Bradford White POWERED DIRECT VENT SERIES GAS-FIRED COMMERCIAL WATER HEATER Troubleshooting Guide

238-47707-00E REV 7/12 POWERED DIRECT VENT SERIES GAS-FIRED COMMERCIAL WATER HEATER (INDEPENDENT PVC VENTING)

10 LOCATE WATER HEATER in front of final position before removing crate. 1. LOCATE so that venting connections will be short and direct. 2. THIS W

11 SECTION V: VENTING WARNING Risk of carbon monoxide poisoning or fire due to joint separation or pipe breakage. This water heater must be prope

12NOTICE For installations in Canada, field supplied vent piping must comply with CAN/CGA B149.1 (latest edition) and be certified to the Standard Fo

13 Figure 3. Direct Vent Terminal Clearances Canadian Installations1 US Installations2 A= Clearance above grade, veranda, porch, deck or balcon

14The 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

15 Direct Vent System Installation (199,999 and 150,000 Btu/hr. input models) This water heater is a power direct vent appliance and is designed to

16 Through the Wall Venting: Cut two 3 1/2” (8.9 cm) diameter holes (for 3” (7.6 cm) diameter pipe) or 4 1/2” (11.4 cm) diameter holes (for 4” (10.2

17 Figure 6 Figure 7A Figure 7B

18 Figure 7C Through the Wall Venting With Low Ground Clearance: When venting cannot exit through the wall at a height greater than or equal to 12

19Direct Vent System Installation for Models with Input Ratings Over 200,000 Btu/Hr. Models with input ratings over 200,000 Btu/hr. must use 4” (10.

2SECTION I: IMPORTANT INFORMATION This water heater has a limited warranty. The warranty for this water heater is valid only if the water heater h

20 SECTION VI: WATER CONNECTIONS NOTE: BEFORE PROCEEDING WITH THE INSTALLATION, CLOSE THE MAIN WATER SUPPLY VALVE. After shutting off the main wat

21 This water heater can deliver scalding temperature water at any faucet in the system. Be careful whenever using hot water to avoid scalding inju

22 SECTION VII: GAS CONNECTIONS The gas supply lines must meet all requirements of the National Fuel Gas Code (ANSI Z223.1-Latest Edition), or in C

23SECTION IX: ELECTRICAL CONNECTIONS WARNING Turn off or disconnect the electrical power supply to the water heater before servicing. Label all w

24TYPICAL INSTALLATION Notes: The heat trap shown above is not part of the water heater, only a piping suggestion to reduce the standby heat loss

25 Lighting And Shutdown Instructions Temperature downDo not use this appliance if any part has been under water. Immediately call a qualified se

26SECTION X: OPERATING INSTRUCTIONS TEMPERATURE ADJUSTMENT APPROXIMATE TIME/TEMPERATURE RELATIONSHIPS IN SCALDS 120°F (49°C) More than 5 minutes

27 Water Heater Display and Control Buttons SELECT SETStatusSet buttonSelect buttonTemperatureDown ButtonTemperatureUp Button°FidlesetpointOpera

28TO INCREASE SETPOINT TEMPERATURE Step 1: Depress and hold “Temperature Up” button until desired setpoint temperature appears in the display. St

29To Decrease Setpoint Temperature Step 1: Depress and hold “Temperature Down” button until desired setpoint temperature appears in the display. Ste

3DANGER DO NOT store or use gasoline or other flammable, combustible, or corrosive vapors and/or liquids in the vicinity of this or any other applian

30To Change Temperature Format in Display from F to C or ˚C to ˚F: Step 1: Press “SELECT” button until F/C is displayed. Step 2: Press “SET” bu

31 Step 3b: Press “Temperature Down” button to change temperature format to F. Step 4: Press “SET” button to confirm ˚F or ˚C format. F/C will

32 An automatic gas shut-off device (ECO) is incorporated in the sensor and control board which will shut off all gas supply to the burner and pilot

33SECTION X: MAINTENANCE Burner Flame Check At the time of installation and at periodic intervals (about every 3 months), a visual check of the pilo

34 A qualified service technician should perform the following maintenance at the minimum periodic intervals suggested below. In some installations

35 To reinstall the burner rack, reverse the above procedure. Alternate method for removing the burner rack, when there is at least 20” (50.8 cm) c

36 13. The induced draft blower motor used in this model series has sealed bearings and does not have provisions for oiling the bearings. 14. The

37SECTION XI: DIAGNOSTIC AND TROUBLESHOOTING GUIDE DIAGNOSTIC GUIDE FOR HONEYWELL INTEGRATED CONTROL SYSTEM SEQUENCE OF OPERATION FOR PDV AND INDUC

38ACCESSING SERVICE MODE ON THE WATER HEATER DISPLAY (FOR SERVICE PERSONNEL ONLY) The display has a “service mode” for changing the maximum setpoin

39 The following is the sequence of modes available in “Service Mode” by pressing the “Select” button: Error Code Number (Display/Reset). This is

4 WARNING This water heater needs fresh air for safe operation and must be installed so there are provisions for adequate combustion and ventilation

402b. Water Temperature - Upper Sensor (Displays if there is an upper sensor – some models) 2c. Water Temperature - Lower Sensor (Displays if there

41 4. Setpoint (Display/Change) 5. ˚F/˚C (Display/Change) 6. Differential (Display only – shows the differential of the thermostat) SELECT SE

42 7. Software Version (Display only) 8. Error Code History (Displays if there are present error codes or up to 10 previous error codes). Water

43 Step 2: Press “Set” button to enter setting mode. “Max Setpoint” will flash to indicate setting mode. Step 3: Press the “UP” or “DOWN” buttons t

44 Step 5: 30 Seconds after the last button press, the Water Heater Display will go back to “User Mode”. It will read “Max Setpoint” without showi

45 Step 2: For water heaters using two temperature sensors, pressing the “Select” button again displays the Upper Sensor temperature reading. “Uppe

46To Display and Change Temperature Setpoint: Step 1: In “Service Mode” press the “Select” button until “Setpoint” is shown in the water heater dis

47 Step 4: To lower the temperature setpoint, press the “Temperature Down” button until the desired temperature is shown on the water heater displa

48 Step 2: Press “Set” button to change temperature format. “˚F/˚C” symbol will flash in the water heater display. Step 3a: Press “Temperature Up

49 Step 4: Press “Set” button to confirm ˚F or ˚C format. ˚F/˚C will stop flashing. Step 5: Pressing “Select” button will return display to set

5 SECTION II: SPECIFICATIONS Figure 1. Dimensional layout Model Description Dimensions for Figure 1 Capacity Input (BTU/hr) A B C D E (Gal) Na

50How to reset the control from Lockout Conditions: If an error code is displayed (except for #4, low flame sense current), the water heater will b

51 Error Codes and Error History Display: If there is an operating problem with the water heater, an error code number will appear on the water hea

52 Step 2: Press the “Temperature Down” button to select the error code index, starting with the most recent error code “10”. Step 3: Press the

53 Step 4: Press the “Temperature Down” button to change to the previous code index, code #9. Step 5: Press the “Select” button for code index #9

54 Step 6: Continue pressing the “Temperature Down” button to change to the next error code index and press “Select” to view the error code number

55 Error Code Definition of Code Cause of Problem and Actions Taken to Correct 23 Flame Detected Before Ignition Check to make sure gas valve has c

56Procedure for Checking Thermostat Sensors Set the thermostat above water temperature (See temperature adjustment section) and observe system thro

57SECTION XII: PARTS LIST REPLACEMENT PARTS LIST FOR POWERED DIRECT VENT MODELS Contact your supplier, plumbing professional or the company liste

58VENT KIT COMPONENTS AND OPTIONAL CONDENSATE TEE 150,00 AND 199,999 BTU/HR. MODELS: 3” VENT KIT MODELS OVER 200,000 BTU/HR.: 4” VENT KIT C

59SECTION XIII: INSTALLATION FOR POTABLE WATER AND SPACE HEATING THE FOLLOWING INSTRUCTIONS ARE FOR INSTALLATION OF: GAS WATER HEATERS SUITABLE FO

6 SECTION III: GENERAL INFORMATION FEATURES 1. Porcelain enamel lined tank provides corrosion protection with a tough glass lining on the interi

60SECTION XIV: NOTES

7DISHWASHING MACHINE REQUIREMENTS All dishwashing machines meeting the National Sanitation Foundation requirements are designed to operate with wate

8 SECTION IV: INSTALLATION INSTRUCTIONS INSTALLATION OF THIS WATER HEATER REQUIRES ABILITY EQUIVALENT TO THAT OF A LICENSED TRADESMAN IN

9Minimum Clearances The location of this water heater is of the utmost importance. Before installing this water heater, you should read the Install