Martin VENT-FREE FIREPLACE SYSTEMS 33ISDG User Manual

This is an unvented gas-fi red heater.
It uses air (oxygen) from the room
in which it is installed. Provisions for
adequate combustion and ventilation
air must be provided. See page 9.
READ AND SAVE THESE INSTRUCTIONS
WARNINGS
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.
– Do not store or use gasoline or other fl ammable
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 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
fi re department.
– Installation and service must be performed by
a qualifi ed installer, service agency or the gas
supplier.
MODEL: 33ISDG
Natural Gas or Propane/LPG
Control Type: Milli-Volt and T-Stat
VENT-FREE
FIREPLACE SYSTEMS
INSTALLATION AND
OPERATING INSTRUCTIONS
WARNINGS
This appliance may be installed in
an aftermarket, permanently located,
manufactured (mobile) home, where
not prohibited by local codes.
This applicance is for use only with the
type of gas indicated on the rating plate.
This applicance is not convertible for
use with other gases.

Martin VENT-FREE FIREPLACE SYSTEMS 33ISDG Specifications

General

Vent Type	Vent-Free
Efficiency	99.9%
Material	Steel
Finish	Black
Fuel Type	Natural Gas, Liquid Propane
Warranty	Limited Lifetime Warranty

Summary

IMPORTANT SAFETY INFORMATION

CARBON MONOXIDE POISONING

Discusses symptoms and actions for CO poisoning.

PRODUCT FEATURES AND SPECIFICATIONS

NATURAL GAS

Details specifications for Natural Gas models, including pressure and gas rates.

PROPANE/LPG

Details specifications for Propane/LPG models, including pressure and gas rates.

GETTING STARTED

GENERAL INSTALLATION INFORMATION

ADEQUATE COMBUSTION AND VENTILATION AIR

Requirements for ensuring sufficient air for combustion and ventilation.

CLEARANCES AND HEIGHT REQUIREMENTS

SECURING HEATER TO FLOOR

Securing Firebox to Floor or Hearth

Steps for anchoring the heater unit to the floor or hearth.

CONNECTING THE GAS

Gas Connection Diagram

Illustrates the proper connection of gas piping to the appliance.

Gas Type Verification

Emphasizes matching the gas supply type to the appliance rating plate.

CHECKING GAS PRESSURE

MILLIVOLT CONTROL

Details how to check gas pressure on the millivolt control valve.

ELECTRICAL WIRING (MILLI-VOLT)

CHECKING SYSTEM OPERATION

Procedures and chart for testing the millivolt system's functionality.

LOG PLACEMENT

INSTALLING BLAZING OAK LOGS ON BURNER

OPERATING INSTRUCTIONS

FOR YOUR SAFETY READ BEFORE LIGHTING

Critical safety precautions before attempting to light the appliance.

WHAT TO DO IF YOU SMELL GAS

Emergency procedures to follow if a gas leak is detected.

CLEANING AND SERVICING

ANNUAL CLEANING/INSPECTION

TROUBLESHOOTING

When ignitor button is pressed, there is no spark at ODS/pilot.

Appliance shuts off during use.

ODS/pilot lights, but flame goes out when control knob is released.