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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.

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 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.

Installation and service must be performed by a qualified installer, service agency, or the

gas supplier.

WARNING: This is an unvented gas-fired heater. It uses air (oxygen) from the room in which it
is installed. Provisions for adequate combustion must be provided. Refer to page 3 of this
manual.

This appliance may be installed in an aftermarket* manufactured (mobile) home, where not
prohibited by state or local codes.
* Aftermarket: Completion of sale, not for purpose of resale, from the manufacturer

This appliance is only for use with the type of gas indicated on the rating plate. This appliance
is not convertible for use with other gases.

BLUE FLAME

VENT-FREE NATURAL GAS HEATER

OWNER’S OPERATION AND INSTALLATION

MANUAL

6000 BTU MANUALLY CONTROLLED MODELS

Summary of Contents for BLUE FLAME BLUE FLAME VENT-FREE NATURAL GAS HEATER

Page 1: ...r call the fire department Installation and service must be performed by a qualified installer service agency or the gas supplier WARNING This is an unvented gas fired heater It uses air oxygen from t...

Page 2: ...ollow the gas supplier s instructions if you cannot reach your gas supplier call the fire department 3 Never install the heater in a recreational vehicle where curtains furniture clothing or other fla...

Page 3: ...space unless provisions are pro vided for adequate combustion and ventilation air Read the fol lowing instructions to insure proper fresh air for this and other fuel burning appliances in your home T...

Page 4: ...Have a Confined or Unconfined Space Use this worksheet to determine if you have a confined or unconfined space Space Includes the room in which you will install heater plus any adjoining rooms with do...

Page 5: ...ze of ventilation grills or ducts WARNING Rework work sheet adding the space of the adjoining unconfined space The combined spaces must have enough fresh air to supply all appliances in both spaces Fi...

Page 6: ...son must install heater Follow all local codes AnA G A design certifiedmanualshutoff valve with 1 8 NPT tap is an acceptable alternative to test gauge connection Pur chase the optional A G A design ce...

Page 7: ...ll shown Solid Wall 1 16 Space Figure 8 Tightening Anchors INSTALLING TO WALL Continued Placing Heater On Mounting Screws 1 Locate two keyhole slots on back panel of heater see Figure 9 2 Place large...

Page 8: ...r Installation must include a manual shutoff valve ground joint union and plugged 1 8 NPT tap Locate NPT tap within reach for test gauge hook up NPT tap must be up stream from heater see Figure 12 App...

Page 9: ...l valve see Figure 14 Apply mixture of liquid soap and wa ter to gas joints Bubbles forming show a leak 5 Correct all leaks at once 6 Light heater see Operating Heater pages 9 and 10 Check the rest of...

Page 10: ...ghts Note If pilot does not stay lit re fer to Troubleshooting pages 12 through 14 Also contact a quali fied service person or gas supplier for repairs Until repairs are made light pilot with match To...

Page 11: ...in Figure 20 turn heater off see To Turn Off Gas to Appliance page 10 see Troubleshooting pages 12 through 14 WARNING If yellow tipping occurs your heater could pro duce increased levels of carbon mon...

Page 12: ...le damaged 7 Control valve damaged REMEDY 1 Free ignitor cable if pinched by any metal or tubing Keep ignitor cable dry 2 Reconnect ignitor cable 3 Tighten nut holding piezo ignitor to heater cabinet...

Page 13: ...any 3 Replace gas regulator 1 Problem will stop after a few hours of operation 1 Turn control knob to LOW position and let warm up for a minute 2 Operate burner until air is removed from line Have gas...

Page 14: ...line pressure 3 ODS pilot is partially clogged 1 Gas leak SeeWarning statement at top of page 2 Control valve defective 1 Foreign matter between control valve and burner 2 Gas leak SeeWarning statemen...

Page 15: ...rchaseaservicemanualfromthe address listed on the back page of this manual Send a check for 5 00 payable to DESA International ACCESSORY Purchase this heater accessory from your local dealer If they c...

Page 16: ...3113 NATURAL GAS HEATER VANGUARD 6000 BTU 12 2 12 1 ODS PILOT HEATER EXPLODED VIEW VN600B and CFN600B 10 12 11 1 2 3 4 5 6 7 9 8 10 13 14 15 16 17 18 21 23 24 27 22 26 25 19 20 28 29 ILLUSTRATED PARTS...

Page 17: ...271 03 Ignitor Cable 1 11 098249 01 Nut M5 2 12 100701 03 ODS Pilot Assembly 1 12 1 098514 01 Thermocouple 1 12 2 098594 01 Ignitor Electrode 1 13 099386 02 Burner 1 14 099387 05 Pilot Tubing 1 15 098...

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Page 20: ...MUST be installed by a qualified installer in accordance with all local codes and instructions furnished with the unit This warranty does not apply to parts that are not in original condition because...

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