Lochinvar 3.5 Boiler User Manual


 
1 Service
Service Manual
9
1 Service (continued)
LOW VOLTAGE
CONNECTION
BOARD
SMART CONTROL
MODULE
ALARM CONTACTS
LOUVER RELAY
RUN TIME CONTACTS
SEQUENCER / BUILDING
MANAGMENT SYSTEM
BOILER PUMP
CONTACTOR
SYSTEM PUMP
CONTACTOR
HWG PUMP
CONTACTOR
IGNITOR
BLOWERS
GAS VALVES
BOILER RATE OUTPUT
DISPLAY PANEL
PC INTERFACE
120V
SUPPLY
SYSTEM PUMP BOILER PUMP DHW PUMP
MAX. 1.5 AMPS PER CONNECTION
NL
FIELD SUPPLIED CONTACTOR MUST
BE INSTALLED
LINE VOLTAGE
TERMINAL
STRIP
0-10V OUTPUT TO
BOILER PUMP
VENT DAMPER
Control outputs