Adjustments; Pilot Injector And Orifi Ce Replacement; Pilot Burner Adjustment - Napoleon Castlemore GDS26P-1 Installation And Operation Manual

8.1 pilot injector and orifi ce replacement
WARNING
!
• This installation should be done by a qualifi ed 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.
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 orifi 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 orifi 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 orifi ce.
note:
Check and adjust, if necessary, the primary air to 3/8" (10mm) for
propane and 3/16" (5mm) 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.
8.2

pilot burner adjustment

Adjust the pilot screw to provide properly sized fl ame. Turn in a clockwise direction to reduce the gas fl ow.
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 read as described on the chart
below. Check pressure with main burner operating on "HI".
Outlet pressure can be checked the same as above using screw
(B). Gauge should read as described on the chart below. Check
pressure with main burner operating on "HI".
After taking pressure readings, be sure to turn screws
clockwise fi rmly 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 a
synthetic scrub pad (such as Scotch-Brite™) can be used to remove the paint from the pilot hood, electrode
and fl ame sensor.
Pressure Natural Gas
(inches)
Inlet
(minimum 4.5")
Outlet
Natural Gas
(millibars)
*7" 17.4mb
(minimum 11.2mb)
3.5" 8.7mb

8.0 adjustments

ORIFICE
LOCATION
SPARK MODULE
INSERT PILOT ASSEMBLY
B
A
PILOT SCREW
Propane
(inches)
13"
(minimum 11") (minimum 27.4mb)
10"
*Maximum inlet pressure not to exceed 13"
BURNER
ASSEMBLY
FLAME
SENSOR
PILOT
BURNER
FLAME MUST ENVELOP
UPPER 3/8" (9.5mm) TO
1/2" (12.7mm) OF FLAME
SENSOR
Propane
(millibars)
32.4mb
24.9mb
W415-2360 / A / 10.31.19
EN
41