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10.10 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.
Leak test with a soap and water solution.
Prior to pilot adjustment, ensure that the pilot assembly has not been paint-
ed. 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 flame sensor.
Pressure
Inlet
Outlet
10.11 flame characteristics
It's important to periodically perform a visual check of
the pilot and burner flames. Compare them to the
illustration provided. If any flames appear abnormal,
call a service person.
52
W415-4032 / B / 05.03.22
Natural Gas
Natural Gas
(inches)
(millibars)
*7"
17.4mb
(minimum 4.5")
(minimum 11.2mb)
3.5"
8.7mb
Tall flame (peak)
ODS - MILLIVOLT
PSE THERMOCOUPLE
3/8" - 1/2"
(9.5mm - 12.7mm)
Flame must envelop
Propane
upper
3/8" to 1/2"
(inches)
(12.7mm - 9.5mm) of
thermocouple
13"
(minimum 11")
10"
SIT ELECTRONIC IGNITION
*Maximum inlet pressure not to exceed 13"
3/8" - 1/2"
(9.5mm - 12.7mm)
Flame must envelop
upper
ADD IMAGE
3/8" to 1/2"
(12.7mm - 9.5mm) of
HERE
Flame sensor
Low flame (valley)
SIT MILLIVOLT
3/8" - 1/2"
(9.5mm - 12.7mm)
Flame must envelop
upper
3/8" to 1/2"
(12.7mm - 9.5mm) of
thermocouple &
thermopile
PSE LONG SENSOR
3/8" - 1/2"
(9.5mm - 12.7mm)
Flame must envelop
upper
3/8" to 1/2"
(12.7mm - 9.5mm) of
TOP VIEW
B
A
SIDE VIEW
PILOT OUTLET
Propane
(millibars)
32.4mb
VUE DE
(minimum 27.4mb)
B
A
DESSUS
24.9mb
VUE DE
CÔTÉ
SORTIE DE PILOTE
36.1
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