Adjustments; Pilot Injector And Orifice Replacement; Pilot Burner Adjustment - Napoleon GDS26P-1 Installation And Operating Instructions Manual

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9.0 ADJUSTMENTS

9.1

PILOT INJECTOR AND ORIFICE REPLACEMENT

EN
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
Turn off the electrical and gas supply to the appliance.
A.
Remove the cast front, glass viewing door and log set.
B.
Remove the 2 securing screws. Slide the burner assembly to the right and lift out.
C.
Using a deep socket wrench, remove the main burner orifice. A back-up wrench must be used
D.
on the manifold, located below the housing to ensure that the aluminum tubing does not twist
or kink. Replace the correct burner orifice using pipe thread compound.
Loosen nut and replace with appropriate injector
E.
Reinstall the burner ensuring that the Venturi tube fits over the orifice. NOTE: Check and
F.
adjust, if necessary, the primary air to 3/8" (10mm) for propane and 3/16" (5mm) for
natural gas. Replace the screws.
Turn on the gas supply and check for gas leaks by brushing on a soap and
G.
water solution.
DO NOT USE OPEN FLAME.
Replace the log set. Then light the pilot and main burner to ensure that the gas
H.
lines have been purged.
Replace the glass viewing door and cast front. Turn on the electrical supply to
I.
the appliance.
Purge all gas lines with the glass door removed. Assure that a continuous
flow is at the burner before re-installing the door.
9.2

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 FIRMLY TO RESEAL. DO
NOT OVERTORQUE.
W415-2183 / B / 02.10.17
Leak test with a soap and water solution.
Prior to pilot adjustment, ensure that the pilot assembly
WARNING
!
THE UNITED STATES.
3/8" - 1/2"
(9.5mm - 12.7mm)
ORIFICE
LOCATION
BURNER
ASSEMBLY
B
A
PILOT SCREW
PILOT
ELECTRODE
BURNER
FLAME
SENSOR