HCA Series Installation Manual
Page 46 of 58
V2.15
Normal Standby
Common Alarm
and Release
Common Alarm
Common Alarm
Common Alarm
and Release
Common Alarm
and Release
Common Alarm
and Release
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A
Common Alarm
and Release
In
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Single Interlock Truth Table
Normal Standby
Common Alarm
and Release
Common Alarm
Common Alarm
Common Alarm
and Release
Common Alarm
and Release
Common Alarm
and Release
M
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R
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C
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Z
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B
C
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Z
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A
Common Alarm
and Release
O
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tp
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In
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In
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Common Alarm
Common Alarm
Common Alarm
Common Alarm
Common Alarm
Common Alarm
Common Alarm
Common Alarm
Double Interlock Truth Table
Figure 5.3
– Water Releasing Truth Table
