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RETAIN THESE INSTRUCTIONS
FOR FUTURE REFERENCE
This appliance may be installed as an OEM instal-
lation in a manufactured home (USA only) or
mobile home and must be installed in accordance
with the manufacturer's instructions and the manu-
factured home construction and safety standard,
Title 24 CPF, Part 3280 or Standard for Installation
in Mobile Homes, CAN/CSA Z240 MH.
This appliance is only for use with the type(s) of
gas indicated on the rating plate. A conversion
f i r e - p a r t s . c o m
kit is supplied with the appliance.
WARNING: IF THE INFORMATION IN THIS MANUAL
IS NOT FOLLOWED EXACTLY, A FIRE OR EXPLO-
SION MAY RESULT CAUSING PROPERTY DAM-
AGE, PERSONAL INJURY OR LOSS OF LIFE.
FOR YOUR SAFETY: Do not store or use gasoline
or other flammable vapors or liquids in the vicin-
ity of this or any other appliance.
FOR YOUR SAFETY: What to do if you smell gas:
• DO NOT light any appliance.
• DO NOT touch any electrical switches.
• DO NOT use any phone in your building.
• Immediately call your gas supplier from a
neighbor's phone. Follow your gas suppliers
instructions.
• If your gas supplier cannot be reached, call the
fire department.
Installation and service must be performed by a
qualified installer, service agency or the gas
supplier.
WH Report No. J20006712
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
INSTALLATION
INSTRUCTIONS
DESIGNER DIRECT VENT
MULTI-OPEN
VENTED GAS FIREPLACE HEATERS - DIRECT VENT MODELS
P/N 800,021M REV. A 01/2002
MODELS
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AVERTISSEMENT: ASSUREZ-VOUS DE BIEN SUIVRE
LES INSTRUCTIONS DONNÉ DANS CETTE NOTICE POUR
RÉDUIRE AU MINIMUM LE RISQUE D'INCENDIE OU
POUR ÉVITER TOUT DOMMAGE MATÉRIEL, TOUTE
BLESSURE OU LA MORT.
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 VOTRE SÉCURITÉ: Que faire si vous sentez une
odeur de gaz:
• Ne pas tenter d'allumer d'appareil.
• Ne touchez à aucun interrupteur. Ne pas vous servir
des téléphones se trouvant dans le batiment où
vous vous trouvez.
• Evacuez la piéce, le bâtiment ou la zone.
• Appelez immédiatement votre fournisseur de gaz
depuis un voisin. Suivez les instructions du
fournisseur.
• Si vous ne pouvez rejoindre le fournisseur de gaz,
appelez le service dos incendies.
L'installation et service doit être exécuté par un qualifié
installeur, agence de service ou le fournisseur de gaz.
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Table of Contents
Related Manuals for Intertherm Millivolt DMSTNM-2
Summary of Contents for Intertherm Millivolt DMSTNM-2
- Page 1 INSTALLATION INSTRUCTIONS DESIGNER DIRECT VENT MULTI-OPEN RETAIN THESE INSTRUCTIONS VENTED GAS FIREPLACE HEATERS - DIRECT VENT MODELS FOR FUTURE REFERENCE P/N 800,021M REV. A 01/2002 This appliance may be installed as an OEM instal- MODELS lation in a manufactured home (USA only) or mobile home and must be installed in accordance with the manufacturer's instructions and the manu- v i l...
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Page 2: Table Of Contents
GENERAL INFORMATION PACKAGING TABLE OF CONTENTS The assembled vented gas fireplace heater is Note: Installation and repair should be per- packaged with: Packaging ........page 2 formed by a qualified service person. The appli- 1- one log set, with one plastic bag of vermicu- ance should be inspected annually by a quali- Introduction ........ -
Page 3: Location
Maximum manifold pressure is 3.5 in. w.c. Cet appareil peut être installé comme du WARNING: FAILURE TO COMPLY WITH (0.87 kPa) for natural gas and 10 in. w.c. matériel d'origine dans une maison (2.49 kPa) for LP/Propane gas. préfabriquée (É.-U. seulement) ou mobile THE INSTALLATION AND OPERATING IN- et doit être installé... -
Page 4: Appliance And Vent Clearances
Figure 54 on page 24 Figure 2 The appliance should be mounted on a fully supported base extending the full width and depth of the unit. The appliance may be located on or near conventional construction materi- als. However, if installed on combustible mate- rials, such as carpeting, vinyl tile, etc., a metal 8 4 ₄... -
Page 5: Typical Installation Sequence
Vertical Vent Termination Clearances Step 1. FRAMING Terminate single vent caps relative to Frame these appliances as illustrated in Figures 9 (DMSTNM-2), 10 (DMPFNM-2) on page 7. All building components according to framing details must allow for a minimum clear- Figure 4 . - Page 6 EXTERIOR HORIZONTAL VENT TERMINATION CLEARANCE REQUIREMENTS f i r e - p a r t s . c o m A = clearance above grade, veranda, porch, deck, or balcony J = non-mechanical inlet (includes combustion air intake 12 inches (30.5 cm) minimum for a direct vent appliance or any other inlet not provid- ing ventilation air for living spaces): B = clearance to window or door that may be opened...
- Page 7 FIREPLACE FRAMING SPECIFICATIONS 11C\, 6Z\v 22C\v f i r e - p a r t s . c o m Z\x 1207 Figure 9 framing 11C\, 6Z\v 22C\v Z\x 1207 Figure 10 framing NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
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Page 8: Fireplace Specifications
FIREPLACE SPECIFICATIONS Figure 11 (see Figures 13 and 14 on page 9) f i r e - p a r t s . c o m Figure 12 (see Figures 13 and 14 on page 9) NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. -
Page 9: Step 2. Routing Gas Line
Step 2. ROUTING GAS LINE Preparing the Appliance Vent Collar SIDE VENT SEAL CAP & COVER PLATE REMOVAL WHEN USING THE SIDE VENT Route a ¹⁄₂" (13 mm) gas line as shown in VENT SEAL CAP Each of the unit's two vent collars are sealed COVER PLATE INSULATION Figure 9 (DMSTNM-2), 10 (DMPFNM-2) on... -
Page 10: Vertical Termination Systems
VERTICAL TERMINATION SYSTEMS (ROOF) i t c i t c Figure 17, and Figures 29 through 33 on i t c i t c pages 13 and 14 and their associated Vertical Vent Tables illustrate the vertical venting con- o i t o i t figurations that are allowed to be used with these appliances. - Page 11 Ensure the thimble penetrates the roof open- The SV4.5LA Telescopic Vent Section has an Arrow Align the dimple (four places) of the ing. The thimble must extend completely effective length of from 1 ¹⁄₂" (38 mm) to 7 ¹⁄₂" upper vent section with the opening of the locking incline channel on the through the ceiling or roof cavity to the outer- (191 mm).
- Page 12 E. Support the vertical vent run sections - G. Continue installation of horizontal/inclined Note - Proper venting support is very impor- sections - Continue with the installation of the tant. The weight of the vent must not be sup- straight vent sections in horizontal/inclined ported by the firplace in any degree.
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Page 13: Vertical Vent Tables And Figures
VERTICAL VENT FIGURES/TABLES Note: Secure Vent (rigid vent pipe) is shown in the figures; Secure Flex (flexible vent pipe) may also be used (see page 21). INIMUM WARNING: UNDER NO CIRCUMSTANCES MAY SEPARATE SECTIONS OF CONCEN- TRIC FLEXIBLE VENT PIPE BE JOINED TOGETHER. -
Page 14: F E E ( T 2 1 4 . M ) M A
VERTICAL VENT FIGURES/TABLES (continued) f i r e - p a r t s . c o m Figure 32 - Rear Vent - THREE ELBOWS INIMUM Figure 33 - Top Vent - THREE ELBOWS NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE. -
Page 15: Horizontal Termination System
HORIZONTAL (OUTSIDE WALL) TERMINATION SYSTEM Figure 34, and Figures 38 to 44 on page 17 to 19 and their associated Horizontal Vent Table illustrate the horizontal venting configurations that are allowed to be used with these appli- ances. Secure Vent pipe applications are shown in these figures;... - Page 16 J. Assemble vent run to exterior wall - If not previously measured, locate the center of the vent at the exterior wall. Prepare an opening as described in Step B. Assemble the vent system to point where the terminus of the last section is within 7¹⁄₂...
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Page 17: Horizontal Vent Tables And Figures
HORIZONTAL VENT FIGURES/TABLES Note: Secure Vent components (rigid vent pipe and terminal) are shown in the figures; Secure Flex components (flexible vent pipe and terminal) may also be used. 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 elbows, must be followed if 45 degree elbows are used. - Page 18 HORIZONTAL VENT FIGURES/TABLES (continued) f i r e - p a r t s . c o m See Table 3 as an aid in venting component selection for a particular range of exterior wall thicknesses. Square termination (SV4.5HTS) shown; Round Termination (SV4.5HTR) may also be used. Figure 41 - Rear Vent - TWO 90 DEGREE ELBOWS H + H...
- Page 19 HORIZONTAL VENT FIGURES/TABLES (continued) f i r e - p a r t s . c o m See Table 3 as an aid in venting component selection for a particular range of exterior wall thicknesses. Square termination (SV4.5HTS) shown; Round Termination (SV4.5HTR) may also be used. Figure 43 - Rear Vent - THREE 90 DEGREE ELBOWS INIMUM...
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Page 20: Venting Using Flexible Vent Pipe
VERTICAL OR HORIZONTAL VENTING USING SECURE FLEX KITS AND COMPONENTS FLEX VENT Secure Flex venting kits and components may NOTE: OUTER PIPE IS PULLED AWAY TO SHOW THE DETAIL OF THE INNER PIPE be used in any venting application in place of SECURING SCREW rigid Secure Vent (SV4.5) direct vent compo- (3 PLACES EQUIDISTANT... -
Page 21: Step 4. Millivolt Circuit Wiring
Step 5. CONNECTING GAS LINE Note: Secure Flex vent must be attached to Secure Flex terminations only. DO NOT sub- Make gas line connections. All codes require a stitute Secure Vent terminations or the Se- shut-off valve mounted in the supply line. cure Vent adapter for Secure Flex compo- Figure 48 illustrates two methods for con- nents. -
Page 22: Step 6. Installing Logs
Millivolt Appliance Checkout Step 6. INSTALLING LOGS, VERMICULITE, Step 8. INSTALLING GLASS ENCLOSURE DECORATIVE VOLCANIC STONE AND PANELS The pilot flame should be steady and, not lifting GLOWING EMBERS 1. Visually inspect the gasket on the backside or floating. Flame should be blue in color with The log set, with one plastic bag of vermiculite, of the panels. -
Page 23: Step 9. Burner Adjustments
Step 9. BURNER ADJUSTMENTS Step 10. HOOD INSTALLATION The adjustment rod and associated adjustable All of these appliances must have hoods air shutter is patented technology. Flame ad- Flame Appearance and sooting installed on all sides with glass enclosure justments can be made quickly and accurately panels prior to operating. -
Page 24: Cold Climate Insulation
COLD CLIMATE INSULATION If you live in a cold climate, seal all cracks around your appliance with noncombustible material and wherever cold air could enter the room. It is especially important to insulate outside chase cavity between studs and under floor on which appliance rests, if floor is above ground level. f i r e - p a r t s . - Page 25 INSTALLATION ACCESSORIES t s i ™ t s i ™ i t a t i k r i f , r e . r e z i r l a t i t a z i r l a t i t a h t i e r i...
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Page 26: Gas Conversion Kits
GAS CONVERSION KITS WARNING: THIS CONVERSION KIT SHALL BE AVERTISSEMENT: CET ÉQUIPEMENT DE CONVERSION INSTALLED BY A QUALIFIED SERVICE AGENCY IN SERA INSTALLÉ PAR UNE AGENCE QUALIFIÉE DE SERVICE ACCORDANCE WITH THE MANUFACTURER'S IN- CONFORMÉMENT AUX INSTRUCTIONS DU FABRICANT ET STRUCTIONS AND ALL APPLICABLE CODES AND TOUTES EXIGENCES ET CODES APPLICABLES DE REQUIREMENTS OF THE AUTHORIZED AGENCY... - Page 27 Step 7. (Refer to Figure 55 on page 26 ) A. Remove the two orifices from the mani- Pressure fold and replace them with the ones Regulator provided in the kit. The following table shows the orifice sizes for the propane models .
- Page 28 f i r e - p a r t s . c o m The manufacturer 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 for fireplace code information. Printed in U.S.A.