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Models
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FPS 40 and 50
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Series 226-227
FPSE 40 and 50
Series 226E
FPD 40 and 50
Prepared by the
Series 226-227
Technical
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Information Dept.
WATER PRODUCTS F PS 75
Irving, Texas
COMPANY
Series 230-233
A DIVISION OF A.O. SMITH CORPORATION
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Printed in the U.S.A. 596 4575
Part No. TC-O34
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FPS/FPSE/FPD TECHNICAL TRAINING AND SERVICE WORKBOOK WORKBOOK INTRODUCTION @1995 Technical Information A.D. Smith 1 Water Products Co. Irvino. Texas
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FPS/FPSE/FPD TECHNICAL TRAINING AND SERVICE WORKBOOK TABLE OF CONTENTS SUBJECT PAGE PAGE SUBJECT Service and Operation Choosing the Best Water Heater 3 FPS 40 & 50 Introduction When to choose the FPS 3 Sequence of Operation 21 22 When to choose the FPSE 4 Wiring Diagram 5 Troubleshooting Index 23 When to choose the FPD Parts List 40 Venting Installation Interior clearances FPS, FPSE, FPD 6 FPSE & FPD 40 -50 Exterior clearances FPS, FPSE 7 Sequence of Operation 42 43 Exterior clearances FPD 8 Wir
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FPS/FPSE/FPD TECHNICAL TRAINING AND SERVICE WORKBOOK CHOOSING THE BEST WATER HEATER @1995 A.D. Smith Technical Information 3 Water Products Co. Irving, Texas
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FPS/FPSE/FPD TECHNICAL TRAINING AND SERVICE WORKBOOK CHOOSING THE BEST WATER HEATER cant.
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FPS/FPSE/FPD TECHNICAL TRAINING AND SERVICE WORKBOOK CHOOSING THE BEST WATER HEATER cant.
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FPS/FPSE/FPD TECHNICAL TRAINING AND SERVICE WORKBOOK VENTING INSTALLATION
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FPS/FPSE/FPD TECHNICAL TRAINING AND SERVICE WORKBOOK VENTING INSTALLATION cant. Exterior installation clearance requirements are crucial and must be met to ensure Exterior compliance with all safety and code requirements. If all clearances cannot be Clearances: met, do not unpack the heater. FPS FPSE All exterior clearance requirements for the FPS and FPSE are measured from the vent termination. Min. clearances for side wall venting: Min. clearances for vertical: Inside corner - 3' l' above or 4
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FPS/FPSE/FPD TECHNICAL TRAINING AND SERVICE WORKBOOK VENTING INSTALLATION cant. Exterior installation clearance requirements are crucial and must be met to ensure Exterior compliance with all safety and code requirements. If all clearances cannot be Clearances: met, do not unpack the heater. FPD All exterior clearance requirements for the FPO are measured from the vent termination. Min. clearances for side wall venting: Min. clearances for vertical: Inside corner - 3' l' above or 4' to the side
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FPS/FPSE/FPD TECHNICAL TRAINING AND SERVICE WORKBOOK VENTING INSTAllATION cant.
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FPS/FPSE/FPD TECHNICAL TRAINING AND SERVICE WORKBOOK VENTING INSTAllATION cant.
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VENTING INSTAllATION cant.
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FPS/FPSE/FPD TECHNICAL TRAINING AND SERVICE WORKBOOK VENTING INSTAllATION cant.
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FPS/FPSE/FPD TECHNICAL TRAINING AND SERVICE WORKBOOK VENTING INSTAllATION cant.
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FPS/FPSE/FPD TECHNICAL TRAINING AND SERVICE WORKBOOK VENTING INSTALLATION cant.
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FPS/FPSE/FPD TECHNICAL TRAINING AND SERVICE WORKBOOK VENTING INSTAllATION cant
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FPS/FPSE/FPD TECHNICAL TRAINING AND SERVICE WORKBOOK AIR FOR COMBUSTION On initial start up, check for the correct draft on the Power Shot. To check the Checking for draft, place a smoke stick directly in front of the inlet air damper while the heater Draft is firing. A properly operating system will draw the smoke into the inlet air damper as shown in the right illustration. The illustration on the left shows a negative To check for a negative condition close all windows, outside doors, and fir
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FPS/FPSE/FPD TECHNICAL TRAINING AND SERVICE WORKBOOK AIR FOR COMBUSTION cant. SOLUTION CAUSE CONDITION Seal vent joints Burnt gas odor when Leaking vent heater is operatinq joints Clear vent blockaQe Blocked vent The majority of the complaints associated with the operation of the will likely be a direct result of improper venting. If the customer complains of smelling burnt gas around the water heater, first check for vent gases that may be leaking from the PVC joints or around the area between
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FPS/FPSE/FPD TECHNICAL TRAINING AND SERVICE WORKBOOK AIR FOR COMBUSTION cont. CONDITION CAUSE SOLUTION Excessive heat Inlet air damper not Free air damper build-up in PVC opening completely venting Blower does not run when Replace entire main burner fires blower assembly Wrong main burner Install correct orifice size orifice Build up of Intermittent If cycling occurs fan cycling pressure in the more than twice per hour, without burner main burner tube see troubleshooting between thermostat opera
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FPS/FPSE/FPD TECHNICAL TRAINING AND SERVICE WORKBOOK AIR FOR COMBUSTION cont. Diagnosing pilot outage complaints requires an examination of the environment in Negative Pressure which the heater is installed. Mechanical vent fans are the chief cause of negative pressure. If the house is too tight, more air will be exhausted from the structure than is being brought in from the outside, resulting in a negative pressure condition. Fireplaces, furnaces, wind, and thermal stacking within the house can
