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Desa GA3700 User Manual

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WHAT TO DO IF YOU SMELL GAS
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UNVENTED (VENT-FREE) GAS FIREPLACE
OWNER’S OPERATION AND INSTALLATION MANUAL
VYGF33PRC AND VYGF33NRC
REMOTE-READY GAS FIREPLACE SYSTEMS

Shown with
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mantel with hearth
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
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Desa GA3700 Specifications

General IconGeneral
BrandDesa
ModelGA3700
CategoryIndoor Fireplace
LanguageEnglish

Summary

SAFETY

LOCAL CODES

PRODUCT FEATURES

Safety Device

Explains the ODS/pilot safety shutoff system.

AIR FOR COMBUSTION AND VENTILATION

Providing Adequate Ventilation

Explains the importance of fresh air for combustion and ventilation.

INSTALLATION

Installing Gas Piping to Fireplace Location

Details requirements and procedures for connecting the gas supply.

Connecting Fireplace to Gas Supply

Steps for connecting the flexible gas line to the fireplace.

Checking Gas Connections

Procedures for testing all gas connections for leaks.

Pressure Testing Gas Supply Piping System

Instructions for pressure testing gas lines before operation.

Pressure Testing Fireplace Gas Connections

Methods for testing gas connections specific to the fireplace unit.

OPERATION

For Your Safety Read Before Lighting

Crucial safety precautions to follow before attempting to light the fireplace.

Lighting Instructions

Step-by-step guide for lighting the pilot and main burner.

INSPECTING BURNER

Pilot Flame Pattern

How to check the pilot flame for correct operation and safety.

Burner Flame Pattern

Guidance on verifying the main burner flame for proper combustion.

CLEANING AND MAINTENANCE

Burner Injector Holder and Pilot Air Inlet Hole

Procedures for cleaning critical air inlets to prevent soot.

TROUBLESHOOTING

Ignition & Flame Issues

Addresses problems with pilot ignition, main burner lighting, and flame stability.

Odor Issues

Diagnoses and resolves unwanted odors and gas smells.

REPLACEMENT PARTS

TECHNICAL SERVICE

WARRANTY

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