8
3 - COMPONENT LISTING
FIGURE 3-2 Boiler Components
LOW
LOW
VOLTAGE
VOLTAGE
TERMINAL
TERMINAL
STRIP
STRIP
HIGH VOLTAGE
HIGH VOLTAGE
JUNCTION BOX
JUNCTION BOX
RETURN WATER
RETURN WATER
FROM HEATING
FROM HEATING
SYSTEM (IN)
SYSTEM (IN)
1-1/4" NPT
1-1/4" NPT
IGNITER
IGNITER
SIGHT
SIGHT
GLASS
GLASS
HEAT EXCHANGER
HEAT EXCHANGER
BALL VALVE
BALL VALVE
CONDENSATE
CONDENSATE
DRAIN 1/2" PVC
DRAIN 1/2" PVC
GAS SHUTOFF
GAS SHUTOFF
VALVE
VALVE
LOW WATER
LOW WATER
CUTOFF
CUTOFF
COMBUSTION
COMBUSTION
AIR
AIR
BLOWER
BLOWER
COMBUSTION
COMBUSTION
CHAMBER
CHAMBER
GAS (CONTROL)
GAS (CONTROL)
VALVE
VALVE
USER INTERFACE
USER INTERFACE
RETURN WATER
RETURN WATER
FROM HEATING
FROM HEATING
SYSTEM (IN)
SYSTEM (IN)
1-1/4" NPT
1-1/4" NPT
SUPPLY WATER TO
SUPPLY WATER TO
HEATING SYSTEM
HEATING SYSTEM
(OUT) 1-1/4" NPT
(OUT) 1-1/4" NPT
HEAT EXCHANGER
HEAT EXCHANGER
PUMP
PUMP
CONDENSATE
COLLECTOR
DRAIN
VALVE
FLAME
SENSOR
(SHOWN IN OPEN
POSITION)
VENT
TEMPERATURE
SENSOR
SAFETY RELIEF VALVE
SAFETY RELIEF VALVE
VENT CONNECTOR
(2" PVC)
COMBUSTION
AIR INLET
2" PVC
HIGH TEMPERATURE
SUPPLY SWITCH
RETURN TEMPERATURE
SENSOR
COMBUSTION
COMBUSTION
ANALYSIS TEST
ANALYSIS TEST
PORT
PORT
TEST PORT
NOTE:
See Section 5
For Piping
Instructions
IN-LINE
IN-LINE
PRESSURE
PRESSURE
SWITCH
SWITCH
VAPOR
VAPOR
COLLECTOR
COLLECTOR
Summary of Contents for 075 97gb
Page 56: ...56 14 WIRING DIAGRAM 14 1 Connection Diagram ...
Page 57: ...57 14 WIRING DIAGRAM 14 2 Schematic Diagram of Ladder Form ...
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