Lochinvar 400 - 801 Boiler User Manual


 
1 Service
Service Manual
9
1 Service (continued)
LOW VOLTAGE
CONNECTION
BOARD
SMART CONTROL
MODULE
ALARM BELL
LOUVER RELAY
RUN TIME CONTACTS
BUILDING MANAGEMENT
SYSTEM
BOILER PUMP
SYSTEM PUMP
DHW PUMP
IGNITOR
BLOWER
GAS VALVE
DISPLAY PANEL
PC INTERFACE
Control outputs