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114924-01
Rev. D
09/0

2701 Industrial Drive
P.O. Box 90004
Bowling Green, KY 42102-9004
www.desatech.com

Model

Serial No.

Date Purchased

WARRANTy INFORMATION

kEEP THIS WARRANTy

Always specify model and serial numbers when communicating with the factory.
We reserve the right to amend these specifications at any time without notice. The only warranty applicable is our 

standard written warranty. We make no other warranty, expressed or implied.

LIMITED WARRANTy 

VENTED GAS LOG APPLIANCES

DESA warrants this product to be free from defects in materials and components for four (4) years from the date 

of first purchase, provided that the product has been properly installed, operated and maintained in accordance 

with all applicable instructions. To make a claim under this warranty the Bill of Sale or cancelled check must be 

presented.
This warranty is extended only to the original retail purchaser. This warranty covers the cost of part(s) required to 

restore this heater to proper operating condition and an allowance for labor when provided by a DESA Authorized 

Service Center. Warranty part(s) MUST be obtained through authorized dealers of this product and/or DESA who 

will provide original factory replacement parts. Failure to use original factory replacement parts voids this war

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ranty. The heater 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 of normal wear and tear or parts that 

fail or become damaged as a result of misuse, accidents, lack of proper maintenance or defects caused by improper 

installation. Travel, diagnostic cost, labor, transportation and any and all such other costs related to repairing a 

defective heater will be the responsibility of the owner.
TO THE FULL EXTENT ALLOWED BY THE LAW OF THE JURISDICTION THAT GOVERNS THE SALE 

OF THE PRODUCT; THIS EXPRESS WARRANTY EXCLUDES ANY AND ALL OTHER EXPRESSED 

WARRANTIES AND LIMITS THE DURATION OF ANY AND ALL IMPLIED WARRANTIES, INCLUDING 

WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE TO FOUR (4) 

YEARS ON ALL COMPONENTS FROM THE DATE OF FIRST PURCHASE; AND DESA’S LIABILITY IS 

HEREBY LIMITED TO THE PURCHASE PRICE OF THE PRODUCT AND DESA SHALL NOT BE LIABLE 

FOR ANY OTHER DAMAGES WHATSOEVER INCLUDING INDIRECT, INCIDENTAL OR CONSE

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QUENTIAL DAMAGES.
Some states do not allow a limitation on how long an implied warranty lasts or an exclusion or limitation of 

incidental or consequential damages, so the above limitation on implied warranties or exclusion or limitation on 

damages may not apply to you.
This warranty gives you specific legal rights and you may also have other rights that vary from state to state.
For information about this warranty write:

114924 01

NOT A UPC

Содержание MVO18VNA

Страница 1: ...t any appliance Do not touch any electrical switch do not use any phone in your building Immediatelycallyourgassupplierfromaneighbor s phone Follow the gas supplier s instructions If you cannot reach...

Страница 2: ...Z233 1 NFPA 54 Section 5 3 Air for Combustion and Ventilation This appliance may be installed in an aftermarket per manently located manufactured mobile home where not prohibited by local codes This a...

Страница 3: ...nt even though no odor exists Make certain you read and understand all warnings Keep this manual for reference It is your guide to safe and proper operation of this log set WARNING Do not place log sc...

Страница 4: ...eans screens shall have openings for introduction of combustion air 8 If fireplace has glass doors never operate with glass doors closed If you operate heater with doors closed heat buildup inside fir...

Страница 5: ...used with vented decorative appliances Installation WARNING A qualified ser vice person must install heater Follow all local codes WARNING Before installing in a solid fuel burning fireplace the chim...

Страница 6: ...le material and connected to a working flue The fireplace chimney must have a permanent vent opening to outside with minimum openings shown in Figure 3 Figure 2 Technical Information Chart Figure 3 Si...

Страница 7: ...ollow all local codes WARNING This appliance requiresa3 8 NPT NationalPipe Thread inlet connection to the control valve CAUTION Never connect propane LP unit directly to the propane LP supply This uni...

Страница 8: ...installed wrong heater may not run properly CAUTION Avoid damage to gas control Hold gas control with wrench when connecting it to gas piping and or fittings Figure 7 Gas Connection Purchasetheoptiona...

Страница 9: ...Propane LP Gas Only Figure 10 Checking Gas Joints Natural Gas Only Equipment Shutoff Valve Gas Meter Control Valve Location Pressure Testing Appliance Gas Connections 1 Open equipment shutoff valve s...

Страница 10: ...tch is in OFF position 3 Be sure gas line shut off valve is OPEN 4 Press in and turn control knob clockwise to the OFFposition see Figure 12 Note Knob cannot be turned from PILOT to OFFunless knob is...

Страница 11: ...Setting the Selector Switch Control Knob and Flame Adjustment Knob for Remote Operation Selector Switch in REMOTE Position REMOTE OFF ON Piezo Ignitor Control Knob Flame Adjustment Knob Figure 14 On...

Страница 12: ...Pattern Yellow Flames with Orange Streaks Cleaning and Maintenance WARNING Turn off the ap pliance and allow to cool before cleaning CAUTION You must keep control areas burners and cir culating air pa...

Страница 13: ...gas lines when in stalled 5 Depleted gas supply pro pane LP only 6 ODS pilot is clogged 7 External gas regulator setting is incorrect When ignitor button is pressed there is no spark at ODS pilot When...

Страница 14: ...n burner s see Cleaning and Maintenance page 12 1 Clean burner see Cleaning and Maintenance page 12 or replace burner orifice 2 Replace damaged burner 3 Replace gas regulator 4 Correct external gas re...

Страница 15: ...oved from line Have gas line checked by local natural or propane LP gas company 3 Observe minimum installation clearances see page 6 4 Clean burners see Cleaning and Maintenance page 12 or replace bur...

Страница 16: ...ding while heating or contracting while cooling 1 Appliance burning vapors from paint hair spray glues cleaners chemicals new carpet etc See IMPORTANT statement above 2 Low fuel supply propane LP only...

Страница 17: ...will not stay lit burners will have delayed ignition Propane LPunits only propane LPgas supply may be low You may feel your gas pressure is too low If so contact your local propane LP or natural gas s...

Страница 18: ...www desatech com 114924 01D 18 Illustrated Parts Breakdown Models MVO24VNA MVO24VPA MVO18VNA and MVO18VPA 1 2 3 4 5 6 17 16 15 7 8 9 10 11 12 14 13...

Страница 19: ...01 Pilot Assembly 1 11 111828 01 Brass Fitting 1 111818 01 Brass Fitting 1 12 114930 01 Pilot Bracket 1 114930 02 Pilot Bracket 13 26205 Gas Orifice 1 23109 Gas Orifice 1 14 114936 02 Venturi 1 11493...

Страница 20: ...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 of norm...

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