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PRINTED IN U.S.A. 2585 400

                   PART NO. 194219-000

GAS MODELS

FPSE - 75

with Hot Surface Ignition

and SmartValve

®

Thank you for buying this energy efficient water heater from A.O.
Smith Water Products Company.  We appreciate your
confidence in our products.

You should thoroughly read this manual before installation and/
or operation of this water heater.  Please pay particular attention
to the important safety and operating instructions as well as
the WARNING and CAUTIONS.

  

CAUTION

TEXT PRINTED OR OUTLINED IN RED CONTAINS
INFORMATION RELATIVE TO YOUR SAFETY.
PLEASE READ THOROUGHLY BEFORE
INSTALLING AND USING THIS APPLIANCE.

RESIDENTIAL  

GAS WATER HEATERS

OWNER'S MANUAL

A DIVISION OF A.O. SMITH CORPORATION

McBee, South Carolina U.S.A.

www.hotwater.com

GET TO KNOW YOUR WATER HEATER

 2

GENERAL SAFETY INFORMATION

3-4

INSTALLATION

4 -12

OPERATION

12 -14

MAINTENANCE AND
TROUBLESHOOTING

 14 -17

TROUBLESHOOTING WITH THE  LED

18

SMARTVALVE

®

TROUBLESHOOTING GUIDE

19

WARRANTY

20

TABLE OF CONTENTS

PAGE

KEEP THIS MANUAL IN THE POCKET ON THE HEATER FOR FUTURE REFERENCE

WHENEVER MAINTENANCE ADJUSTMENT OR SERVICE IS REQUIRED.

® SmartValve is a Registered Trademark of Honeywell Inc.

Содержание FPSE-75

Страница 1: ...XT PRINTED OR OUTLINED IN RED CONTAINS INFORMATION RELATIVE TO YOUR SAFETY PLEASE READ THOROUGHLY BEFORE INSTALLING AND USING THIS APPLIANCE RESIDENTIAL GAS WATER HEATERS OWNER SMANUAL A DIVISION OF A O SMITH CORPORATION McBee South Carolina U S A www hotwater com GET TO KNOW YOUR WATER HEATER 2 GENERAL SAFETY INFORMATION 3 4 INSTALLATION 4 12 OPERATION 12 14 MAINTENANCE AND TROUBLESHOOTING 14 17 ...

Страница 2: ...he Yellow Pages for your A O Smith plumber or contact the A O Smith Water Products Company 5621 W 115th Street Alsip IL 60803 1 800 433 2545 When ordering parts provide complete model and serial numbers see rating plate quantity and name of part desired as listed in fig 1 Standard hardware items may be purchased locally FPSE 75 with Hot Surface Ignition SmartValve VACUUM RELIEF VALVE INSTALL PER L...

Страница 3: ...ind the cause yourself Go to a neighbor s house leaving your doors open to ventilate the house then call your gas supplier or service agent Keep area clear until a service call has been made At times you may not be able to smell an LP gas leak One cause is odor fade which is a loss of the chemical odorant that gives LP gas its distinctive smell Another cause can be your physical condition such as ...

Страница 4: ...g minimum clearances from combustible material of 2 clearance from sides and rear 6 from the front and 24 from the top Standard clearance If clearances stated on the heater differ from standard clearances install water heater according to clearances stated on heater A minimum clearance of 4 must be allowed for access to replaceable parts such as the thermostats drain valve and relief valve A top c...

Страница 5: ... higher than required for domestic water purposes a tempering valve must be installed Please refer to Fig 2 for suggested piping arrangement FIGURE2 CLOSED WATER SYSTEM A closed system will exist if a back flow preventer check valve pressure reducing valve or other similar device is installed in the cold water line between the water heater and the street main or well Excessive pressure may develop...

Страница 6: ...erating main burner Bubbles indicate gas leak To stop leak tighten pipe connections After piping connections are checked turn on main burner With main burner in operation paint pipe joints including flanges pilot gas tubing connections and control inlet and outlet with rich soap and water solution Bubbles indicate gas leak To stop leak tighten flange screws joints and pipe connections Replace part...

Страница 7: ...h information in this manual under LOCATION OF HEATER and VENT TERMINAL INSTALLATIONS and with the National Fuel Gas Code and local codes PLANNING THE VENT SYSTEM Plan the route of the vent system from the discharge of the blower to the planned location of the vent terminal 1 Layout the total vent system to use a minimum of vent pipe and elbows Take into consideration that an elbow will be necessa...

Страница 8: ... the Vent Terminal is being installed on the outside of a finished wall it may be easier to mark both the inside and outside wall Align the holes by drilling a hole through the center of the template from the inside through to the outside The template can now be positioned on the outside wall using the drilled hole as a centering point for the template 3 A MASONRY SIDE WALLS Chisel an opening appr...

Страница 9: ...e of control box as close to inside wall as possible C If flexible cord and strain relief are removed then opening in box must be covered D Remove plastic cap in top of control box and install suitable conduit fitting in enclosure E Splice field wiring into existing wiring using code authorized method wire nuts etc F Be certain that neutral and line connections are not reversed when making these c...

Страница 10: ...roof with only the vent terminal that is included with the unit see Figure 9 A proper flashing or BOOT should be used to seal the pipe where it exits the roof The total vent system should not exceed the thirty 30 equivalent feet of 3 inch pipe or sixty 60 equivalent feet of 4 inch pipe as listed in Table 1 NOTE The equivalent feet of pipe listed above are exclusive of the TEE termination with inst...

Страница 11: ...ELY FLAMMABLE AND MUST NOT BE STORED OR USED NEAR HEAT OR OPEN FLAME ALSO USE ONLY IN A WELL VENTILATED AREA 3 MAKINGTHEJOINT A Cutting Pipe must be squarely cut to allow for the proper interfacing of the pipe end and the fitting socket bottom This can be accomplished with a miter box saw or wheel type cutter Wheel type cutters are not generally recommended for larger diameters since they tend to ...

Страница 12: ... a tendency to slide back while the cement is still wet so hold the joint together for about 15 seconds STEPG G Cleanup and joint movement Remove all excess cement from around the pipe and fitting with a dry cotton rag This must be done while the cement is still soft The joint should not be disturbed immediately after the cementing procedure and sufficient time should be allowed for proper curing ...

Страница 13: ...ice which automatically lights the burner DO NOT TRY TO LIGHT THE BURNER BY HAND 5 Wait five 5 minutes to clear out any gas If you then smell gas STOP Follow B in the safety information above on this label If you don t smell gas go to the next step 6 Set thermostat to desired setting 7 Turn on all electrical power to the appliance 8 If the appliance will not operate follow the instructions TO TURN...

Страница 14: ...er temperature settings to reduce scald hazards Valves for reducing the point of use temperature by mixing cold and hot water are available See figure 2 Also available are inexpensive devices that attach to faucets to limit hot water temperatures Contact a licensed plumber or the local plumbing authority SHOULD OVERHEATING OCCUR OR THE GAS SUPPLY FAIL TO SHUTOFF TURN OFF THE MAIN MANUAL GAS SHUTOF...

Страница 15: ...y will operate at their full input Repeat step C above POWER VENTER MAINTENANCE The FPSE 75 must be inspected quarterly Points of inspection are 1 MOTOR Motor must rotate freely Oil every three months of operation with 4 drops of SAE 20 oil see fig 12 2 WHEEL Wheel must be clean of soot ash or any other coating which inhibits either rotation or air flow Remove all foreign material from vent system...

Страница 16: ...LESHOOTING sections If service becomes necessary contact your dealer installer or an authorized service agent Do not attempt to repair the water heater yourself Any work performed by authorized personnel may void the warranty If you are having a problem with your A O Smith water heater and are not pleased with the service you received First please contact your dealer or the A O Smith authorized se...

Страница 17: ...switch Replace control harness Replace blower and motor Replace switch Check for low voltage less than 102 vac have service checked and repaired If voltage is above 102 vac make sure there is not more than 30 Equivalent feet of 3 inch pipe or 60 equivalent feet of 4 inch pipe installed or vent terminal blockage If at least 102 vac less than 30 equivalent feet of 3 inch pipe or 60 equivalent feet o...

Страница 18: ... connectors 3 System wiring harness in good condition and securely connected at both ends Not Applicable 1 Replace control 1 Airflow proving switch stuck closed 2 Airflow proving switch miswired or jumpered WARNING Line Voltage Hazard Can cause property damage severe injury or death Turn off appliance before coming in contact with pressure switch and or electrical connections 1 Airflow proving swi...

Страница 19: ...BLOWER WITHIGNITERCABLECONNECTED MEASURE VOLTAGE AT HSI ELEMENT OUTPUT SEE INSET B 120V NOMINAL CHECK DAMAGED OR BROKEN HSI ELEMENT WARNING Line Voltage Hazard Can cause property damage severe injury or death Only a trained experienced service technician should perform this trouble shooting Be certain to avoid contact with pressure switch and or electrical connections REPLACEHSI CHECK ISTHEAPPLIAN...

Страница 20: ...rrantor will furnish the ORIGINAL OWNER a replacement A O Smith water heater of equivalent size and current model or a replacement part for any component part which fails in normal use in accordance with the warranty terms and conditions specified below THE A O SMITH REPLACEMENT MODEL OR PART WILL BE WARRANTED FOR ONLY THE UNEXPIRED PORTION OF THE ORIGINAL WARRANTY The warranty period will be dete...

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