Bradford White 238-16152-00F manuale d’uso

238 - 16152 - 00F REV 12/03 COMMERCIAL ELECTRIC WATER HEATER La version espanola de estas instrucciones se puede obtener al escribirle a la fábrica cuyo nombre aparece in la placa de especificaciones. A Spanish language version of these instructions is a vailable by contacting the manufacturer listed on the rating plate. THE WARRANTY ON THIS WATER[...]

2 CONGRATULATIONS! You have just purchased one of the finest water heaters on the market toda y! This installation, operation and instruction manual will explain in detail the installation and maintenance of your new Commercial Electric Water Heater. We at Bradford White strongly recommend that you contact a plumbing professional for the installa t[...]

3 TABLE OF CONTENTS General Information ................................................................... 4 Installation .................................................................................... 5 Locating The Water Heater .................................................... 5 Water Connections .........................................[...]

4 GENERAL INFORMATION The design of this electric water has been listed with Underwriters’ Laboratories, Inc. (UL) as complying with UL standard UL1453. This water heater must be installed in accordance with local codes. In the absence of local codes, install this water heater in accordance with the N.E.C. Reference Book (latest edition). The war[...]

5 General Information continued - A sacrificial anode(s) is used to extend tank life. Removal of any anode, for any reason, will nullify the warranty. In areas wh ere water is unusually active, an odor may occur at the hot water faucet due to a reaction between the sacrificial anode and impurities in the water. If this should happen, an alternative[...]

6 INSTALLATIO N Locating The Water Heater This water heater must NOT be installed in any location where gasoline or flammable vapors are likely to be present, unless the installation is such to eliminate the ignition of gasoline or flammable vapors. The location for the installation of this water hea ter is of utmost importance. Before installing t[...]

7 valve will not result in damage to the area adjacent to the water heater or to lower floors of the structure. When such locations cannot be avoided, a suitable drain pan must be installed under the water heater. The drain pan must be no greater than 1 1/2 in. (3.8 cm) deep and have a minimum length and width of at least 4 in. (10.2 cm) measured f[...]

8 the water connections to the water heater. After the pressure has been relieved, close the faucet. The cold water inlet line connects to the inlet nipp le at the base of the water heater. The hot water outlet line connects to the nipple on top of the water heater. The fittings at the cold water inlet and hot water outlet are dielectric waterway f[...]

9 Water Connections continued - WARNING For protect ion against excessive temperatures and pressure, install temperature and pressure protective equipment required by local codes, but not less than a combination temperature and pressure relief valve certified by a nationally recognized testing laboratory th at maintains periodic inspection of produ[...]

10 Water Connections continued - WARNING Hydrogen gas can be produced in a hot water system served by this water heater that has not been used for a long period of time (generally two weeks or more). Hydrogen gas is extremely flammable. To reduce the risk of injury under these co nditions, it is recommended that the hot water faucet be opened for s[...]

11 This water heater can deliver scalding temperature water at any faucet in the system. Be careful whenever using hot w ater to avoid scalding injury. Certain appliances, such as dishwashers and automatic clothes washers, may require increased temperature water. By setting the thermostat on this water heater to obtain increased temperature water r[...]

12 Figure 1 (Dual Temperature System With Mixing Valve) Figure 2 (Single Installation With Storage Tank Gravity Circulation) INTERNET VERSION FOR REFERENCE ONLY[...]

13 Water Connections continued - Figure 3 (Dual Water Heater Installation) INTERNET VERSION FOR REFERENCE ONLY[...]

14 Electrical Connections Before any electrical connections are made, be sure that the water heater is full of water and that the manual shut - off valve in the cold water supply line is open. If the heating elements are not completely immersed in w ater at all times, they will be damaged (burned - out) if energized for even a short period of time.[...]

15 kW 208V 240V 277V 380V 415V 480V Input 1Ø 3Ø 1Ø 3Ø 1Ø 3Ø 3Ø 1Ø 3Ø 6 29 17 25 14 22 9 8 12 7 9 43 25 38 22 32 14 13 19 11 12 58 33 50 29 43 19 17 25 14 13.5 65 38 56 32 49 21 19 28 16 15 72 42 63 36 54 23 21 31 18 18 87 50 75 43 65 28 25 38 22 24 115 67 100 58 87 37 34 50 29 27 130 75 113 65 97 41 38 56 32 30 144 83 125 72 108 46 42 63 3[...]

16 Before closing the switch to allow electric current to flow to the water heater, make certain that the water heater is full of water and that the cold water inlet valve is open. Complete failure of the heating elements will result if they are not totally immersed in water at all times. When the switch is closed, the operation of this electric wa[...]

17 directly contacts the water heater tank surface (see Figure 4). The second type, immersed type are immersed within the water heater tank and uses contactor type rel ays. Before any work is done on the water heater, disconnect all power to the water heater by opening the switch at the main electrical circuit breaker or fuse box. Before adjusting [...]

18 Figure 4 Figure 5 MAINT ENANCE INTERNET VERSION FOR REFERENCE ONLY[...]

19 Shut off the electric power whenever the water supply to the water heater is off. Shut off the electric power and water supply, drain the heater completely to prevent freezing whenever the building is left unoccupied during the cold weather months. In order to insure efficient operation and long tank life, drain the water heater at least once a [...]

20 3. At least once a year, check the combination temperature and pressur e relief valve to insure that the valve has not become encrusted with lime. Lift the lever at the top of the temperature - pressure relief valve several times until the valve seats properly without leaking and operates freely. 4. If the combination tempera ture and pressure r[...]

21 For faster and be tter service, please provide the part name, model, and serial number(s) of the water heater(s) when ordering parts. READ THE WARRANTY FOR A FULL EXPLANATION OF THE LENGTH OF TIME THAT PARTS AND THE WATER HEATER ARE WARRANTED. Complete the following information and retain for future reference: Model No: Serial No: Service Phone [...]

22 NOTES INTERNET VERSION FOR REFERENCE ONLY[...]

23 NOTES INTERNET VERSION FOR REFERENCE ONLY[...]