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LIGHTING 

INSTRUCTIONS

 WARNING

•  If  fireplace  has  glass  doors, 

never operate this heater with 

glass doors closed. If you op

-

erate heater with doors closed, 

heat  buildup  inside  fireplace 

will cause glass to burst. Make 

sure there are no obstructions 

across opening of fireplace.

•  You must operate this heater 

with  a  fireplace  screen  in 

place.  Make  sure  fireplace 

screen  is  closed  before  run

-

ning heater. 

NOTICE: During initial operation 

of new heater, burning logs will 

give off a paper-burning smell. 

Orange flame will also be pres

-

ent. Open damper or window to 

vent smell. This will only last a 

few hours. 

Note: 

Home owners generally prefer to operate 

their heater with the chimney damper closed. 
This will put all the heat into the room. How-

ever, there may be times you will desire the 

full flames of the highest heat setting but will 

find the heat output excessive. You can open 

the chimney damper (if you have one) fully or 

partially to release some of the heat.

  WARNING:  Damper  handle 

will  be  hot  if  heater  has  been 

running. 

  WARNING:  Burners  will 

come  on  automatically  within 
one  minute  when  the  control 

valve is in the ON position after 

the pilot is lit.

1.  STOP!  Read  the  safety  information  on 

page 17.

2.  Make sure equipment shutoff valve is fully 

open.

3.  Remove control cover log (see Figure 25).

4.  Set  remote  selector  switch  in  the AUTO 

position (see Figure 26). 

5.  Press in and turn control knob clockwise 

 to the OFF position (see Figure 26).

6.  Wait five (5) minutes to clear out any gas. 

Then smell for gas, including near the floor. 

If you smell gas, STOP! Follow “B” in the 
safety  information,  page  17.  If  you  don’t 
smell gas, go to the next step.

7.  Press  in  and  turn  control  knob  counter-

clockwise 

  to  the  PILOT  position. 

Press in control knob for five (5) seconds 

(see Figure 26). 

 

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.

O
F  

 

IL

   

O

N

   

   

      

    

Figure 25 - Control Knob (Shown in 

the OFF Position) and Ignitor Button 

Location

Control Knob

Ignitor Button

Control Cover Log

AUTO       MAN

Control Knob

Ignitor 
Button

Figure 26 - Remote Selector Switch, 

Control Knob and Ignitor Button

Remote Selector 
Switch

OPERATING HEATER

Continued 

Summary of Contents for LDL3924NR

Page 1: ...e 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 mu...

Page 2: ...s for installation only in a solid fuel burning mason ry or UL127 factory built fireplace orinalistedvent less firebox enclosure It is design certified for these installationsinaccordance with ANSI Z2...

Page 3: ...anual 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 use a blower insert heat exchanger in...

Page 4: ...air ventilation to run properly This heater has an Oxygen Depletion Sensing ODS safety shutoff system The ODS shuts down the heater if enough fresh air is not available See Air for Combustion and Ven...

Page 5: ...ystem This heater has a piezo ignitor This system re quires no matches batteries or other sources to light heater Air For Combustion and Ventilation WARNING This heater shall not be installed in a con...

Page 6: ...municating directly with the space in which the appliances are installed through openings not furnished with doors are considered a part of the unconfined space Adjoining rooms are communicating only...

Page 7: ...is fresh air would come from an adjoining un confined space When ventilating to an adjoining unconfined space you must provide two perma nent openings one within 12 of the ceiling and one within 12 of...

Page 8: ...ted on floor or wall of fireplace If not drafting may cause pilot outage or sooting Useaheat resistantsealant Do not seal chimney flue damper WARNING Never install the heater in a bedroom or bathroom...

Page 9: ...minimum clearances If you can provide greater clearances from floor ceiling and adjoin ing wall LOG SIZING REQUIREMENTS Log Size Minimum Firebox Height Depth Front Width Rear Width 24 17 14 28 21 30 1...

Page 10: ...must operate heater with chimney flue damper open Go to Installing Damper Clamp Accessory for Vented Operation page 11 Mantel Clearances In addition to meeting noncombustible material clearances you m...

Page 11: ...PERATION Note When used as a vented heater appliance must be installed only in a solid fuel burning fireplace with a working flue and constructed of noncombustible material You may use this heater as...

Page 12: ...ing not provided Connect approved flexible gas hose to gas control fitting in heater see Figure 11 IMPORTANT Hold gas fitting with wrench when connecting flexible gas hose 2 Locate two masonry screws...

Page 13: ...equipment shutoff valve from your dealer See Accessories page 31 For propane LP units the installer must supply an external regulator The external regulator will reduce incoming gas pressure You must...

Page 14: ...hook up NPT tap must be upstream from heater see Figure 16 IMPORTANT Install equipment shutoff valve in an accessible location The equipment shutoff valve is for turning on or shutting off the gas to...

Page 15: ...ocated on or near gas meter for natural gas or using compressed air 4 Check all joints of gas supply piping system Apply noncorrosive leak detection fluid to all joints Bubbles forming show a leak 5 C...

Page 16: ...approved withthisheatermayresultinprop erty damage or personal injury CAUTION After installa tion and periodically thereafter check to ensure that no flame comes in contact with any log With the heat...

Page 17: ...ighting the pilot follow these instructions exactly B BEFORE LIGHTING smell all around the appliance area for gas Be sure to smell next to the floor because some gas is heavier than air and will settl...

Page 18: ...ill come on automatically within one minute when the control valve is in the ON position after the pilot is lit 1 STOP Read the safety information on page 17 2 Make sure equipment shutoff valve is ful...

Page 19: ...nits will have a slight curve but flame should be blue and have no yellow or orange color Figure 27 Pilot Propane LP Ignitor Electrode Pilot Burner Figure 28 Pilot Natural Ignitor Electrode Pilot Burn...

Page 20: ...lly switch off Child Safety Lock Out To lock the remote control keys press the On Off key then immediately press the up key see Figure 29 The lock out function is active when the lock icon is lit Repe...

Page 21: ...ry from pilots shown Cleaning and Maintenance WARNING Turn off heater and let cool before cleaning CAUTION You must keep control areas burners and circulating air passageways of heater clean Inspect t...

Page 22: ...inlet hole You may blow through a drinking straw if compressed air is not available Burner Tube Pilot Assembly Pilot Air Inlet Hole Ports Slots Burner Tube Injector Holder May Be Brass or Aluminum De...

Page 23: ...pleted gas supply pro pane LP only 6 ODS pilot is clogged 7 Gas regulator setting is not correct REMEDY 1 Reconnect ignitor cable 2 Free ignitor cable if pinched by any metal or tubing Keep ignitor ca...

Page 24: ...d in 30 seconds 3 Wait one minute for safety interlock system to reset Repeat ignition operation 4 Fully open equipment shutoff valve 5 A Contact local natural or propane LP gas company B Clean ODS pi...

Page 25: ...es 9 through 11 4 Clean burners see Cleaning and Maintenance page 21 or replace burner orifice 1 Turn heater off when using furniture polish wax carpet cleaners or similar products 1 Refer to Air for...

Page 26: ...3 ODS pilot is partially clogged 1 Gas leak See Warning statement at top of page 2 Control valve defective 1 Foreign matter between con trol valve and burner 2 Gas leak See Warning statement at top o...

Page 27: ...ment 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 c...

Page 28: ...Parts Breakdown models LDL3924NR LDL3924PR LDL3930NR and LDL3930PR F F P O 11 28 2 3 25 18 5 19 10 7 7 6 4 20 24 16 14 26 9 23 23 15 16 8 23 23 23 17 21 1 12 13 22 27 1 27 2 27 3 27 4 27 5 27 6 27 7 2...

Page 29: ...rner Retainer Spring 1 20 103784 01 103784 01 103784 01 103784 01 Pilot Knob Extension 1 21 111442 02 111442 02 111442 02 111442 02 Digital Display Remote Control 1 22 111441 02 111441 02 111441 02 11...

Page 30: ...39 000 Type Gas Propane LP Natural Ignition Piezo Piezo Manifold Pressure 8 0 W C 3 5 W C Inlet Gas Pressure in of water Maximum 14 10 5 Minimum 11 5 For purpose of input adjustment Specifications Wi...

Page 31: ...ps deflect heat away from mantel or wall above fireplace Fits openings 28 to 48 wide DAMPER CLAMP GA6080 Not Shown For all models Permanently opens chimney flue damper for vented operation LAVA ROCK G...

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