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RESIDENTIAL GAS WATER HEATERS
OWNER'S MANUAL
Thank you for buying this energy efficient water heater from Power Vented Gas Models
A.O. Smith Water Products Company. We appreciate your
confidence in our products.
GPSH/GPCR
You should thoroughly read this manual before installation
and/or operation of this water heater. Please pay particular with Hot Surface Ignition
attention to the important safety and operating instructions as
well as the WARNINGS and CAUTIONS.
TABLE OF CONTENTS
PAGE
GE
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GET TO KNOW YOUR WATER HEATER REPLACEMENT PARTS AND DELIMING PRODUCTS (A) Vent Pipe - Exhaust (O) Flue Baffle Assembly** (P) Insulation (B) Vent Terminal (C) Vent Adapter-Rubber Boot (Q) Control Harness Replacement parts and recommended delimer may be ordered (D) Blower Assembly (R) Rating Plate through authorized servicers or distributors. Refer to the Yellow (S) Gas Supply (E) Cold Water Inlet Pages for where to call. When ordering parts, provide complete (F) Inlet Water Shut-off Valve (T)
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then call your gas supplier or service agent. Keep area clear until a service call has been made. GENERAL SAFETY INFORMATION 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 EXTERNAL DAMAGE gas its distinctive smell. Another cause can be your physical condition, such as having a cold or a diminishing sense of smell Do not operate the water heater until it has been fully checked with age. For these reasons, th
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AIR REQUIREMENTS INSTALLATION Dilution air temperature must be 100°F or less. In calculating the free area of a vent opening, the blocking effect of screens, louvers and grills should be considered. Screens shall not be of a mesh REQUIRED ABILITY smaller than 1/4 inch square. If the free area is not known, the current edition of National Fuel Gas Code ANSI Z223.1/NFPA 54 INSTALLATION OR SERVICE OF THIS WATER HEATER recommends using figures of 20-25 percent free area for wood REQUIRES ABILITY
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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. When such locations cannot be avoided, a suitable drain pan should be installed under the heater, see fig. 1. The pan should have a minimum length and width of at least 2 inches greater than the diameter of the heater and should be piped to an adequat
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To prevent damage, care must be taken not to apply too much IMPORTANT torque when attaching gas supply pipe to gas valve inlet. The The vent system must terminate so that proper clearances are thermostat inlet has a pad for use with back up wrench. maintained as cited in local codes or the current edition of the National Fuel Gas Code, ANSI Z223.1/NFPA 54, 7.3.4e and 7.8a,b, Apply joint compounds (pipe dope) sparingly and only to the as follows: male threads of pipe joints. Do not apply compou
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WARNING VENT HOOD(S) MAY BE EXTREMELY HOT DURING OPERATION FIGURE 3 The wall plate is supplied for decorative purposes only and is 3. A) MASONRY SIDE WALLS not a requirement for the vent termination (if not needed by the Chisel an opening approximately one half inch larger than the installer). marked circle. SEQUENCE OF INSTALLATION B) WOODEN SIDE WALLS Drill a pilot hole approximately one quarter inch outside of the 1. The Power Vent Models come with the blower assembly marked circle. This
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Do not plug in power cord until vent system is completely d.) Splice field wiring into existing wiring using code installed. The Power Vent operates on 110-120 Vac, therefore authorized method (wire nuts, etc.). a grounded outlet must be within reach of the six (6) foot flexible power cord supplied with the unit (see fig. 1). The e.) Be certain that neutral and line connections are not power cord supplied may be used only where local codes reversed when making these connections. permit. If loca
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TABLE FOR VENT PIPE LENGTH TWO (2) INCH DIAMETER PIPE **Number of 90° Elbows **Number of 45° Elbows Minimum Pipe Maximum Pipe One (1) None 2 Ft. 30 Ft. One (1) One (1) 1 Ft. 27.5 Ft. Two (2) None 1 Ft. 25 Ft. Two (2) One (1) 1 Ft. 22.5 Ft. Three (3) None 1 Ft. 20 Ft. Three (3) One (1) 1 Ft. 17.5 Ft. Four (4) None 1 Ft. 15 Ft. Four (4) One (1) 1 Ft. 12.5 Ft. THREE (3) INCH DIAMETER PIPE ** Number of 90° Elbows **Number of 45° Elbows Minimum Pipe Maximum Pipe One (1) None 2 Ft. 75 Ft. One (1
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C. Know the reputation of your manufacturer and their VERTICAL VENT THROUGH ROOF products. This unit is approved for venting through the roof with the type D. Know your own qualifications or those of your contractor. vent terminal that is included with the unit. A proper flashing or The solvent welding technique of joining PVC and CPVC “BOOT” should be used to seal the pipe where it exits the roof. pipe is a specialized skill just as any other pipe fitting technique. The total vent system shoul
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D. Inspection, cleaning, priming RECOMMENDED BRUSH* SIZE FOR PRIMER Visually inspect the inside of the pipe and fitting sockets and AND CEMENT APPLICATIONS remove all dirt, grease or moisture with a clean dry rag. If Nominal Pipe Size Brush Width wiping fails to clean the surfaces, a chemical cleaner must (IPS) (INS.) be used. Check for possible damage such as splits or cracks 2 1-1/2 and replace if necessary. 3 1-1/2 - 2-1/2 Depth-of-entry *USE ONLY NATURAL BRISTLE Marking the depth of entry
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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. Exact drying time is difficult to predict because it depends on variables such as temperature, humidity and cement integrity. For more specific information, you should contact your solvent cem
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FOR YOUR SAFETY READ BEFORE OPERATING WARNING: If you do not follow these instructions exactly, a fire or 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 • If you cannot reach your gas supplier, call the fire with an ignition device which automatically lights department. the burner. Do NOT try to light the burner by han
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To avoid any unintentional changes in water temperature settings, TEMPERATURE REGULATION the control has a tamper resistant feature for changing the temperature setting. To change the temperature setting follow these instructions: 1. “Wake Up” the temperature indicators by holding down both “COOLER” and “HOTTER” temperature adjustment buttons at the same time for one second (See Figure 9). One or two of the temperature indicators will light up. These indicators will only remain on for 30 seconds
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WATER HEATING IGNITION SEQUENCE CONTROL SEQUENCE - HOT SURFACE DIRECT IGNITION (Make sure gas and electric power are connected properly) Pre-purge 5 seconds. HSI Warm-up 20 seconds. 1) The ignition control module is powered and monitors the Ignition Activation Period 4 seconds. system, waiting for a call for heat from the thermostat. Flame Recognition Period 1 second. Ignition Trial 4 seconds. 2) The thermostat calls for heat by reading a resistance value Interpurge 5 seconds. within a given ran
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VENTING SYSTEM • Turn off the gas and cold water inlet valve to the heater. • Open a nearby hot water faucet and the heater drain valve. HAVE VENTING SYSTEM CHECKED EVERY SIX MONTHS FOR OBSTRUCTIONS AND/OR DETERIORATION IN VENT PIPING. • BE CAREFUL TO GRASP THE DRAIN VALVE HANDLE SO THAT THE HAND IS NOT EXPOSED TO HOT WATER. IF BLOWER ASSEMBLY MAINTENANCE DESIRED, A HOSE MAY BE CONNECTED TO THE DRAIN VALVE TO CARRY THE WATER AWAY . CAUTION The air flow restrictor screen on the inlet side of t
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WARNING: DO NOT BY-PASS ANY CONTROLS TO MAKE HEATER OPERATE. OPERATE ONLY AS WIRED FROM FACTORY. TROUBLE SHOOTING 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. PROBLEM SOLUTION LED STATUS An open earth ground circuit to the 1. Check that the earth ground connection is ignition system. properly connected. A B C 2. Check that the ground conductor on the w
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TROUBLE SHOOTING (Continued) PROBLEM CAUSE SOLUTION 1) Blower will not run. A) “ON/OFF” control switch turned off. Turn switch to the “ON” position. B) Blower unplugged. Plug blower back into 115 Vac. outlet. C) No power at outlet. Repair service to outlet. D) Thermostat defective. Replace thermostat. E) Control harness defective. Replace control harness. F) High limit control circuit open. Replace thermostat. NOT ENOUGH G) Blower motor defective. Replace Blower Assembly. HOT WATER Thermostat pr
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LIMITED RESIDENTIAL GAS WARRANTY THIS WARRANTY IS APPLICABLE TO THE ORIGINAL OWNER a. Labor charges for service, removal, or reinstallation of the ONLY. If the glass lined tank in this water heater shall prove upon water heater or part thereof. examination by A. O. Smith Corporation (the warrantor) to have b. Shipping and delivery charges for forwarding the new water leaked during the warranty period in normal residential use, due heater or replacement part from the nearest distributor and to
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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 20
