Lochinvar 151 - Page 51

Installation & Operation Manual
51
8 Field wiring (continued)
24VAC LOUVER
RELAY COIL
FLOW SWITCH
TANK SENSOR
BUILDING
MANAGEMENT
SYSTEM
LOUVER PROVING SWITCH
COM
NO
LOW WATER CUTOFF
TANK THERMOSTAT
SHIELD SHIELD
TO NEXT HEATER
A
B
A
B
FROM
PREVIOUS
HEATER
A
B
Figure 8-3 Low Voltage Field Wiring Connections