Installation & Maintenance Manual L42DF ST Indoor L-Series Residential Fireplace DANGER Read and understand this manual. Improper installation, adjustment, alteration, service or maintenance can cause serious injury, property damage or even death. For assistance or additional information consult a qualified installer, service agency or the gas supplier. CAUTION Glass doors on gas fireplaces are extremely hot while the fireplace is on and remain hot even after the fireplace has been turned off.
L42DF-ST Indoor Gas Fireplace NOTICE You must read and understand this manual prior to installation, operation or troubleshooting this appliance. Please retain this owner’s manual for furure reference and maintenance. Table of Contents Safety Alert Key Introduction................................................................................ 3 Models............................................................................ 3 Installation Before you Start................................................
L42DF-ST* Indoor Gas Fireplace Safety Alert Key DANGER WARNING Indicates a hazardous situation which, if not avoided, WILL result in death or serious injury or property damage. Indicates a hazardous situation which, if not avoided, COULD result in death or serious injury or property damage. CAUTION NOTICE Indicates a hazardous situation which, if not avoided, WILL result in minor or moderate injury.
L42DF-ST* Indoor Gas Fireplace Installation Section A: Before you Begin IMPORTANT MESSAGE: SAVE THESE INSTRUCTIONS The L42DF*-ST Direct Vent fireplace must be installed in accordance with these Instructions. Carefully read all the Instructions in this manual first. Consult the Local Gas Branch to determine the need for a permit prior to starting the installation.
L42DF-ST* Indoor Gas Fireplace Installation Section 1: Installation Overview and Product Dimensions Please review the Installation Checklist on Page 4 for general information on preparing for a successful installation of your fireplace. The L42DF*-ST fireplace may be installed in any location that maintains proper clearances to air conditioning ducts, electrical wiring and plumbing. Safety, as well as efficiency of operation, should be considered when selecting the fireplace location.
L42DF-ST* Indoor Gas Fireplace Installation Section 2: Framing Supplied shield Combustible Shelf 2” Min. 1). Frame in the enclosure for the unit with framing materials. The framed opening for the assembled fireplace is 45" wide, x 40" high x 23 3/4" deep, see Figure 2. N.G. & L.P NOTE: When constructing the framed opening, please ensure there is access to install the gas line when the unit is installed. See Figure 22. 45” 12” (NG) 17” (LP) Min. PEL Short 90 elbow 41”Min N.G. 54”Min L.P.
L42DF-ST* Indoor Gas Fireplace Installation Section: Section 3: Venting Montigo supplies a variety of direct venting and termination options. The direct vent termination location MUST be selected such that it is the highest point in the venting assembly. It should also be selected such that it provides the shortest vent run possible.
L42DF-ST* Indoor Gas Fireplace Installation Section 3-2: INSTALLING A ROOF MOUNTED DIRECT VENT TERMINATION (PVTK-1) This section applies to installations where the direct vent termination will be roof mounted. PVTK1 Termination Section 3-2-1: VENTING LAYOUT Selection of components and details of venting lay out should adhere to the following guidelines: The maximum termination point is 32’ above the fireplace (NOTE: if the maximum termination height is used, the flame pattern may be affected).
L42DF-ST* Indoor Gas Fireplace Installation Connection and installation of the vent components should adhere to the following guidelines: PVTK1 Termination PEXT Solid Section 12” Max. Figure 11c. Rear vent, Roof mounted venting (1 = 90° bend). Section 3-2-2: VENTING COMPONENTS Select from the following components and associated Montigo part numbers for installation of a Roof Mounted Termination. Use only Montigo Vent Components.
L42DF-ST* Indoor Gas Fireplace Installation Section 3-3: INSTALLING A WALL MOUNTED DIRECT VENT TERMINATION This section applies to installations where the direct vent termination will be wall mounted. 4). Installation of termination from inside structure A Termination with a MOSR Frame is installed from the inside of the structure. These are commonly used in high-rise construction. MOSR Frame 1).
L42DF-ST* Indoor Gas Fireplace Installation Section 3-3-1: VENTING LAYOUT: Wall mounted termination. Selection of components and details of venting layout should adhere to the following guidelines: Vent terminations must not be recessed in walls or siding. All through-the–wall terminations within 6’ (total) of the fireplace must have a Montigo Heat Shield (RHS101) installed. See Section 3-3-3.
L42DF-ST* Indoor Gas Fireplace Installation Notes Wall Mounted Terminations: Side Vent All dimension lengths for vertical or horizontal runs are measured from center of the vent pipe. Venting runs must fall within the limits set by the venting graphs, see Figure 17. Fireplace must be converted to Rear Vent configuration prior to running vent, see Figure 7 and 8.
L42DF-ST* Indoor Gas Fireplace Installation Section 3-3-2: VENTING COMPONENTS The following components and associated Montigo part numbers are available for installation of a Wall Mounted Termination. Use only Montigo Vent Components. Use of non-Montigo parts will void the warranty and may impede operation of the fireplace.
L42DF-ST* Indoor Gas Fireplace Installation Section 3-3-3: Heat Shields Installing a Wall Mounted RHS101 Heat shield. Installing a Wall Mounted RHS8 Heat shield The RHS8 Heat shield CANNOT be used when the Termination is WITHIN (36" Min. horizontal and 46" Min. vertical) from the fireplace, or directly off the rear of the fireplace, as shown figure 19a. The RHS101 Heat Shield (Figure 19c and 19d) MUST be used within the noted dimensions.
L42DF-ST* Indoor Gas Fireplace Installation Section 4: Wiring 1. Models Included L42FSDNI 2. L42FSDLI Figure 21.
L42DF-ST* Indoor Gas Fireplace Installation Section 5: Installing the Gas Line Note: Section 5-1: FUEL CONVERSION Verify that your fireplace is compatible with your available gas type. (Natural Gas or Propane shown by "N" or "L" in your model number If gas type is not compatible, contact your local Montigo representative to purchase a conversion kit. Conversion kits must be installed by a qualified service technician.
L42DF-ST* Indoor Gas Fireplace Installation Section 6: Finishing Finishing Around the Fireplace Combustible mantels and mouldings may be safely installed over the top and on the front of the fireplace provided that they do not project beyond shaded area shown in Figure 24.
L42DF-ST* Indoor Gas Fireplace Installation Section 7: Installing & Removing the Door Removing the door: The L42DF* doors are removed in a few simple steps. Follow these below to remove the Horizontal access panel, unlatch the door buckles and, remove the door. Replace in reverse order. Remove the Horizontal Access Panel: Step 1: Remove the Horizontal Access Panel: Remove the Horizontal cover by placing fingers in both finger holes, then pushing away from you and lifting out.
L42DF-ST* Indoor Gas Fireplace Installation Section 8: Installing the Accessories Installing the Firestones: N.G. (Natural Gas) Fireplaces The L42DF* is supplied with firestones. Remove the Door and trim as shown in the previous Instruction. Follow these instructions to ensure all parts are removed or replaced as required. Once the Trim and glass doors are removed place the firestones randomly across the pan and the burners as described in Figure 27 to 27c. Note: (N.G.
L42DF-ST* Indoor Gas Fireplace Operation Section 9: Start-up Sequence with Continuous Pilot with American Flame Electronic Ignition For Your Safety - READ BEFORE LIGHTING: WARNING If the information in these instructions is not followed exactly, a fire or explosion may result causing property damage, personal injury or death. A. This appliance has a pilot which must be lighted by hand. When lighting the pilot, follow these instructions exactly. B.
L42DF-ST* Indoor Gas Fireplace Operation Proflame SIT Electronic Ignition with American Flame Electronic Ignition For Your Safety - READ BEFORE LIGHTING: WARNING Models L42DFNI-ST If the information in these instructions is not followed exactly, a fire or explosion may result causing property damage, personal injury or death. A. This appliance is equipped with an ignition system that lights the pilot burner automatically. Do not attempt to light the pilot by hand. B.
L42DF-ST* Indoor Gas Fireplace Maintenance Lighting Instructions See pages 21 to 23. Hi-Lo Burner Adjustment: (SIT Nova 820). General The L42DF* is equipped with an adjustable burner, allowing you to raise or lower the flames. To adjust the flames, locate the black knob marked 'Hi-Lo', in the centre of the gas control valve (See Figure 32). ■ To raise the flame height, turn the black knob (located behind the lower trim) counter-clockwise. ■ To lower the flame height, turn clockwise.
L42DF-ST* Indoor Gas Fireplace Maintenance Models Troubleshooting: (SIT Nova 820). L42DFN L42DFL The following is a troubleshooting chart of possible problems: PROBLEM SOLUTION Noisy Pilot Flame Locate pilot adjustment screw on gas control valve. Flame is decreased by turning adjustment screw clockwise. Pilot won’t ignite Disconnect remote wires and try to light pilot. If pilot now works, remote connections are faulty. Check wiring diagram figure 33. Main burner will not ignite 1.
L42DF-ST* Indoor Gas Fireplace Replacement AppendixParts Spare Parts List L42FSDN L42FSDNE L42FSDNI NG Gas Valve RGC1006 RGC1004 LP Gas Valve RGC1005 RGC1003 NG Pilot RPA020 RPA003 LP Pilot RPA021 RPA004 NG Burner Contact Local Dealer LP Burner NG Oriface R0R00952 R0R00948 LP Oriface R0R00961 R0R00956 Door RDTL42 RDTL42 Base RLG549 ~ Page 24 XG0182 - 112811
L42DF-ST* Indoor Gas Fireplace Appendix Appendix A: Termination Locations A = clearance to the termination frame above grade, veranda, porch, deck, or balcony [16 inches (41 cm) minimum] B = clearance to door, or sides and top of window, that may be opened [16 inches (41 cm) minimum for appliances ≤100 000 BTU/H (30kW)] C = clearance to bottom of window that may be opened horizontally [36 inches (92 cm) minimum for appliances ≤100 000 BTU/H (30kW)] D = no clearance to permanently closed window when instal
L42DF-ST* Indoor Gas Fireplace Appendix Appendix B: Warranty The Warranty The Companies warrants the Montigo Gas Appliance to be free from defects in materials and workmanship at the time of manufacture. On the Montigo fireplace, there is a ten-year warranty on the firebox and its components, a five-year warranty on the main burner and pilot burner, and a one-year warranty on the gas control valve, fibre logs and Power Vent Module.
L42DF-ST* Indoor Gas Fireplace Appendix Appendix C: State of Massachusetts Amendment (Gas Fireplace / Equipment sold in the State of Massachusetts) 5.08: Modifications to NFPA-54, Chapter 10 (1) Revise NFPA-54 section 10.5.4.
L42DF-ST Flush Face Gas Fireplace Ferndale, Washington TF: 1.800.789.6236 FX: 1.866.3000.0927 XG0182 - 112811 Langley, British Columbia TF: 1.800.378.3115 FX: 1.604.607.
