American Water Heater BCL3 85T390 6NOX Water Heater User Manual


  Open as PDF
of 52
 
7
FEATURES AND COMPONENTS
CONTROLS
CONTROL BOX ON/OFF SWITCH
VARIABLE
FREQUENCY
DRIVE
DIGITAL
THERMOSTAT
I/O MODULE
LOW SPEED
I/O MODULE
HIGH SPEED
IGNITION
CONTROL
BLOWER
PROVER
SWITCH
BLOCKED
INLET SWITCH
BLOCKED
FLUE SWITCH
FIGURE 1.
Variable Frequency Drive (VFD)



I/O Module (Low and High Speed)

Blocked Inlet Switch       

Blocked Flue Switch       

Blower Prover Switch

THE ELIMINATOR (SELF-CLEANING SYSTEM)















Note: The Eliminator may have 1, 3 or 7 cross tubes.
FIGURE 2.
HIGH LIMIT SWITCH
         










RESET
BUTTON
LED
LIGHTS
FUSE
140
130
DIGITAL THERMOSTAT
FIGURE 3.
ELECTRONIC IGNITION CONTROL
       
          





IGNITION CONTROL
FIGURE 4.
BLOWER/BURNER ASSEMBLY
FIGURE 5.
Spark Igniter

Intake Air Screen



Flame Sensor





 previous next