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ALARM STATUS:
INTERLOCKS
INTERLOCKS EXPLAINED
When an interlock is active on a device in the system a small stop sign with
a “P” displays on the screen next to the piece of equipment that has an active
interlock . The P stands for permission . Some of the devices have more than one
interlock criteria and that are explained in more detail below .
INTERLOCK – CIP SUPPLY PUMP
The CIP supply pump has the following interlock criteria that must be met prior
to the pump operating .
1 . The system is not in an E-Stop condition .
2 . The pump is not in Alarm .
3 . The tank discharge valve is commanded to be open .
4 . The tank level has more liquid than the minimum configured tank Low Limit
set under Tank settings on the Configuration screen . (Default is 10% level) .
INTERLOCK – ELECTRIC HEATER (IF EQUIPPED)
The electric heater has the following interlock criteria that must be met prior to
the heater being allowed to operate .
1 . The system is not in an E-Stop condition .
2 . The heater is not in Alarm .
3 . The CIP system is in a Running State status .
4 . The CIP supply flow is greater than 10gpm .
5 . The CIP supply temperature is less than 190ºF .
Displays when
there is an
interlock
