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W415-0153 / A / 10.29.01
PILOT BURNER ADJUSTMENT
Adjust the pilot screw to provide properly sized flame. Turn
in a clockwise direction to reduce the gas flow.
FIGURE 36
FLAME MUST ENVELOP
UPPER 3/8" TO 1/2" OF
THERMOCOUPLE &
THERMOPILE
THERMOPILE
THERMO-
COUPLE
FIGURE 37
P
I
INLET PRESSURE
TAP
P
I
PILOT SCREW
MANIFOLD TAP
L
O
T
N
O
L
O
T
H
I
L
O
F
F
O
ADJUSTMENTS
VENTURI ADJUSTMENT
Remove the 2 screws securing the control panel plate. To
access the venturi, remove the air housing cover plate, held
on with 2 screws. Take care not to damage the gasket.
Natural gas and propane models have air shutters set fully
open. Closing the air shutter will cause a more yellow flame,
but can lead to carboning. The flame may not appear yel-
low immediately; allow 15 to 30 minutes for the final flame
colour to be established. After making adjustments re-
place the gasket and cover plate. Re-secure the control
panel plate.
FIGURE 38 b
Air shutter adjustment must only be
done by a qualified gas installer!
FIGURE 39
FIGURE 38 a
CONTROL PANEL PLATE
AIR HOUSING
COVER PLATE