Hamilton Engineering XL800, Installing, Operating & Maintaining

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PART 3. GAS CONNECTION
G. GAS CONVERSION
If the appliance is to be converted in
the field for using Propane (LPG), the
following steps must be taken:
• Turn screw [1] clockwise (Figure
3-2 , Part 3, Section D) ¾ of one
turn (270°) on models 299 and 1
full turn (360°) on model HW399
• On model HW599 turn screw on
left hand valve closed (clockwise)
and turn right valve 1-¾ of a full
turn clockwise.
• Run the appliance. If the burner
does not ignite after four starting
efforts, turn the screw [1] one
half turn back (180°) (counter
clockwise).
• After conversion, follow the steps
in Sections E and F for setting the
maximum and minimum loads,
using the LP gas values shown in
Table 3-3 , Part 3, Section D.