A.O. Smith GPS-75 Owner'S Manual Download Page 1

Page: 1 / 20

PRINTED IN U.S.A. 0805

PART NO. 197209-000

GAS MODELS

Power Vent

GPS-75

with Hot Surface Ignition

Thank you for buying this A. O. Smith energy efficient water
heater. 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 WARNINGS and CAUTIONS.

CAUTION

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

GAS WATER HEATERS

OWNER'S MANUAL

GET TO KNOW YOUR WATER HEATER

GENERAL SAFETY INFORMATION

3-4

INSTALLATION

4-12

OPERATION

12-14

MAINTENANCE AND
TROUBLESHOOTING

14-17

TROUBLESHOOTING WITH THE LEDs

WARRANTY

TABLE OF CONTENTS

PAGE

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

WHENEVER MAINTENANCE ADJUSTMENT OR SERVICE IS REQUIRED.

A DIVISION OF A. O. SMITH CORPORATION

www.hotwater.com

RESIDENTIAL

Summary of Contents for GPS-75

Page 1: ...as well as the WARNINGS and CAUTIONS CAUTION TEXT PRINTED OR OUTLINED IN RED CONTAINS INFORMATION RELATIVE TO YOUR SAFETY PLEASE READ THOROUGHLY BEFORE INSTALLINGAND USING THISAPPLIANCE GAS WATER HEA...

Page 2: ...manufacturer by calling 1 800 821 2017 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 b...

Page 3: ...to find 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 ti...

Page 4: ...e clearance for servicing this appliance should be considered before installation such as changing the anodes etc Minimum clearances for proper operation are given above WARNING In cold climates provi...

Page 5: ...micals such as those used for boiler treatment shall NEVER be introduced into this system 3 This unit may NEVER be connected to any existing heating system or component s previously used with a non po...

Page 6: ...ns in this manual or on water heater With main burner in operation paint pipe joints including flanges and control inlet and outlet with rich soap and water solution Bubbles indicate gas leak To stop...

Page 7: ...ower vented appliances are classified by building codes as vent connectors Required clearances from combustible materials must be provided in accordance with information in this manual under LOCATION...

Page 8: ...to the built in drain port of the rubber boot on the blower assembly For your convenience the rubber boot is supplied with a removable cap on the built in drain port Prior to operating the water heat...

Page 9: ...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 connections G Ground h...

Page 10: ...be supported every 5 feet of vertical run and every 3 feet of horizontal run All piping and fittings must be joined by the proper procedures as described under VENT PIPE PREPARATION FIGURE9 IMPORTANT...

Page 11: ...type of cutter is used the flare on the end must be completely removed STEP A NOTE Power saws should be specifically designed to cut plastic pipe B Deburring Use a knife plastic pipe deburring tool or...

Page 12: ...ld not be disturbed immediately after the cementing procedure and sufficient time should be allowed for proper curing of the joint Exact drying time is difficult to predict because it depends on varia...

Page 13: ...LER and HOTTER buttons together and holding for 1 second Then press the COOLER button until the WARM indicator light appears 2 Set the ON OFF switch on the blower control box to the OFF position 3 Tur...

Page 14: ...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 attac...

Page 15: ...t if necessary to keep burner in operation C CHECKINGTHE DRAFT Operate the water heater for several minutes and check to see if it is venting properly by passing a lit match or paper near the opening...

Page 16: ...d above If you are having a problem with your water heater before calling for service please refer to the following TROUBLESHOOTING sections If service becomes necessary contact your dealer installer...

Page 17: ...lower back into 115 vac outlet Repair service to outlet Replace switch Replace control harness Replace blower and motor Replace switch Check for low voltage less than 102 vac have service checked and...

Page 18: ...water heater off for 10 seconds and then back on 2 Replace gas control valve Problem with the internal circuit 1 Turn power to the water heater off for 10 seconds and then back on 2 Replace gas contr...

Page 19: ...NDLABORRESPONSIBILITY UNDER THIS LIMITED WARRANTY THE WARRANTOR WILL PROVIDE ONLYAREPLACEMENTWATERHEATERORPARTTHEREOF THEOWNER IS RESPONSIBLE FOR ALLOTHER COSTS Such costs may include but are not limi...

Page 20: ...20 A O SMITH WATER PRODUCTS CO INC 500 Tennessee Waltz Parkway Ashland City TN 37015 Phone 1 800 821 2017 Website www hotwater com...

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