Lennox Hearth 42 User Manual
HEARTH PRODUCTS
TM
KITS AND ACCESSORIES
775,241M
Rev. A, 08/2008
INSTALLATION INSTRUCTIONS FOR CONVERTING FROM PROPANE GAS (LP) TO
NATURAL GAS (NG). FOR USE WITH THE RAVELLE 42 DIRECT VENT GAS FIREPLACE
KIT CONTENTS (See Figure 1):
1 ea. Nova SIT NG Regulator Kit (A)
1 ea. #30 NG main burner orifice (42,000 BTU’s) (B)
1 ea. Instruction Sheet
TOOLS NEEDED (See Figure 2):
5/32” 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
RAVELLE 42™ GAS CONVERSION INSTRUCTIONS LP TO NG
AVERTISSEMENT
Cet équipement de conversion sera installé par une
agence qualifiée de service conformément aux instructions du fabricant et toutes exigences et codes applicables de l'autorisés avoir la juridiction. Si l'information
dans cette instruction n'est pas suivie exactement, un
feu, explosion ou production de protoxyde de carbone
peut résulter le dommages causer de propriété, perte
ou blessure personnelle de vie. L'agence qualifiée de
service est esponsable de l'installation propre de cet
Figure 1 - Kit Contents
B
équipment. L'installation n'est pas propre et compléte
jusqu'à l'opération de l'appareil converti est chéque
suivant les critères établis dans les instructions de
propriétaire provisionnées avec l'équipement.
CAT. NO. 75095, MODEL RAVL42-CK-LP TO NG
A
Figure 2 - Tools Needed
Fig. 2
WARNING
This conversion kit shall be installed by a qualified
service agency in accordance with the manufacturer's
instructions and all applicable codes and requirements
of the authority having jurisdiction. If the information
in these instructions is not followed exactly, a fire,
explosion or production of carbon monoxide may result
causing property damage, personal injury or loss of
life. The qualified service agency performing this
installation is responsible for the proper installation of
this kit and assumes responsibility for this conversion.
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 CANADA
The conversion shall be carried out in accordance with
the requirements of the provincial authorities having
jurisdiction and in accordance with the requirements
of the CAN/CSA B149.1 Installation code.
IMPORTANT LE CANADA SEULEMENT
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 .
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
deration information sticker must be filled out by the
installer and adhered to the appliance at the time
of the conversion. Contact your local gas supplier
for deration requirements for your area.
1
READ ALL THE STEPS BEFORE STARTING THE CONVERSION.
INSTALLER NOTICE: THESE INSTRUCTIONS MUST BE LEFT WITH
THE APPLIANCE.
This kit contains components required to convert this appliance
from using Propane Gas to using Natural Gas as the only fuel.
All of these components must be replaced in order for the unit to
operate safely on Natural Gas.
When installing gas components use pipe joint compound or
Teflon tape on all pipe fittings before installing (ensure propane
resistant compounds are used, do not use pipe joint compounds
on flare fittings).
INSTALLATION INSTRUCTIONS
TURN OFF THE GAS SUPPLY TO THE APPLIANCE.
Step 1. Using a Torx T20 or flat screwdriver, remove the Nova SIT LP
Regulator (flame height control) by removing the 3 screws surrounding it (see Figure 3) . Be sure to also remove the LP regulator
diaphragm (see Figure 3).
Step 2. Install the Nova SIT NG Regulator (included in this kit) using the
3 new screws provided as shown in Figure 3.
Step 7 To remove the burner, slide the burner off the orifice and out of
the air shutter by shifting the burner to the right.
Remove the allen
screws on the right
side of burner.
Burner
Shared Screw Hole
Figure 3
Regulator
Diaphragm
Fill out & affix label from
regulator kit to valve
Remove the allen
screw securing the
front left corner of
the burner.
Screws
Figure 4
Step 8 Remove the pilot shield by removing the two allen screws (see
Figure 5).
Step 9 Reinstall screws to secure pilot assembly for pilot orifice conver-
sion.
Pressure
Regulator
Remove
These
Components
Step 3 Remove the glass by releasing the two upper spring latches, and
lifting up and out of the lower latches.
Step 4 Remove the right side burner support by removing the four allen
screws (see Figure 4). Note: The right front corner of the burner
shares a screw with the burner support.
Step 5 Remove the allen screw securing the front left corner of the
burner.
Step 6 Move the air shutter control lever all the way to the right (see
Figure 9).
2
NOTE: DIAGRAMS AND ILLUSTRATIONS ARE NOT TO SCALE.
5/32” allen screws
Figure 5
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