Majestic 36LDVT - User Manual

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Installation Instructions and

Homeowner’s Manual

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10007852 7/08 Rev. 15

DO NOT STORE

OR USE GASOLINE OR OTHER

FLAMMABLE VAPORS AND

LIQUIDS IN THE VICINITY OF THIS

OR ANY OTHER APPLIANCE.

WHAT TO DO IF YOU SMELL GAS:

• Do not try to light any appliance.

• Do not touch any electric switch; do

not use any phone in your building.

• Immediately call your gas supplier

from your neighbor’s phone. Follow

the gas suppliers instructions.

• If you cannot reach your gas

supplier call the ﬁre department.

WARNING!

IF THE INFORMATION IN THIS

MANUAL IS NOT FOLLOWED

EXACTLY, A FIRE OR EXPLOSION

MAY RESULT CAUSING

PROPERTY DAMAGE, PERSONAL

INJURY OR LOSS OF LIFE.

PLEASE READ THIS MANUAL

BEFORE INSTALLING AND USING

APPLIANCE

INSTALLER/CONSUMER

SAFETY INFORMATION

FOR YOUR SAFETY

Installation and service must be

performed by a qualiﬁed installer,

service agency or the gas supplier.

Builder Top Vent

Direct Vent

Models: 33LDVT, 36LDVT

39LDVT, 43LDVT







INSTALLER: Leave this manual with the appliance.

CONSUMER: Retain this manual for future reference.

Table of Contents

Questions and Answers

A
Angela CarrAug 6, 2025
What to do if my Majestic 36LDVT Indoor Fireplace has a frequent pilot outage problem?
- C
  Christopher JonesAug 7, 2025
  If the pilot light on your Majestic Indoor Fireplace frequently goes out, it could be due to a pilot flame that is either too low or too high, causing the pilot safety to shut off. To resolve this, clean and adjust the pilot flame to ensure maximum flame impingement on the thermopile and thermocouple. Another possible cause is a blockage in the vent terminal. Inspect the vent terminal for any obstructions that might be recycling flue gases.
C
Cheryl FrazierAug 16, 2025
What to do if the pilot will not stay lit on my Majestic 36LDVT Indoor Fireplace?
- J
  Jason FloresAug 16, 2025
  If the pilot light on your Majestic Indoor Fireplace won't stay lit after following the lighting instructions, there are a couple of potential reasons. First, the pilot flame might not be properly impinging on the thermocouple/thermopile. Make sure to clean and adjust the pilot to maximize flame impingement. Second, the automatic valve could be defective. To check this, turn the valve knob to 'Pilot' and maintain flow to the pilot; a millivolt meter should read greater than 10 mV. If the reading is okay but the pilot still doesn't stay on, the gas valve may need to be replaced.
D
Daniel MataAug 21, 2025
How to fix a spark ignitor that will not light on a Majestic 36LDVT Indoor Fireplace?
- W
  William ReeseAug 22, 2025
  If the spark ignitor on your Majestic Indoor Fireplace isn't lighting, it could be due to a defective or misaligned electrode at the pilot. Try lighting the pilot with a match. If it lights, turn it off and push the red button again. If it still doesn't light, check the gap at the electrode and pilot, ensuring it's about 1/8 inch for a strong spark. Alternatively, the ignitor itself (push button) might be defective. Check for a spark at the electrode and pilot when pushing the Piezo Ignitor Button. If there's no spark and the electrode wire is properly connected, you may need to replace the ignitor.
L
Louis RandallAug 31, 2025
Why does the pilot light keep going out on my Majestic Indoor Fireplace?
- J
  Jennifer McmillanAug 31, 2025
  A frequent pilot outage in your Majestic Indoor Fireplace could be due to a pilot flame that's either too low or too high, causing the pilot safety to drop out. To resolve this, clean and adjust the pilot flame to ensure maximum impingement on both the thermopile and thermocouple. Another possible reason is a blockage in the vent terminal, which can recycle flue gases. Inspect the vent terminal for any obstructions.
N
Nancy WatsonNov 10, 2025
Why is my Majestic Indoor Fireplace pilot burning, but no gas goes to the main burner?
- A
  amybrooksNov 10, 2025
  If your Majestic Indoor Fireplace pilot is burning but no gas is reaching the main burner, the issue could stem from several causes. First, inspect the wall switch and its wiring for proper connections; if a jumper wire across the terminals makes the burner ignite, replace the defective wall switch. Second, ensure that the wire connections from the thermopile to the gas valve terminals are secure and that the thermopile is fully inserted into the pilot bracket; a millivolt meter should read 250-300 millivolts (minimum 150) at the thermopile terminals of the gas valve. Third, check the burner orifices for any obstructions and clear them. Finally, with the valve knob and wall switch set to 'On', a millivolt meter should read greater than 100 mV; if the reading is adequate but the burner stil...
S
Seth CalhounNov 25, 2025
What to do if the Majestic Indoor Fireplace pilot is burning, but there's no gas to the main burner?
- J
  Jordan PerezNov 25, 2025
  If the pilot light is on but the main burner isn't receiving gas, several issues could be the cause. First, check the wall switch and wiring for secure connections. You can bypass the wall switch by using a jumper wire across the terminals; if the burner ignites, the switch is likely defective and needs replacement. If that doesn't work, try jumping the wires at the valve; if the burner then comes on, the wires are faulty or poorly connected. Also, the thermopile might not be generating enough millivoltage. Ensure the wire connections from the thermopile to the gas valve terminals are tight and that the thermopile is fully inserted into the pilot bracket. One of the wall switch wires may be grounded. Remove wall switch wires from valve terminals; if pilot now stays lit, trace wall switch w...

Summary

INSTALLER;CONSUMER SAFETY INFORMATION

EMERGENCY GAS LEAK PROCEDURE

Critical steps to follow if you smell gas, including who to contact.

FIRE AND EXPLOSION WARNING

Hazards and consequences of not following manual instructions.

Installation & Operating Instructions

GENERAL INSTALLATION SAFETY

Essential precautions for safe installation and operation of the fireplace.

HOT GLASS SAFETY CAUTIONS

CARBON MONOXIDE DETECTOR MANDATES

General Venting Requirements

VENT TERMINATION LOCATION CRITERIA

General Venting Information - Termination Location

VENT TERMINATION CLEARANCES

Detailed clearance requirements for vent terminations in Canadian and US installations.

Vertical Sidewall Installation - Twist Lock Pipe

Vertical Sidewall Installation - Flex Vent Pipe

Vertical Through-the-Roof Applications

VENT CONFIGURATIONS AND ELBOW LIMITATIONS

Rules for vent height, horizontal runs, and maximum elbow usage.

Vertical Through-the-Roof Installation

ROOF SUPPORT AND FLASHING INSTALLATION

Log, Lava Rock, and Ember Material Installation

LOG IDENTIFICATION AND PLACEMENT

Identifying logs by number and step-by-step placement instructions.

Lighting and Operating Instructions

PRE-LIGHTING SAFETY CHECKS

Critical safety warnings and procedures before attempting to light the fireplace.

STEP-BY-STEP LIGHTING PROCEDURE

Detailed instructions for safely lighting the pilot and operating the unit.

Lighting and Operating Instructions (SIT822 Valve)

Lighting & Operating Instructions (AF4000 Valve)

SHUTTING OFF GAS SUPPLY

Troubleshooting Gas Control System (SIT NOVA 820)

COMMON SYMPTOMS AND SOLUTIONS

Troubleshooting guide for common issues with the SIT NOVA 820 valve.

Troubleshooting American Flame Gas Control System

FIREPLACE IGNITION FAILURE DIAGNOSIS

Troubleshooting steps for when the fireplace fails to light.

American Flame Gas Control System Error Codes

IGNITION SAFETY AND THERMAL PROTECTION CODES

Explains error codes related to ignition safety and overheat protection.

Appliance Gas Conversion

VALVE CONVERSION PROCEDURE

Steps for converting the gas valve between LP and Natural Gas.

Maintenance Procedures

CLEANING THE STANDING PILOT CONTROL SYSTEM

Detailed instructions for cleaning the pilot assembly and gas control system.

Limited Lifetime Warranty Information

BASIC WARRANTY TERMS AND CONDITIONS

Majestic 36LDVT Specifications

General

Log Material	Ceramic Fiber
Vent Type	Direct Vent
Fuel Type	Natural Gas, Propane
Viewing Area	36 inches
Ignition Type	Electronic

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