State Industries SBL85 390NE(A) Water Heater User Manual


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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 HYDROCANNON (SELF-CLEANING SYSTEM)


            










      

Note: The Hydrocannon 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





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