Lochinvar 500, Руководство по установке и эксплуатации, Страница: 15 / 80

2
Prepare boiler
(continued)
15
Figure 2-3 Gas Valve Adjustment - Models 600 - 850
Models 600 - 850
1. Lift the top bezel (prop the bezel up for service).
2. Remove the cover on top of the gas valve (FIG. 2-3).
3. Use a combustion analyzer to verify CO
2
is within the range
of 9.0 – 11.0%. If not, adjust the screw counterclockwise
incrementally to raise CO
2
and clockwise to lower CO
2
(FIG. 2-3).
4. After adjustment 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 rear of the boiler underneath
the gas supply piping.
5. Replace the gas valve cover and lower the bezel.

WARNING
Failure to check and verify combustion
could result in severe personal injury,
death, or substantial property damage.
Installation & Operation Manual
Figure 2-2A 400 Model_Venturi with LP Orifi ce
Figure 2-2B 500 Model_Venturi with LP Orifi ce