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www.desatech.com

122136-01C

3

  WARNING:  This  product 

contains  and/or  generates 

chemicals  known  to  the  State 

of California to cause cancer or 

birth defects or other reproduc

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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 af

-

fected by carbon monoxide than others. These 

include pregnant women, people with heart or 
lung disease or anemia, those under the influ

-

ence of alcohol and those at high altitudes.

Natural and Propane/LP Gas:

 Natural and 

propane/LP  gases  are  odorless. An  odor-
making 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.

  WARNING:  Do  not  use  a 

blower  insert,  heat  exchanger 

insert or other accessory not ap

-

proved for use with this heater.

SAFETy

Continued

 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.

1.  This appliance is only for use with type of 

gas indicated on rating plate. This appli-
ance is not convertible for use with other 
gases.

Summary of Contents for VSB18N

Page 1: ...se any phone in your building Immediatelycallyourgassupplierfromaneighbor s phone Follow the gas supplier s instructions If you cannot reach your gas supplier call the fire department Installation and...

Page 2: ...id fuel burning masonry or UL127 factory built fireplace or in a listed ventless firebox enclo sure It is design certified for these installations in accordance with ANSI Z21 11 2 Exception Do not ins...

Page 3: ...ll 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 WARNING Do not use a blowe...

Page 4: ...ank of less than 100 lbs capacity is not recommended propane LP units only 4 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 ph...

Page 5: ...heaters Non thermostat models may also be operated as a vented decorative ANSI Z21 60 product by opening flue damper Safety Pilot This heater has a pilot with an Oxygen Deple tion Sensing ODS safety s...

Page 6: ...se volume is less than 50 cubic feet per AIR FOR COMBUSTION AND VENTILATION Continued 1 000 Btu per hour 4 8 m3 per kw of the ag gregate input rating of all appliances installed in that space and an u...

Page 7: ...asCode or applicable local codes VENTILATION AIR Ventilation Air From Inside Building This fresh air would come from an adjoining unconfined space When ventilating to an adjoining unconfined space you...

Page 8: ...heat resistant sealant Do not seal chimney flue damper Installation WARNING Never install the heater in a bedroom or bathroom unless installed as a vented appliance see page 11 in a recreational vehi...

Page 9: ...ceiling should not be less than 42 Figure 4 Minimum Clearance for Combustible to Wall Minimum 16 from Side Wall Example INSTALLATION Continued NOTICE Manualcontrolheaters maybeusedasaventedproduct Ifs...

Page 10: ...t required clearances between fireplace opening and mantel shelf If you do not meet the clearances listed below you will need a hood Determining Minimum Mantel Clearance If you meet minimum clearance...

Page 11: ...ree reasons for operating your heater in the vented mode 1 The fireplace does not meet the clearance to combustibles requirements for vent free operation 2 State or local codes do not permit vent free...

Page 12: ...lant resistant to propane LP gas not provided electric drill with 3 16 drill bit flathead screwdriver 1 Apply pipe joint sealant lightly to male threads of the fitting to be threaded into gas regulato...

Page 13: ...ill reduce incoming gas pressure You must reduce incoming gas pressure to between 11 and 14 of water If you do not reduce incom ing gas pressure heater regulator damage could occur Install external re...

Page 14: ...lator 2 Cap off open end of gas pipe where equip ment shutoff valve was connected 3 Pressurize supply piping system by either opening propane LP supply tank valve for propane LP gas or opening main ga...

Page 15: ...check to see if flames contact any log Ifso repositionlogaccordingto the log installation instructions in this manual Flames contact ing log will create soot It is very important to install these logs...

Page 16: ...causing property damage per sonal injury or loss of life A This appliance has a pilot which must be lighted by hand When lighting the pilot follow these instructions exactly B BEFORE LIGHTING smell a...

Page 17: ...0 seconds release control knob Note If pilot goes out repeat steps 3 through 7 If control knob does not pop out when released contact a qualified service person or gas supplier for repairs 8 Slightly...

Page 18: ...ols the heater will shut down If pilot flame pattern is incorrect as shown in Figure 22 turn heater off see To Turn Off Gas to Ap pliance page 17 see Troubleshooting page 20 Note The pilot flame on na...

Page 19: ...older located at the end of the burner tube again Remove any large particles of dust dirt lint or pet hair with a soft cloth or vacuum cleaner nozzle Figure 23 Injector Holder On Outlet Burner Tube Bu...

Page 20: ...on 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 pressed in and turned t...

Page 21: ...act local natural or propane LP gas company 1 Contact local natural or propane LP gas company 2 Clean burner see Cleaning and Maintenance page 18 or replace burner orifice 1 Clean burner see Cleaning...

Page 22: ...burner until air is removed from line Have gas line checked by local natural or propane LP gas company 3 Observe minimum installa tion clearances see page 8 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 18 1 Locate and c...

Page 24: ...uct If they can t supply original replacement part s call DESA Heating LLC at 1 866 672 6040 When calling DESA Heating LLC have ready your name your address model and serial numbers of your heater how...

Page 25: ...8 2195 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 2950 Fretz Valley Road...

Page 26: ...www desatech com 122136 01C 26 17 14 15 3 16 18 11 10 4 2 12 8 5 16 13 7 9 1 17 17 Parts Variable Manually Controlled HL18P HL18N VSB18P VSB18N HL24P HL24N VSB24P AND VSB24N...

Page 27: ...ith Ignitor LP 1 9 122141 01 Manual Valve Outlet Tube 1 10 122146 01 Natural Gas Plate 1 11 107186 05 Injector 1 107186 06 Injector 1 107186 07 Injector 1 107186 08 Injector 1 12 098354 01 Control Kno...

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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