Manuals / Bradford-White Corp / Household Appliance / Water Heater

Bradford-White Corp 238-48384-00F Danger, Table Of Contents, Section I Important Information

Models: ULTRA HIGH EFFICIENCY COMMERCIAL GAS WATER HEATER 238-48384-00F

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SECTION I: IMPORTANT INFORMATION

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.

This water heater must be installed in accordance with local codes. In the absence of local codes, it must be installed in compliance with the National Fuel Gas Code (ANSI 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.

DANGER

Indicates an imminently hazardous situation, which, if not avoided, will result in death, serious injury or substantial property damage.

CAUTION

Indicates potentially hazardous situation, which, if not avoided, may result in moderate or minor injury or property damage.

WARNING

Indicates a potentially hazardous situation, which, if not avoided, could result in death, serious injury or substantial property damage.

NOTICE

Indicates special instructions on installation, operation or maintenance, which are important but not related to personal injury hazards.

NOTICE

This water heater has a limited warranty. The warranty for this water heater is valid only if the water heater has been installed, maintained and operated in accordance with these instructions.

TABLE OF CONTENTS

I	IMPORTANT INFORMATION	2
II	SPECIFICATIONS	5
III	GENERAL INFORMATION	6
IV	INSTALLATION INSTRUCTIONS	9
V	WATER CONNECTIONS	15
VI	VENTING	17
VII	GAS CONNECTIONS	36

VIII

IX

X

XI

XII

ELECTRICAL CONNECTIONS	38
OPERATING INSTRUCTIONS	39
MAINTENANCE	48
DIAGNOSTICS AND TROUBLE SHOOTING
GUIDE	52
PARTS LIST	71

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Bradford-White Corp 238-48384-00F warranty Danger, Table Of Contents, Section I Important Information, Read Carefully

Contents

ULTRA HIGH EFFICIENCY COMMERCIAL GAS WATER HEATER WITH TROUBLESHOOTING GUIDEINSTALLATION/OPERATING MANUAL EF Series ModelsSECTION I IMPORTANT INFORMATION TABLE OF CONTENTSDANGER READ CAREFULLYDANGER DO NOT tamper with or alter the water heater and/or controlsDO NOT OPERATE THE APPLIANCE UNTIL THE LEAKAGE IS CORRECTED Table 1. Specifications SECTION II SPECIFICATIONSFigure 1. Dimensional Layout FEATURES SECTION III GENERAL INFORMATIONTEMPERATURE AND PRESSURE RELIEF VALVE DISHWASHING MACHINE REQUIREMENTS Figure 2. Condensate Elbow With TrapSECTION IV INSTALLATION INSTRUCTIONS DO NOT OPERATE THE APPLIANCE UNTIL THE LEAKAGE IS CORRECTEDUNPACKING Figure 3a. Minimum Clearance To Combustible MaterialREMOVE CRATE Figure 3b. Recommended Minimum Clearances For Service AccessDANGER MECHANICAL EXHAUSTING OF ROOM AIR LOCATIONAIR REQUIREMENTS UNCONFINED SPACEFigure 4. Typical Front Inlet Connection TYPICAL INSTALLATION ILLUSTRATIONCHEMICAL VAPOR CORROSION Figure 5. Typical Front Inlet Connect with Storage HeaterFigure 7. Typical Three Water Heater Connection Figure 8. Typical Four Water Heater ConnectionSCALDING SECTION V WATER CONNECTIONSINSTRUCTIONS FOR CONNECTIONS APPROXIMATE TIME/TEMPERATURE RELATIONSHIPS IN SCALDS ALTERNATE SPACE HEATING WATER CONNECTIONSApproximate Time/Temperature Scald Chart DANGERSECTION VI VENTING Figure 10. Typical Plumbing Schematic for Zoned HeatingApproved Venting Materials For installations in the US onlyFor installations in CANADA Approved Primers and CementsDIRECT VENT INSTALLATION VENTINGPage of opening height 15 feet 4.6 mside of opening above openingFigure 11b. Direct Vent Terminal Clearances Horizontal Installation Follow the following procedure for direct venting through the wallWARNING! DO NOT USE 2” VENT WITH EF100T250/300 MODELS Figure 12. Typical Horizontal Direct Vent SystemFigure 13. Typical Vertical Direct Vent System Installation Note Intake and exhaust terminals may be on different outside wallsThrough The Wall Venting With Low Ground Clearance WARNING! DO NOT USE 2” VENT WITH EF100T250/300 MODELSFigure 14. Vent Terminal Low Ground Clearance WARNING! DO NOT USE 2” VENT WITH EF100T250/300 MODELSFigure 15. Typical Horizontal Power Vent System WARNING! DO NOT USE 2” VENT WITH EF100T250/300 MODELSPOWER VENT INSTALLATION WARNING! DO NOT USE 2” VENT WITH EF100T250/300 MODELS Vertical InstallationFigure 16. Typical Vertical Power Vent System Installation Power Vent Maximum Vent Length WARNING! DO NOT USE 2” VENT WITH EF100T250/300 MODELSMULTIPLE INTAKE/EXHAUST TERMINAL SEPARATION DISTANCES CONCENTRIC VENT TERMINAL INSTALLATION PROCEDURE Figure 20. Concentric Vent Kit Part IdentificationFigure 21. Rain Cap to Small Vent Pipe Assembly Figure 22. Concentric Vent Roof Top AttachmentFigure 23A. Concentric Vent Side Wall Attachment WARNING! DO NOT VENT PIPE PREPARATIONB DIMENSION USE 2” VENT WITHFor installations in the US only For installations in the US onlyFor installations in CANADA For installations in CANADASECTION VII GAS CONNECTIONS Figure 24. Drip LegGAS METER SIZE - NATURAL GASES ONLY GAS PRESSURE REGULATIONFigure 25. Wiring Diagram and Schematic SECTION VIII ELECTRICAL CONNECTIONSTO FILL THE WATER HEATER SECTION IX OPERATING INSTRUCTIONSGENERAL INSTRUCTIONS SEQUENCE OF OPERATIONLighting Instruction Label FOR YOUR SAFETY READ BEFORE LIGHTINGLIGHTING AND SHUT-DOWN INSTRUCTIONS LIGHTING INSTRUCTIONSDANGER TEMPERATURE ADJUSTMENTAPPROXIMATE TIME/TEMPERATURE RELATIONSHIPS IN SCALDS Sequence of operation Indicator Reads Idle” or “Heating Water Heater Display and Control ButtonsShown flashing in display only when temp is adjusted Status Indicator Read Operational or Service Needed Select buttonStep To Increase Setpoint TemperatureStep StepStep To Decrease Setpoint TemperatureStep 3Press SET for setting to take effect immediately StepStep To Change Temperature Format in Display from F to C or ˚C to ˚FStep 3a Step StepChanges to F F/C Flashes Do not run out of propane gas. Damage to the water heater may occur DANGER SECTION X MAINTENANCEGENERAL BURNER FLAME CHECKCOMPONENT MAINTENANCE SCHEDULESuggested Maintenance Schedule OPERATIONTo inspect or replace an anode ANODE INSPECTION AND REPLACEMENTTo remove sediment and lime scale VENT AND AIR INTAKE SYSTEM DRAIN VALVE AND TANK ACCESS PANELRELIEF VALVE COMBUSTION SYSTEM INSPECTIONSEQUENCE OF OPERATION SECTION XI DIAGNOSTIC AND TROUBLESHOOTING GUIDEDIRECT SPARK HONEYWELL INTEGRATED CONTROL SYSTEM Step 2 Pressing “Select” button will change display to next mode Max Setpoint next to Temperature  Setpoint valueError Code Shown in Water Heater Display Max Setpoint value in Water Heater Display 2. Water Temperature Sensor Reading1. Max Setpoint Display/Change 4. Setpoint Display/Change 5. ˚F/˚C Display/Changeidle No current error codes7. Software Version Display only SELECTF Max Setpoint idle Status Operational SELECT SET Max Setpoint FlashesF Max Setpoint idle Status Operational SELECT SET Exiting Service Mode Water Display of Water TemperatureTo Display Flame Sense Current of the Pilot Flame Sensor TempTo Display and Change Temperature Setpoint NOTICE Page Page F/C Symbol Stops Flashing Resetting Error Codes in Hard Lockout Condition How to reset the control from Lockout ConditionsResetting Error Codes in Soft Lockout Condition to enter service modeError Codes and Error History Display Error Code HistoryTo view previous error codes Page Exiting SELECTService SETMode Page Clean or replace as needed. Check the burner flame and observe the ErrorCause of Problem and Actions Taken to Correct Water temperature in tank has exceeded 200F 93C. Check tank sensorIn Degrees C Procedure for Checking Thermostat SensorsIn Degrees F SECTION XII PARTS LIST EF - Series Water HeaterCombustion Surround Assembly Ignition Control Assembly 2 Combustion Assy pictured previous pagePage