Bradford White eF Series Installation & Operation Manual With Troubleshooting Manual
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Bradford White eF Series Installation & Operation Manual With Troubleshooting Manual

Ultra high efficiency commercial gas water heater
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ULTRA HIGH EFFICIENCY COMMERCIAL GAS
WATER HEATER INSTALLATION & OPERATION MANUAL
KEEP THESE INSTRUCTIONS FOR FUTURE REFERENCE
WITH TROUBLESHOOTING GUIDE
WARNING
If the information in these instructions is
not followed exactly, a fire or explosion
may result causing property damage,
personal injury or death.
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 any phone in your
building.
• Immediately call your gas supplier
from a neighbor's phone. Follow the
gas supplier's instructions.
• If you cannot reach your gas supplier,
call the fire department.
For customer comfort, safety and
convenience, it is recommended this water
heater be installed and serviced by a
plumbing professional.
238-48384-00Q REV 03/21

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  • Page 1 ULTRA HIGH EFFICIENCY COMMERCIAL GAS WATER HEATER INSTALLATION & OPERATION MANUAL WITH TROUBLESHOOTING GUIDE WARNING If the information in these instructions is not followed exactly, a fire or explosion may result causing property damage, personal injury or death. DO NOT store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance.

  • Page 2: Table Of Contents

    SECTION I: IMPORTANT INFORMATION READ CAREFULLY 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) and CAN/CGA 4.3-M (as indicated on the rating plate) available from CSA Standards Association, 5060 Spectrum Way, Mississauga, Ontario, CANADA L4W 5N6.
  • Page 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 replacement parts.
  • Page 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 supply 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 chamber, burners, and flue tubes and creates a risk of asphyxiation.

  • Page 5: Section Ii: Specifications

    SECTION II: SPECIFICATIONS Figure 1 - Dimensional Layout Table 1 - Specifications DIMENSIONS (INCHES) Storage Front Space Input Floor to Floor to Floor to Relief Shipping Capacity Floor to Floor to Floor to Floor to Water Heating Model No. Rate Jacket Inlet T&P...

  • Page 6: Section Iii: General Information

    SECTION III: GENERAL INFORMATION 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-compensating negative pressure pre-mix combustion system.
  • Page 7 General Information continued- Temperature and Pressure Relief Valve WARNING Keep clear of the combination temperature and pressure relief valve discharge line outlet. The discharge may be hot enough to cause scald injury. The water is under pressure and may splash. 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...
  • Page 8 General Information continued- Figure 2 - Condensate Elbow with Trap 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.

  • Page 9: Section Iv: Installation Instructions

    SECTION IV: INSTALLATION INSTRUCTIONS WARNING INSTALLATION OF THIS WATER HEATER REQUIRES ABILITY EQUIVALENT TO THAT OF A LICENSED TRADESMAN IN THE FIELD INVOLVED. PLUMBING, AIR SUPPLY, VENTING, GAS SUPPLY AND ELECTRICAL WORK ARE REQUIRED. DO NOT ATTEMPT TO LIGHT ANY GAS APPLIANCE IF YOU ARE NOT CERTAIN OF THE FOLLOWING: •...
  • Page 10 Installation Instructions continued- Unpacking 1. Inspect carefully for any signs of damage. 2. All equipment is carefully manufactured, inspected and packed. 3. Any claims for damage or shortage in shipment must be filed immediately with the shipper and noted on the Bill of Lading.
  • Page 11 Installation Instructions continued- Figure 3b - Recommended Minimum Clearances For Service Access Remove Crate 1. Remove all banding and pry off crate sides carefully as to NOT damage the water heater. 2. Carefully roll/lift the water heater from the crate base. CAUTION DO NOT drop water heater.
  • Page 12 Installation Instructions continued- Location WARNING KEEP APPLIANCE AREA CLEAR AND FREE OF COMBUSTIBLE MATERIALS, GASOLINE AND OTHER FLAMMABLE VAPORS AND LIQUIDS. This water heater must be located in an area where the general public does NOT have access to set temperatures. Air Requirements 1.
  • Page 13 Chemical Vapor Corrosion Corrosion of the flue ways and vent system will occur if air for combustion contains certain chemical vapors. Such corrosion may result in poor combustion and create a risk of asphyxiation, as well as reducing the life of the water heater. Spray can propellants, cleaning solvents, refrigerator and air conditioning refrigerants, swimming pool chemicals, calcium and sodium chloride, waxes and process chemicals are corrosive.
  • Page 14 Installation Instructions continued- Figure 7 - Typical Three Water Heater Connection Figure 8 - Typical Four Water Heater Connection...

  • Page 15: Section V: Water Connections

    SECTION V: WATER CONNECTIONS WARNING Failure to install and maintain a new, listed temperature and pressure 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 of time (generally two weeks or more).
  • Page 16 Water Connections continued- Table 2 Approximate Time/Temperature Scald Chart APPROXIMATE TIME/TEMPERATURE RELATIONSHIPS IN SCALDS 120°F (49°C) More than 5 minutes 125°F (52°C) 1½ to 2 minutes 130°F (54°C) About 30 seconds 135°F (57°C) About 10 seconds 140°F (60°C) Less than 5 seconds 145°F (63°C) Less than 3 seconds 150°F (66°C)

  • Page 17: Section Vi: Venting

    Water Connections continued- Figure 10 - Typical Plumbing Schematic for Zoned Heating SECTION VI: VENTING This water heater has a certified category IV, per latest ANSI Z 21.10.3-2019.CSA 4.3-2019 revision. Refer to the latest edition of the National Fuel Gas Code (ANSI Z223.1-latest edition), or in Canada, the Natural Gas and Propane installation Code (B149.1-00 latest edition).
  • Page 18 Venting continued- NOTICE For installations in Canada, field supplied vent piping must comply with CAN/CGA B149.1 (latest edition) and be certified to the Standard For Type BH, Class II, 65°C, Gas Venting Systems, ULC S636. Components of this listed system shall not be interchanged with other vent systems or unlisted pipe/fittings. All components and specified primers and cements of the certified vent system must be from a single system manufacturer and not intermixed with other system manufacturer’s vent system parts.
  • Page 19 Venting continued- CAUTION All intake and exhaust venting components must have the same diameter size. DO NOT use a different size on the intake and exhaust venting. For 2 in (5.1 cm) or 4 in (10.2 cm) venting, use the supplied 3 in (7.6 cm) vent terminals. If a 2 in (5.1 cm) vent terminal is preferred, use 2 in (5.1 cm) terminal (p/n 239-39831-00).
  • Page 20 NOTICE If 2 in (5.1 cm) pipe is used, then use a 2 in to 3 in reducer to adapt to the 3 in (7.6 cm) vent terminal size. If a 2 in (5.1 cm) vent terminal is preferred, this terminal is available from your supplier. Figure 11a - Vent Terminal Clearances (Other than Direct Vent or Powered Direct Vent Installations) Canadian Installations US Installations...
  • Page 21 Figure 11b - Direct Vent and Powered Direct Vent Terminal Clearances Canadian US Installations Canadian US Installations Installations Installations 3 feet (91 cm) within a Clearance above 12 inches 12 inches Clearance to each side of height 15 feet (4.6 m) grade, veranda, (30 cm) (30 cm)
  • Page 22 Venting continued- The vent system must terminate so that proper clearances are maintained as cited in local codes or the latest edition of the National Fuel Gas Code, ANSI Z223.1: 1. Do not terminate near soffit vents or crawl space or other area where condensate or vapor could create a nuisance or hazard or cause property damage.
  • Page 23 Venting continued- WARNING! DO NOT USE 2” VENT WITH 100T250/300 MODELS Figure 12 - Typical Horizontal Direct Vent System Vertical Installation Vertical venting system must be supported every 5 ft of vertical run and every 3 ft of horizontal run of vent pipe length. CAUTION Failure to properly support the vent piping with hangers and clamps may result in damage to the water heater or venting system.
  • Page 24 Venting continued- WARNING! DO NOT USE 2” VENT WITH 100T250/300 MODELS Figure 13 - Typical Vertical Direct Vent System Installation (Note: Intake and exhaust terminals may be on different outside walls.) Through the Wall Venting with Low Ground Clearance: When venting cannot exit through the wall at a height greater than or equal to 12 in (30.5 cm) (and above expected snow level) from the ground, then the installation must be modified as shown below (see Figure 14).
  • Page 25 Venting continued- Maximum Vent Length Table 3 - Maximum Vent Length (Combined Maximum Length for Intake and Exhaust) 60T150 60T199 60T125 100T150 100T199 Power Direct Power Direct Power Direct 2” Vent Pipe Power Vent Power Vent Power Vent Vent Vent Vent Max.
  • Page 26 Venting continued- Determining Required Vent Length Determine the total length of straight vent pipe (in feet) required for both the intake and the exhaust. Add 5 ft of venting for every 90° elbow. Add 2 1/2 ft of venting for every 45° elbow. Total vent length cannot exceed “Max Vent Length”...
  • Page 27 Venting continued- WARNING! DO NOT USE 2” VENT WITH 100T250/300 MODELS. Figure 15 - Typical Horizontal Power Vent System Vertical Installation Vertical venting must be supported every 5 ft of vertical run and every 3 ft of horizontal run of vent pipe length. Stress levels in the pipe and fittings can be significantly increased by improper installation.
  • Page 28 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 in (30.5 cm) (and above expected snow level) from the ground, then the installation must be modified as shown below (see Figure 17). Refer to Tables 3 or 4 for maximum venting lengths using 2 in (5.1 cm), 3 in (7.6 cm), 4 in (10.2 cm), or 6 in (15.2 cm) diameter plastic pipe.
  • Page 29 DO NOT use field-supplied couplings to extend pipes. Airflow restriction will occur, and the water heater pressure switches may cause intermittent problems. Vertical Installation (recommended) Table 4 – Approved IPEX Concentric Terminals Bradford White IPEX System Description IPEX Part Number...
  • Page 30 Venting continued- Figure 19 - Dimensional Layout of Concentric Vent Kits Concentric Vent Size (A) Nominal Pipe Size (B) in inches 2 in 2 in 3 ½ in 3 in 3 in 4 ½ in 4 in 4 in 6 5/8 in Figure 20 - Concentric Vent Kit Part Identification Concentric Vent Size (A) in inches...
  • Page 31 Venting continued- 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 support material.
  • Page 32 Venting continued- 3. Cut the recommended 3 ½ in (8.9 cm) diameter hole for 2 in (5.1 cm) vent terminations, 6 5/8 in (16.9 cm) diameter hole for 4 in (10.2 cm) vent termination, or 4 ½ in (11.5 cm) for 3 in (7.6 cm) vent termination. Partially assemble vent kit.
  • Page 33 Venting continued- Low Profile Side Wall Termination Kit The IPEX Low Profile side wall termination kits are fully certified for use with IPEX product only. IPEX System 636 PVC Low Profile vent kits are made from certified compound and IPEX System 1738 PVC Low Profile vent kits are made from a UL1738 certified PVC compound.
  • Page 34 Venting continued- Figure 24 – Typical Side Wall Termination Figure 25 – Approved Installation Orientation Figure 26 – Side Wall Termination Assembly Figure 27 – Minimum Clearances: Multiple Side Wall Terminations...
  • Page 35 Vent Pipe Preparation WARNING DO NOT attempt to start this water heater until vent pipe solvent fumes completely clear from the room and inside the vent piping. Vent Pipe Preparation and Joining Most failures in vent systems result from improper preparation and joining of pipe and fittings. The guidelines below must be followed when installing the venting system.

  • Page 36: Section Vii: Gas Connections

    SECTION VII: GAS CONNECTIONS WARNING Connect this water heater ONLY to the type of gas as shown on the rating plate. Use clean black iron pipe or equivalent material approved by local codes and ordinances (dirt and scale from the pipe can enter the gas valve and cause it to malfunction).
  • Page 37 Gas Connections continued- Gas Meter Size – Natural Gases Only Be sure that the gas meter has sufficient capacity to supply the full rated gas input of the water heater as well as the requirements of all other gas fired equipment supplied by the meter. If the gas meter is too small, ask the gas company to install a larger meter having adequate capacity.

  • Page 38: Section Viii: Electrical Connections

    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 grounded in accordance with local codes, or in the absence of local codes, the National Electrical Code, ANSI/NFPA 70 and/or CSA C22.2 Electrical Code.
  • Page 39 Building Management System (BMS) The water heater can be equipped with a gateway kit that will facilitate a Building Management System (BMS) connection ® to Modbus or Bacnet . This kit is sold separately and is not factory installed. A full installation, operation, and troubleshooting manual is provided with the gateway kit.
  • Page 40 BMS Wiring Diagram NOTICE The Building Management System (BMS) is only compatible with units that have SOLA controllers. Part Bradford White Part Number BMS Gateway Installation Kit 415-53943-00...

  • Page 41: Section Ix: Operating Instructions

    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 unnecessary contact (especially by children) with the water heater and direct vent system.
  • Page 42 Lighting & Shutdown Instructions FOR YOUR SAFETY READ BEFORE LIGHTING WARNING: If you do not follow these instructions exactly, a fire or explosion may result causing property damage, personal injury or loss of life. A. This appliance does not have a pilot Immediately call your gas supplier It is equipped with an ignition device from a neighbor's phone.
  • Page 43 Temperature Adjustment Table 5 Approximate Time/Temperature Scald Chart APPROXIMATE TIME/TEMPERATURE RELATIONSHIPS IN SCALDS 120°F (49°C) More than 5 minutes 125°F (52°C) 1½ to 2 minutes 130°F (54°C) About 30 seconds 135°F (57°C) About 10 seconds 140°F (60°C) Less than 5 seconds 145°F (63°C) Less than 3 seconds 150°F (66°C)
  • Page 44 WARNING Setting the water temperature to the maximum set point can result in scalding hot water delivered to the faucets. It is highly recommended that the maximum setpoint be adjusted to the lowest temperature possible for the needs of the installation.
  • Page 45 ICON System Display Control Control Only Water Heater Display and Control Buttons To Increase Temperature Setpoint Step 1. Press and hold “Temperature Up” button until desired setpoint temperature appears on the display. Step 2. Press “DONE” button for new setting to take effect immediately. If the “DONE” button is not pressed, the new temperature setting will take effect in approximately 10 seconds.
  • Page 46 To Decrease Temperature Setpoint Step 1. Press and hold “Temperature Down” button until desired setpoint temperature appears on the display. Step 2. Press “DONE” button for new setting to take effect immediately. If the “DONE” button is not pressed, the new temperature setting will take effect in approximately 10 seconds. To View Combustion Rate Step 1.
  • Page 47 To Change Temperature Format in Display from F to C or ˚C to ˚F Step 1. Enter “Set-Up Mode” by pressing both UP/DOWN buttons together for 3 seconds. Step 2. Use the arrows to select between °F and °C Step 3. Press done to return to main screen or timeout/change will occur in one minute. An energy cut out (ECO) is incorporated in the sensor and control board which will shut off all gas supply to the burner if the water heater temperature exceeds 207°F (93°C).

  • Page 48: Section X: Maintenance

    SECTION X: MAINTENANCE DANGER DO NOT attempt to repair gas valve. DO NOT attempt 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 NOTE: KEEP APPLIANCE AREA CLEAR AND FREE FROM COMBUSTIBLE MATERIALS, GASOLINE AND OTHER FLAMMABLE VAPORS AND LIQUIDS.
  • Page 49 Maintenance Schedule WARNING Water heaters are heat producing appliances. To avoid damage or injury there must be no materials stored against the water heater or vent-air intake system, and proper care must be taken to avoid unnecessary contact (especially by children) with the water heater and vent-air intake system.
  • Page 50 Maintenance Schedule continued- Filling Water Heater 1. Close the water heater drain valve. This water heater utilizes a ball valve; when closing the valve, the stem will spin indefinitely. Confirm it is closed by ensuring the slot on the stem is perpendicular to the valve body. If alternative water connections are provided but not used, make certain they are plugged (i.e.
  • Page 51 Maintenance Schedule continued- Powered Anode System All models are equipped with a powered anode system. The powered anode system provides corrosion protection to the tank by supplying a low voltage current to the titanium anode rods and then periodically comparing this current with the potential between the anode rod and tank wall to make corrections.
  • Page 52 Maintenance Schedule continued- Relief Valve At 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 freely.

  • Page 53: Section Xi: Diagnostic And Troubleshooting Guide

    Additional Display Features Accessing Diagnostic Mode on the Water Heater Display (FOR SERVICE PERSONNEL ONLY) The display has a Diagnostic Mode to access information in aiding servicing of the water heater. This procedure is for service and installation personnel only. To enter the Diagnostic Mode, follow the steps illustrated below: WARNING The following procedure is for service and installation personnel ONLY.
  • Page 54 Step 4. Press lower right “Next” button. The display will flash and show the number of any Lockout codes. If there are no lockouts, the display will show 00. If there are multiple lockout codes “Next” will scroll through them. Step 5.
  • Page 55 NOTICE The ICON control system can produce soft and hard lockouts. Soft lockouts are displayed if active and are not stored in Diagnostic Mode history. The control will periodically attempt to resume normal operation when in soft lockout conditions. If the system resumes normal operation a soft lockout will clear instantly;...
  • Page 56 Definition Error Code Cause of Problem and Actions Taken to Correct of Code • Appears after alert 172, defined below. • Check the water temperature sensor wire harness from the sensor to the control module. • Water Make sure there are no loose connections to the control plug. •...
  • Page 57 Service Error Codes and Troubleshooting Procedures Procedure for Checking Thermostat Sensors Set the thermostat above water temperature (see temperature adjustment section) and observe system through one (1) complete cycle. Make sure system operates as desired. To check the sensor assembly, compare the resistance of the sensor wires (either outside black to center wire with yellow marking) as measured by an ohmmeter to the water temperature as measured by an accurate thermometer.
  • Page 58 Customer must specify complete model number and serial number when ordering service parts. Manufactured under one or more of the following U.S. Patents: 5,277,171; 5,341,770; 5,372,185; 5,485,879; 5,574,822; 5,596,952; 5,660,165; 5,682,666; 5,761,379; 5,943,984; 5,954,492; 5,988,117; 6,056,542; 6,142,216; 6,442,178; 6,684,821; 6,935,280; 7,063,132; 7,063,133; 7,007,748; 7,270,087; 7,334,419; 7,337,517;...

  • Page 59: Notes

    NOTES...
  • Page 60 NOTES...

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