Bradford-White Corp THROUGH-THE-WALL GAS WATER HEATER manual

238 - 40630 - 00M REV 12/03 THROUGH - THE - WALL GAS 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 escribirle a la fabrica cuyo nombre aparece en la placa de especificaciones. WHAT TO DO IF YOU SMELL GAS [...]

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 Through - The - Wall Gas Water Heater. We at Bradford White strongly recommend that you contact a plumbing pr ofessional for the insta[...]

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 u nder 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 o f this anode, for any reason, will nullify the warranty. 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 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, re frigerator and air conditioning refrigerants, swimming pool chemicals, calcium and sodium chloride, waxes and proce[...]

7 Installation (Locating The Water Heater) continue d - 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 before locating the water heater. This water heater must be lo[...]

8 Installation (Minimum Clearances) continued - M inimum Clearances T his 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 hea ter is to be installed[...]

9 Venting This venting section is divided into two parts. Part I will cover venting specifications for 48 Gal - 65,000 BTU (181.7 L - 19.1 kW/Hr), 65 Gal - 65,000 BTU (246.1 L - 19.1 kW/Hr), and 75 Gal - 76,000 BTU (283.9 L - 22.3 kW/Hr) models. Part II will cover venting specifications for 40 Gal - 40,000 BTU (151.4 L - 11.7 kW/Hr) and 48 gal - 40[...]

10 (E) The vent terminal must not terminate above a paved sidewalk or a pa ved driveway which is located on private adjacent property. Venting (Part I) continued - Venting System Condensation Condensate formation does not occur in all installations of power vented heaters, but should be protected against on installations where co ndensation can for[...]

11 3. In order to prevent condensate from draining back into the blower (vertical or horizontal runs), a drain t ee and condensate trap can be installed in the horizontal vent as close as practical to the blower vent connection (see Figure 1). The condensate disposal tube should be installed to drain any accumulated condensate away from the water h[...]

12 Part I - Venting Specifications for : 48 Gallon, 65,000 BTU input (181.7 L, 19.1 kW/Hr) 65 Gallon, 65,000 BTU input (246.1 L, 19.1 kW/Hr) 75 Gallon, 76,000 BTU input (283.9 L, 22.3 kW/Hr) This water heater is a power vented appliance and is designed to vent its products of combustion through 3” (7.6 cm) or 4” (10.2 cm) diameter Schedule 40 ([...]

13 TABLE 3 - VENT CONNECTOR LENGTHS FOR 4” (10.2 cm) DIAMETER PVC Terminating # of 90 ° Elbows (excluding vent terminal) Maximum Length Minimum Length Through the Wall 1 70 ft (21.3 m) 2 ft (.6 m) Through the Wall 2 65 ft (19.8 m) 3 ft (.9 m) Through the Wall 3 60 ft (18.3 m) 5 ft (1.5 m) Through the Wall 4 55 ft (16.8 m) 8 ft (2.4 m) Through th[...]

14 THROUGH THE WALL VENTING: Cut a 3 1/2 in. (8.9 cm) diameter hole in the wall at the point whe re the vent connector is going to pass through the wall. Use the proper cement to secure the 90° vent terminal provided with the water heater to the vent connector. The distance between the edge of the 90° vent terminal and the exterior wall (see Figu[...]

15 Cut the necessary holes through the roof and ceiling and install the vent connector as shown in Figure 4. Make sure that the installation meets the local codes and/or The National Fuel Gas Code ANSI Z223.1 (Latest Edition) or CGA/CAN B149 Installation Code. Figure 4 NOTE: For installations requiring both horizontal and vertical runs, the followi[...]

16 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 sh own below (see Figure 5). Refer to Table 4 for maximum venting lengths using 3” (7.6 cm) PVC or Table 5 for maximum lengths using 4” (10.2 cm) PVC. Figure 5 Ventin[...]

17 TABLE 4 3” (7.6 cm) PVC VENT C ONNECTOR LENGTHS FROM INSIDE WALL FOR LOW GROUND CLEARANCE INSTALLATIONS Terminating # of Elbows Maximum Length Minimum Length (2) 90 ° Elbows with (1) 90 ° Elbow 1 30 ft (9.1 m) 5 ft (1.5 m) (2) 90 ° Elbows with (1) 90 ° Elbow 2 25 ft (7.6 m) 6 ft (2 m) (2) 90 ° Elbows with (1) 90 ° Elbow 3 20 ft (6.1 m) 8[...]

18 Part II - Venting Specifications for : 40 Gallon, 40,000 BTU input (151.4 L, 11.7 kW/Hr) 48 Gallon, 40,000 BTU input (189.3 L, 11.7 kW/Hr) This water heater is a power vented appliance and is designed to vent its products o f combustion through 2” (5.1 cm) or 3” (7.6 cm) diameter Schedule 40 (solid or cellular core) PVC pipe to the outdoors.[...]

19 Terminating # of 90 ° Elbows (excluding vent terminal) Maximum Length Minimum Length Through the Wall 0 105 ft (32.0 m) 10 ft (3.1 m) Through the Wall 1 100 ft (30.5 m) 10 ft (3.1 m) Through the Wall 2 95 ft (29.0 m) 10 ft ( 3.1 m) Through the Wall 3 90 ft (27.5 m) 10 ft (3.1 m) Through the Wall 4 85 ft (26.0 m) 10 ft (3.1 m) Through the Wall 5[...]

20 Figure 7 THROUGH THE WALL VENTING: Cut a 2 1/2 in. (6.4 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 45° vent terminal provided with the water heater to the vent connector. The distance between the edge of the 45° vent terminal and the exterior wall ([...]

21 THROUGH THE ROOF VE NTING: (VERTICAL VENTING) Cut the necessary holes through the roof and ceiling and install the vent connector as shown in Figure 9. Make sure that the installation meets the local codes and/or The National Fuel Gas Code ANSI Z223.1 (Latest Edition) or CG A/CAN B149 Installation Code. Figure 9 Venting (Part II) continued - INT[...]

22 THROUGH THE WALL VENTING WITH LOW GROUND CLEARANCE: When venting cannot exit through the wall at a height greater than or equal to 1 2” (30.5 cm) from the ground or from the anticipated snow level, then the installation must be modified as shown below (see Figure 10). Refer to Table 9 for maximum venting lengths using 2” (5.1 cm) PVC or Tabl[...]

23 TABLE 9 2” (5.1 cm) PVC VENT CONNECTOR LENGTHS FROM INSIDE WALL FOR LOW GROU ND CLEARANCE INSTALLATIONS Terminating # of Elbows Maximum Length Minimum Length (2) 90 ° Elbows with Vent Terminal 0 35 ft (10.7 m) 2 ft (.6 m) (2) 90 ° Elbows with Vent Terminal 1 30 ft (9.2 m) 2 ft (.6 m) (2) 90 ° Elbows with Vent Terminal 2 25 ft (7. 6 m) 2 ft [...]

24 Combustion Air Supply Provide adequate air for combustion and ventilation. An insufficient supply of air will cause recirculation of combustion products resulting in air contamination that may be hazardous to life. Such a condition often will result in a yellow, luminous burner flame, causing carbon build up or sooting of the combustion chamber,[...]

25 Installation (Combustio n Air Supply) continued - All Air From Inside the Building: The confined space must be provided with two permanent openings communicating directly with an additional room(s) of sufficient volume so that the combined volume of all spaces meets the criteria for an unconfined space. The total input of all gas utilization equ[...]

26 Note: BEFORE PROCEED ING 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 leaking out of the pipes while making the water connections to the water heat er. After the pressure has been relieved, close the faucet. The COLD [...]

27 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 production of listed equipment or ma[...]

28 Installation (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. Certain appliances such as dishwashers and automatic clothes washers may require increased temperature water. By setting the thermostat on this water heat[...]

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

30 Electrical Connections All electrical wiring and connections must be in accordance with the National Electric Code ANSI/NFPA No. 70 (latest edition), or the Canadian Electri cal 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 permitted by local c[...]

31 Electrical Connections (Figure 11) continued - Figure 11 INTERNET VERSION FOR REFERENCE ONLY[...]

32 Electrical Connections (Figure 12) continued - Figure 12 INTERNET VERSION FOR REFERENCE ONLY[...]

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

34 General Operation continued - Lighting and shutdown instructions INTERNET VERSION FOR REFERENCE ONLY[...]

35 Hotter water increases the risk of scald injury. Scalding may occur within five (5) seconds at a te mperature setting of 135°F (57.3°C) . To protect against hot water injury, install an ASSE approved mixing valve in the water system. This valve will reduce point of discharge water temperatures by mixing cold and hot water in branch water lines[...]

36 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 de termine 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 the air shutter o[...]

37 The following maintenance should be performed by a qualified service technician at the minimum periodic intervals suggested below. In some installations, the maintenance interval may be more frequent depending o n the amount of use and the operating conditions of the water heater. Regular inspection and maintenance of the water heater and vent -[...]

38 5. Annually remove the inner door and main burner assembly to clean orifices an d related parts of any 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 debris. NOTE: It is imperati[...]

39 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[...]

40 PARTS LIST DRAWING PARTS LIST PART NAME AND DESCRIPTION 1. Blower Assembly 11. Diptube – Nipple 2. Temperature Switch 12. Anode – Nipple 3. Pressure Switch 13. Thermostat (Behind Cover) 4 . Flue Baffle 14. T & P Relief Valve Opening 5. Honeywell Smart Valve 15. Pilot Assembly 6. Drain Valve 16. Cast Iron Burner 7. Fiberglass Insulation 1[...]

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

42 VENT PIPE PREPARAT ION 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 installing the venting system. If you have any question about the application or inst allation of the PVC, CPVC or ABS venting system, contact the manufacturer,[...]

43 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 slightly 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) Joining a) Joints should be made immediately after ce[...]

44 INTERNET VERSION FOR REFERENCE ONLY[...]