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Part No. 6-847684-00 Rev. D01
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Example 4: Two multi-signal master alarm panels -
duplex air compressor and vacuum pump systems.
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Q
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Typical Master/Area Alarm Wiring Examples
Med. Air Line
Pressure Low
Med. Air Line
Pressure High
Med. Air
CO High
Med. Air
Dew Point High
Med. Air
Lag Compressor
Air Comp.
High Temp.
Low Line
Vacuum
Lag Vacuum
Pump
Vacuum Pump
High Temp.
Med. Air Line
Pressure Low
Med. Air Line
Pressure High
Med. Air
CO High
Med. Air
Dew Point High
Med. Air
Lag Compressor
Air Comp.
High Temp.
Low Line
Vacuum
Lag Vacuum
Pump
Vacuum Pump
High Temp.
LOW
HIGH
com
com
n/c - not used
n/c
n/o
n/o - not used
Multi-Signal Module
Multi-Signal Module
Multi-Signal Module
Multi-Signal Module
Med. Air Line Pressure Switch -
connected to main med. air pipeline
High Dew Point -
from air comp. panel
High Carbon Monoxide -
from air comp. panel
Air Compressor Lag -
from air comp. panel
High Temp. # 2 -
from air comp. panel
High Temp. # 1 -
from air comp. panel
LOW
com
n/c - not used
n/o
High Temp. # 2 -
from vac pump panel
High Temp. # 1 -
from vac pump panel
Vacuum Pump Lag -
from vac pump panel
MASTER ALARM PANEL #1
MASTER ALARM PANEL #2
Vacuum Line Pressure Switch -
connected to main vacuum pipeline
