![Middleby CROWN OB-2-1-27-E Installation & Operation Manual Download Page 11](http://html1.mh-extra.com/html/middleby/crown-ob-2-1-27-e/crown-ob-2-1-27-e_installation-and-operation-manual_1790421011.webp)
INSTALLATION AND OPERATION MANUAL, OYSTER BAR (ELECTRIC),
MODELS: OB-2-1-27-E, OB-2-2-27-E, OB-4-1-48-E, OB-4-2-54-E
PART NUMBER 10103R1
11
2005-03-23
4.0
CSD-1 OPTIONAL FEATURE
(Continued)
SAFETY LOCKOUT CONDITIONS
High Temperature Condition
A high temperature safety device is installed on the boiler. Should the temperature exceed the
limit of this device, the boiler will be shut down and put in a state of lockout. The
“TEMPERATURE” pilot light (red), and the “STANDBY” pilot light (amber), will come on.
High Pressure Condition
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 put into a state of lockout. The “PRESSURE” pilot
light (red), and the “STANDBY” pilot light (amber), will come on. Should this device fail to
operate, the safety relief valve will open.
Low Water Condition
A second low water safety cut off is supplied with the boiler. Should the water level fall below
normal operating levels, the boiler will be shut down and put into a state of lockout. The “LOW
WATER” pilot light (red), and the “STANDBY” pilot light (amber) will come on.