Bradford White D100T Instruction Manual
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Bradford White D100T Instruction Manual

Bradford White D100T Instruction Manual

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CONDENSING POWER VENT GAS WATER HEATER
A Spanish language version of these instructions is available by contacting the
company listed on the rating plate.
Hay disponible una versión en español de estas instrucciones al comunicarse con
la compañía que se menciona en la placa de datos de servicio.
WARNING:
followed exactly, a fire or explosion may result causing
property damage, personal injury, or death.
Do not store or use gasoline or other flammable,
combustible, or corrosive 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.
Installation and service must be performed by a qualified
installer, service agency or the gas supplier.
For your family's comfort, safety and convenience we
recommend this water heater be installed and serviced by a
INSTALLATION AND OPERATION
INSTRUCTION MANUAL
If the information in these instructions is not
FOR YOUR SAFETY
plumbing professional.
238-50845-00B REV 02/16

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  • Page 1 CONDENSING POWER VENT GAS WATER HEATER A Spanish language version of these instructions is available by contacting the company listed on the rating plate. Hay disponible una versión en español de estas instrucciones al comunicarse con la compañía que se menciona en la placa de datos de servicio. INSTALLATION AND OPERATION INSTRUCTION MANUAL WARNING:...
  • Page 2 CONGRATULATIONS! You have just purchased one of the finest water heaters on the market today! This installation and operation manual will explain in detail the installation and maintenance of your new Condensing Power Vent Gas Water Heater. We strongly recommend that you contact a plumbing professional for the installation of this water heater.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS page GENERAL INFORMATION ..............INSTALLATION.................. Locating the Water Heater ............Minimum Clearances ..............Venting ..................Vent Pipe Preparation and Joining ..........19 Combustion Air Supply .............. 21 Water Connections ..............23 Condensate Drain Connection ........... 26 Gas Connections .................

  • Page 4: General Information

    GENERAL INFORMATION This gas-fired water heater is design certified by CSA International under the American National Standard Z21.10.3 and CAN/CGA 4.3-M most current editions at the time of manufacture. This water heater must be installed in accordance with local codes or, in the absence of local codes, the National Fuel Gas Code, ANSI Z223.1-Latest Edition) and/or in Canada CAN/CGA B149 Installation Codes (Latest Editions).

  • Page 5: Installation

    General Information continued- Sacrificial anodes are used to extend tank life. Anode removal, for any reason with the exception of anode replacement, except for inspection and/or replacement, 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 anodes and the impurities in the water.
  • Page 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 chemicals, calcium and sodium chloride, waxes and process chemicals.
  • Page 7 Installation (Locating the Water Heater) continued- WARNING DO NOT ATTEMPT TO LIGHT ANY GAS APPLIANCE IF YOU ARE NOT CERTAIN OF THE FOLLOWING:  Liquefied petroleum gases/propane gas and natural gas have an odorant added by the gas supplier that aids in the detection of the gas.

  • Page 8: Minimum Clearances

    Minimum Clearances WARNING Failure to adhere to these installation and operation instructions may create a hazard to life and property and will nullify the warranty. 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.
  • Page 9 Venting continued- Canadian US Installations Installations Clearance above grade, veranda, 12 inches 12 inches porch, deck or balcony (30 cm) (30 cm) Clearance to window or door that may 36 inches 4 feet (1.2 m) below or be opened (91 cm) to the side of opening;...
  • Page 10 WARNING The approved polypropylene venting system Instruction Supplement listed on the Bradford White website for each manufacturer’s venting system must be carefully read and followed by a qualified installer. Failure to properly install the vent system may result in property damage, personal injury, or death.
  • Page 11 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.
  • Page 12 Venting System Condensation Condensate formation will occur in the venting of this condensing power vent water heater. In order to effectively drain the condensate from the venting, tubing has been installed on a factory supplied exhaust adapter with drain outlet mounts on the blower. The tubing will drain any accumulated condensate from the venting system.
  • Page 13 Venting continued- TABLE 1 - VENT CONNECTOR LENGTHS FOR 2” (5.1 cm) DIAMETER VENT PIPE Terminating # of 90° Elbows Maximum straight Min. straight (excl. vent term) Length ft (m) Length ft (m) Through the Wall 45 (13.7) 2 (.6) Through the Wall 40 (12.2) 2 (.6)
  • Page 14 Venting continued- Connection to 2” (5.1 cm) Connection to a 2” (5.1 cm) to vent pipe 3” (7.6 cm) reducer Figure 2 NOTE: When connection is made to a 4” (10.2 cm) vent pipe, the reducer must be applied to the 2” (5.1 cm) pipe attached to the blower exhaust as shown. IMPORTANT All venting connections must be leak checked with a soap and water solution upon initial startup of the water heater.
  • Page 15 Venting continued- THROUGH THE WALL VENTING: (HORIZONTAL VENTING) Cut a 2 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 45°...
  • Page 16 Venting continued- THROUGH THE ROOF VENTING: (VERTICAL VENTING) 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 (Latest Edition).
  • Page 17 Venting continued- 2” vent installation 3” or 4” vent installation Figure 5 NOTE: For installations requiring both horizontal and vertical runs, the following rule must be followed: Total length of straight pipe (both horizontally and vertically) must not exceed the allowable length listed in the TABLE 4, TABLE 5 or TABLE 6 for total number of elbows used.
  • Page 18 Venting continued- TABLE 4 2” (5.1 cm) VENT CONNECTOR LENGTHS FROM INSIDE WALL FOR LOW GROUND CLEARANCE INSTALLATIONS Terminating # of Max Straight Elbows Length ft (m) straight (excl. vent Length term.) ft (m) 30 (9.1) 5 (1.5) (2) 90 Elbows with Vent Terminal 25 (7.6) 5 (1.5) (2) 90...

  • Page 19: Vent Pipe Preparation And Joining

    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. If you have any question about the application or installation of the venting system, contact the vent pipe manufacturer, supplier, or your plumbing professional.
  • Page 20 Vent Pipe Preparation and Joining continued- d) Cementing must be done quickly to avoid over-drying before joining. 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.

  • Page 21: Combustion Air Supply

    Combustion Air Supply WARNING Liquefied petroleum gas/propane gas is heavier than air and will remain at floor level if there is a leak. Basements, crawl spaces, closets and areas below ground level will serve as pockets for accumulation of leaking gas. Before lighting, smell all around the appliance area for gas.
  • Page 22 Installation (Combustion 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.

  • Page 23: Water Connections

    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 leaking out of the pipes while making the water connections to the water heater.
  • Page 24 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 production of listed equipment or materials as meeting the requirements of the Standard for Relief Valves and Automatic Gas Shutoff Devices for Hot Water Supply Systems, ANS Z21.22 or the...
  • Page 25 Water Connections continued- WARNING 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). Hydrogen gas is extremely flammable. To prevent the possibility of injury under these conditions, we recommend the hot water faucet to be open for several minutes at the kitchen sink before you use any electrical appliance which is connected to the hot water system.

  • Page 26: Condensate Drain Connection

    Condensate Drain Connection: This is a condensing water heater and requires a drain to allow the condensate to discharge safely. If a drain is not in close proximity, a condensate pump may be required to pump the condensate to the closest drain. A self-priming trap is integrated in the condensate/pressure tube, allowing the connection to the ½”...

  • Page 27: Gas Connections

    Gas Connections WARNING Prior to connecting the gas supply line to a gas fired water heater, ensure that the gas supply line does not have moisture/water or dirt/scale inside the gas line. Commonly this check is done at the lowest point in the gas distribution system prior to gas burning appliances.

  • Page 28: Electrical Connections

    Gas Connections continued- CAUTION The water heater and individual shutoff valve must be disconnected from the gas supply piping system during any pressure testing of the system at test pressures in excess of 1/2 psi (3.5 kPa). The water heater must be isolated from the gas supply piping system by closing its manual shutoff valve during any pressure testing of the gas supply system at test pressures equal to or less than 1/2 psi (3.5 kPa).

  • Page 29: Wiring Diagram

    Wiring Diagram Figure 7...

  • Page 30: General Operation

    GENERAL OPERATION 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 31: Lighting And Shutdown Instructions

    Lighting and Shutdown Instructions Figure 8...

  • Page 32: Thermostat Adjustment

    Thermostat Adjustment The thermostat dial is adjusted to its lowest setting when shipped from the factory. When adjusting the thermostat, it should be remembered that lower temperature settings are more energy efficient. To adjust the thermostat turn the dial clockwise until the minimum acceptable temperature is set. It is suggested that the starting point setting not exceed the 120°F (49°C) or “HOT”...

  • Page 33: Burner Flame Check

    Burner Flame Check Steel Burner: These models are equipped with self-adjusting air mixture and do not have an adjustable air shutter (See Figure 10). At periodic intervals a visual check of the main burner and pilot flames should be made to determine if they are burning properly.

  • Page 34: Maintenance

    MAINTENANCE 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 35 Maintenance continued- 5. Annually remove the inner door and main burner assembly to clean orifices and 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.
  • Page 36 Maintenance continued CAUTION FOR YOUR SAFETY, DO NOT ATTEMPT REPAIR OF GAS CONTROL, BURNERS OR GAS PIPING. REFER REPAIRS TO A QUALIFIED SERVICE TECHNICIAN. 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.

  • Page 37: Troubleshooting

    Troubleshooting LED Status Control Status Probable Cause None (LED not on or  Electrical power not  Control power switch in “OFF” position.  Supply  flashing)  present.  voltage interrupted.  Stand‐by mode, One short flash every  Thermostat is  Temperature demand is satisfied (no call for heat).  four seconds  satisfied (no faults).  Alternates bright and  Thermostat calling Tank temperature below set point of thermostat.  dim (Heartbeat)  for heat (no fault).  1. Unstable pilot. 2. Pilot tube block or restricted.  Short flash once  3. Oxidation build up on pilot electrode.  Weak pilot signal on  every second  last call for heat.  4. Wire damage to pilot assembly or bad connection  at gas valve.  5. Low gas pressure.  Short flash once  Idle remote  1. Control put in idle or Sabbath mode from  every two seconds  command off  accessory module.                                 Pressure switch not  1. Pressure switch tubing kinked or blocked.  Two flashes, three  working‐closed ...
  • Page 38 Troubleshooting continued- LED Status Control Status Probable Cause 1. Pressure switch tubing kinked or blocked.  Pressure switch or  2. Vent blockage or improper vent configuration.  blower temperature  3. Vent termination being affected by windy  Six flashes‐two flashes,  switch opened  conditions.  three second pause  during burner  4. Blower not spinning up to speed.  (Soft lockout)  operation.  5. Vent temperature too high.  System auto resets  6. Faulty pressure switch or blower temperature  after 5 minutes.  switch.  1. Unstable pilot. 2. Pilot tube blocked or restricted.  Pilot flame  Six flashes‐three flashes,  3. Oxidation build up on pilot electrode.  extinguished.  three second pause (Soft  4. Wire damage to pilot assembly or bad connection  System resets after 5  lockout)  at gas valve.  minutes.  5. Insufficient combustion air.  6. Low gas pressure.  Six flashes‐four flashes,  Undesired‐false pilot  three second pause (Soft  flame sensed. ...
  • Page 39 Control Sequence of Operation Start-up Sequence Upon powering up, the control checks for the presence of the resistive plug. If the resistance is in the expected range, the control will begin normal operation after 5 to 8 seconds. Normal Heating Sequence 1.

  • Page 40: Parts List And Drawing

    PARTS LIST DRAWING (ACTUAL WATER HEATER VISUAL REPRESENTATION MAY VARY) PART NAME AND DESCRIPTION 1. Blower Assembly 13. Gas Valve 2. Pressure Switch (not shown) 14. Resistive Device 3. Blower temp. switch (not shown) 15. Drain Valve 4. Jacket Head 16.

  • Page 41: Space Heating

    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 applications must be suitable for use with potable water. In Massachusetts, space heating piping length must not exceed 50 feet.

  • Page 42: Notes

    NOTES...
  • Page 43 NOTES...
  • Page 44 NOTES...

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