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Desa Tech 103426-01 Owner's Operation And Installation Manual

Desa unvented (vent-free) natural gas log heater owner's manual.

 
UNVENTED (VENT-FREE)
NATURAL GAS LOG HEATER
Manually Control Models Also Designed Certified as Vented Decorative Appliance
This appliance may be installed in an aftermarket* manufactured (mobile) home,
* Aftermarket: Completion of sale, not for purpose of resale, from the manufacturer
OWNER'S OPERATION AND INSTALLATION MANUAL
SPLIT OAK DESIGN
18", 24", and 30"
("B" Models) Variable Manually-Controlled, and
("A" Models) Thermostatically-Controlled
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 build-
ing.
• Immediately call your gas supplier
from a neighbor's phone. Follow the
gas supplier's instructions.
• If you cannot reach your gas sup-
plier, call the fire department.
— Installation and service must be per-
formed by a qualified installer, service
agency, or the gas supplier.
DESA INTERNATIONAL
where not prohibited by state or local codes.
LO
PILOT
OFF
HI
Save this manual for future reference.
AMERICAN OAK DESIGN
®
18", 24", and 30"
Variable Manually-Controlled
WARNING: Improper installation, ad-
justment, alteration, service, or mainte-
nance can cause injury or property dam-
age. Refer to this manual for correct
installation and operational procedures.
For assistance or additional informa-
tion consult a qualified installer, ser-
vice agency, or the gas supplier.
WARNING: This gas log set is for instal-
lation in a masonry solid fuel burning
fireplace, a U.L. listed manufactured solid
fuel burning fireplace or an AGA design
certified vent-free firebox or stove (in-
cluding LogMate™ Series) listed for use
with these gas log models.
WARNING: This is an unvented gas-
fired heater. It uses air (oxygen) from
the room in which it is installed. Provi-
sions for adequate combustion and ven-
tilation air must be provided. Refer to
"Air for Combustion and Ventilation"
section in this manual.
LO
PILOT
OFF
HI

Summary of Contents

  • Page 1

    DESA INTERNATIONAL UNVENTED (VENT-FREE) NATURAL GAS LOG HEATER Manually Control Models Also Designed Certified as Vented Decorative Appliance 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 OWNER’S OPERATION AND INSTALLATION MANUAL...

  • Page 2

    UNVENTED NATURAL GAS LOG HEATER SAFETY INFORMATION WARNINGS IMPORTANT: Read this owner’s manual carefully and completely before trying to assemble, oper- ate, or service this heater. Im- proper use of this heater can cause serious injury or death from burns, fire, explosion, electrical shock, and carbon monoxide poisoning.

  • Page 3

    SPLIT OAK AND AMERICAN OAK DESIGN PRODUCT IDENTIFICATION Top Middle Log Left Front Branch Piezo Ignitor Front Burner Right Front Branch Control Knob Figure 1 - Split Oak Design Model Front Log Left Front Branch Piezo Ignitor Front Burner Base Assembly Control Knob Figure 2 - Standard Oak Design Model 103426...

  • Page 4

    UNVENTED NATURAL GAS LOG HEATER AIR FOR COMBUSTION AND VENTILATION WARNING: This heater shall not be installed in a confined 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.

  • Page 5

    SPLIT OAK AND AMERICAN OAK DESIGN AIR FOR COMBUSTION AND VENTILATION Continued Compare the maximum Btu/Hr the space can support with the actual amount of Btu/Hr used. __________ Btu/Hr (maximum the space can support) __________ Btu/Hr (actual amount of Btu/Hr used) Example: 51,200 Btu/Hr (maximum the space can support) 73,000 Btu/Hr (actual...

  • Page 6

    UNVENTED NATURAL GAS LOG HEATER INSTALLATION NOTICE: A qualified service per- son must install heater. Follow all local codes. NOTICE: State or local codes may only allow operation of this appli- ance in a vented configuration. Check your state or local codes. WARNING: Before installing in a solid fuel burning fireplace, the chimney flue and firebox must...

  • Page 7

    SPLIT OAK AND AMERICAN OAK DESIGN INSTALLATION Continued Non-Combustible Requirements for Material Distance (A) Safe Installation 12" or more Non combustible material OK. Between 8" and 12" 24" or 30" Models: Install fireplace hood accessory (GA6050 or GA6052, see Accessories, page 23). 18"...

  • Page 8

    UNVENTED NATURAL GAS LOG HEATER INSTALLATION Continued Determining Minimum Mantel Clearance When Using a Hood If above minimum clearances are not met, you must have a hood. Follow minimum clearances shown in Figure 8 when using hood. 12" 10" 8" 6"...

  • Page 9

    SPLIT OAK AND AMERICAN OAK DESIGN INSTALLATION Continued INSTALLING HEATER BASE ASSEMBLY WARNING: You must secure this heater to fireplace floor. If not, heater will move when you adjust controls. Moving heater may cause a gas leak. WARNING: If installing in a sunken fireplace, special care is needed.

  • Page 10

    UNVENTED NATURAL GAS LOG HEATER INSTALLATION Continued CONNECTING TO GAS SUPPLY NOTICE: A qualified service per- son must connect heater to gas supply. Follow all local codes. Installation Items Needed Before installing heater, make sure you have the items listed below. •...

  • Page 11

    SPLIT OAK AND AMERICAN OAK DESIGN INSTALLATION Continued CHECKING GAS CONNECTIONS WARNING: Test all gas pip- ing and connections for leaks after installing or servicing. Cor- rect all leaks at once. WARNING: Never use an open flame to check for a leak. Apply a mixture of liquid soap and water to all joints.

  • Page 12

    UNVENTED NATURAL GAS LOG HEATER INSTALLATION Continued INSTALLING LOGS (American Oak Design Models) WARNING: Failure to posi- tion the parts in accordance with these diagrams or failure to use only parts specifically approved with this heater may result in property damage or personal in- jury.

  • Page 13

    SPLIT OAK AND AMERICAN OAK DESIGN INSTALLATION Continued INSTALLING LOGS (Split Oak Design Models) WARNING: Failure to posi- tion the parts in accordance with these diagrams or failure to use only parts specifically approved with this heater may result in property damage or personal in- jury.

  • Page 14

    UNVENTED NATURAL GAS LOG HEATER OPERATING HEATER Thermostat-Controlled Models FOR YOUR SAFETY READ BEFORE LIGHTING WARNING: If you do not fol- low these instructions exactly, a fire or explosion may result caus- ing property damage, personal injury or loss of life. A.

  • Page 15

    SPLIT OAK AND AMERICAN OAK DESIGN OPERATING HEATER Thermostat- Controlled Models Continued CAUTION: Do not try to ad- just heating levels by using the manual shutoff valve. TO TURN OFF GAS TO APPLIANCE Shutting Off Heater 1. Turn control knob clockwise Clockwise to the OFF position.

  • Page 16

    UNVENTED NATURAL GAS LOG HEATER OPERATING HEATER Manually-Controlled Models Continued 4. Wait five (5) minutes to clear out any gas. Then smell for gas, including near the floor. If you smell gas, STOP! Follow “B” in the safety in- formation above. If you don’t smell gas, go to the next step.

  • Page 17

    SPLIT OAK AND AMERICAN OAK DESIGN INSPECTING BURNERS Continued FRONT BURNER FLAME PATTERN Figure 32 shows correct front burner flame pattern. Figure 33 shows incorrect front burner flame pattern. The incorrect burner flame pattern shows yellow tipping at top of blue flame.

  • Page 18

    UNVENTED NATURAL GAS LOG HEATER TROUBLESHOOTING Note: All troubleshooting items are listed in order of operation. OBSERVED PROBLEM When ignitor button is pressed, there is no spark at ODS/pilot When ignitor button is pressed, there is spark at ODS/pilot but no ignition ODS/pilot lights but flame goes out when control knob is released WARNING: Turn off and un-...

  • Page 19

    SPLIT OAK AND AMERICAN OAK DESIGN TROUBLESHOOTING Continued OBSERVED PROBLEM One or both burners do not light after ODS/ pilot is lit Delayed ignition of one or both burners Burner backfiring during combustion Yellow flame in front burner during burner combustion Slight smoke or odor during initial opera- tion...

  • Page 20

    UNVENTED NATURAL GAS LOG HEATER TROUBLESHOOTING Continued WARNING: If you smell gas • Shut off gas supply. • Do not try to light any appliance. • Do not touch any electrical switch; do not use any phone in your building. •...

  • Page 21

    SPLIT OAK AND AMERICAN OAK DESIGN OPTIONAL POSITIONING OF THERMOSTAT SENSING BULB For Masonry and Factory- built Metal Fireplace If your log set cycles to pilot, but the room temperature drops to a lower than ideal comfort level before the log set comes back on, you may want to reposition the thermostat sensing bulb.

  • Page 22

    30 lbs. 34 lbs. TECHNICAL SERVICE You may have further questions about in- stallation, operation, or troubleshooting. If so, contact DESA International’s Techni- cal Service Department at 1-800-DESA LOG (1-800-337-2564). REPLACEMENT PARTS Note: Use only original replacement parts. This will protect your warranty coverage for parts replaced under warranty.

  • Page 23

    ACCESSORIES Purchase these heater accessories from your local dealer. If they can not supply these accessories, call DESA International’s Parts Department at 1-800-972-7879 for referral information. You can also write to the ad- dress listed on the back page of this manual.

  • Page 24

    UNVENTED NATURAL GAS LOG HEATER ILLUSTRATED PARTS BREAKDOWN Variable Manually- Controlled Models VS18NVB CFS18NVB VS24NVB CFS24NVB VS30NVB CFS30NVB 27-1 27-2 103426...

  • Page 25

    SPLIT OAK AND AMERICAN OAK DESIGN PARTS LIST Variable Manually-Controlled Split Oak Models PART NUMBER FOR VS18NVB/CFS18NVB VS24NVB/CFS24NVB VS30NVB/CFS30NVB DESCRIPTION — 103580-04 103576-01 103577-02 103578-02 103579-02 101006-01 101330-04 101008-01 101007-01 100999-04 101331-10 098271-07 102445-01 098867-09 M11084-38 101011-01 098354-01 098462-03 098325-01 098508-01 102568-01 101005-01...

  • Page 26

    UNVENTED NATURAL GAS LOG HEATER ILLUSTRATED PARTS BREAKDOWN Thermostat- Controlled Models VS18NTA VS24NTA VS30NTA 10-2 7-1 7-2 10-1 103426...

  • Page 27

    SPLIT OAK AND AMERICAN OAK DESIGN PARTS LIST Thermostat-Controlled Split Oak Models VS18NTA — 103580-04 103576-01 103577-02 103578-02 103579-02 M11084-26 103042-01 098594-01 098593-01 098249-01 101006-01 101330-01 10-1 101008-01 10-2 101007-01 100999-04 101331-05 098271-07 097159-02 098867-09 M11084-38 102810-01 098354-01 098462-03 100000-01 101053-01 099211-01 098544-01...

  • Page 28

    UNVENTED NATURAL GAS LOG HEATER ILLUSTRATED PARTS BREAKDOWN Variable Manually-Controlled Models VL18NV VL24NV VL30NV 27-1 27-2 103426...

  • Page 29

    SPLIT OAK AND AMERICAN OAK DESIGN PARTS LIST Variable Manually-Controlled American Oak Models VL18NV 101337-01 101336-01 101334-01 101333-02 —— —— 101006-01 101330-04 101008-01 101007-01 100999-04 101331-10 098271-07 102445-01 098867-09 M11084-38 101011-01 098354-01 098462-03 098325-01 098508-01 102568-01 101005-01 M11084-26 101004-11 101004-11 102258-01 099387-08 098276-01...

  • Page 30

    UNVENTED NATURAL GAS LOG HEATER NOTES _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ 103426...

  • Page 31

    SPLIT OAK AND AMERICAN OAK DESIGN 18", 24" AND 30" MODELS NOTES _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________ _______________________________________________________________________________________________...

  • Page 32

    VENT-FREE NATURAL GAS LOG HEATERS DESA International warrants this product to be free from defects in materials and components for three (3) years and five (5) years on stainless steel burners from the date of first purchase, provided that the product has been properly installed, operated and maintained in accordance with all applicable instructions.

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