Bradford-White Corp EF Series manual

- Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance - WHAT TO DO IF YOU SMELL GAS • Do not try to light any appliance. • Do not touch any electrical switch; do not use an y phone in your building. • Immediately call your gas supplier from a neighbor’s phone. Follow the gas supp[...]

2 SECTION I: IMPORTANT INFORMATION This gas - fired water heater is design certified by CSA International under the American National Standard, Z21.10.3 (as indicated on the rating plate) a nd CAN/CGA 4.3 - M (as indicated on the rating plate) available from CSA Standards Association, 178 Rexdale Blvd., Etobicoke, Ontario, Canada M9W 1R3. This wate[...]

3 DANGER DO NOT store or use gasoline or other flammable, combustible, or corrosive vapors and/or liquids in the vicinity of this or any other appliance. DO NOT install any damaged venting system components. If damage is evident then please contact the supplier where the water heater was purchased or the manufacturer listed on the rating plate for [...]

4 WARNING This water heater needs fresh air for safe operation and must be installed so there are provisions for adequate combustion and ventilation air. Insufficient air supp ly will cause a recirculation of combustion products resulting in contamination that may be hazardous to life. This will result in carboning or sooting of the combustion cham[...]

5 SECTION II: SPECIFICATIONS Figure 1 . Dimensional Layout Recovery GPH At Degree Rise DIMENSIONS ( INCHES ) Model No. Input Rate BTU/h 1st Hr. Del. Gal. At 100°F Rise 40°F 100°F 140°F Stg. Cap. U.S. Gal. Therm. Eff. % A Ht. B Dia. C Flr to Vent Outlet D Flr to Inlet Wtr. Conn E Flr to T&P Valve Conn F Fl. to Outlet Wtr. Conn G Fl. to Air I[...]

6 SECTION III: GENE RAL INFORMATION FEATURES This water heater contains the following features: MAIN POWER ON/OFF SWITCH – The front panel of this water heater has a lighted ON/OFF switch, which is illuminated when the main power is turned on to indicate power to the water heater. COMBUSTION SYSTEM – This water heater is equipped with a self - [...]

7 LATCHES – The latches allow easy access for servicing the water heater from the top. Simply remove the two latches for servicing and re - latch upon completion. No tools are required to obtain access to the top of the water heater. TEMPERATURE AND PRESSURE RELIEF VALVE – CONDENSATE DRAIN – This water heater is a condensing type unit and req[...]

8 Figure 2 . Condensate Elbow With Loop CLEANOUT – All models are equipped with a cleanout opening to aid in removal of hard water deposits from the tank bottom. If this water heater operates under hard water conditions, the following should be performed at least every 3 months: Turn off water supply and drain the water heater. Remove the cl eano[...]

9 SECTION IV: INSTALLATION INSTRUCTIONS WARNING INSTALLATION OF THIS WATER HEATER REQUIRES ABILITY EQUIVALENT TO THAT OF A LICENSED TRADESMAN IN THE FIELD INV OLVED. PLUMBING, AIR SUPPLY , VENTING, GAS SUPPL Y AND ELECTRICAL WOR K ARE REQUIRED. DO NOT ATTEMPT TO LIGHT ANY GAS APPLIANCE IF YOU ARE NOT CERTAIN OF THE FOLLOWING: • Liquefied petroleu[...]

10 UNPACKING INSPECT SHIPMENT carefully for any signs of damage. 1. All equipment is careful ly manufactured, inspected and packed. 2. Any claims for damage or shortage in shipment must be filed immediately with Bradford White Corporation and noted on the Bill of Lading. 3. Remove all venting components from the combustion assembly compartment by r[...]

11 REMOVE CRATE 1. Remove all banding and pry off crate sides carefully so as not to damage the water heater. 2. Carefully roll/lift the water heate r from the crate base. CAUTION Do not drop water heater. Do not bump water heater jacket against floor. Do not bump exhaust vent pipe against crate or other objects. This will damage the heater and cau[...]

12 MECHANICAL EXHAUSTING OF ROOM AIR 1. Where an exhaust fan is installed in the same room with this water heater and combustion air is drawn from inside the room, sufficient openings for air must be provided in the walls. UNDERSIZED OPENINGS WILL CAUSE AIR TO BE DRAWN INTO THE ROOM THROUGH THE WATER HEATER’S VENTING SYSTEM, CAUSING POOR COMBUSTI[...]

13 TYPICAL INSTALLATION ILLUSTRATION CAUTION If building cold water supply has a back - flow preventer, check v alve or water meter with check valve provisions for thermal expansion of water in the hot water system must be provided. Figure 4 . Typical Front Inlet Connection Figure 5 . Typical Front Inlet Connect with Storage Heater INTERNET VERSION[...]

14 Figure 6 . Typical Two Water Heater Connection Figure 7 . Typical Thre e Water Heater Connection Figure 8 . Typical Four Water Heater Connection INTERNET VERSION FOR REFERENCE ONLY[...]

15 SECTION V: WATER CONNECTIONS WARNING Failure to install and maintain a new, listed temperature and pres sure relief valve will release the manufacturer from any claim, which might result from excessive temperature and pressures. Hydrogen gas can be produced in an operating water heater that has not had water drawn from the tank for a long period[...]

16 SCALDING 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 heater to obtain the increased te mperat[...]

17 ALTERNATE SPACE HEATING WATER CONNECTIONS DANGER Toxic chemical, such as those used for boiler treatment, shall not be introduced into potable water used for space heating. This water heater shall not be connected to an existing heating system or component(s) previously used with a no n - potable water heating appliance. All piping components co[...]

18 Figu re 11 . Typical Plumbing Schematic for Zoned Heating SECTION VI: VENTING WARNING The vent system must be properly installed. Failure to properly install the vent system could result in property damage, pers onal injury, or death. DO NOT install damaged venting system components. If damage is evident then please contact the supplier where th[...]

19 NOTICE Before beginning installation of any vent pipe, read the vent pipe manufacturer’s installation instructions. Water heater must be protected from freezing downdrafts during shutdown periods Provide protection of the building materials from degradation by flue gases from the exhaust vent terminal. VENTING The venting instructions must be [...]

20 Vent terminals must terminate at least 3 feet (0.9 m) above any forced air inlet located within 10 feet (3.1 m). This provision does not apply to: 1. The combustion air intak e of a direct vent appliance or the circulating air inlet and flue gas discharge of listed outdoor appliances. 2. The exhaust vent terminal must be installed with at least [...]

21 NOTICE This unit can be vented using only PVC (Class 160, ASTM D - 224 1 Schedule 40, ASTM D - 1785; or Cellular Core Schedule 40 DWV, ASTM F - 891), Schedule 40 CPVC (ASTM F - 411), or ABS (ASTM D - 2661) pipe. The fittings, other than the TERMINATIONS should be equivalent to PVC - DWV fittings meeting ASTM F - 2665. (Use CPVC fitting s, ASTM F[...]

22 Figure 13 . Typical Horizontal Direct Vent System Vertical Installation: Vertical venting system must be supported every 5 feet of vertical run and every 3 feet of horizontal run of vent pipe length. Stress levels in the pipe and fittings can be significantly increased by improper installation. If rigid pipe clamps are used to hold the pipe in p[...]

23 Figure 14 . Typical Vertical Direct Vent System Installation 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) (and above expected snow level) from the ground, then the installation must be modified as shown below (see Figure 15). Figure 15 . Vent Te[...]

24 Maximum Vent Length : Direct Vent Maximum Vent L ength Model Number Max Vent Length (feet) 3" PVC, CPVC, or ABS Max Vent Length (feet) 4" PVC, CPVC, or ABS EF60T125, EF100T150 120 170 EF60T150, EF100T199 100 150 EF60T199, EF100T250 EF100T300 80 60 130 120 Table 3 Determining r equired vent length: 1. Determine the total length of strai[...]

25 Horizontal Installation: In a horizontal application, it is important that condensate not be allowed to buildup in the exhaust vent pipe. To prevent this from happening, the pipe sh ould be installed with an slight upward slope. The vent system should be supported every 5 feet of vertical run and every 3 feet of horizontal run of vent pipe lengt[...]

26 Follow the following procedure to vent through the roof: 1. Cut the necessary holes through the roof and ceiling 2. Install the exhaust vent and air intake plastic pipes as shown in Figure 17. Make sure that the insta llation meets the local codes and/or The National Fuel Gas Code ANSI Z223.1 (Latest Edition) or CGA/CAN B149 Installation Code. F[...]

27 Figure 18 . Vent Terminal (Low Ground Clearance) Maximum Vent Length Determinat ion Power Vent Maximum Vent Length Model Number Max Vent Length (feet) 3" PVC, CPVC, or ABS Max Vent Length (feet) 4" PVC, CPVC, or ABS EF60T125, EF100T150 120 170 EF60T150, EF100T199 100 150 EF60T199, EF100T250 EF100T300 80 60 130 120 Table 4 Determining r[...]

28 shock can cause personal injury or death. DO NOT operate this water heater with the rain cap removed or recirculation of combustion products may occur. Water may also collect inside larger combustion - air pipe and flow to the burner assembly. Failure to follow this warning could result in produc t damage, or improper operation, personal injury [...]

29 5. Install concentric Y fitting and pipe assembly through the structure’s hole and field - supplied roof boot/flashing. Do not allow insulation or other materials to accumulate inside pipe assembly when installing through the hole. 6. Secure assembly to roof structure as shown in Figure 22 using field - supplied metal strapping or equivalent s[...]

30 b. Cement rain cap to smalle r diameter kit pipe. (See Figure 21). 5. Install concentric Y fitting and pipe assembly through the structure’s hole and field - supplied roof boot/flashing. Do not allow insulation or other materials to accumulate inside pipe assembly when installing through the hole. 6. Install rain cap and small diameter pipe as[...]

31 SELECTION OF MATERIALS PRIMER – It is recommended that Tetrahydrofuran (THF) be used to prepare the surfaces of pipe and fittings for solvent welding. Do not use water, rags, gasoline or any other substitutes for cleaning PVC cellular core, ABS or CPVC surfaces. A chemical cleaner such as MEK may be used. CEMENT – The cement should be a bodi[...]

32 Figure 24 . Drip Leg The gas supply lines must meet all requirements of the National Fuel Gas Code ANSI Z223.1 (Late st Edition), or in Canada CAN/CGA B149.1 Natural Gas Installation Code (Latest Edition) or CAN/CGA B149.2 Propane Installation Code (Latest Edition). GAS METER SIZE – NATURAL GASES ONLY Be sure that the gas meter has sufficient [...]

33 SECTION VIII: ELECTRICAL CONNECTIONS WARNING Turn off or disconnect the electrical power supply to the water heater before servicing. Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and dangerous operation. Verify proper operation after servicing. All electrical wiring must be installed and ground[...]

34 SECTION IX: OPERATING INSTRUCTIONS WARNING Water heaters are heat - producing appliances. To avoid damage or injury there must be no materials stored against the water heater or direct vent system, and proper care must be taken to avoid unnecessa ry contact (especially by children) with the water heater and direct vent system. UNDER NO CIRCUMSTA[...]

35 LIGHTING INSTRUCTIONS Figure 26 . Lighting Instruction Label TEMPERATURE ADJUSTMENT The temperature selector knob of the thermostat has been adjusted to 120°F when shipped from the factory. NOTICE The lower the temperature setting, the greater the energy efficiency, both to heat the water and to maintain the storage temperature during standby p[...]

36 During the winter season or any cold period, you may desire a higher temperature setting to adjust for the colder incoming water. This adjustment, however, may cause additional condensation to form on the colder tank surface. This does not mean the tank is leaking. During summer months, the warmer incoming water temperatures will benefit t he pe[...]

37 SECTION X: MAINTENANCE DANGER DO NOT ATTEMPT TO REPAIR GAS VALVE. DO NOT A TTEMPT TO REPAIR IGNITION MODULE. DO NOT ATTEMPT TO REPAIR VENTURI. DO NOT ATTEMPT TO REPAIR THERMOSTAT BOARD. DO NOT ATTEMPT TO REPAIR TRANSFORMER. DO NOT ATTEMPT TO REPAIR PRESSURE SWITCH. GENERAL KEEP APPLIANCE AREA CLEAR AND FREE FROM COMBUSTIBLE M ATERIALS, GASOLINE [...]

38 FLUSHING WATER HEATER 1. Turn OFF the water heater electrical disconnect switch. 2. Open the drain valve and allow water to flow until it runs clea n. 3. Close the drain valve when finished flushing. 4. Turn ON the water heater electrical disconnect switch. DRAINING WATER HEATER The water heater must be drained if it is to be shut down and expos[...]

39 To remove sediment and lime scale: 1. Drain the heater. Refer to DRAINING THE WATER instructions in this section. 2. Remove outer cover plate from lower side of water heater jacket. 3. Remove cover and gasket from cleanout opening. 4. Remove lime, scale or sediment using care not to damage the glass - lining. 5. Inspect cleanout plate gasket: Re[...]

40 A t least twice a year, the temperature and pressure relief valve should be checked to ensure that it is in operating condition. To check the relief valve, lift the lever at the end of the valve several times. The valve should seat properly and operate fre ely. If water does not flow, remove and inspect for obstructions or corrosion. Replace wit[...]

41 S ECTION XI: TROUBLESHOOTING GUIDE Main power light is not lit. Make sure that water heater is plugged in. When the switch is on, is there 120VAC between L1 and N on the terminal block? If not, then check for loose wire connections on the “Power Switch W ire Harness.” If connections are ok, then replace the switch. If there is voltage betwee[...]

42 Is there continuity across the “Hot Surface Ignitor?” If no, then replace hot surface ignitor. If yes, then replace the ignition module. Main valve does not turn on Put your hand on the gas valve. When the “Valve” LED lights on the ignition module, can you feel it energize? If not, then check the voltages at the ignition module across pi[...]

43 SECTION XI: PARTS LIST EF – Series Water Heater 1 Combustion Surround Ass'y 2 Burner Ass'y 3 2nd Pass Top Collector Cover 4 Screw 10 - 16 x 3/4 5 Vent Termination Elbow 6 Thermostat Sensor Probe 7 Baffle 4” Flue 8 Mag. Rod Ass'y 9 Baffle 2” Flue 10 Wire Harness - Service Panel 11 Plastisert Nipple 1 ½” NPT 12 Plug 13 Nipp[...]

44 1 Combustion Surround Ass'y AA Keeper Latch & Catch BB Screw 8 - 32 x 1/2 RHCR CC Ig nitioin Control Ass'y DD Jacket Head 28 1/4" Grey EE Switch Main Power FF Potentiometer GG Combustion Surround JJ Surround Bas/Jacket Head 2 Combustion Ass'y 1A Combustion Ass’y 2A Blower/Gas Valve Ass’y 3A Burner Ass’y 4A Blower ?[...]

45 CC Ignition Control Ass'y 1C Electronics Control Module 2C Screw #8 - 32 x 1/2 3C Vacuum Switch 4C Control Mounting Panel 5C Thermostat PC Board 6C Transformer - 120VAC 7C Terminal 8C Terminal Strip 9C Power Cord 10C Controller Wire Harness 11C Thermostat Wire Harness 12C Ignitor Ext. Wire Harness 13C Blower Wire Harness 14C Power Switch Wi[...]

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