Page 2
18-CH98D1-2-EN
Installer's Guide
5. Remove screws and detach burner clamp (item 4) from
burner box.
CAUTION
When removing extreme right and left burners, use caution
not to break the ignitor assemblies and flame sensors.
6. Remove all burners (item 5) from the burner holder (item 6).
Discard burners.
7. Record the orifice depth prior to removing all the main burner
natural gas orifices(s) (item 7). Remove & discard the natural
gas orifices.
8. Install the #59 propane orifices to the same depth as the
orifices supplied with the equipment.
CAUTION
Check the ignitor and flame sensor alignments when replac-
ing extreme right and left burners, use caution not to break
the ignitor assemblies.
9. Install stainless steel burners supplied with kit.
10. Re-install burner clamp to burner box.
11. Re-install burner plate to burner box.
12. Re-install manifold pipe to burner box.
FIGURE 2
SINGLE STAGE GAS VALVE ONLY
Outlet Pressure Boss
1st Stage (LO) Manifold Pressure Adjustment
Inlet Pressure
Boss
Gas Valve On/Off
Toggle Switch
White-Rodgers 36J
Models using the 36J single-stage gas valve:
See Figures 2 and 3.
13. Perform the following steps to install the LP Spring:
a. Remove the 1st Stage (LO) regulator screw cap. Retain
the screw cap for reassembly.
b. Turn the plastic adjustment screw counter-clockwise
until the screw can be easily removed.
c. Carefully remove the natural gas spring with piece of
thermostat wire or similar material.
ཱུ
ཱི
ུ
ྲྀ
ཱ
ི
FIGURE 1
CAUTION
Be careful not to damage the engagement threads of the
spring cavity.
d. Discard the natural gas spring and insert the "white
colored" LP spring. Center the spring within the cavity to
avoid damaging the spring or cross threading the
adjustment screw.
e. Re-install the plastic adjustment screw turning it clock-
wise approximately 4-5 turns.
FIGURE 3
14. Apply "PROPANE" label to the rating plate of the furnace.
15. Apply conversion label to the front of the furnace.
16. Fill out the Conversion Responsibility Label and apply to the
inside of the furnace door.
17. Turn on gas supply and electrical power.
18. For complete detailed sequence of operation, refer to the
installation instructions or Service Facts with the furnace.
19. Set the thermostat to call for operation.
20. Check the complete operation of the unit. Check the mani-
fold gas pressure
as specified in the installation instruc-
tions of the furnace Installer's Guide.
