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Bradford-White Corp
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Water Heater
Bradford-White Corp
238-48384-00F, ULTRA HIGH EFFICIENCY COMMERCIAL GAS WATER HEATER warranty
Models:
ULTRA HIGH EFFICIENCY COMMERCIAL GAS WATER HEATER
238-48384-00F
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Troubleshooting
Specs
Install
Parts list
Error codes
Approximate Time/Temperature Scald Chart
Anode Inspection And Replacement
Dimension
Maintenance
Cause of Problem and Actions Taken to Correct
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NOTES
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Contents
WITH TROUBLESHOOTING GUIDE
INSTALLATION/OPERATING MANUAL
ULTRA HIGH EFFICIENCY COMMERCIAL GAS WATER HEATER
EF Series Models
TABLE OF CONTENTS
DANGER
SECTION I IMPORTANT INFORMATION
READ CAREFULLY
DANGER
DO NOT tamper with or alter the water heater and/or controls
DO NOT OPERATE THE APPLIANCE UNTIL THE LEAKAGE IS CORRECTED
Figure 1. Dimensional Layout
SECTION II SPECIFICATIONS
Table 1. Specifications
FEATURES
SECTION III GENERAL INFORMATION
TEMPERATURE AND PRESSURE RELIEF VALVE
DISHWASHING MACHINE REQUIREMENTS
Figure 2. Condensate Elbow With Trap
SECTION IV INSTALLATION INSTRUCTIONS
DO NOT OPERATE THE APPLIANCE UNTIL THE LEAKAGE IS CORRECTED
UNPACKING
Figure 3a. Minimum Clearance To Combustible Material
DANGER
Figure 3b. Recommended Minimum Clearances For Service Access
REMOVE CRATE
LOCATION
AIR REQUIREMENTS
MECHANICAL EXHAUSTING OF ROOM AIR
UNCONFINED SPACE
TYPICAL INSTALLATION ILLUSTRATION
CHEMICAL VAPOR CORROSION
Figure 4. Typical Front Inlet Connection
Figure 5. Typical Front Inlet Connect with Storage Heater
Figure 7. Typical Three Water Heater Connection
Figure 8. Typical Four Water Heater Connection
INSTRUCTIONS FOR CONNECTIONS
SECTION V WATER CONNECTIONS
SCALDING
ALTERNATE SPACE HEATING WATER CONNECTIONS
Approximate Time/Temperature Scald Chart
APPROXIMATE TIME/TEMPERATURE RELATIONSHIPS IN SCALDS
DANGER
SECTION VI VENTING
Figure 10. Typical Plumbing Schematic for Zoned Heating
For installations in the US only
For installations in CANADA
Approved Venting Materials
Approved Primers and Cements
DIRECT VENT INSTALLATION
VENTING
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height 15 feet 4.6 m
side of opening
of opening
above opening
Figure 11b. Direct Vent Terminal Clearances
Horizontal Installation
Follow the following procedure for direct venting through the wall
WARNING! DO NOT USE 2” VENT WITH EF100T250/300 MODELS
Figure 12. Typical Horizontal Direct Vent System
Note Intake and exhaust terminals may be on different outside walls
Through The Wall Venting With Low Ground Clearance
Figure 13. Typical Vertical Direct Vent System Installation
WARNING! DO NOT USE 2” VENT WITH EF100T250/300 MODELS
Figure 14. Vent Terminal Low Ground Clearance
WARNING! DO NOT USE 2” VENT WITH EF100T250/300 MODELS
POWER VENT INSTALLATION
WARNING! DO NOT USE 2” VENT WITH EF100T250/300 MODELS
Figure 15. Typical Horizontal Power Vent System
Figure 16. Typical Vertical Power Vent System Installation
Vertical Installation
WARNING! DO NOT USE 2” VENT WITH EF100T250/300 MODELS
Power Vent Maximum Vent Length
WARNING! DO NOT USE 2” VENT WITH EF100T250/300 MODELS
MULTIPLE INTAKE/EXHAUST TERMINAL SEPARATION DISTANCES
CONCENTRIC VENT TERMINAL INSTALLATION PROCEDURE
Figure 20. Concentric Vent Kit Part Identification
Figure 21. Rain Cap to Small Vent Pipe Assembly
Figure 22. Concentric Vent Roof Top Attachment
Figure 23A. Concentric Vent Side Wall Attachment
VENT PIPE PREPARATION
B DIMENSION
WARNING! DO NOT
USE 2” VENT WITH
For installations in the US only
For installations in CANADA
For installations in the US only
For installations in CANADA
SECTION VII GAS CONNECTIONS
Figure 24. Drip Leg
GAS METER SIZE - NATURAL GASES ONLY
GAS PRESSURE REGULATION
Figure 25. Wiring Diagram and Schematic
SECTION VIII ELECTRICAL CONNECTIONS
SECTION IX OPERATING INSTRUCTIONS
GENERAL INSTRUCTIONS
TO FILL THE WATER HEATER
SEQUENCE OF OPERATION
FOR YOUR SAFETY READ BEFORE LIGHTING
LIGHTING AND SHUT-DOWN INSTRUCTIONS
Lighting Instruction Label
LIGHTING INSTRUCTIONS
APPROXIMATE TIME/TEMPERATURE RELATIONSHIPS IN SCALDS
TEMPERATURE ADJUSTMENT
DANGER
Water Heater Display and Control Buttons
Shown flashing in display only when temp is adjusted
Sequence of operation Indicator Reads Idle” or “Heating
Status Indicator Read Operational or Service Needed Select button
To Increase Setpoint Temperature
Step
Step
Step
To Decrease Setpoint Temperature
Step 3Press SET for setting to take effect immediately
Step
Step
Step 3a
To Change Temperature Format in Display from F to C or ˚C to ˚F
Step
Changes to F F/C Flashes
Step
Step
Do not run out of propane gas. Damage to the water heater may occur
SECTION X MAINTENANCE
GENERAL
DANGER
BURNER FLAME CHECK
MAINTENANCE SCHEDULE
Suggested Maintenance Schedule
COMPONENT
OPERATION
To remove sediment and lime scale
ANODE INSPECTION AND REPLACEMENT
To inspect or replace an anode
DRAIN VALVE AND TANK ACCESS PANEL
RELIEF VALVE
VENT AND AIR INTAKE SYSTEM
COMBUSTION SYSTEM INSPECTION
DIRECT SPARK HONEYWELL INTEGRATED CONTROL SYSTEM
SECTION XI DIAGNOSTIC AND TROUBLESHOOTING GUIDE
SEQUENCE OF OPERATION
Error Code Shown in Water Heater Display
Max Setpoint next to Temperature Setpoint value
Step 2 Pressing “Select” button will change display to next mode
1. Max Setpoint Display/Change
2. Water Temperature Sensor Reading
Max Setpoint value in Water Heater Display
4. Setpoint Display/Change
5. ˚F/˚C Display/Change
No current error codes
7. Software Version Display only
idle
SELECT
F Max Setpoint idle Status Operational SELECT SET
Max Setpoint Flashes
F Max Setpoint idle Status Operational SELECT SET
Exiting Service Mode
Display of Water Temperature
To Display Flame Sense Current of the Pilot Flame Sensor
Water
Temp
To Display and Change Temperature Setpoint
NOTICE
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F/C Symbol Stops Flashing
How to reset the control from Lockout Conditions
Resetting Error Codes in Soft Lockout Condition
Resetting Error Codes in Hard Lockout Condition
to enter service mode
To view previous error codes
Error Code History
Error Codes and Error History Display
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Exiting SELECTService SETMode
Page
Error
Cause of Problem and Actions Taken to Correct
Clean or replace as needed. Check the burner flame and observe the
Water temperature in tank has exceeded 200F 93C. Check tank sensor
In Degrees F
Procedure for Checking Thermostat Sensors
In Degrees C
SECTION XII PARTS LIST
EF - Series Water Heater
Combustion Surround Assembly
Ignition Control Assembly
2 Combustion Assy pictured previous page
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