Lochinvar 151 Prepare water heater continued, Models 601, Leveling the water heater

Installation & Operation Manual

2 Prepare water heater (continued)

Models 601 - 801

1.Remove the top access cover from the unit (no tools required for removal).

2.Remove the cover on top of the gas valve (FIG. 2-5).

3.Turn the adjustment screw on top of the gas valve clockwise one and three quarter (1 3/4) turns on the 601 Model, one and a half (1 1/2) turns on the 701 Model, and one turn on the 801 Model (see FIG. 2-5).

4.Use a combustion analyzer to verify CO2 is within the range of 9.6 – 10.5%. If not, adjust the screw counterclockwise

incrementally to raise CO2 and clockwise to lower CO2 (FIG. 2-5).

5.After adjustment is complete, attach the propane conversion label (in the conversion kit bag) next to the water heater 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 gas valve cover along with the top access cover.

Leveling the water heater

1.Set the water heater in place and check level.

a)Adjust legs if necessary to level the water heater, see FIG. 2-6 below.

Figure 2-6Leveling Legs on the Water Heater

￿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 2-5Gas Valve Adjustment - Models 601 - 801

COVER

ALLEN WRENCH

ADJUSTMENT SCREW

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