Bradford White Powered Direct Vent Series manuale d’uso

238 - 42047 - 00F REV 10/04 POWERED DIRECT VENT SERIES GAS - FIRED WATER HEATER A Spanish language version of these instructions is available by contacting the company listed on the rating plate. La version espanola de estas instrucciones se puede obtener al escribile a la fabrica cuyo nombre aparece en la placa de especificaciones. WHAT TO DO IF Y[...]

2 CONGRATULATIONS! You have just purchased one of the finest water heaters on the market today! This installation, operation and instruction manual will explain in detail the installation and maintenance of your new Powered Direct Vent Series Gas - Fired Residential Water Heater. We at Bradford White strongl y recommend that you contact a plumbing [...]

3 TABLE OF CONTENTS page GENERAL INFORMATION ............................................................ 4 INSTALLATION. ............................................................................. 5 Locating The Water Heater .................................................... 5 Minimum Clearances ................................................[...]

4 GENERAL INFORMATION This gas - fired water heater’s design is certified by CSA International under the American National Standard Z21.10.1 - ( as indicated on the rating plate) and CSA 4.1 - M - (as indicated on the rating plate). This water heater must be installed in accordance with local codes or, in the absence of local codes, the National [...]

5 General Information continued - A sacrificial anode is used to extend tank life. The removal of this anode, for any reason, will nullify the wa rranty. In areas where water is unusually active, an odor may occur at the hot water faucet due to a reaction between the sacrificial anode and the impurities in the water. If this should happen, an alter[...]

6 Installation (Locating The Water Heater) continued - Water heater corrosion and component failure can be caused by the heating and breakdown of airborne chemical vapors. Examples of some typical compounds that are potentially corrosive are: spray can propellants, cleaning solvents, refrigerator and air conditioning refrigerants, swimming pool che[...]

7 Installation (Locating The Water Heater) continued - The water heater must be located close enough to the outside wall to keep the venting distance within the maximum distance described in the installation instructions. Read the venting section in this installation instruction manual bef ore locating the water heater. This water heater must be lo[...]

8 Installation (Minimum Clearances) continued - M inimum Clearances This installation must allow access to the front of the water heater and adequate clearance must be provided for servicing and operating this water heater. The water heater may be installed on either a combustible or non - combustible floor. If the water heater is to be installed d[...]

9 Venting continued - (F) The vent sy stem must be inspected at least once a year to ensure against leakage of exhaust products. Exceptions For Installations in Canada: (A) The vent terminals must be located at least 1 foot (.31 m) from any window or door, which can be opened in any building, any non - mechanical air supply inlet to any building, o[...]

10 Venting continued - Venting Installation Instructions For Supplied Intake Venting: 1. Refer to Figure 1, “Vent Assembly Illustration” to install intake venting as described below. 2. Insert one end of the Vertical Pipe into Metal Boot on the lower ba ckside of the water heater. 3. Slide the Support Bracket over the Vertical Pipe, but do not [...]

11 Venting continued - Figure 1 Vent Assembly Illustration INTERNET VERSION FOR REFERENCE ONLY[...]

12 Venting continued - Venting System Condensation Condensate formation does not occur in all installations of power vented heaters, but should be protected against on installations where condensation can form in the venting sys tem. Formation of condensation in the venting system of Power Vented water heaters is dependent upon installation conditi[...]

13 Venting continued - 3. In order to prevent condensate from draining back into the blower (vertical or horizontal runs), a drain tee and condensate trap can be installed in the horizon tal vent as close as practical to the blower vent connection (see Figure 2). The condensate disposal tube should be installed to drain any accumulated condensate a[...]

14 Venting continued - This water heater is a power direct vented appliance and is designed to intake and exhaust its products of combustion through 3” (7.6 cm) or 4” (10.2 cm) diameter Schedule 40 PVC pipe to the outdoors. This water heater may intake and exhaust either through the wall or vertically through the roof. Use a 3” (7.6 cm) to 4?[...]

15 Venting continued - EXAMPLE: The exhaust has two 90° elbows and the intake has four 90° elbows. The total feet of straight pipe on the exhaust is 15 ft. (4. 6 m) and the total feet of straight pipe on the intake is 20 ft (6.1 m). Figure 3 six 90° elbows x 5 ft. each = 30 ft Total straight pipe = 11 ft+3 ft+1 ft+3 ft+9 ft+6 ft+2 ft= 35 ft Tota[...]

16 Venting continued - TABLE 2 - VENT CONNECTOR LENGTHS FOR 3” (7.6 cm) DIAMETER PVC Total # of 90° elbows (Intake + Exhaust) Maximum # of feet of straight pipe (Intake + Exhaust) 2 70 (21.3 m) 3 65 (19.8 m) 4 60 (18.3 m) 5 55 (16.8 m) 6 50 (15.2 m) 7 45 (13.7 m) 8 40 (12.2 m) TABLE 3 - VENT CONNECTOR LENGTHS FOR 4” (10.1 cm) DIAMETER PVC Tota[...]

17 Venting continued - NOTE : ABS or CPVC pipes may be substituted for PVC pipe. Do not mix ABS and PVC pipe in the same installation. THROUGH THE WALL VENTING: Cut a 3 1/2 in. (8.9 cm) diameter hole in the wall at the point where the vent connector is going to pass through the wall. Use the proper cement to secure the 90° vent terminal provided w[...]

18 Venting continued - THROUGH THE WALL VENTING WITH LOW GROUND CLEARANCE: When venting cannot exit through the wall at a height greater than or equal to 12” (30.5 cm) above the ground or anticipated snow level, the installation must be modified as shown below (see Figure 6). Refer to Table 4 for maximum venting lengths using 3” (7.6 cm) PVC or[...]

19 Venting continued - TABLE 4 3” (7.6 cm) PVC VENT CONNECTOR LENGTHS FROM INSIDE WALL FOR LOW GROUND CLEARANCE INSTALLATIONS Terminating # of Elbows (intake + exhaust) Maximum # of Feet o f Straight Pipe (intake + exhaust) (2) 90 ° Elbows with (1) 90 ° Elbow 2 50 ft (15.2 m) (2) 90 ° Elbows with (1) 90 ° Elbow 3 45 ft (13.7 m) (2) 90 ° Elbo[...]

20 (2) 90 ° Elbows with (1) 90 ° Elbow 8 90 ft (27.5 m) INTERNET VERSION FOR REFERENCE ONLY[...]

21 Venting continued - When venting through the wall, the exhaust terminal must exit the structure at a minimum of 16” (40.6 cm) from either side, or any location above the intake terminal. The exhaust terminal must not be located below the intake terminal for any reason (See Figure 7). Figure 7 THROUGH THE ROOF VENTING: (VERTICAL VENTING) Cut th[...]

22 Figure 8 INTERNET VERSION FOR REFERENCE ONLY[...]

23 Venting continued - HIGH ALTITUDE INSTALLATIONS FOR ELEVATIONS OVER 2,000 FEET (914.5 m) ABOVE SE A LEVEL T he capacity of the induced draft blower declines with increasing altitude due to a reduction in the air density. In order to assure safe and reliable performance of the water heater, the following guidelines must be followed. Refer to the [...]

24 Water Connections Note: BEFORE PROCEEDING WITH THE INSTALLATION, CLOSE THE MAIN WATER SUPPLY VALVE. After shutting off the main water supply, open a faucet to relieve the water line pressure to prevent any water from leak ing out of the pipes while making the water connections to the water heater. After the pressure has been relieved, close the [...]

25 Water Connections continued - WARNING For protection 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 that maintains periodic inspection of produc[...]

26 Water Connections continued - This water heater can deliver scalding temperature water at any faucet in the system. Be careful whenever using hot water to avoid scalding injury. Cer tain appliances such as dishwashers and automatic clothes washers may require increased temperature water. By setting the thermostat on this water heater to obtain t[...]

27 Gas Connections The gas supply lines must meet all requirements of the National Fuel Gas Code ANSI Z223.1 - (Late st Edition) and/or in Canada CAN/CGA B149 Installation Codes - (Latest Editions). The minimum permissible gas supply pressure for the purpose of input adjustment is 1.5” water column (.37 kPa) above the operating manifold pressure [...]

28 Electrical Connections All electrical wiring and connections must be in accorda nce with the National Electric Code ANSI/NFPA No. 70 (latest edition), or the Canadian Electrical Code C22.1 (latest edition) and any local codes, which may apply. The water heater must be electrically grounded. If a flexible line cord and plug is permitt ed by local[...]

29 Electrical Connections (Figure 9) continued - Figure 9 INTERNET VERSION FOR REFERENCE ONLY[...]

30 GENERAL OPERATION TO FILL THE WATER HEATER 1. Close the water heater drain valve using a standard screwdriver. 2. Open the cold water supply shut - off valve. 3. Open several hot water faucets to allow air to escape from t he system. 4. When a steady stream of water flows from the faucets, the water heater is filled. Close the faucets and check [...]

31 General Operation (Lighting and Shutdown Instructions) continued - Lighting and Shutdown Instructions INTERNET VERSION FOR REFERENCE ONLY[...]

32 Thermostat Adjustment The thermostat dial is adjusted to approximately 120°F when shipped from the factory. When adjusting the thermostat, it should be remembered that lower temperature settings are more energy efficient. The thermostat cover, to the right of the gas valve, must be removed when the thermostat is adjusted. To adjust the thermost[...]

33 Burner Flame Check Cast Iron Burner: At the time of installation and at periodic intervals (not more than 6 months), a visual check of the main burner and pilot flames should be made to determine if they are burning properly. For ideal operation, the gas and air must be properly proportioned. The proper air - gas mixture is obtained by adjusting[...]

34 MAINTENANCE A qualified service technician should perform the following maintenance at the minimum periodic intervals suggested below. In some installations, the maintenance interval may be more frequent depending on the amount of use and the operating conditions of the water heater. Regular inspection and maintenance of the water heater and ven[...]

35 Maintenance continued - 5. Annually remove the inner door and main burner assembly to clean orifices and related parts of an y dirt or other foreign material. Inspect the burner ports for obstructions or debris and clean with a wire brush as needed. Wire brush and/or vacuum clean the combustion chamber as needed to remove scale deposits and debr[...]

36 Maintenance (continued) - Contact your supplier or plumbing professional for replacement parts or contact the company at the address given on the rating plate of the water heater. Provide the part name, model and serial numbers of the water heater when ordering parts. READ THE WARRANTY FOR A FULL EXPLANATION OF THE LENGTH OF TIME THAT PARTS AND [...]

37 PARTS LIST DRAWING PART NAME AND DESCRIPTION 1. Blower Assembly 12. Anode – Nipple 2. Rubber Intake Elbow 13. Thermostat (Behind Cover) 3. Intake Tee (Supplied) 14. Thermostat Cover 4. Vert ical Pipe (Supplied) 15. T & P Relief Valve Opening 5. Metal Intake Boot 16. Gas Feedline 6. Flue Baffle 17. Air Shutter (Cast Iron Only) 7. Fiberglass[...]

38 11. Diptube – Nipple INTERNET VERSION FOR REFERENCE ONLY[...]

39 BLOWER PARTS DRAWING PART NAME AND DESCRIPTION 1. Exhaust Pressure Switch 2. ECO Switch 3. Intake Collar 4. Exhaust Connection 5. Junction Box 6. Transformer (Behind Junction Box Cover) 7. Six Pin Blower Connector 8. Intake Pressure Switch (Not Shown) INTERNET VERSION FOR REFERENCE ONLY[...]

40 THE FOLLOWING INSTRUCTIONS ARE FOR INSTALLATION OF: GAS WATER HEATERS SUITABLE FOR WATER (POTABLE) HEATING AND SPACE HEATI NG 1. All piping components connected to this water heater for space - heating applications must be suitable for use with potable water. In Massachusetts, space heating piping length must not exceed 50 feet. 2. Toxic chemica[...]

41 VENT PIPE PREPARATION AND JOINING Most failures in PVC, CPVC or ABS systems result from improper preparation and joining of pipe and fittings. The guidelines below must be followed when installin g the venting system. If you have any question about the application or installation of the PVC, CPVC or ABS venting system, contact the manufacturer, [...]

42 Vent Pipe Preparation and joining (continued) - d) Cementing must be done quickly to avoid over - drying before joining. i) Apply one coat to the outside end of the pipe at a width slightl y greater than the depth of the socket. ii) Apply a coat around the inside of the fitting socket. iii) Apply a second coat around the end of the pipe. 4) Join[...]

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