Outdoor Knight XL Installation & Operation Manual
2 Prepare boiler
Gas conversions
WARNING
Model 400
For a boiler already installed, you must turn off gas supply, turn off power and allow boiler to cool before proceeding. You must also completely test the boiler after conversion to verify performance as described under
For the 400 Model you must install a propane orifice to operate the Outdoor Knight XL on propane gas. Verify when installing that the orifice size marking matches boiler size (Model 400 - 8.0 LP orifice stamping).
Models 501 - 801 do not require an orifice installation for propane operation, but they will require a valve adjustment.
WARNING After converting to LP, check combustion per the
of this manual. Failure to check and verify combustion could result in severe personal injury, death, or substantial property damage.
Model 400: Inspect the
be in good condition and must be installed. Failure to comply will cause a gas leak, resulting in severe personal injury or death.
Figure 2-4 Installing Propane Orifice - Model 400
BLOWER
SCREWS
QTY. 3
1.Remove the top and front access covers from the unit (tools required for removal).
2.Remove the three screws securing the venturi to the blower. Note: When separating the venturi from the blower, take care not to damage the
3.Remove the four
4.Locate the propane orifice disk from the conversion kit bag.Verify that the stamping on the orifice disk matches the boiler size (Model 400 - 8.0 LP orifice stamping).
5.Remove the existing orifice from the
6.Reposition the gas valve against the venturi and replace the
7.Inspect the
8.After installation is complete, attach the propane conversion label (in the conversion kit bag) next to the boiler rating plate. Attach the LP caution label (in the conversion kit bag) to the left side of the unit in the lower left corner.
9.Replace the top and front access covers.
SCREWS
QTY. 4
BRASS ORIFICE
GAS VALVE
12