1 printed in u.S.A. 0703 part 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 water products company. We appreciate your confidence in our products. You should thoroughly read this manual before installa...
2 *caution harness has 120 vac. In operation figure 1 replacement parts and deliming products replacement parts and recommended delimer may be ordered through authorized servicers or distributors. Refer to the yellow pages for your a. O. Smith plumber or contact the a. O. Smith water products compan...
3 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...
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.O. Smith for placement on the blanket directly over the existing labels. • do inspect the insulation blanket frequently to make certa...
5 confined space 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. Each opening shall ...
6 refer to fig. 1 for connection details. Before attaching the gas line be sure that all gas pipe is clean on the inside. To trap any dirt or foreign material in the gas supply line, a dirt leg (sometimes called drip leg) must be incorporated in the piping, fig. 1. The dirt leg must be readily acces...
7 between the relief valve and tank. Do not plug the relief valve. 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. The discharge line shall be installed in a mann...
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. The fittings, other than the termination tee should be equivalent to pvc-dwv fittings meeting astm ...
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. 4. Do not plug in power cord until vent system is completely installed. The power vent operates on 120 vac, therefore a gr...
10 installation of vent system, sidewall 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 through the wall vent terminal in place and the first section of piping, up to first elbow, installed at the...
11 2. Selection of materials • cutting device - saw or pipe cutter • deburring tool, knife, file, or beveling machine (2" and above) • brush - pure bristle • rag - cotton (not synthetic) • primer and cleaner • solvent cement - pvc for pvc components and cpvc for cpvc components • containers - metal ...
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. F. Joint assembly working quickly, insert the pipe into the fitting socket bot...
13 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 ...
14 temperature regulation caution 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 ...
15 service should be performed only by a qualified service technician. Read the general safety information section first. Users of this appliance should be aware that gas components wear out over a period of time. The gas carrying components of this appliance should be inspected for proper operation...
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. • turn off the gas and cold water inlet valve to the heater. • open a nearby hot water faucet and the heater drain valve. • be carefu...
17 troubleshooting for your safety, water heater service should be performed only by a qualified service technician. Read the general safety information section first. Warning: do not by-pass any controls to make heater operate. Operate only as wired from factory. 1) blower will not run a ) “on/off”...
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. Check for proper con...
19 limited residential gas warranty 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...
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.Com.
