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7.
Replace and set the Low Flame Adjustment Screw of all safety gas valve.
a.
Remove the Low Flame Adjustment Screw from the safety gas valve. Use a screw driver
and rotate counter-clockwise to loosen.
b.
Then, pull it out with long nose pliers.
c.
Install the Low Flame Adjustment Screw. Ensure to use the correct Low Flame
Adjustment Screw for the gas type that the unit will operate on. See table below. Refer
also to the Gas Specification Table on page 5 of this manual.
GAS TYPE
LOW FLAME
ADJUSTMENT
SCREW SIZE
IMAGE MARK
RECOMMENDED
SETTING
NATURAL GAS
Ø1.6mm
FULLY CLOSED
PROPANE / BUTANE
/ LPG
Ø0.7mm
90° OPEN, from fully
closed position
d.
After installing the screw, set the screw according to the gas type that it will operate on.
See above chart.
e.
For Natural Gas, using a Ø1.6mm adjustment screw, set it to FULLY CLOSED position.
Turn it clockwise to “Fully” close position.
f.
For Propane/Butane/LPG, using Ø0.7mm adjustment screw, turn it clockwise to fully
closed position. Then, turn it counter-clockwise to about 90° OPEN.
NOTE:
You can adjust the height of the low flame by rotating the screw counter-
clockwise to increase and clockwise to decrease.
8.
Adjust the inlet pressure according to the gas type used. Refer to the Gas Specification Table
on page 5 of this manual.
Low Flame Adjustment Screw
