User manual

55
Installation & Operation Manual
8 Field wiring (continued)
Figure 8-4 Low Voltage Field Wiring Connections
LOUVER RELAY
TANK THERMOSTAT
HEAT / LOOP
DEMAND 3
SYSTEM SUPPLY SENSOR
BUILDING
MANAGEMENT
SYSTEM
LOW WATER
CUTOFF
OUTDOOR SENSOR TANK SENSOR
SHIELD
SHIELD
TO NEXT BOILER
A B
A
B
FROM
PREVIOUS
BOILER
NOTE: CONNECTION BOARD SPLIT FOR ILLUSTRATION PURPOSES
WIRE AS
NEEDED
SYSTEM PUMP
SPEED CONTROL
BOILER PUMP
A B
HEAT / LOOP
DEMAND 2
HEAT / LOOP
DEMAND 1
FLOW SWITCH
LOUVER
PROVING SWITCH
COM
NO
IMG00126