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Installation & Operation Manual
8 Field wiring (continued)
LOUVER RELAY
FLOW SWITCH
TANK THERMOSTAT
ROOM THERMOSTAT 3
SYSTEM SUPPLY SENSOR
BUILDING
MANAGEMENT
SYSTEM
LOUVER
PROVING SWITCH
COM
NO
LOW WATER
CUTOFF
OUTDOOR SENSOR
TANK SENSOR
SHIELD
SHIELD
TO
NEXT
BOILER
A
B
A
B
FROM
PREVIOUS
BOILER
ROOM THERMOSTAT 1
ROOM THERMOSTAT 2
A
B
NOTE:
CONNECTION BOARD SPLIT FOR
ILLUSTRATION PURPOSES
WIRE AS
NEEDED
SYSTEM PUMP
SPEED
CONTROL
BOILER
PUMP
Figure 8-3 Low Voltage Field Wiring Connections