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www.desatech.com

122493-01C

3

  WARNING:  This  product 

contains  and/or  generates 

chemicals  known  to  the  State 

of California to cause cancer or 

birth defects or other reproduc-

tive harm.

IMPORTANT: Read this owner’s 

manual carefully and completely 

before  trying  to  assemble,  op-

erate  or  service  this  fireplace. 

Improper  use  of  this  fireplace 

can  cause  serious  injury  or 

death  from  burns,  fire,  explo-

sion, electrical shock and carbon 

monoxide poisoning.

 DANGER: Carbon monoxide 

poisoning may lead to death!

Carbon  Monoxide  Poisoning:

  Early  signs 

of carbon monoxide poisoning resemble the 

flu, with headaches, dizziness or nausea. If 
you have these signs, the fireplace may not 
be working properly. 

Get fresh air at once!

 

Have  fireplace  serviced.  Some  people  are 

more affected by carbon monoxide than oth-

ers. These include pregnant women, people 
with heart or lung disease or anemia, those 
under the influence of alcohol and those at 

high altitudes.

Natural and Propane/LP Gas:

 Natural and 

propane/LP gases are odorless. An odor-mak-
ing agent is added to these gases. The odor 

helps  you  detect  a  gas  leak.  However,  the 

odor added to the gas can fade. Gas may be 
present 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 

this  heater  or  its  controls  can 

be dangerous.

SAFETy

Continued

  WARNING:  Do  not  use  a 

blower  insert,  heat  exchanger 

insert or other accessory not ap-

proved for use with this heater.

 WARNING: Do not allow fans 

to blow directly into the fireplace. 

Avoid any drafts that alter burner 

flame patterns. Ceiling fans can 

create  drafts  that  alter  burner 

flame  patterns.  Altered  burner 

patterns can cause sooting.

Due  to  high  temperatures,  the 

appliance should be located out 

of traffic and away from furniture 

and draperies.

Do not place clothing or other 

flammable  material  on  or  near 

the appliance. Never place any 

objects on the heater.

Heater base assembly becomes 

very  hot  when  running  heater. 

Keep children and adults away 

from hot surface to avoid burns 

or  clothing  ignition.  Heater 

will remain hot for a time after 

shutdown. Allow surface to cool 

before touching.

Carefully supervise young chil-

dren when they are in the room 

with heater.

You  must  operate  this  heater 

with a fireplace screen in place. 

Make  sure  fireplace  screen  is 

closed before running heater.

Keep  the  appliance  area  clear 

and free from combustible ma-

terials, gasoline and other flam-

mable vapors and liquids.

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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