A.O. Smith FPS40, FPSE50, fps50, FPS 75 manual Service Checklist, Comments

FPS/FPSE/FPD TECHNICAL TRAINING AND SERVICE WORKBOOK

SERVICE CHECKLIST

VI PROPER SEQUENCE OF OPERATION

A. FPS40 - 50

During standby is blower off?

On a call for heat does gas valve open? Does gas pressure switch close?

Does the blower come on?

If so, does the air pressure make? Does the solenoid open?

Does main burner ignite? Does the thermostat satisfy?

Comments:

A.FPSE40-50

During standby is blower off?

On a call for heat does gas valve open? Does gas pressure switch close?

Does the blower come on?

If so, does the air pressure make? Does the solenoid open?

Does main burner ignite? Does the thermostat satisfy?

Comments:

yes no

yes no

yes no

yes no

yes no

yes no

yes no

yes no

yes no

yes no

yes no

yes no

yes no

yes no

yes no

yes no

A. FPD40 - 50
During standby is blower off?	yes	no
On a call for heat does gas valve open?	yes	no
Does gas pressure switch close?	yes	no
Does the blower come on?	yes	no
If so, does the air pressure make?	yes	no
Does the solenoid open?	yes	no
Does main burner ignite?	yes	no
Does the thermostat satisfy?	yes	no
Comments:
A. FPS75
During standby is blower off?	yes	no
On a call for heat does gas valve open?	yes	no
Does gas pressure switch close?	yes	no
Does the blower come on?	yes	no
If so, does the air pressure make?	yes	no
Does the solenoid open?	yes	no
Does main burner ignite?	yes	no
Does the thermostat satisfy?	yes	no

Comments

@1995
A.D. Smith	97	Technical Information
Water Products Co		Irving, Texas