Lennox Hearth Stove EPIC CK LP User Manual

HEARTH PRODUCTS  
KITS AND ACCESSORIES  
775,235M  
rev. C, 03/2008  
EpIC™ GaS CONvErSION INSTruCTIONS Lp TO NG  
CaT. NO. 75355, MODEL EpIC-CK-Lp TO NG  
INSTaLLaTION INSTruCTIONS FOr CONvErTING FrOM prOpaNE GaS (Lp) TO  
NaTuraL GaS (NG). FOr uSE wITh ThE EpIC DIrECT vENT GaS STOvE  
KIT CONTENTS (See Figure 1):  
1 ea. Nova SIT NG Regulator Kit (A)  
avErTISSEMENT  
1 ea. #31 NG main burner orifice (40,000 BTU’s) (B)  
1 ea. #36 NG main burner orifice (33,000 BTU’s) (C)  
Cet équipement de conversion sera installé par une  
agencequalifiéedeserviceconformémentauxinstruc-  
tionsdufabricantettoutesexigencesetcodesapplica-  
blesdel'autorisésavoirlajuridiction. Sil'information  
danscetteinstructionn'estpassuivieexactement,un  
feu,explosionouproductiondeprotoxydedecarbone  
peutrésulterledommagescauserdepropriété,perte  
oublessurepersonnelledevie. L'agencequalifiéede  
service est esponsable de l'installation propre de cet  
équipment. L'installationn'estpaspropreetcompléte  
jusqu'à l'opération de l'appareil converti est chéque  
suivant les critères établis dans les instructions de  
propriétaire provisionnées avec l'équipement.  
1 ea. Sticker “EPIC33” if NG orifice was #36  
1 ea. Instruction Sheet  
TOOLS NEEDED (See Figure 2):  
5/32” Allen Wrench Or T-Handle Wrench  
1/8” Allen Wrench Or T-Handle Wrench  
Torx Bit (T20 with 1/4” shank and center hole)  
1/2” Open End Wrench  
7/16” Open End Wrench  
Figure 1 - Kit Contents  
B
C
A
IMpOrTaNT CaNaDa  
Theconversionshallbecarriedoutinaccordancewith  
therequirementsoftheprovincialauthoritieshaving  
jurisdictionandinaccordancewiththerequirements  
of the CaN/CSa B149.1 Installation code.  
IMpOrTaNT LE CaNaDa SEuLEMENT  
Figure 2 - Tools Needed  
La conversion devra être effectuée conformément  
aux recommandations des autorités provinciales  
ayant juridiction et conformément aux exigences  
du code d'installation CaN/CSa B149.1 .  
warNING  
This conversion kit shall be installed by a qualified  
serviceagencyinaccordancewiththemanufacturer's  
instructionsandallapplicablecodesandrequirements  
oftheauthorityhavingjurisdiction. Iftheinformation  
in these instructions is not followed exactly, a re,  
explosionorproductionofcarbonmonoxidemayresult  
causing property damage, personal injury or loss of  
life. The qualified service agency performing this  
installationisresponsiblefortheproperinstallationof  
thiskitandassumesresponsibilityforthisconversion.  
The installation is not proper and complete until the  
operation of the converted appliance is checked as  
specified in the manufacturers instructions supplied  
with the kit.  
IMpOrTaNT  
The burner orifices provided in this kit are only for  
use at elevations of 0 to 2,000 feet (610 M) in the  
uSa and 0 to 4,500 feet (0-1372 M) in Canada. at  
higher elevations the BTu input must be de-rated  
by 4% for every 1,000 feet (305 M) to maintain  
the proper ratio of gas to air. If the installer must  
convert the unit to adjust for varying altitudes, a  
derationinformationstickermustbelledoutbythe  
installer and adhered to the appliance at the time  
of the conversion. Contact your local gas supplier  
for deration requirements for your area.  
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Step 7.Before removing the burner pan slide the air shutter control  
lever all the way to the right to the open position (see Figure  
7). To remove the burner pan lift up on the left side, then slide  
the burner to the left and lift out (see Figure 8).  
pilot hood  
Turn stem of  
pilot hood as-  
sembly coun-  
ter-clockwise  
to loosen.  
Open the air  
Shutter Control  
pilot hood  
when hood  
is positioned  
as shown it is  
in the loose  
position.  
Figure 7  
Figure 10  
Step11.ConverttheorificetoNGbypushingtheorificeslidertotheright.The  
top side of the orifice slider will be labeled NG. See Figure 11.  
Slide burner left, then lift out  
Burner pan  
Figure 8  
Orifice Slider  
Step 8.Movetheairshutteroffoftheorifice.Usinga1/2openendwrench,  
push orifice slider to the right  
Figure 11  
remove the orifice by turning counterclockwise. See Figure 9.  
Step12.Retighten the pilot orifice with 7/16” open end wrench (see Figure  
10). Ensure that the orifice slider stays in the NG position while  
tightening (see Figure 11).  
Step13.Reinstall the burner, right side first, making sure that the burner  
neck is seated in the air shutter (see Figure 12).  
air Shutter  
Orifice  
air  
shutter  
Figure 9  
Burner  
Neck  
Step 9.Using a 1/2” end wrench, replace the LP orifice with the NG main  
burner orifice included in this kit (#31 for 40,000 BTU or #36 for  
33,000 BTU). See Figure 9.  
Figure 12  
Step 10.Using a 7/16” open-end wrench, loosen the stem of pilot hood  
assembly with a 1/4 turn counterclockwise (see Figure 10).  
NOTE: DIAGRAMS AND ILLUSTRATIONS ARE NOT TO SCALE.  
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Step 14.Before you secure the burner with screws, double check that  
the orifice is positioned into the burner neck by feeling around  
the back of the burner (see Figure 13). Then, lower the burner  
so it sits flush on the burner supports and replace the 2 screws  
removed in step 6 (see Figure 13).  
Inlet Gas Supply pressure  
Fuel #  
Minimum  
Maximum  
Desired  
Nat.  
Gas  
5" wC/po. C.E  
(1.24 kpa)  
10.5" wC/po. C.E  
7" wC/po. C.E  
(1.74 kpa)  
(2.61 kpa)  
Manifold Gas Supply pressure  
Fuel #  
Low  
high  
Natural  
Gas  
(Lo) 1.7" wC/po. C.E  
(hi) 3.5" wC/po. C.E  
(0.42 kpa)  
(0.87 kpa)  
Burner  
Step 14.Reinstall the log set and glass door assembly. See Page 12  
(LogSetInstallation)andPage 25(DoorAssemblyInstallation)  
in the Installation and Operation Manual.  
Step 15.Lighttheapplianceperthelightinginstructionslabelonappliance  
(located inside left door) or lighting instructions on Page 19 of  
the Installation and Operation Manual. Inspect for proper pilot  
and burner flame appearances (see Figures 15 and 16 below).  
AlsoseeFlameColorandBehaviorandInspectThePilotSystem  
For Proper Flame on Page 20 of the Installation and Operation  
Manual.  
reach behind burner and feel orifice to  
ensure it is centered in the burner neck  
Lower burner ush and reinstall  
screws (indicated by arrows)  
Burner  
Figure 13  
Step 15.Remove the sticker covering the model on the label so that it  
reads “Epic NG40” if orifice #31 is installed. Use the sticker  
“Epic NG33” to cover “Epic NG40” on the label if orifice #36  
is installed. The label is located on the inside of the left hand  
door (see Figure 14).  
Figure 15 - Proper Pilot Flame Appearance  
Safety Label  
Soot at  
Flame Tip  
Soot above  
Flame Tip  
No Soot at  
Flame Tip  
Dark Orange  
Semi-Transparent  
Flame  
ports on pan  
Burner assembly  
yellow Flame  
No Blue Flame  
Center  
Blue Flame  
Center  
Figure 14  
prOpErLy  
BurNING FLaME  
IMprOpErLy  
BurNING FLaME  
Step 16. Turn on gas supply and test for gas leaks using a gas leak test  
solution (see Test Procedure on Page 18 of the Installation and  
Operation Manual).  
Figure 16 - Burner Flame Appearance  
Step 17.Using a manometer, test the inlet and manifold gas pressure  
per instructions in the Installation and Operation Manual (Page  
18) and as shown in the following 2 tables.  
NOTE: DIAGRAMS AND ILLUSTRATIONS ARE NOT TO SCALE.  
Lennox reserves the right to make changes at any time, without notice, in design,  
materials, specifications, prices and also to discontinue colors, styles and products.  
Consult your local distributor for fireplace code information.  
printed in u.S.a. © 2007 Lennox hearth products  
p/N 775,235M rEv. C 03/2008  
1110 west Taft avenue • Orange, Ca 92865  
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