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238-48384-00Q REV 03/21

ULTRA HIGH EFFICIENCY COMMERCIAL GAS

WATER HEATER INSTALLATION & OPERATION MANUAL

WITH TROUBLESHOOTING GUIDE

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 supp

lier’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.

If the information in these instructions is
not followed exactly, a fire or explosion
may result causing property damage,
personal injury or death.

WARNING

KEEP THESE INSTRUCTIONS FOR FUTURE REFERENCE

Содержание 100T199

Страница 1: ...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 If the information in these instructions is not followed exac...

Страница 2: ...SI Z223 1 Latest Edition or in Canada CAN CGA B149 1 Natural Gas Installation Code Latest Edition or CAN CGA B149 2 Propane Installation Code Latest Edition The following terms are used throughout this manual to bring attention to the presence of hazards at various risk levels or to important information concerning product life READ CAREFULLY This water heater has a limited warranty The warranty f...

Страница 3: ...e relief valve is installed into the proper location at the top of this water heater It is the responsibility of the installing contractor to see that all controls are correctly installed and are properly operating when the installation is complete This water heater is suitable for installation on combustible flooring DO NOT install water heater directly on carpeting DO NOT operate this water heat...

Страница 4: ...scaping through the pipes as hot water begins to flow DO NOT smoke or have open flame near the faucet at the time it is open 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 appl...

Страница 5: ...1 2 72 5 8 74 1 4 1 1 2 1 3 4 3 4 900 100T250 250 000 100 69 7 16 69 7 16 28 1 4 5 12 7 8 60 1 16 62 1 2 72 5 8 74 1 4 1 1 2 1 3 4 1 900 100T300 300 000 100 69 7 16 69 7 16 28 1 4 5 12 7 8 60 1 16 62 1 2 72 5 8 74 1 4 1 1 2 1 3 4 1 900 DIMENSIONS MILLIMETERS Model No Input Rate KW Storage Capacity Liter A Height B Floor to Top of Heater C Dia D Floor to Vent Outlet E Floor to Inlet Water Conn F Fl...

Страница 6: ...erious personal injury and or death The temperature may be adjusted from about 70 F 21 C to about 180 F 82 C The thermostat was adjusted to 70 F 21 C before the water heater was shipped from the factory It is recommended that lower temperatures be used to avoid the risk of scalding Refer to the warnings and the section on Scalding in Section V Water Connections page 15 It is further recommended in...

Страница 7: ...e or any distance below the structural floor and cannot contact any live electrical part The discharge line is to be installed to allow for complete drainage of both the combination temperature and pressure relief valve and the discharge line The discharge opening must not be subjected to blockage or freezing DO NOT thread plug or cap the discharge line It is recommended that a minimum clearance o...

Страница 8: ...ly comparing this current with the potential between the anode rod and tank wall to make corrections The powered anode system is designed to extend the tank life without requiring anode rod replacement The powered anode system consists of two titanium powered anode rods located in the front top of the water heater tank and a powered anode control module located on the right side of the control pan...

Страница 9: ...call your gas supplier from a telephone in another building Follow the gas supplier s instructions If you cannot reach your gas supplier call the fire department DO NOT OPERATE THE APPLIANCE UNTIL THE LEAKAGE IS CORRECTED WARNING This water heater must be located in an area where leakage of the tank water line connections or the combination temperature and pressure relief valve will not result in ...

Страница 10: ...irectly on carpeting If the water heater is to be installed on carpeting it must be installed on top of a metal or wood panel extending beyond the full width and depth of the appliance by at least three 3 in 7 6 cm in any direction or if the appliance is to be installed in an alcove or closet the entire floor must be covered by the panel 4 FOR BASEMENT INSTALLATION provide a solid level elevated b...

Страница 11: ...ll Temperature And Pressure Relief Valve if not already installed DANGER Temperature setting should not exceed safe temperature at fixtures See water temperature control warning in Section V Water Connections page 15 If higher preheat temperatures are necessary to obtain adequate booster output add an ASSE approved mixing device for hot water supplied to fixtures WARNING Temperature and pressure r...

Страница 12: ...tal input of all gas utilization equipment installed in the combined space must be considered in making this determination Each opening must have a minimum free area of 1 in2 1000 BTU hr 2200 mm2 kW of the total input rating of all gas utilization equipment in the confined space but not less than 100 in 2 0 06 m2 One opening must be within 12 in 31 cm of the top and one within 12 in 31 cm of the b...

Страница 13: ...pool chemicals calcium and sodium chloride waxes and process chemicals are corrosive Products of this sort should not be stored near the water heater or outside by the air intake if applicable Typical Installation Illustration Figure 4 Typical Front Inlet Connection Figure 5 Typical Front Inlet Connect with Storage Heater Figure 6 Typical Two Water Heater Connection CAUTION If the building cold wa...

Страница 14: ...14 Installation Instructions continued Figure 7 Typical Three Water Heater Connection Figure 8 Typical Four Water Heater Connection ...

Страница 15: ...water supply system such as the one having a back flow preventer in the cold water supply provisions must be made to control thermal expansion Do NOT operate this water heater in a closed system without provisions for controlling thermal expansion Warranties do NOT cover damages from thermal expansion such as pressure bulges and or deformities Your water supplier or local plumbing inspector should...

Страница 16: ... shall be installed to temper the water for those uses in order to reduce scald hazard potential Failure to properly pipe this water heater may result in improper operation and damage to the water heater or structure Oxygen contamination of this water heater will cause corrosion of iron and steel components and can lead to water heater failure Connect the system supply and return piping to the wat...

Страница 17: ...ncludes locations close to or across from windows and doors Avoid anchoring the vent and intake pipes directly to framed walls floors or ceilings unless rubber isolation pipe hangers are used This prevents any vibrations from being transmitted into the living spaces DO NOT exceed the venting distances or the number of elbows listed in this manual Exceeding the maximum venting distances may cause t...

Страница 18: ...ed with other system manufacturer s vent system parts The supplied vent connector and vent termination are certified under ULC S636 and are also certified as part of the water heater Refer to the following tables for approved venting materials primers and cements All approved primers and cements are to be used within their marked time limitations Approved Venting Materials For installations in the...

Страница 19: ... installed to prevent flue gases from being discharged into the room High levels of dust and debris such as road and construction dust insects and tree pollen may clog the burner resulting in poor performance and damage to the water heater Avoid air intake locations where debris can be created such as exhaust ventilation hoods gravel parking lots and near outdoor spotlights that attract bugs For t...

Страница 20: ...ertical clearance to ventilated soffit located above the terminal within a horizontal distance of 2 feet 61 cm from the center line of the terminal b b K Clearance to a mechanical air supply inlet 6 feet 1 83 m 3 feet 91 cm above if within 10 feet horizontally E Clearance to unventilated soffit b b L Clearance above paved sidewalk or paved driveway located on public property 7 feet 2 13 m 7 feet 2...

Страница 21: ...s 10 000 Btuh 3 kW 9 in 23 cm for appliances 10 000 Btuh 3 kW and 50 000 Btuh 15 kW 12 in 30 cm for appliances 50 000 Btuh 15 kW D Vertical clearance to ventilated soffit located above the terminal within a horizontal distance of 2 feet 61 cm from the center line of the terminal 12 inches 30 cm a 12 inches 30 cm a K Clearance to a mechanical air supply inlet 6 feet 1 83 m 3 feet 91 m above if with...

Страница 22: ...vent piping with hangers and clamps may result in damage to the water heater or venting system 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 place or if the pipe cannot move freely through a wall penetration the pipe may be directly stressed or high thermal stresses may be formed when the pipe heats ...

Страница 23: ...h thermal stresses may be formed when the pipe heats up and expands Install accordingly to minimize such stresses Follow the following procedure for direct venting through the roof 1 Cut the necessary holes through the roof and ceiling Cut two 2 3 8 in 6 cm diameter holes for 2 in 5 1 cm diameter pipe two 3 1 2 in 8 9 cm diameter holes for 3 in 7 6 cm diameter pipe two 4 1 2 in 11 4 cm diameter ho...

Страница 24: ... 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 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 Figure 14 Vent Terminal Low Ground Clearance WARNING DO NOT USE 2 VENT WITH 100T250 300 MODELS WARNING...

Страница 25: ...50 ft 45 7 m 65 19 8 m 130 39 6 m 55 16 7 m 110 33 5 m 60T125 60T150 60T199 100T150 6 Vent Pipe Power Direct Vent Power Vent Power Direct Vent Power Vent Power Direct Vent Power Vent Power Direct Vent Power Vent Max Intake Length 85 25 9 m N A 75 22 8 m N A 65 19 8 m N A 85 25 9 m N A Max Exhaust Length 85 25 9 m 170 ft 51 8 m 75 22 8 m 150 45 7 m 65 19 8 m 130 39 6 m 85 25 9 m 170 51 8 m 100T199 ...

Страница 26: ...information in this manual under LOCATION OF WATER HEATER and CLEARANCES and with National Fuel Gas Code and local codes 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 should be installed with a slight upward slope of 1 4 in ft The vent system must be supported every 5 ft...

Страница 27: ...th hangers and clamps may result in damage to the water heater or venting system Follow the following procedure to vent through the roof 1 Cut the necessary holes through the roof and ceiling Cut one 2 3 8 in 6 cm diameter hole for 2 in 5 1 cm diameter pipe one 3 1 2 in 8 9 cm diameter hole for 3 in 7 6 cm diameter pipe one 4 1 2 in 11 5 cm diameter hole for 4 in 10 2 cm diameter pipe or one 6 5 8...

Страница 28: ...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 Figure 17 Vent Terminal Low Ground Clearance Figure 18 Multiple Intake Exhaust Terminal Separation Distances WARNING DO NOT USE 2 VENT WITH 100T250 300 MODELS ...

Страница 29: ...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 product damage or improper operation personal injury or death CAUTION DO NOT use field supplied couplings to extend pipes Airflow restriction will occur and the water heater pressure switches may cause intermittent...

Страница 30: ...in 4 in 4 in 6 5 8 in 2 Determine the best location for the termination kit 3 Cut the recommended 3 in 8 9 cm diameter hole for 2 in 5 1 cm vent termination 6 5 8 in 16 9 cm diameter hole for 4 in 10 2 cm vent termination or 4 in 11 5 cm for 3 in 7 6 cm vent termination 4 Partially assemble vent kit by performing the following a Cement concentric Y fitting to larger diameter pipe see Figure 20 b C...

Страница 31: ...concentric y fitting assembly see Figure 20 See Figure 22 for proper pipe attachment 9 Operate heater through one cycle to ensure combustion air and vent pipes are properly connected and sealed to concentric vent termination connections Figure 22 Concentric Vent Roof Top Attachment Horizontal Installation 1 Become familiar with the approved coaxial vent kits from IPEX as shown in Table 4 and Figur...

Страница 32: ...mall diameter pipe assembly in concentric Y fitting and large pipe assembly Ensure small diameter pipe is cemented and bottomed in concentric Y fitting 7 Secure assembly to structure as shown in Figure 23 Ensure clearances as shown in Figure 24 8 Cement heater combustion air and vent pipes to concentric Y fitting termination assembly See Figure 24 for proper pipe attachment 9 Operate heater throug...

Страница 33: ...rance requirements as shown in Figure 24 For multiple vent terminations ensure that a minimum clearance of 12 in 30 cm is maintained between edge of air inlet and adjacent vent outlet and that all vent pipes and air inlets terminate at the same height to avoid the recirculation of flue gases and the possibility of causing severe personal injury death or substantial property damage see Figure 27 In...

Страница 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 ...

Страница 35: ...e burrs Burrs must be removed from the inside and outside edges of the pipe to ensure a proper seal c Applicator Tools i A natural bristle paintbrush or roller may be used to apply cement Prompt application of the cement is important due its fast drying properties 3 Inspection Cleaning Priming and Cementing a Inspect the pipe inside and out for dirt dust moisture or grease etc Check pipe and fitti...

Страница 36: ...ith a soap and water solution and a brush or a commercial leak detector fluid NEVER USE A MATCH OR OPEN FLAME FOR TESTING The water heater is not intended for operation at higher than 14 in water column psi supply gas pressure Higher gas supply pressures require supplemental reducing service regulation Exposure to higher gas supply pressure may cause damage to the gas controls which could result i...

Страница 37: ... be between a maximum 14 in water column and a minimum supply pressure as shown on the rating plate The inlet gas pressure must not exceed the maximum value In some installations a regulator sized for the input rating of the water heater will need to be installed just ahead of the inlet gas connection to the water heater to reduce excess gas pressure or surges in gas pressure BEFORE PLACING THE WA...

Страница 38: ... the control box DO NOT plug the line cord into a receptacle that can have the power supply interrupted by a switch that is used to control lights or another appliance If wiring in conduit is required cut the line cord close to the control board and make the appropriate wiring connections Install an electrical conduit connector on the outside jacket of the water heater Refer to the wiring diagram ...

Страница 39: ... No demand due to burner switch register 199 turned off 9 DHW storage 10 Reserved 11 Warm weather shutdown 12 Hot standby Firing rate 00008 Read 002 Actual firing rate or RPM Fan speed 00009 Read 003 RPM Flame signal 00010 Read 004 0 01V or 0 01 µA precision 0 00 50 00V Tank temperature sensor 00012 Read 005 40 130 0 1 C precision Appliance setpoint 00017 Read 006 40 130 0 1 C precision Burner sta...

Страница 40: ...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 ...

Страница 41: ... service professional 1 Flooding to or above the level of the burner or controls 2 External firing 3 Damage 4 Firing without water 5 Sooting NEVER OPERATE THE WATER HEATER WITHOUT FIRST BEING CERTAIN IT IS FILLED WITH WATER AND A TEMPERATURE AND PRESSURE RELIEF VALVE IS INSTALLED IN THE RELIEF VALVE OPENING OF THE WATER HEATER General Instructions To Fill The Water Heater 1 Close the water heater ...

Страница 42: ...e some gas is heavier than air and will settle on the floor WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance Do not touch any electric switch do not use any phone in your building If you cannot reach your gas supplier call the fire department C Turn off main power to the water heater D Do not use this appliance if any part has been under water Immediately call a qualified service tech...

Страница 43: ...d 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 cooler tank surface This does not mean the tank is leaking During summer months the warmer incoming water temperatures will benefit the performance of your water heater and reduce the amount of condensation developed Condensation does...

Страница 44: ... to change the maximum setpoint limit max setpoint Make sure the water heater control display is not in a public area that can result in the temperature settings being improperly adjusted See previous warning on scalds and an ASSE approved mixing valve NOTICE When the maximum setpoint is reached the display will show Max Setpoint without the setpoint value The maximum setting is equal to approxima...

Страница 45: ...p 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 ICON System Control Only ...

Страница 46: ...or 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 Select Next while viewing DHW Setpoint in User Mode to access Rate screen Rate will only be displayed while the burner is operating Step 2 Select Next to go back to the DHW Setpoint screen ...

Страница 47: ...e work be performed by a qualified service agency If the water heater is to remain idle for 30 days or more or is subjected to freezing temperatures while shut off the water heater and piping should be fully drained See To Drain the Water Heater and the drain valve should be left fully open WARNING Hydrogen gas can be produced in an operating water heater that has not had water drawn from the tank...

Страница 48: ...l of lime scale The unit should be inspected and adjusted to maintain proper combustion Refer to Table 5 Suggested Maintenance Schedule next page A periodic inspection of the venting system should be made Burner Flame Check At the time of installation and at monthly intervals a visual check of the burner flames should be made to determine if they are burning properly The main burner may be seen th...

Страница 49: ...trap verify proper pitch 1 Year Powered Anode System Check LED inspect rods 1st year check rods to determine service interval check LED annually Relief Valve Function test Operate lever inspect for blockage or corrosion Vent Air Intake System Inspect Inspect joint seals vent supports clean air filter accessory kit if used Vent Terminals Free of blockage debris Clear intake and exhaust terminals cl...

Страница 50: ...iciency of the water heater and increases fuel consumption The usage of water softening equipment greatly reduces the hardness of the water However this equipment does not always remove all of the hardness lime For this reason it is recommended that a regular schedule of deliming be maintained The depth of the buildup should be measured periodically Water heaters will have about 3 in of lime build...

Страница 51: ...r heater will not turn off the powered anode system as long as the line cord is plugged in and the breaker is left on The powered anode control module is located on the right vertical side of the control panel inside the surround panel The control has a LED indicator light to show the status of operation When the tank is filled with water and the power supply is on to the water heater the light sh...

Страница 52: ...lve actuation pressure is equaled Then the relief valve will open allowing some water to escape slightly lowering the pressure Contact your water supplier or local plumbing inspector on how to control this situation WARNING Above all DO NOT plug the temperature and pressure relief valve This is NOT a solution and can create a hazardous situation Vent and Air Intake System Examine the vent and air ...

Страница 53: ...rdous condition Step 1 Press and hold the lower right button under Next in the lower right display for at least 3 seconds You must be in user mode on the DHW temp screen to access diagnostic mode If in user mode on the view rate screen you cannot access diagnostic mode Step 2 In the first screen of diagnostic mode the display will show the flame sense current in microamps when the burner is operat...

Страница 54: ...ple lockout codes Next will scroll through them Step 5 Press Next the display will show DHW MAX This is the maximum allowable temperature that the unit can get to before a lockout occurs Step 6 Press Next display will show DELTA T DHW this is the real time temperature reading of the tank Step 7 Press Done to exit Diagnostic Mode and return to the DHW setpoint in User Mode ...

Страница 55: ...Measure the resistance of each wire in the wire harness from the terminal ends Replace wire harness if defective If value remains out of range this hold will change to lockout 123 defined below 67 Normally closed vent safety circuit opened Check wiring to the normally closed blocked vent pressure switch and vent limit switch Use a voltmeter to find out if either the pressure switch or the high lim...

Страница 56: ...riod A log will be stored in service history Check gas valve wiring and gas valve operation during the ignition cycle If burner lights but quickly goes out check the flame sensor wire or the flame sensor If the flame sensor rod is badly corroded with deposits clean with sandpaper or replace Check the inlet gas supply to make sure the pressure is sufficient and does not drop after the gas valve ope...

Страница 57: ...0 13823 13477 13140 12812 12494 12185 70 11884 11592 11308 11032 10763 10502 10248 10000 9760 9526 80 9299 9078 8862 8653 8449 8250 8057 7869 7685 7507 90 7333 7165 7000 6839 6683 6531 6383 6238 6098 5961 100 5827 5697 5570 5446 5326 5208 5094 4982 4873 4767 110 4663 4562 4464 4368 4274 4183 4094 4006 3922 3839 120 3758 3679 3602 3527 3453 3382 3312 3244 3177 3112 130 3048 2986 2925 2866 2808 2752...

Страница 58: ..._____________________________________________________ Refer to the parts list on www bradfordwhite com for a complete parts listing and expanded views of the models covered in this manual 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 ...

Страница 59: ...59 NOTES ...

Страница 60: ...60 NOTES ...

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