MHSC LLCF36 Installation And Operating Instructions Manual Download Page 18

18

79D0004

Lo-Rider Designer Vent Free Fireboxes

use of optional ak-4 outsiDe air kit

The use of outside air for combustion is optional unless required by building codes. It is 
only necessary to supply outside combustion air to one side of the fireplace. Use the model 
AK4 combustion air kit.

moDel ak-4 Combustion air assemblY

1.  Remove the cover plate from the 4" outlet opening location on the left or 

right outside of the fireplace. 

2.  Place  the  insulation  ring  between  the AK-4  starting  collar  and  fire-

place wall. 

3.  Place the starting collar (4") into the hole on the side of fireplace. Fasten 

it in place with the four sheet metal screws provided. 

Figures 26 and 28

note:  the air starting collar extends through the fireplace outer wrap. When the 
air starting collar is securely attached, it will form a seal against the fireplace wall.

4.  Attach outside duct to starting collar with duct clamp or screws. 

Figure 27

Do not remove the 
cover if the outside air 
will not be connected.

W

arnin

G

figure 26 - 
attaching outside air starting Collar and insulation 
ring to left side of fireplace 

figure 27 - 
attaching outside Duct to starting Collar

Insulation Ring

AK-4 Starting 
Collar 

Sheet Meal 
Screws 

left Side of 
Fireplace 

Shorter End of Air 
Starting Collar 

Air Starting 
Collar 

Duct 

Screws 

left Side of 
Fireplace 

5.  Cut a 6-inch diameter opening for model AK-4 in the out-

side wall covering where the outside vent is to be located. 

Figure 28.

6.  Select and cut a piece of duct long enough to attach to 

the fireplace and stick out at least 3" beyond the face of 
the wall to which the AK-4 inlet air vent will be attached. 

Figure 27

figure 28 - 
Combustion air assembly for model no. ak-4

Nail Holes 

use fp-4 u duct for maximum efficiency 
and safety. Do not use a combustible 
duct. always use ul listed Class 0 or 
1 duct material.

W

arnin

G

6" Diameter Hole 

Duct Extending
3"min. 

AK-4 Inlet Air 
Vent 

Screw

Screws

Summary of Contents for LLCF36

Page 1: ...or loss of life Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance Do not...

Page 2: ...irebox IMPORTANT SAFETY INFORMATION 3 planning the installation 4 LOCATION of FIREBOX 5 CLEARANCES and HEIGHT REQUIREMENTS 7 FIREPLACE FRAMING 9 FIREPLACE INSTALLATION 11 GAS LINE INSTALLATION 14 CANO...

Page 3: ...ANSI Z223 l NFPA 54 9 This unit complies with Z21 91 Ventless Firebox Enclosures for gas fired unvented decorative room heaters 10 Do not install the firebox in a bathroom or bedroom 11 Avoid any draf...

Page 4: ...E YOU START Check your packing list to verify that all listed parts have been received ALSO INSPECT THE CONTENTS FOR SHIPPING DAMAGE AND IMMEDIATELY INFORM YOUR DEALER IF ANY DAMAGE IS FOUND You shoul...

Page 5: ...with fan kit Electrical connections should only be performed by an experienced licensed certified tradesman 3 Plumb gas line Gas connections should only be performed by an experienced licensed certif...

Page 6: ...terial must not extend past or interfere with the fireplace opening The classification combustible material includes but is not lim ited to plywood drywall and particle board Combustible materi als ma...

Page 7: ...ons for See Through Unit Model LSTF36 10 6 276 mm 22 6M 587 mm 2056QE 510 mm 2256O 572 mm 42 6QE 1072 mm 11 6 302 mm FP2302 top view see thru frame 2 x 4 2 x 2 filler to be installed after fireplace i...

Page 8: ...irebox enclosure is approved for bedrooms on the condition that the unvented room heater does not exceed 10 000 BTUs input and the room is properly sized for combustion air Location should be out of h...

Page 9: ...e top of the firebox opening bottom of hood Refer to Figure 3 3 Back Wall Clearance The appliance may be placed against a combustible back wall 4 Parallel Wall Clearance The clearance from the opening...

Page 10: ...particle board or other hard surfaces Be sure firebox rests on a solid continuous floor or platform with appropriate framing for support so that no cold air can enter room from under the firebox Figu...

Page 11: ...r 3 Level and plumb firebox by checking edges of firebox Shim if necessary 4 Attach nailing flanges to studs Figure 15 5 Install canopy Refer to Page 15 for canopy installa tion FIREPLACE Installation...

Page 12: ...5 for canopy installation Right LRCF36 and left LLCF36 corner installation 1 Attach nailing flanges in desired position Figure 16 2 Slide firebox into prepared framing or position firebox in its final...

Page 13: ...to the regulator fitted to the heater an external regulator must be used on all propane LPG heaters to reduce the supply tank pressure to 13 w c maximum Any copper tubing used to supply propane LPG fr...

Page 14: ...n other side for See Through Unit LSTF36 and Peninsula Unit LPF36 Install the 20 canopy on the shorter end with two 2 screws LRCF36 LLCF36 CANOPY installation WARNING The firebox canopy must not be mo...

Page 15: ...uld not be removed for cleaning When Cleaning Glass Allow glass to cool before cleaning Never use abrasive cleaning materials on glass Keep children and pets at safe distance away Never operate firepl...

Page 16: ...reen Rod Side 26D0138 4 26D0138 4 26D0138 2 5 Screen Rod End 43D0116 1 6 Brick Panel Common 79D0093 1 79D0093 1 79D0093 1 6 Brick Panel Corner 79D0094 1 6 Brick Panel Hearth 79D0095 1 79D0095 1 79D009...

Page 17: ...from attic space or garage space 5 locate air supply at least 3 away from any appliance vent terminal 6 Avoid extremely long runs and numerous turns in the duct leading from the fireplace to the combu...

Page 18: ...ch outside duct to starting collar with duct clamp or screws Figure 27 DO NOT remove the cover if the outside air will not be connected WARNING Figure 26 Attaching Outside Air Starting Collar and Insu...

Page 19: ...e surface of the wall Note If the wall covering is brick or stone use appropriate masonry fasteners If necessary splice the duct Use a model 403 duct connector to splice duct sections Installing model...

Page 20: ...ed Lifetime Warranty will also be void if the appliance is not operated and maintained according to the operating instructions supplied with the appliance and does not extend to 1 firebox burner assem...

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