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122493-01
Rev C
09/08

NOT A UPC

122493 01

DESA Heating, LLC

2701 Industrial Drive

Bowling Green, KY 42101
www.desatech.com

1-866-672-6040

WARRANTy

kEEP THIS WARRANTy

DESA HEATING, LLC LIMITED WARRANTIES

New Products

Standard Warranty:

 DESA Heating, LLC warrants this new product and any parts thereof to be free from 

defects in material and workmanship for a period of one (1) year from the date of first purchase from an 
authorized dealer provided the product has been installed, maintained and operated in accordance with 
DESA Heating, LLC’s warnings and instructions.
For products purchased for commercial, industrial or rental usage, this warranty is limited to 90 days from 
the date of first purchase.

Factory Reconditioned Products

Limited Warranty:

 DESA Heating, LLC warrants factory reconditioned products and any parts thereof 

to be free from defects in material and workmanship for 30 days from the date of first purchase from an 
authorized dealer provided the product has been installed, maintained and operated in accordance with 
DESA Heating, LLC’s warnings and instructions.

Terms Common to All Warranties

The following terms apply to all of the above warranties:
Always specify model number and serial number when contacting the manufacturer. To make a claim under 
this warranty the bill of sale or other proof of purchase must be presented.
This warranty is extended only to the original retail purchaser when purchased from an authorized dealer, 
and only when installed by a qualified installer in accordance with all local codes and instructions furnished 
with this product.
This warranty covers the cost of part(s) required to restore this product to proper operating condition and 
an allowance for labor when provided by a DESA Heating, LLC Authorized Service Center or a provider 
approved by DESA Heating, LLC. Warranty parts must be obtained through authorized dealers of this prod

-

uct and/or DESA Heating, LLC who will provide original factory replacement parts. Failure to use original 
factory replacement parts voids this warranty.
Travel, handling, transportation, diagnostic, material, labor and incidental costs associated with warranty 
repairs, unless expressly covered by this warranty, are not reimbursable under this warranty and are the 
responsibility of the owner.
Excluded from this warranty are products or parts that fail or become damaged due to misuse, accidents, 
improper installation, lack of proper maintenance, tampering, or alteration(s).
This is DESA Heating, LLC’s exclusive warranty, and to the full extent allowed by law; this express warranty 
excludes any and all other warranties, express or implied, written or verbal and limits the duration of any 
and all implied warranties, including warranties of merchantability and fitness for a particular purpose to one 
(1) year on new products and 30 days on factory reconditioned products from the date of first purchase. 
DESA Heating, LLC makes no other warranties regarding this product.
DESA Heating, LLC’s liability is limited to the purchase price of the product, and DESA Heating, LLC shall 
not be liable for any other damages whatsoever under any circumstances including indirect, incidental, or 

consequential damages.

Some states do not allow limitations on how long an implied warranty lasts or the exclusion or limitation of 
incidental or consequential damages, so the above limitation or exclusion may not apply to you. 
This warranty gives you specific legal rights, and you may also have other rights which vary from state to state. 
For information about this warranty contact:

Model (

located on product or identification tag

) _____________________________

Serial No. (

located on product or identification tag

) __________________________

Date Purchased  __________________________

Keep receipt for warranty verification.

Summary of Contents for HDL18N

Page 1: ...cal switch do not use any phone in your building Immediatelycallyourgassupplierfromaneighbor s phone Follow the gas supplier s instructions If you cannot reach your gas supplier call the fire departme...

Page 2: ...vented gas fired heat er It uses air oxygen from the room in which it is installed Provisions for adequate combustion and ventilation air must be provided Refer to Air for Combustion and Ven tilation...

Page 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 fireplace WARNING Any change to thi...

Page 4: ...l operation slight smok ing could occur due to log curing and heater burning manufacturing residues 10 To prevent the creation of soot follow the instructions in Cleaning and Maintenance page 19 11 Be...

Page 5: ...s sembly The data plates contain important warranty and safety information 1 Remove logs and heater base assembly from carton Note Do not pick up heater base assem bly by burners This could damage hea...

Page 6: ...ight construction you must provide additional fresh air Unusually tight construction is defined as construction where a walls and ceilings exposed to the out side atmosphere have a continuous water va...

Page 7: ...an the maximum Btu Hr the space can support You must provide additional fresh air Your options are as follows A Rework worksheet adding the space of an adjoining room If the extra space provides an un...

Page 8: ...ation for required size of ventilation grills or ducts IMPORTANT Do not provide openings for inlet or outlet air into attic if attic has a thermo stat controlled power vent Heated air entering the att...

Page 9: ...RANCE TO COMBUSTIBLE MATERIALS Side Wall 16 Ceiling 42 Front 36 Carefully follow the instructions below This will ensure safe installation into a masonry UL127 listed manufactured fireplace or certi f...

Page 10: ...is not required see Figure 6 Figure 6 Minimum Mantel Clearances Without Using Hood Determining Minimum Mantel Clearance when Using a Hood If minimum clearances in Figure 6 are not met you must have a...

Page 11: ...to combustibles see Figure 8 B If combustible materials are less than 14 to the fireplace you must install appliance at least 5 above the combustible flooring see Figure 9 INSTALLING DAMPER CLAMP ACC...

Page 12: ...eater control panel This will in sure adequate air flow and guard against sooting and controls be ingdamaged Raisefireplacefloor with noncombustible material Make sure material is secure CAUTION Do no...

Page 13: ...lregu lator not supplied Install the external regulator between the heater and propane LP supply WARNING For natural gas units never connect heater to private non utility gas wells This gas is commonl...

Page 14: ...ible Gas Hose if allowed by local codes Natural From Gas Meter 5 W C to 10 5 W C Pressure Propane LP From External Regulator 11 W C to 14 W C Pressure We recommend that you install sediment trap in su...

Page 15: ...m by either opening propane LP supply tank valve for propane LP gas or opening main gas valve located on or near gas meter for natural gas or using compressed air 3 Check all joints from gas meter nat...

Page 16: ...will fit over burner see Figure 18 Holes in bottom of log must seat over pins on base as shown in Figure 18 Make sure back of log as Figure 18 Installing Main Log 1 Back Tab Burner Front Tab Notch for...

Page 17: ...to replace any part of the control system and any gas control which has been under water LIGHTING INSTRUCTIONS WARNING If fireplace has glass doors never operate this heater with glass doors closed If...

Page 18: ...tern Pilot Burner Thermocouple Pilot Burner Thermocouple Inspecting Burners Check pilot flame pattern and burner flame patterns often PILOT FLAME PATTERN Figure 22 shows a correct pilot flame pattern...

Page 19: ...to excessive lint from carpeting bedding material pet hair etc WARNING Failure to keep the primary air opening s of theburner s cleanmayresultin sooting and property damage Once every year a qualifie...

Page 20: ...ile in PILOT position 4 Air in gas lines when in stalled 5 Depleted gas supply pro pane LP only 6 ODS pilot is clogged 7 Gas regulator setting is not correct OBSERVED PROBLEM When control knob is pres...

Page 21: ...or propane LP gas company 1 Contact local natural or propane LP gas company 2 Clean burner see Cleaning and Maintenance page 19 or replace burner orifice 1 Clean burner see Cleaning and Maintenance pa...

Page 22: ...burner until air is removed from line Have gas line checked by local natural or propane LP gas company 3 Observe minimum instal lation clearances see page 9 4 Clean burner see Cleaning and Maintenance...

Page 23: ...see Checking Gas Con nections page 14 1 Open window and or door for ventilation 2 Contact local natural or propane LP gas company 3 Clean ODS pilot see Cleaning and Maintenance page 19 1 Locate and c...

Page 24: ...www desatech com 122493 01C 24 Parts MODELS hdl18 n p vdb18 n p 1 18 19 2 16 4 15 15 8 9 11 21 5 12 3 10 17b 17c 17a 14 7 6...

Page 25: ...Burner Inlet Tube 1 9 108188 02 Screw Type U Drive 2 x 0 75 1 10 108134 01 NG Plate 1 11 099056 26 Injector 1 099056 19 Injector 1 12 099387 08 Pilot Tube 1 13 098249 01 ODS Nut 2 14 M11084 38 Screw H...

Page 26: ...eating LLC have ready model number of your heater the replacement part number Technical Service You may have further questions about instal lation operation or troubleshooting If so con tact DESA Heat...

Page 27: ...n Street Kansas City MO 64108 KS MO AR 816 842 3911 www washerparts com East Coast Energy Products 10 East Route 36 W Long Branch NJ 07764 732 870 8809 1 800 755 8809 www njplaza com ecep 21st Century...

Page 28: ...proved by DESA Heating LLC Warranty parts must be obtained through authorized dealers of this prod uct and or DESA Heating LLC who will provide original factory replacement parts Failure to use origin...

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