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A.O. Smith GPCR Owner's Manual

A.o. smith owner's manual gas water heater gpsh, gpcr
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RESIDENTIAL
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 WARNINGS and CAUTIONS.
KEEP THIS MANUAL IN THE POCKET ON THE HEATER FOR FUTURE REFERENCE
WHENEVER MAINTENANCE ADJUSTMENT OR SERVICE IS REQUIRED.
PRINTED IN U.S.A. 0605
GAS WATER HEATERS
Power Vented Gas Models
GPSH/GPCR
with Hot Surface Ignition

TABLE OF CONTENTS

TEXT PRINTED OR OUTLINED IN RED CONTAINS
INFORMATION RELATIVE TO YOUR SAFETY. PLEASE READ
THOROUGHLY BEFORE INSTALLING AND USING THIS
APPLIANCE.
A DIVISION OF A.O. SMITH CORPORATION
MCBEE, SOUTH CAROLINA
1
OWNER'S MANUAL
CAUTION
www.hotwater.com
PART NO. 185171-001
PAGE
2
3
4-12
12-15
15-16
17-18
19

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  • Page 1: Table Of Contents

    RESIDENTIAL 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 WARNINGS and CAUTIONS.

  • Page 2: Get To Know Your Water Heater

    REPLACEMENT PARTS AND DELIMING PRODUCTS Replacement parts and recommended delimer may be ordered through authorized servicers or distributors. Refer to the Yellow Pages for where to call. When ordering parts, provide complete model and serial numbers (see rating plate), quantity and name of part desired (as listed in Figure 1).

  • Page 3: General Safety Information

    GENERAL SAFETY INFORMATION EXTERNAL DAMAGE Do not operate the water heater until it has been fully checked out by a qualified technician, if the water heater: • Has been exposed to fire or damage. • Displays evidence of sooting. • Produces steam or unusually hot water. If the water heater has been flooded it must be replaced.

  • Page 4: Installation

    INSTALLATION REQUIRED ABILITY INSTALLATION OR SERVICE OF THIS WATER HEATER REQUIRES ABILITY EQUIVALENT TO THAT OF A LICENSED TRADESMAN IN THE FIELD INVOLVED. PLUMBING, AIR SUPPLY, VENTING AND GAS SUPPLY ARE REQUIRED. GENERAL The installation must conform to these instructions and the local code authority having jurisdiction.
  • Page 5 CAUTION In cold climates provide protection against freeze-up. THE HEATER SHOULD BE LOCATED IN AN AREA WHERE LEAKAGE OF THE TANK OR CONNECTIONS WILL NOT RESULT IN DAMAGE TO THE AREA ADJACENT TO THE HEATER OR TO LOWER FLOORS OF THE STRUCTURE. cannot be avoided, a suitable drain pan should be installed under the heater, see fig.
  • Page 6 To prevent damage, care must be taken not to apply too much torque when attaching gas supply pipe to gas valve inlet. The thermostat inlet has a pad for use with back up wrench. Apply joint compounds (pipe dope) sparingly and only to the male threads of pipe joints.
  • Page 7 WARNING VENT HOOD(S) MAY BE EXTREMELY HOT DURING OPERATION 3. A) MASONRY SIDE WALLS Chisel an opening approximately one half inch larger than the marked circle. B) WOODEN SIDE WALLS Drill a pilot hole approximately one quarter inch outside of the marked circle.
  • Page 8 Do not plug in power cord until vent system is completely installed. The Power Vent operates on 110-120 Vac, therefore a grounded outlet must be within reach of the six (6) foot flexible power cord supplied with the unit (see fig. 1). The power cord supplied may be used only where local codes permit.
  • Page 9 **Number of 90° Elbows One (1) One (1) Two (2) Two (2) Three (3) Three (3) Four (4) Four (4) ** Number of 90° Elbows One (1) One (1) Two (2) Two (2) Three (3) Three (3) Four (4) Four (4) ***Five (5) ***Five (5) ***Six (6)
  • Page 10 VERTICAL VENT THROUGH ROOF This unit is approved for venting through the roof with the type vent terminal that is included with the unit. A proper flashing or “BOOT” should be used to seal the pipe where it exits the roof. The total vent system should not exceed that which is specified in the table on page 9.
  • Page 11 RECOMMENDED BRUSH* SIZE FOR PRIMER AND CEMENT APPLICATIONS Nominal Pipe Size Brush Width (IPS) *USE ONLY NATURAL BRISTLE 3. MAKING THE JOINT 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.

  • Page 12: Operation & Lighting Instructions

    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 of the joint.

  • Page 13: For Your Safety Read Before Operating

    FOR YOUR SAFETY READ BEFORE OPERATING WARNING: explosion may result causing property damage, personal injury or loss of life. BEFORE OPERATING: ENTIRE SYSTEM MUST BE FILLED WITH WATER AND AIR PURGED FROM ALL LINES. A. This appliance does not have a pilot. It is equipped with an ignition device which automatically lights the burner.
  • Page 14 TEMPERATURE REGULATION WARNING THIS WATER HEATER IS EQUIPPED WITH AN ADJUSTABLE THERMOSTAT TO CONTROL WATER TEMPERATURE. HOT WATER TEMPERATURES REQUIRED FOR AUTOMATIC DISHWASHER AND LAUNDRY USE CAN CAUSE PAINFUL SCALDING WITH POSSIBLE SERIOUS AND PERMANENT INJURY. THE TEMPERATURE AT WHICH INJURY OCCURS VARIES WITH THE PERSON'S AGE AND THE TIME OF EXPOSURE.

  • Page 15: Maintenance

    WATER HEATING IGNITION SEQUENCE (Make sure gas and electric power are connected properly) 1) The ignition control module is powered and monitors the system, waiting for a call for heat from the thermostat. 2) The thermostat calls for heat by reading a resistance value within a given range directly proportional to water temperature.
  • Page 16 VENTING SYSTEM HAVE VENTING SYSTEM CHECKED EVERY SIX MONTHS FOR OBSTRUCTIONS AND/OR DETERIORATION IN VENT PIPING. BLOWER ASSEMBLY MAINTENANCE CAUTION The air flow restrictor screen on the inlet side of the blower unit should be checked periodically for any accumulation of dust and lint.

  • Page 17: Troubleshooting

    WARNING: DO NOT BY-PASS ANY CONTROLS TO MAKE HEATER OPERATE. Please check guidelines below. For your safety, water heater service should be performed only by a qualified service technician. Read the GENERAL SAFETY INFORMATION section first. LED STATUS An open earth ground circuit to the ignition system.
  • Page 18 PROBLEM 1) Blower will not run. A) “ON/OFF” control switch turned off. B) Blower unplugged. C) No power at outlet. D) Thermostat defective. E) Control harness defective. F) High limit control circuit open. NOT ENOUGH G) Blower motor defective. HOT WATER Thermostat problems.

  • Page 19: Warranty

    MODEL TANK GPSH 6 YEARS GPCR 6 YEARS When the water heater has been used for other than single family residential application: 1. The tank warranty shall be reduced to 1 year. 2. The parts warranty shall be reduced to 1 year for all models.
  • Page 20 REPLACEMENT PARTS 5621 W. 115TH STREET, ALSIP, IL 60803 PHONE: 1-800-433-2545 FAX: 1-800-433-2515 www.hotwater.com E-mail: parts@hotwater.com...

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