Instruction/ maintenance manual of the product FPSH - 75 A.O. Smith
Go to page of 20
1 PRINTED IN U.S.A. 0703 P ART NO. 195785-000 GAS MODELS FPSH - 75 270 Series with Hot Surface Ignition Thank you for buying this energy efficient water heater from A.O. Smith W ater Products Company . We appreciate your confidence in our products. Y ou should thoroughly read this manual before installation and/ or operation of this water heater .
2 *CAUTION HARNESS HAS 120 V AC. IN OPERA TION FIGURE 1 REPLACEMENT P ARTS AND DELIMING PRODUCTS Replacement parts and recommended delimer may be ordered through authorized servicers or distributors. Refer to the Y ellow Pages for your A. O. Smith plumber or contact the A.
3 GENERAL SAFETY INFORMA TION 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 .
4 • Do not cover the instruction manual. Keep it on the side of the water heater or nearby for future reference. • Do obtain new warning and instruction labels from A.
5 CONFINED SP ACE When drawing combustion and dilution air from inside a conventionally constructed building to a confined space, such a space shall be provided with two permanent openings. ONE WITHIN 12 INCHES OF THE ENCLOSURE TOP AND ONE WITHIN 12 INCHES OF THE ENCLOSURE BOTTOM.
6 REFER TO FIG . 1 FOR CONNECTION DET AILS. BEFORE A T T ACHING THE GAS LINE BE SURE THA T ALL GAS PIPE IS CLEAN ON THE INSIDE. T O TRAP A NY DIRT OR FOREIGN MA TERIAL IN THE GAS SUPPL Y LINE, A DIRT LEG (SOMETIMES CALLED DRIP LEG) MUST BE INCORPORA TED IN THE PIPING , FIG .
7 BETWEEN THE RELIEF V AL VE AND T ANK. DO NOT PLUG THE RELIEF V AL VE. The drain line connected to this valve must not contain a reducing coupling or other restriction and must terminate near a suitable drain to prevent water damage during valve operation.
8 NOTE: This unit can be vented using only PVC (Class 160, ASTM D-2241; Schedule 40, ASTM D-1785; or Cellular Core Schedule 40 DWV , ASTM F-891), Schedule 40 CPVC/ASTM F-441), or ABS/ASTM D-2661) pipe.
9 3. Make sure that plastic tubing is still attached to the pressure switch and fan housing. Also make sure that wiring connector from motor to control box is securely attached.
10 INST ALLA TION OF VENT SYSTEM, SIDEW ALL With the route of the venting system and selection of materials completed, as discussed in section of this manual titled PLANNING THE VENT SYSTEM, the throu.
11 2. SELECTION OF MA TERIALS • Cutting Device - Saw or Pipe Cutter • Deburring T ool, Knife, File, or Beveling Machine (2" and above) • Brush - Pure Bristle • Rag - Cotton (Not Synthetic.
12 STEP E NOTE: Cans of cement and primer should be closed at all times when not in use to prevent evaporation of chemicals and hardening of cement. They are also very flammable and should be kept away from heat or flame.
13 FOR YOUR SAFETY READ BEFORE OPERA TING W ARNING: If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life. BEFORE OPERA TING: ENTIRE SYSTEM MUST BE FILLED WITH WA TER AND AIR PURGED FROM ALL LINES.
14 TEMPERA TURE REGULA TION CAUTION THIS WA TER HEA TER IS EQUIPPED WITH AN ADJUST ABLE THERMOST A T TO CONTROL WA TER TEMPERA TURE. HOT W A TER TEMPERA TURES REQUIRED FOR AU T OMA TIC DISHW ASHER AND LAUNDRY USE CAN CAUSE P AINFUL SCALDING WITH POSSIBLE SERIOUS AND PERMANENT INJURY .
15 SERVICE SHOULD BE PERFORMED ONL Y BY A QUALIFIED SERVICE TECHNICIAN. READ THE GENERAL SAFETY INFORMA TION SECTION FIRST . USERS OF THIS APPLIANCE SHOULD BE A W ARE THA T GA S COMPONENTS WEAR OUT OVER A PERIOD OF TIME.
16 If the heater is to be shut off and exposed to freezing temperatures, it must be drained. Water , if left in the tank and allowed to freeze, will damage the heater . • T urn off the gas and cold water inlet valve to the heater. • Open a nearby hot water faucet and the heater drain valve.
17 TROUBLESHOOTING For your safety , water heater service should be performed only by a qualified service technician. Read the GENERAL SAFETY INFORMA TION section first. W ARNING: DO NOT BY -P ASS ANY CONTROLS T O MAKE HEA TER OPERA TE. OPERA TE ONL Y AS WIRED FROM F ACTO R Y .
18 W A TER HEA TER CONTROL PROBLEM SOLUTION An open earth ground circuit to the 1. Check that the earth ground connection is ignition system. properly connected. 2. Check that the ground conductor on the water heater is properly connected. Wiring error or a high resistance to 1.
19 LIMITED RESIDENTIAL GAS W ARRANTY b. Shipping and delivery charges for forwarding the new water heater or replacement part from the nearest distributor and returning the claimed defective heater or part to such distributor except in the state of California where such charges are the manufacturer’s responsibility .
20 A.O. SMITH WATER PRODUCTS CO., INC. 5621 W. 115TH STREET • ALSIP, ILLINOIS 60803 PHONE: 1-800-433-2545 • FAX: 1-800-433-2515 www.hotwater.com • E-MAIL: parts@hotwater.
An important point after buying a device A.O. Smith FPSH - 75 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought A.O. Smith FPSH - 75 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data A.O. Smith FPSH - 75 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, A.O. Smith FPSH - 75 you will learn all the available features of the product, as well as information on its operation. The information that you get A.O. Smith FPSH - 75 will certainly help you make a decision on the purchase.
If you already are a holder of A.O. Smith FPSH - 75, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime A.O. Smith FPSH - 75.
However, one of the most important roles played by the user manual is to help in solving problems with A.O. Smith FPSH - 75. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device A.O. Smith FPSH - 75 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center