A.O. Smith BTF-80 Manual

Other manuals for BTF-80: Replacement Parts List
Manual is about: COMMERCIAL POWER VENT GAS WATER HEATER with Hot Surface Ignition

Summary of BTF-80

  • Page 1

    1 printed in u.S.A. 0406 part no. 197440-000 thank you for buying this 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 saf...

  • Page 2

    2 rough-in-dimensions foreword the design of model btf-80 complies with the current version of ansi z21.10.3/csa 4.3 as automatic storage or automatic circulating tank type water heaters. Installation diagrams are found in this manual. These diagrams will serve to provide the installer with a refere...

  • Page 3

    3 (a) vent pipe (b) anode (c) hot water outlet (d) outlet (120 vac) (e) flue baffle (f) gas supply (g) main manual gas shut off valve (h) ground joint union (j) dirt leg (k) outer door (l) union (m) inlet water shut off valve (n) cold water inlet *caution harness has 115 vac. In operation figure 1 r...

  • Page 4

    4 lp gas must be used with great caution. It is highly explosive and heavier than air. It collects first in the low areas making its odor difficult to detect at nose level. If lp gas is present or even suspected, do not attempt to find the cause yourself. Go to a neighbor's house, leaving your doors...

  • Page 5

    5 • 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 for placement on the blanket directly over the existing labels. • do inspect the insulation blanket frequently to make certain it does not s...

  • Page 6

    6 water connections refer to figure 1 for typical installation. A suitable pipe thread sealant must be used to prevent leakage.\ water (potable) heating and space heating 1. All piping components connected to this unit for space heating applications shall be suitable for use with potable water. 2. T...

  • Page 7

    7 figure 3 warning vent hood(s) may be extremely hot during operation. U.S. Horizontal vent clearances canadian horizontal vent clearances.

  • Page 8

    8 may cause improper operation, fire or explosion. All piping must comply with local codes and ordinances or with the national fuel gas code nfpa 70 or the natural gas and propane installation code can/csa b149.1, whichever applies. Refer to figure 1 for connection details. Before attaching the gas ...

  • Page 9

    9 gas code, ansi z223.1/nfpa 54 or the natural gas and propane installation code can/csa b149.1. Planning the vent system plan the route of the vent system from the discharge of the blower to the planned location of the vent terminal. 1. Layout the total vent system to use a minimum of vent pipe and...

  • Page 10

    10 3/8" drain hose can be connected 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 heater, make sure the removable cap is installed on the drain port...

  • Page 11

    11 power vent wiring schematic - figure 7 caution label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and dangerous operation. Verify proper operation after servicing..

  • Page 12

    12 5. The blower discharge boot is made to accept only straight sections of 3" pipe. To start off with an elbow, a short section of the furnished pipe, a minimum of 2 inches (5.1 cm), must be cut and glued into the end of the elbow that will mount on the discharge boot (see figure 6). Installation o...

  • Page 13

    13 f. Contact the manufacturer, supplier, or competent consulting agency if you have any questions about the application or installation of pvc and cpvc pipe. G. Take the time and effort to do a professional job. Shortcuts will only cause you problems and delays in start-up. By far, the majority of ...

  • Page 14

    14 apply primer to the surface of the pipe and fitting socket with a natural bristle brush (see chart). This process softens and prepares the pvc or cpvc for the solvent cementing step. Move quickly and without hesitation to the cementing procedure while the surfaces are still wet with primer. E. Ap...

  • Page 15

    15 5. This appliance is equipped with a device which automatically lights the burner. Do not try to light the burner by hand. 6. Wait five (5) minutes to clear out any gas. If you then smell gas, stop! Follow "b" in the safety information above on this label. If you don't smell gas, go to the next s...

  • Page 16

    16 1. "wake up" the temperature indicators by holding down both the "cooler" and "hotter" temperature adjustment buttons at the same time for one second (see figure 10). One or two of the temperature indicators will light up. These indicators will only remain on for 30 seconds if no further buttons ...

  • Page 17

    17 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 periodically by a qualified service technician. Main burner check main burner every 12 months for proper flame charact...

  • Page 18

    18 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...

  • Page 19

    19 trouble shooting 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”...

  • Page 20

    20 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 connection of line earth gr...

  • Page 21

    21 notes:.

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    22 notes:.

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    23 notes:.

  • Page 24

    24 a. O. Smith corporation, the warrantor, extends the following limited warranty to the owner of this water heater. 1. The tank if the glass-lined tank in this water heater shall prove upon examination by the warrantor to have leaked due to natural corrosion from potable water therein, during the f...