Fire feature L38DF-ST Installation Operation & Maintenance

Direct-vented gas fireplace

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f i r e f e a t u r e
Warning:
Improper installation, adjustment,
alteration, service or maintenance can
cause injury or property damage. Refer to
this manual. For assistance or additional
information consult a qualified installer,
service agency or the gas supplier.

What To Do If You Smell Gas:

Do not try to light any appliance.
Do not touch any electrical switch; do not use any phone in your building.
Immediately call your gas supplier from a neighbor's phone. Follow the gas
supplier's instructions.
If you cannot reach your gas supplier, call the fire department.
For Your Safety:
Do not store or use
gasoline or other flammable
vapors and liquids in the
vicinity of this or any other
appliance.
Installation
Operation &
Maintenance
L38DF-ST
(See-thru)
For Indoor Use
Direct-Vented
Gas Fireplace

Safety Notice:

Glass doors on gas fireplaces are
extremely hot while the fireplace is on
and remain hot even after the fireplace
has been turned off. Safety screens
are available and can reduce the risks
of severe burns. Please keep children
away from the fireplace at all times.
Check local codes and read all
instructions prior to installation.
Installer: Leave this manual
with the appliance.
Consumer: Leave this man-
ual for future reference.
C
®
US

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Summary of Contents for Fire feature L38DF-ST

  • Page 1: Safety Notice

    Installation Operation & f i r e f e a t u r e Maintenance L38DF-ST (See-thru) For Indoor Use Direct-Vented Gas Fireplace Safety Notice: Glass doors on gas fireplaces are extremely hot while the fireplace is on and remain hot even after the fireplace has been turned off.
  • Page 2: Table Of Contents

    L38DF-ST model. Vent Installation .............. 4 Installation Requirements ........4 The L38DF-ST (See-thru) is rated for Natural Gas or Propane at 27,000 BTU/H (7.91 Kilowatts) Input. Installing the Remote Switch ......5 ► L38DF-ST; Top Vent, Millivolt Pilot.
  • Page 3: Installation

    For Rear Vent applications the minimum clearance from 26 3/4” the top of the L38DF-ST fireplace to a shelf is 10". For Top Vent applications, the minimum clearance are shown in the clearance table. (Minimum 5 1/4”...
  • Page 4: Installing The Gasline

    Installing The Remote Switch depth of the appliance. The L38DF-ST's gas valve is located behind the lower trim, and may be connected to a wall switch. The valve generates its own power on a millivolt circuit. Use only low voltage wire, and DO NOT connect Installing The Gas Line any external power to it.
  • Page 5: Vent Terminations

    L38DF-ST See-thru Gas Fireplace f i r e f e a t u r e Installation Installing Terminations with MOSR Frames Cautions: MOSR Vent terminations can be very hot. If the termination is less 12 12 than 7 feet above a public walkway, it should be fitted with a certified Montigo Heat Guard.
  • Page 6: Top Vent Venting Runs

    L38DF-ST See-thru Gas Fireplace f i r e f e a t u r e Installation Installing the Nailing NOTES: All dimension lengths for vertical or horizontal runs are measured from centre of the vent pipe. Flange Extension Venting runs must fall within the limits set by the venting Once the fireplace is placed into the rough framed opening, and the graph (see Figure 9a).
  • Page 7 L38DF-ST See-thru Gas Fireplace f i r e f e a t u r e Installation 5" / 8" Venting RHS8 A - Termination PVTK-1 B - Flex Sections PFL-1 (12" Section) PFL-2 (24" Section) PFL-3 (36" Section) PFL-4 (48" Section) C - Rigid Sections PEXT-1 (12"...
  • Page 8 L38DF-ST See-thru Gas Fireplace f i r e f e a t u r e Installation Side Vent Venting Requirements If your installation requires more than 12" of horizontal venting, some vertical lift is required. Use the vent graph below to determine an acceptable vent run.
  • Page 9: Horizontal Vent Installation

    L38DF-ST See-thru Gas Fireplace f i r e f e a t u r e Installation Horizontal Vent Installation To install the heat shield, slide one section over the vent pipe on the inside of the wall opening, with the circular portion inside the wall Vent systems that terminate through a wall may comprise up to cavity.
  • Page 10 L38DF-ST See-thru Gas Fireplace f i r e f e a t u r e Installation Vertical Vent Installations Vertical Installations with a rise greater than 12' can be reduced  from 5/8 to 4/7 venting. • minimum 2' (two feet) above the highest point where...
  • Page 11: Finishing Around The Fireplace

    Wiring for the optional Fan Kit Warning: All L38DF-ST fireplaces may be equipped with optional fan kits for When covering the upper metal portion of the fireplace with a non- circulating heat into the living space.
  • Page 12: Removing And Installing The Door

    L1 L2 Optional Rocks L38DF-ST Beads The L38DF-ST is supplied with three bags of Designer Glass beads. Place them randomly across the pan, surrounding the burners as shown in Figure 28c. Optional River Rocks The L38DF-ST has optional cultured rocks which mimic real stone, Figure 27b.
  • Page 13: Lighting Instructions

    L38DF-ST See-thru Gas Fireplace f i r e f e a t u r e Operation - Model L38DF-ST L38DF-ST with Continuous Pilot For Your Safety - READ BEFORE LIGHTING: WARNING: If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life.
  • Page 14 L38DF-ST See-thru Gas Fireplace f i r e f e a t u r e Operation - Model L38DF-ST-I L38DF-ST-I with Honeywell Electronic Ignition For Your Safety - READ BEFORE LIGHTING: WARNING: If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life.
  • Page 15 L38DF-ST See-thru Gas Fireplace f i r e f e a t u r e Operation - Model L38DF-ST-A L38DF-ST-A B-Series BF-A L-Series DF-I with American Flame Electronic Ignition For Your Safety - READ BEFORE LIGHTING: with American Flame Electronic Ignition...
  • Page 16: Operation

    • An inspection of the explosion relief flappers and the door The L38DF-ST is equipped with an adjustable burner, allowing you to gasketing to ensure a proper seal. 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).
  • Page 17: Troubleshooting

    L38DF-ST See-thru Gas Fireplace f i r e f e a t u r e Maintenance Gas Control Valve Troubleshooting L38DF-ST-I Power Generator Pilot Adjustment Screw Wall Switch Inlet Pressure Manifold Pressure Test Connection Figure 33. Sit Nova 820 gas valve.
  • Page 18: Warranty

    L38DF-ST See-thru Gas Fireplace f i r e f e a t u r e 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, 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 and fibre logs.
  • Page 19: Termination Locations

    L38DF-ST See-thru Gas Fireplace f i r e f e a t u r e Appendix A - Termination Locations A = clearance to the termination frame above grade, veranda, porch, deck, clearance above paved sidewalk or a paved driveway located on public †...
  • Page 20 L38DF-ST See-thru Gas Fireplace f i r e f e a t u r e Appendix B - 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 10.5.4.2...
  • Page 21 L38DF-ST See-thru Gas Fireplace f i r e f e a t u r e Maintenance Notes Spare Parts - L38DF-ST LDF-ST NG Gas Valve RGC1006 LP Gas Valve RGC1005 NG Pilot RPA020 LP Pilot RPA021 Burner NG RBL38501 Burner LPG...
  • Page 22 f i r e f e a t u r e XG0810 - 041808 Montigo Del Ray Corp. Canadian Heating Products Inc. Ferndale, WA 98248 Langley, BC V4W 4A1...

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