W415-1333 / 06.25.14
37
EN
9.0 ADJUSTMENTS
9.1 PILOT INJECTOR AND ORIFICE REPLACEMENT
BURNER
ASSEMBLY
ORIFICE
LOCATION
A.
Turn off the electrical and gas supply to the appliance.
B.
Remove the cast front, glass viewing door and log set.
C.
Remove the 2 securing screws. Slide the burner assembly to the right and lift out.
D.
Using a deep socket wrench, remove the main burner ori
fi
ce. A back-up wrench
must be used on the manifold, located below the housing to ensure that the
aluminum tubing does not twist or kink. Replace the correct burner
ori
fi
ce using pipe thread compound.
E.
Loosen nut and replace with appropriate injector
F.
Reinstall the burner ensuring that the Venturi tube
fi
ts over the ori
fi
ce.
NOTE: Check and adjust, if necessary, the primary air to 3/8” for
propane and 3/16” (4.8mm) for natural gas. Replace the screws.
G.
Turn on the gas supply and check for gas leaks by brushing on a
soap and water solution.
DO NOT USE OPEN FLAME.
H.
Replace the log set. Then light the pilot and main burner to ensure
that the gas lines have been purged.
I.
Replace the glass viewing door and cast front. Turn on the electrical supply to the
appliance.
Purge all gas lines with the glass door removed. Assure that a continuous
fl
ow is at the
burner before re-installing the door.
!
WARNING
9.2 PRESSURE
CHECK
Check Pressure Readings:
Inlet pressure can be checked by turning screw (A) counter-clockwise 2 or 3
turns and then placing pressure gauge tubing over the test point. Gauge should
readas described on the chart below. Check with main burner operating on
“HI”.
Outlet pressure can be checked the same as above using screw (B). Gauge
should readas described on the chart below. Check with main burner operating
on “HI”.
AFTER TAKING PRESSURE READINGS, BE SURE TO TURN SCREWS CLOCKWISE FIRMLY TO RESEAL.
DO NOT OVERTORQUE.
Leak test with a soap and water solution.
Prior to pilot adjustment, ensure that the pilot
assembly has not been painted. If overspray or
painting of the pilot assembly has occurred
remove the paint from the pilot assembly, or replace. Fine emery cloth or sandpaper can be used to remove
the paint from the pilot hood, electrode and
fl
ame sensor.
39.5B
A
B
Pressure
Inlet
Outlet
Natural Gas
(inches)
Natural Gas
(millibars)
Propane
(inches)
Propane
(millibars)
7"
(MIN. 4.5")
3.5"
13"
(MIN. 11")
10"
17.4mb
(MIN. 11.2mb)
8.7mb
32.4mb
(MIN. 27.4mb)
24.9mb
THIS INSTALLATION SHOULD BE DONE BY A QUALIFIED INSTALLER AND SHALL BE IN
COMPLIANCE WITH LOCAL CODES. IN THE ABSENCE OF LOCAL CODES, USE THE CURRENT
CAN1-B149 INSTALLATION CODE IN CANADA, OR THE CURRENT NATIONAL FUEL GAS CODE ANSI
Z223.1 IN THE UNITED STATES.
