A.O. Smith FPS 75 Manual

~
~
--
~-
I';:::;::
t;;.\i(
-
--- -- ~
' ,~ K
-r~~ :--' :::=::;-
~
( ;,,' tF
~~~.
~
0-'1
~
n ; q
F'
~;;;;~~,
n
II : ~
r=~~~
~~~
Models
FPS40 and 50
Series226-227
FPSE40 and 50
Series 226E
FPD40 and 50
Series226-227
ruc Wc ~~D~w
Preparedby the
Technical
InformationDept.
Irving,Texas FPS75
Series230-233
WATER PRODUCTS
COMPANY
A DIVISION OF A.O. SMITH CORPORATION
00
Printed in the U.S.A. 596 4575 PartNo.TC-O34

FPS/FPSE/FPD TECHNICAL TRAINING AND SERVICE WORKBOOK
WORKBOOK INTRODUCTION
Technical Information
Irvino. Texas
1
@1995
A.D. Smith
Water Products Co.

FPS/FPSE/FPD TECHNICAL TRAINING AND SERVICE WORKBOOK
TABLE OF CONTENTS
SUBJECT PAGE
PAGE
SUBJECT
Service and Operation
Choosing the Best Water Heater
3FPS 40 & 50
Introduction
21
When to choose the FPS 3Sequence of Operation
4Wiring Diagram 22
When to choose the FPSE
When to choose the FPD 5TroubleshootingIndex 23
PartsList 40
Venting Installation
Interior clearances FPS, FPSE, FPD 6FPSE & FPD 40 -50
Exteriorclearances FPS, FPSE 7Sequence of Operation 42
8Wiring Diagram 43
Exterior clearances FPD
9TroubleshootingIndex 44
Condensation
PartsList 66
10
Sealing the vent
Horizontal Length Calc. FPS,FPSE 11 FPS 75
VerticalLength Calc. FPS, FPSE 12 Sequence of Operation 68
13 69
Horizontal Length Calc. FPD
Vertical Length Calc. FPD 14
Wiring Diagram
Troubleshooting 70
PartsList 94
Down Length Calc. FPD 15
Part Infom1ation 96
Air for Combustion
Service Checklist 97
Checking the draft 16
17 General Q & A 99
Additional Problems
19
Negative Pressure
Make-up Air 20

FPS/FPSE/FPDTECHNICALTRAININGAND SERVICEWORKBOOK
CHOOSING THE BEST WATER HEATER
Technical Information
Irving, Texas
3
@1995
A.D.Smith
Water Products Co.

FPS/FPSE/FPDTECHNICAL TRAINING AND SERVICE WORKBOOK
CHOOSING THE BEST WATER HEATER cant.

FPS/FPSE/FPD TECHNICAL TRAINING AND SERVICE WORKBOOK
CHOOSING THE BEST WATER HEATER cant.

FPS/FPSE/FPD TECHNICAL TRAINING AND SERVICE WORKBOOK
VENTING INSTALLATION

FPS/FPSE/FPD TECHNICAL TRAINING AND SERVICE WORKBOOK
VENTING INSTALLATION cant.
Exterior installation clearance requirements are crucial and must be met to ensure
compliance with all safety and code requirements. If all clearances cannot be
met, do not unpack the heater.
Exterior
Clearances:
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' to the side of any
Side of door or window - 4' gable, dormer, or roof structure
Above door or window - l' with building interior access.
Below a window - 4' l' above snow level.
Above public walkway - 7'
Above ground or snow level -1'
Air intake to a living space - 3' above if air intake is within 10'

FPS/FPSE/FPD TECHNICAL TRAINING AND SERVICE WORKBOOK
VENTING INSTALLATION cant.
Exterior installation clearance requirements are crucial and must be met to ensure
compliance with all safety and code requirements. If all clearances cannot be
met, do not unpack the heater.
Exterior
Clearances:
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 of any
Side of door or window - 9" gable, dormer, roof structure
Above door of window - 9" with building interior access.
Above public walkway - 7' l' above snow level.
Above ground or snow level -1'
Air intake to a living space - 3' above if air intake is within 10'
@1995
A.D. Smith
Water ProductsCo. Technical Information
IrvinQ.Texas
8

FPS/FPSE/FPD TECHNICAL TRAINING AND SERVICE WORKBOOK
VENTING INSTAllATION cant.