Shown with optionalcabinet mantel,hearth base, and trimaccessories.Save this manual for future reference.®WARNING: If the information in this manual is notfollowed exactly, a fire or explosion may result causingproperty damage, personal injury, or loss of life.— Do not store or use gasoline or other flammablevapors and liquids in the vicinity of this or any otherappliance.— WHAT TO DO IF YOU SMELL GAS• Do not try to light any appliance.• Do not touch any electrical switch; do not use anyphone in your building.• Immediately call your gas supplier from aneighbor’s phone. Follow the gas supplier’s in-structions.• If you cannot reach your gas supplier, call the firedepartment.— Installation and service must be performed by aqualified installer, service agency, or the gas supplier.WARNING: Improper installation,adjustment, alteration, service,or maintenance can cause injuryor property damage. Refer to thismanual for correct installationand operational procedures. Forassistance or additional infor-mation consult a qualified in-staller, service agency, or thegas supplier.WARNING: This is an unventedgas-fired heater. It uses air (oxy-gen) from the room in which it isinstalled. Provisions for adequatecombustion and ventilation airmust be provided. Refer toAir forCombustion and Ventilation sec-tion on page 4 of this manual.OWNER’S OPERATION AND INSTALLATION MANUALDESA INTERNATIONALUNVENTED (VENT-FREE)NATURAL GAS FIREPLACEVYGF33NRREMOTE READYGAS FIREPLACESYSTEMThis appliance may be installed in an aftermarket* manufactured (mobile) home, where not prohibitedby state or local codes.* Aftermarket: Completion of sale, not for purpose of resale, from the manufacturer