. Wiring errors can cause improper and dangerous opera- tion. Verify proper operation after servicing. Refer to Section A for millivolt appliances and Section B for electronic appliances.
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. 23 Figure 39 Step 5. CONNECTING GAS LINE All codes require a shut-off valve mounted in the supply line. The orientation of the shut- off valve should face the front, as shown in Figure 39 . Figure 38 illustrates the method for connecting the gas supply.
24 NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. Figure 40 Door Assembly Gas Line Access Panel Bottom Panel Burner Assembly Figure 42 - Figure 41 INSTALLING THE GLASS DOOR ELECTRONIC Pilot Hood Sensor Ignitor MILLIVOL T Thermocouple Hood Ignitor Rod 3/8" Min (9 mm) Thermopile Pilot Nozzels Step 6.
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. 25 Figure 43 Figure 44 Burner Adjustment Step 9. BURNER ADJUSTMENTS Flame Appearance and sooting Proper flame appearance is a matter of taste. Generally, most people prefer the warm glow of a yellow to orange flame.
26 NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. 17" 14" Min. Distance T o Unprotected Side Wall 8-1/4" 45 ° Combustible Materials Allowed In Shaded Area “Safe Zone” 12" 5" Min.
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. 27 INSTALLATION ACCESSORIES CONTINUED d e t s i L x e l F e r u c e S s t n e n o p m o C ™ . t a C .
28 NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. Figure 47 Burner Assembly Gas Valve Assembly Orifice Air Adjustment Arm In Canada: THE CONVERSION SHALL BE CARRIED OUT IN ACCORDANCE WITH THE REQUIREMENTS OF THE PROVINCIAL AUTHORITIES HAVING JURISDICTION AND IN ACCORDANCE WITH THE REQUIREMENTS OF THE CAN1-B149.
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. 29 Pressure Regulator Remove These Components Pilot Orifice Figure 51 Figure 50 Figure 52 Figure 49 Figure 48 Note: If the ignitor is damaged, a replacement kit is available, order Catalog Number 87L54.
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32 NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. Printed in U.S.A. © 2007 by Lennox Hearth Products P/N 850,043M REV. F 09/2008 Lennox Hearth Products reserves the right to make changes at any time, without notice, in design, materials, specifications, prices and also to discontinue colors, styles and products.
An important point after buying a device Lennox Hearth MP04-VDLPM (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 Hearth MP04-VDLPM 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 Hearth MP04-VDLPM - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Lennox Hearth MP04-VDLPM you will learn all the available features of the product, as well as information on its operation. The information that you get Lennox Hearth MP04-VDLPM will certainly help you make a decision on the purchase.
If you already are a holder of Lennox Hearth MP04-VDLPM, 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 Hearth MP04-VDLPM.
However, one of the most important roles played by the user manual is to help in solving problems with Lennox Hearth MP04-VDLPM. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Lennox Hearth MP04-VDLPM 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
