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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
F
R
O
M
PREVIOUS
BOILER
ROOM THERMOSTAT 1
ROOM THERMOSTAT 2
NOTE:
CONNECTION BOARD SPLIT FOR
ILLUSTRATION PURPOSES
WIRE AS
NEEDED
SYSTEM PUMP
SPEED CONTROL
BOILER PUMP
AB
Figure 8-4 Low Voltage Field Wiring Connections