1Service (continued)
Control outputs
LOW VOLTAGE
CONNECTION
BOARD
SMART SYSTEM
CONTROL BOARD
Service Manual
ALARM BELL
LOUVER RELAY
RUN TIME CONTACTS
SEQUENCER / BUILDING MANAGEMENT SYSTEM
BUILDING RECIRCULATION PUMP
WATER HEATER PUMP
IGNITOR
BLOWER
GAS VALVE
DISPLAY PANEL
PC INTERFACE
7
