UTICA BOILERS UBSSC-050 Installation, Operation & Maintanance Manual page 8

FIGURE 3-4 Boiler Components (View from Front of Boiler)
AIR VENT AIR VENT
HIGH TEMPERATURE
SUPPLY SWITCH
LOW WATER LOW WATER
CUTOFF CUTOFF
GAS (CONTROL) GAS (CONTROL)
VALVE VALVE
COMBUSTION COMBUSTION
AIR AIR
BLOWER BLOWER
GAS SHUTOFF GAS SHUTOFF
VALVE VALVE
(SHOWN IN OPEN
POSITION)
HEAT EXCHANGER HEAT EXCHANGER
PUMP PUMP
COMBUSTION COMBUSTION
ANALYSIS TEST ANALYSIS TEST
PORT PORT
VENT
TEMPERATURE
SENSOR
CONDENSATE
COLLECTOR
LOW VOLTAGE LOW VOLTAGE
TERMINAL STRIP TERMINAL STRIP
HIGH VOLTAGE HIGH VOLTAGE
JUNCTION BOX JUNCTION BOX
SUPPLY WATER TO SUPPLY WATER TO
HEATING SYSTEM HEATING SYSTEM
(OUT) (OUT)
3 - COMPONENT LISTING
3 - COMPONENT LISTING
SAFETY RELIEF VALVE SAFETY RELIEF VALVE
HEAT EXCHANGER HEAT EXCHANGER
BALL VALVE BALL VALVE
8
NOTE:
See Section 5
For Piping
Instructions
VENT CONNECTOR
COMBUSTION
AIR INLET
GAS CONNECTION GAS CONNECTION
IGNITER IGNITER
FLAME
SENSOR
SIGHT SIGHT
GLASS GLASS
PRESSURE
TEST PORT
USER INTERFACE USER INTERFACE
CONTROL
MODULE
Fuse and
Holder
HEAT HEAT
EXCHANGER EXCHANGER
TRANSFORMER
RETURN WATER
SENSOR (Located
behind piping)
CONDENSATE CONDENSATE
DRAIN DRAIN
RETURN WATER RETURN WATER
FROM HEATING FROM HEATING
SYSTEM (IN) SYSTEM (IN)