Lochinvar 81 - 286 Prepare boiler, Remove boiler from wood pallet, Gas conversions

2 Prepare boiler

Remove boiler from wood pallet

1.After removing the outer shipping carton from the boiler, remove the parts box.

2.Remove the front door to access the lag bolts in front of the unit (FIG. 2-1).

3.To remove the boiler from the pallet (after removing the front door):

a.Remove the two lag bolts from the wood pallet inside the boiler (FIG. 2-1).

b.Detach the boiler from the lag bolts in the rear of the unit, see FIG. 2-1.

NOTICE	Do not drop the boiler or bump the jacket
	on the floor or pallet. Damage to the
	boiler can result.

Figure 2-1Boiler Mounted on Shipping Pallet

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Gas conversions

Installation & Operation Manual

5.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.

6.Replace the top and front access covers.

Table 2A LP Conversion Table

	LP Conversion Table
Model		LP Orifice Stamping
81		80
106		105
151		150
211		210 / W150
286		285

￿WARNING After converting to LP, check combustion per the Start-up procedure in Section 10

of this manual. Failure to check and verify combustion could result in severe personal injury, death, or substantial property damage.

Figure 2-2Installing Propane Orifice

￿WARNING

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 Start-up, Section 10 of this manual. Failure to comply could result in severe personal injury, death, or substantial property damage.

You must install a propane orifice to operate the Knight boiler on propane gas. Verify when installing that the orifice size marking matches boiler size (Table 2A).

Leveling the boiler

1.Set the boiler in place and check level.

a)Adjust legs if necessary to level boiler, see FIG. 2-3 below.

1.Remove the top and front access covers from the unit (no tools required for removal).

2.Remove the three screws securing the gas valve to the venturi (FIG. 2-2).

3.Locate the propane orifice disk from the conversion kit bag. Verify that the stamping on the orifice disk matches the boiler size (see Table 2A).

Place the orifice into the black rubber grommet in the side of the gas valve and secure in the valve (FIG. 2-2).

4.Reposition the gas valve against the venturi and replace the screws (FIG. 2-2) securing the valve to the venturi.

Figure 2-3Leveling Legs on the Boiler

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