Blodgett SB-16E - Manual (Page 8)

8
3.0 OPERATING INSTRUCTIONS (Continued)
High Pressure Condition, CSD-1 Controls
A high pressure safety switch is installed on the boiler. Should the pressure exceed the
limit of this device, the boiler will be shut down and switch to a state of lockout. The
“Pressure” pilot light (red), and the “Standby” pilot (amber), will come on. Should this
device fail to operate, the safety relief valve will open.
Low Water Condition, Standard Controls
A low water safety cut off is supplied with the boiler. Should the water level fall below
normal operating levels, the boiler will shut down. If the water level is returned to a safe
level, normal boiler operation will resume.
Low Water Condition, CSD-1 Controls
A second low water safety cut off is supplied with the boiler. Should the water level fall
below normal operating levels, the boiler will shut down and switch to a state of lockout.
The “Low Water” pilot light (red), and the “Standby” pilot (amber) will come on.
SHUT DOWN
Turn off power switch, open manual drain valve. If unit is equipped with automatic
blowdown valve, it will open and drain the boiler.