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12
1. Install controls where shown in Table 11 and Figure 28.
Failure to properly install, pipe and wire
boiler controls can result in severe damage
to boiler, building and personnel; and is
not covered by boiler warranty.
a. Install steam pressure operating and high limit
controls and pressure gauge. See Figure 28,this page,
and Figure 29, page 30.
– set according to design requirements.
– set at least 2 psi higher than low limit,
15 psi maximum.
b. Relief valve must be installed with spindle in vertical
position. Use fittings provided with boiler. Do not
Pipe relief valve discharge through vertical
piping to atmosphere. Use rigid material
suitable for 375°F, threaded one end
only. Install drain pan elbow to drain
condensate. Pipe near floor close to floor
drain to eliminate potential of severe
burns. Do not pipe to any area where
freezing could occur. Do not plug, valve
or place any obstruction in discharge line.
c. Install water level controls and gauge glass as shown
in Figure 30 and Table 12, page 30.
1. Fittings for controls to be furnished by others.
2. If water level control is not shown in Table 12,
install per manufacturer's instructions.
will occur.
Steam control locations
Part No. 550-141-935/0215
Steam control tappings (see Figure 28)
29
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