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GSA
Gas-Fired Steam Boilers –
Boiler Manual
14
Part Number 550-110-738/1012
4 Install controls
Controls
Failure to properly install, pipe and wire boiler
controls may result in severe damage to the boiler,
building and personnel.
1. Controls are mounted and wired as shown in Figure 15. for
actual tapping locations see Table 4 and Figure 3 on
page 7.
2. Bring supply wiring to boiler. Must be 14 gauge or heavier.
3. See wiring diagram in the GSA Spark Ignition Control Supple-
ment.
Figure 15
Controls
Float-type low water cutoff
(when provided by others)
1. Install low water cutoff as shown in Figure 16, below. See Table
4 and Figure 3 on page 7 for actual tapping location.
2. Install blowdown line in bottom of cutoff. See control
manufacturer’s instructions for details.
Pipe blowdown line near floor close to floor drain
to eliminate potential of severe burns. Do not plug,
valve or place any obstruction in blowdown line.
3. Water feeders are not recommended for primary control. A
low water cutoff with pump controller is recommended with a
condensate receiver and feed pump.
Figure 16
Float-type low water cutoff
(when provided by others)