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Calliope System Diagram
by Richard Vance
 
 
 

sys01.gif (18 kb)
 

sys02.gif (16 kb)
 

sys03.gif (14 kb)

PI - pressure gage
WI - weight gage
LG - leve glass gage
PCV - pressure control valve (a self-contained regulator)
PSV - pressure safety valve
JE - flame detector element
PIC - pressure indicating controller, analog (modulates the boiler flame to control the boiler pressure)
PV - pressure valve
SV - solenoid valve (electric-controlled valve)

LAL - alarm, low-level
LALL - alarm, very low level
PAHH - alarm, very high pressure
LSH - switch
LSL -
LSLL -
PSH -
KS - switch, programmer or signal input
KY - relay or signal converter
KIC - controller, indicating (the computer)

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14 August 2001
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