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Lennox Hearth MPD-35 Series manual

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Table of contents for the manual

  • Page 1

    1 NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. INST ALLA TION INSTRUCTIONS VENTED GAS FIREPLACE HEATERS - DIRECT VENT MODELS P/N 850,014M REV. R 06/2008 MODELS POUR VOTRE SÉCURITÉ: Ne pas entreposer ni utiliser d'essence ni d'autre vapeurs ou liquides inflammables dans le voisinage de cet appareil ou de tout autre appareil. POUR VOT[...]

  • Page 2

    2 NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. Figure 1 Electronic appliances are designed to operate on natural or propane gas. An electronic inter- mittent pilot ignition system provides safe, efficient operation. External electrical power is required to operate these units. These appliances comply with National Safety Standards and are teste[...]

  • Page 3

    3 NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. h t i w s l e d o M t l o v i l l i M e v l a V s a G d e t a l u d o M - y l l a u n a M s a G l a r u t a N s e i r e S l e d o M) H / U T B ( e t a r t u p n I 8 2 3 3 - T D P M 8 2 3 3 - R D P M 0 0 5 , 7 1 o t 0 0 7 , 1 1 0 3 5 3 - D P M0 0 0 , 0 2 o t 0 0 8 , 2 1 5 3 0 4 - D P M0 0 0 , 7 2 o [...]

  • Page 4

    4 NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. Shelf Above Fireplace With Rear Venting Do not insulate the space between the appliance and the area above it. Shelf Height ( see table) Shelf Height ( see table) Do not insulate the space between the appliance and the area above it. Shelf Above Fireplace With T op Venting . o N l e d o M ) m m ( s[...]

  • Page 5

    5 NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. h c t i P f o o R H ) t e e f ( 2 1 / 6 o t t a l F0 . 1 2 1 / 7 o t 2 1 / 6 r e v O5 2 . 1 2 1 / 8 o t 2 1 / 7 r e v O5 . 1 2 1 / 9 o t 2 1 / 8 r e v O0 . 2 2 1 / 0 1 o t 2 1 / 9 r e v O5 . 2 2 1 / 1 1 o t 2 1 / 0 1 r e v O5 2 . 3 2 1 / 2 1 o t 2 1 / 1 1 r e v O0 . 4 Figure 4 Figure 5 - Side Eleva[...]

  • Page 6

    6 NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. Figure 7 Right Side Front Corner of Fireplace Framing 6-1/2" (152 mm) 3" (76 mm) Step 1. FRAMING Frame these appliances as illustrated in Figure 9 on page 8 , unless the appliance is to be installed in a corner . See Figure 10 on page 8 for corner framing installations. All framing detail[...]

  • Page 7

    7 NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. 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. 3 ft. A A A = 9” in U.S. = 12” in Canada V L B J X V A G Inside Cor[...]

  • Page 8

    8 NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. . o N l e d o MA B C D E F 8 2 3 3 - T D P M 8 2 3 3 - R D P M . n i8 / 1 3 32 / 1 8 46 1 / 5 4 36 1 / 3 7 14 / 1 4 25 m m1 4 82 3 2 12 7 87 3 46 1 67 2 1 0 3 5 3 - D P M . n i8 / 1 5 32 / 1 7 58 / 5 0 46 1 / 3 9 14 / 3 8 28 / 1 6 m m2 9 81 6 4 12 3 0 17 8 40 3 76 5 1 5 3 0 4 - D P M . n i8 / 1 0 4[...]

  • Page 9

    9 NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. G E B D C F** H N 1/2 (13) 1-5/8 (42) L K T op View NOTE - Eyebrow hood shown as positioned in louvered front model. *CONCENTRIC FLUE FLUE - 4-1/2 (114) COMBUSTION AIR - 7-1/2 (190) FRAMING SP ACERS (T op and Sides and Rear) GAS INLET (Either Side and bottom) * MPD models have a top and rear vent F[...]

  • Page 10

    10 NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. VENT SEAL PLA TE GASKET FIREBOX TOP CABINET TOP SECURING SCREWS VENT COVER PLA TE TOP VENT ON MPD-3530/4035/4540 SERIES MODELS (COMBINED TOP AND REAR VENT UNITS) TOP VENT SEAL & COVER PLA TE REMOVAL WHEN USING THE TOP VENT COVER PLA TE SECURING SCREWS CROSS SECTION (INSIDE UNIT) (OUTSIDE UNIT)[...]

  • Page 11

    11 NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. T R A H C H T G N E L N O I T C E S T N E V l a n i m o N h t g n e L n o i t c e S ) s e h c n i ( 62 14 26 38 4 T O T A L Q T Y n o i t c e S t e N ) s e h c n i ( h t g n e L 2 / 1 - 42 / 1 - 0 12 / 1 - 2 22 / 1 - 4 32 / 1 - 6 4 t n e V f o t h g i e Hs n o i t c e S t n e V f o r e b m u N s e[...]

  • Page 12

    12 NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. Figure 20 To add another vent component to a length of vent run, align the dimpled end over the inclined channel end of the previously installed section, adjusting the radial alignment until the four locking dimples are aligned with the inlets of the four incline channels of the previous section. [...]

  • Page 13

    13 NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. Figure 22 Figure 23 Figure 25 Figure 24 If the vent system extends more than 5' (1.5 m) above the roof flashing, stabilizers may be nec- essary. Additional screws may be used at section joints for added stability. Guide wires may be attached to the joint for additional support on multiple joi[...]

  • Page 14

    14 NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. 40 feet (12.2 meters) Maximum * Ceiling Firestop/Spacer (SV4.5VF) * When using Secure Flex, use Firestop/Spacer SF4.5VF Figure 26 - Top Vent - STRAIGHT VERTICAL VENT FIGURES/TABLES Note: It is very important that the horizontal/ inclined run be maintained in a straight (no dips) and recommended to[...]

  • Page 15

    15 NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. H1 V V1 H *Ceiling Firestop/Spacer (SV4.5VF) **Wall Firestop/Spacer (SV4.5HF) *Ceiling Firestop/Spacer (SV4.5VF) *When using Secure Flex, use Firestop/Spacer SF4.5VF **When using Secure Flex, use Firestop/Spacer SF4.5HF T ABLE C H +H 1 Maximum H Maximum V Minimum feet feet feet 5 (1.524) 2 (0.610)[...]

  • Page 16

    16 NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. Vertical Rise SV4.5E90 Elbow Horizontal / Inclined Run SV4.5HT -2 T ermination Firestop/Spacer SV4.5L6/12/24/36/48 Vent Sections Support Bracket Spacing Every 5 ft (1.52 m) See Figure 20 on page 12 for vertical vent section support. SV4.5HT -2 T ermination Support Brackets Building Support Framing[...]

  • Page 17

    17 NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. SV4.5 HT -2 T ermination 10-1/2" (267mm) 7" (178) 5-1/8" (130 mm) 12-1/8 , " (308 mm) Note: Centerline of Vent Piping is NOT the Same as the Centerline of the Framed Opening. 6 to 48 inch Vent Section, Telescopic vent section, Elbow or Appliance Collar See Figure 9 on page 8 fo[...]

  • Page 18

    18 NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. Note: See Figure 33 for wall thickness range reductions when using SV4.5HT-2. H H = 28 in. (711 mm) Maximum. 7 in. (178 mm) *When using Secure Flex, use Firestop/Spacer SF4.5HF *Wall Firestop/Spacer (SV4.5HF) H V *Wall Firestop/Spacer (SV4.5HF) *When using Secure Flex, use Firestop/Spacer SF4.5VF [...]

  • Page 19

    19 NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. V H H 1 *Wall Firestop/Spacer (SV4.5HF) *Wall Firestop/Spacer (SV4.5HF) *When using Secure Flex, use Firestop/Spacer SF4.5HF **Ceiling Firestop/Spacer (SV4.5VF) **Note - When using Secure Flex, use Firestop/Spacer SF4.5VF Example: If 20 feet of (H) horizontal vent run is needed, then 4 feet minimu[...]

  • Page 20

    20 NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. V H H 1 V 1 **Wall Firestop/Spacer (SV4.5HF) *Ceiling Firestop/Spacer (SV4.5VF) *When using Secure Flex, use Firestop/Spacer SF4.5VF **When using Secure Flex, use Firestop/Spacer SF4.5HF **Wall Firestop/Spacer (SV4.5HF) V H 2 H 1 H **Wall Firestop/Spacer (SV4.5HF) *Ceiling Firestop/Spacer (SV4.5VF[...]

  • Page 21

    21 NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. E. Attach Flex Vent to Termination - Secure Flex components can be purchased separately and attached to bulk lengths of Secure Flex flexible tubing cut to size at the job site. Secure the flexible vent to the Secure Flex terminations in the same manner (see Figure 41) as it was attached to the ada[...]

  • Page 22

    22 NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. WARNING: ELECTRONIC MODELS OF THESE APPLIANCES ARE EQUIPPED WITH A THREE-PRONG (GROUNDING) PLUG UTILIZED IN CONNECTING THE ELECTRONIC COMPONENTS TO THE JUNCTION BOX IN THE LOWER COM- PARTMENT. THIS GROUNDING PLUG PROVIDES PROTECTION AGAINST SHOCK HAZARD AND SHOULD BE PLUGGED DIRECTLY INTO THE PROP[...]

  • Page 23

    23 NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. Gas Stub 1/2" x 3/8" Flare Shut-Off Valve 3/8" Flex T ubing 3/8" Nipple 3/8" Union 3/8" Close Nipple 3/8" Shut-Off V alve 1/2" x 3/8" Reducer Gas Valve Gas Flex Line Connector 3/8" NPT x 3/8" Flare Fitting Control Valve Lower Control Compartme[...]

  • Page 24

    24 NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. ELECTRONIC Proper Flame Adjustment Pilot Nozzle 3/8 T o 1/2 Inch (9 mm to 13 mm) Ground Electrode Flame Rod Hot Surface Igniter Latch Latch Glass Door Firebox Floor Bottom Vee-flange Door Frame T op Flange Door Frame Figure 52 Replace logs if removed for pilot inspection. To light the burner; turn[...]

  • Page 25

    25 NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. Step 10. BURNER ADJUSTMENTS Flame Appearance and sooting Proper flame appearance is a matter of taste. Gen- erally, most people prefer the warm glow of a yellow to orange flame. Appliances operated with air shut- ter openings that are too large will exhibit flames that are blue and transparent. Th[...]

  • Page 26

    26 NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. 12 (305) MANTEL 10 (254) MANTEL 8 (203) MANTEL 6 (152) MANTEL 4 (102) MANTEL 4 (102) 14 (356) 12 (305) 10 (254) 2 (51) MANTEL TOP OF APPLIANCE 6 (152) NO TE - Hood shown as positioned in louvered front model. The hood position in the flush faced front model is lo wer than shown. 8 (203) MANTEL CLE[...]

  • Page 27

    27 NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. d e t s i L t n e V e r u c e S s t n e n o p m o C ™ . o N . t a C. o N l e d o Mn o i t p i r c s e D 0 1 L 4 9S S T H 5 . 4 V Se r a u q S l l a m S l a t n o z i r o H h t i w n o i t a n i m r e T d n a ) 0 8 K 6 9 ( r e c a p S / p o t s e r i F ) 1 6 L 4 7 ( r e t p a d A 7 2 L 8 9L S S T[...]

  • Page 28

    28 NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. S e a l a n t 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 . o N l e d o M . o N n o i t p i r c s e D . r e t p a d a x e l f d n a s p m a l c r a e g , r e c a p s / p o t s e r i f e d u l c n i s t i k n o i t a n i m r e t e s e h T 9 6 9 1 H2 - T H 5 . 4 F Sn o i t a n i [...]

  • Page 29

    29 NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. GAS CONVERSION KITS 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-B149.1 AND .2 INSTALLATION CODE. LA CONVERSION DEVRA ÊTRE EFFECTUÉE CONFORMÉMENT AUX RECOM[...]

  • Page 30

    30 NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. SIT Millivolt Gas Valve Pilot for SIT Millivolt Gas Valve Pressure Regulator Remove These Components Figure 60 Figure 59 Pilot Orifice b. Attach manometer to the manifold side pressure test fitting and verify manifold pres- sure reads 3.5 inches water column (0.87 kPa) for natural gas, and 10.0 in[...]

  • Page 31

    31 NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. Pilot for Honeywell Millivolt Gas Valve (Loosening of Hex Fitting For Orifice Strip Tab Positioning) Pilot for Honeywell Millivolt Gas Valve Figure 64 Pilot for Honeywell Millivolt Gas Valve Orifice Strip Tab Positioning Figure 62 Figure 63 Hood Alignment Hood 7/16 in. Open End Wrench Orifice Stri[...]

  • Page 32

    32 NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. Printed in U.S.A. © 2002 by Lennox Hearth Products P/N 850,014M REV. R 06/2008 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. Consult your local distributor fo[...]