Lochinvar 80 - 285 User Manual download pdf (Page 13)

Installation & Operation Manual

2 Prepare boiler

Figure 2-2 Installing Propane Orifice

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.

Do not drop the boiler or bump the jacket

on the floor or pallet. Damage to the

boiler can result.

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).

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.

Figure 2-1 Boiler Mounted on Shipping Pallet

Gas conversions

NOTICE

 WARNING

Figure 2-3 Leveling Legs on the Boiler

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.

 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.

LP Conversion Table

Model LP Orifice Stamping

105

150

210

210 / W150

285

Table 2A LP Conversion Table

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.

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Lochinvar 80 - 285 User Manual Page 13

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