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112882-01B

28

WIRING DIAGRAM

Receiver

Black

On
Off

Remote

Red

Red

White

Thermopile

Gas Control 

TPTH

TH

TPTH TP

SERVICE HINTS

When Gas Pressure Is Too Low

•  pilot will not stay lit
•  burners will have delayed ignition
•  heater will not produce specified heat
•  propane/LP gas supply may be low
You may feel your gas pressure is too low. If so, 

contact your local propane/LP gas supplier.

TECHNICAL SERVICE

You may have further questions about installation, 

operation, or troubleshooting. If so, contact DESA 

Heating Productsʼ Technical Service Department at 

1-866-672-6040. When calling, please have your 

model and serial numbers of your heater ready.
You can also visit DESA Heating Productsʼ techni-

cal service web site at 

www.desatech.com

.

REPLACEMENT PARTS

Note:

 Use only original replacement parts. This 

will  protect  your  warranty  coverage  for  parts 

replaced under warranty. 

PARTS UNDER WARRANTY

Contact  authorized  dealers  of  this  product.  If 

they canʼt supply original replacement part(s), 

call DESA Heating Productsʼ Technical Service 

Department at 1-866-672-6040.
When  calling  DESA  Heating  Products,  have 

ready
•  your name
•  your address
•  model and serial numbers of your heater 
•  how heater was malfunctioning
•  type of gas used (propane/LP or natural gas)
•  purchase date
Usually, we will ask you to return the part to the 

factory.

PARTS NOT UNDER WARRANTY

Contact authorized dealers of this product. If they 

canʼt  supply  original  replacement  part(s)  call 

DESA Heating Products at 1-866-672-6040 for 

referral information.
When  calling  DESA  Heating  Products,  have 

ready
•  model number of your heater 
•  the replacement part number

SPECIFICATIONS

 

 

VGL18PRA 

VGL18NRA

 

 

VGL24PRA 

VGL24NRA

 

 

VGL30PRA 

VGL30NRA

Btu (Variable) 

21,000/30,000 

21,000/30,000

Type Gas 

Propane/LP 

Natural Gas

Ignition 

Electronic 

Electronic

Manifold Pressure 

8.0" W.C. 

3.5" W.C.

Inlet Gas Pressure (in. of water)
  Maximum 

14" 

10.5"

  Minimum* 

11" 

5"

* For the purpose of input adjustment

Summary of Contents for VGL18NRA

Page 1: ...to light 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 your gas supplier call the fire department Installation and service must be performed by a quali fied installer service agency or the gas supplier UNVENTED VENT FREE GAS LOG HEATER OWNER S OPERAT...

Page 2: ...n which it is installed Provi sions for adequate combustion and ventilation air must be provided Refer to Air for Combustion and Ventilation section on page 6 of this manual This appliance may be installed in an aftermarket per manently located manufactured mobile home where not prohibited by local codes This appliance is only for use with the type of gas indi cated on the rating plate This applia...

Page 3: ...present even though no odor exists Make certain you read and understand all warn ings Keep this manual for reference It is your guide to safe and proper operation of this heater WARNING Any change to this heater or its controls can be dangerous WARNING Do not allow fans toblowdirectlyintothefireplace Avoidanydraftsthatalterburner flame patterns Ceiling fans can create drafts that alter burner flame p...

Page 4: ...s designed to be smokeless If logs ever appear to smoke turn off heater and call a qualified service person Note During initial operation slight smoking may 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 23 11 Before using furniture polish wax carpet cleaner or similar products turn heater...

Page 5: ...ATURES OPERATION This heater is clean burning It requires no outside venting There is no heat loss out a vent or up a chimney Heat is generated by realistic dancing yellow flames This heater is designed for vent free operation with flue damper closed It has been tested and approved to ANSI Z21 11 2 standard for unvented heaters This heater may also be operated as a vented decorative ANSI Z21 60 prod...

Page 6: ...s defined as construction where a walls and ceilings exposed to the out side atmosphere have a continuous water vapor retarder with a rating of one perm 6 x 10 11 kg per pa sec m2 or less with openings gasketed or sealed and b weather stripping has been added on openable windows and doors and c caulking or sealants are applied to areas such as joints around window and door frames between sole plate...

Page 7: ... options are as follows A Rework worksheet adding the space of an adjoin ingroom Iftheextraspaceprovidesanunconfined space remove door to adjoining room or add ventilation grills between rooms See Ventilation Air From Inside Building B Vent room directly to the outdoors See Ventila tion Air From Outdoors page 8 C Install a lower Btu Hr fireplace if lower Btu Hr size makes room unconfined 40 000 39 00...

Page 8: ...er Thiswillhelp circulatetheheatthroughoutthe house In the event of a power outage you can use this heater as your primary heat source NOTICE Stateorlocalcodesmay only allow operation of this appli ance in a vented configuration Check your state or local codes WARNING A qualified ser vice person must install heater Follow all local codes WARNING If optional hand heldremoteaccessoryhasbeen installed ...

Page 9: ...nsure safe installation into a masonry UL127 listed manufactured fireplace or listed vent free firebox MinimumClearancesforSideCombustible Material Side Wall and Ceiling A Clearances from the side of the fireplace cabinet to any combustible material and wall should follow diagram in Figure 4 Example The face of a mantel bookshelf etc is made of combustible material and protrudes 3 1 2 from the wall ...

Page 10: ...te marble tile etc must be at least 1 2 inch thick With sheet metal you must have noncombustiblematerialbehindit Noncombustible material must extend at least 8 inches up for all models If noncombustible material is less than 12 you must install the fireplace hood accessory 24 and 30 models only Even if noncombustible material is more than 12 you may need the hood accessory to deflect heat away from ...

Page 11: ...mbustible Material 8 Min 12 15 18 All minimum distances are in inches Log Set 24 Models 20 2 1 2 6 8 10 12 Distances to Underside of Mantel Hood GA6050 GA6052 GA6053 Top of Fireplace Opening Underside of Mantel Shelf Mantel Shelf Figure 7 Minimum Mantel Clearances When Using Hood Minimum Non Combustible Material Minimum Non Combustible Material Height Distances to Underside of Mantel Top of Firepl...

Page 12: ...lled you may use this heater as a vented product There are three reasons for operating your heater in the vented mode 1 The fireplace does not meet the clearance to combustibles requirements for vent free operation Minimum Chimney Permanent Flue Height ft Opening sq ins 6 to 15 39 sq inches 15 to 30 29 sq inches Area of Various Standard Round Flues Diameter Area inches sq inches 5 20 6 29 7 39 2 St...

Page 13: ... 16 masonry drill bit Note Install optional remote receiver and hand held remote kit see Accessories page 29 before installing gas log heater See installation instruc tions included with the kit INSTALLATION Continued 1 Apply pipe joint sealant lightly to male threads of the fitting to be threaded into gas regulator Connect approved flexible gas hose to gas regulator of heater see Figure 11 2 Locate...

Page 14: ...tor will reduce incoming gas pressure You must reduce incoming gas pressure to between 11 and 14 inches of water If you do not reduce incoming gas pres sure heater regulator damage could occur Install external regulator with the vent pointing down as shown in Figure 13 Pointing the vent down protects it from freezing rain or sleet CAUTION Use only new black iron or steel pipe Inter nally tinned co...

Page 15: ...off valve to gas supply Check reconnected fit tings for leaks Test Pressures Equal To or Less Than 1 2 PSIG 3 5 kPa 1 Close equipment shutoff valve see Figure 15 page 16 2 Pressurize supply piping system 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 WARNING Use pipe joint sealant that ...

Page 16: ...n fireplace continue with these instructions If unit has not been installed in fireplace go to step 6 and continue installation of remote accessory WARNING Turn off heater and let cool before handling any part of heater Make sure gas is turned of to unit 2 Carefully remove logs and set aside 3 Locate mounting screws on sides of heater base assembly and remove screws Set screws aside for reinstallati...

Page 17: ...or Remote Receiver and Hand Held Remote Control Two 9 volt alkaline batteries not included are required to operate this heater with the wireless hand held remote control set One battery must be installed in the receiver and one in the hand held remote control unit Note Only use alkaline batteries Installing 9 Volt Battery in Receiver 1 Locate back of receiver behind receiver bracket mounted on bas...

Page 18: ...re 26 The end of log 4 will rest on base sllightly behind log 2 5 Align holes in bottom of left top log 5 with pins on top of left bottom log 3 Place log on pins see Figure 27 page 19 INSTALLATION Continued 6 Align holes in bottom of right top log 6 with pins on top of right bottom log 2 Place log on pins see Figure 27 page 19 7 The effect of glowing embers can be created by placing rock wool on f...

Page 19: ...ich has been under water INSTALLATION Continued Figure 27 Installing Logs 5 and 6 Log 6 Log 5 Log 2 Log 3 LIGHTING INSTRUCTIONS WARNING If fireplace has glass doors never operate this heater with glass doors closed If you op erateheaterwithdoorsclosed heat buildup inside fireplace willcauseglasstoburst Make suretherearenoobstructions across opening of fireplace You must operate this heater withafirepl...

Page 20: ...T position Press in control knob for five 5 seconds see Figure 28 Note You may be running this heater for the first time after hooking up to gas sup ply If so the control knob may need to be pressed in for 30 seconds or more This will allow air to bleed from the gas system 6 With control knob pressed in press and release electronic ignitor button This will light pilot Hold in ignitor button until pi...

Page 21: ...ol button again until burner turns off see Figure 31 TO LOCK press both buttons on hand held remote control until light stops flashing Hand held remote control is now locked If the fire is on it will be turned off automatically In the locked state the light will not light up when any button is pressed TO UNLOCK press both buttons together on hand held remote control until the light stops flashing The...

Page 22: ...he POWER and LOCK buttons together to turn off the fireplace Note Do not leave the hand held remote in the AUTO mode close to the fireplace The radiant heat from the fireplace will turn off the fireplace Ideally place the hand held remote in the center of the room facing towards the fireplace Note Do not hold the hand held remote for a long time Body temperature will affect its operation in the AUTO mo...

Page 23: ...e the pilot assembly 1 Shut off the unit including the pilot Allow the unit to cool for at least thirty minutes 2 Inspect burner pilot and primary air inlet holes in rear burner for dust and dirt see Figure 35 3 Blow air through the holes in the burner 4 Remove any large particles of dust dirt lint or pet hair with a soft cloth or vacuum cleaner nozzle Figure 35 Injector Holder On Outlet Burner Tu...

Page 24: ...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 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 REMEDY 1 Reconnect ignitor cable 2 Free ignitor cable if pinched by any metal or tubing Keep ig...

Page 25: ...gged or damaged 2 Damaged burner 3 Gas regulator defective 1 Not enough air 2 Gas regulator defective 3 Residues from manufactur ing processes and logs cur REMEDY 1 Press in control knob fully 2 After ODS pilot lights keep control knob pressed in 30 seconds 3 Fully open equipment shutoff valve 4 A Contact local natural or propane LP gas company B Clean ODS pilot see Cleaning and Maintenance page 2...

Page 26: ...heated vapors from furniture polish wax carpet cleaners etc may turn into white powder residue 1 Battery is not installed Battery power is low REMEDY 1 Refer to Air for Combustion and Ventilation requirements page 5 1 Turn control knob to LO position and let warm up for a minute 2 Operate burner until air is removed from line Have gas line checked by local natural or propane LP gas company 3 Obser...

Page 27: ...ially clogged 1 Gas leak See Warning statement above 2 Control valve defective 1 Foreign matter between con trol valve and burner 2 Gas leak See Warning statement above OBSERVED PROBLEM Heater produces a clicking tick ing noise just after burner is lit or shut off Heater produces unwanted odors Heater shuts off in use ODS operates Gas odor even when control knob is in OFF position Gas odor during ...

Page 28: ...ced under warranty PARTS UNDER WARRANTY Contact authorized dealers of this product If they canʼt supply original replacement part s call DESA Heating Productsʼ Technical Service Department at 1 866 672 6040 When calling DESA Heating Products have ready your name your address model and serial numbers of your heater how heater was malfunctioning type of gas used propane LP or natural gas purchase da...

Page 29: ...r vented operation Can be used only with non thermostat accessories CLEANING KIT CCK Not Shown For all models Your vent free gas appliance re quires regular cleaning and maintenance to prevent performance problems This kit gives you the tools and instructions to make it easy to clean all critical areas of your appliance RECEIVER AND HAND HELD REMOTE CONTROL KIT GHRCB SERIES For all models Allows t...

Page 30: ...om 112882 01B 30 ILLUSTRATED PARTS BREAKDOWN MODELS VGL18PRA VGL18NRA VGL24PRA VGL24NRA VGL30PRA VGL30NRA 15 27 19 16 23 12 5 20 21 6 3 7 9 14 8 11 10 19 17 1 22 31 23 10 4 22 2 18 13 24 32 19 22 19 23 28 25 30 29 26 ...

Page 31: ...14 101004 12 101004 12 101004 12 Injector Front NG 1 101004 13 101004 13 101004 13 Injector Front Propane LP 1 15 112881 01 112881 01 112881 01 Pilot Bracket Propane LP 1 112881 02 112881 02 112881 02 Pilot Bracket NG 1 16 111727 01 111727 01 111727 01 Remote Valve Bracket 1 17 111435 01 111435 01 111435 01 Electronic Ignitor 1 18 098271 10 098271 10 098271 10 Ignitor Cable 1 19 108631 01 108631 0...

Page 32: ... use original factory replacement parts voids this warranty 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...

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