Bradford-White Corp D-38T-155 service manual 13A 14A 16A 17A6A 11A 10A 18A 15A 19A 12A 20A

Page 39

Generic Parts List

13A

4A

1A

2A

14A

3A

16A

5A

17A6A

11A

7A

8A

9A

10A

18A

15A

19A

12A

20A

	1A.	Draft Panel	11A.	Pilot Mounting Screw
	2A.	Burner Rack
			12A.	Burner Tube Support
	3A.	Burner Tube
			13A.	Manifold Bracket
	4A.	Gas Valve
			14A.	C-Cane Manifold
	5A.	Burner Manifold
			15A.	Manifold Straight
	6A.	Main Burner Orifice
			16A.	Manifold Bracket
	7A.	Pilot Shield
			17A.	90° Street Elbow Black
	8A.	Pilot Burner
			18A.	1" Down Pipe Nipple Black
	9A.	Pilot Orifice
			19A.	1" 90° Elbow Black
	10A. Pilot Tubing
			20A.	Ground Wire

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Contents To be performed only by qualified service providers Service ManualTable of Contents Features of Honeywell Integrated Controls System Tools Required for Service Specifications Lockout Condition Sequence of OperationDefective TroubleshootingPins to black and white wires Voltage at primary pins 1&3 whiteOperate? Displaying temperature SensorsExample of error code shown on control display From previousUsing Control Display for Servicing Water Heater Sensor is used Setpoint Display/Change Software Version Display only Select SET Display of Water Temperature ExitingSELECTServiceSETModeTo Display Flame Sense Current of the Pilot Flame Sensor To Display and Change Temperature SetpointSetpoint Flashes Selectset Idle Status Operational Error Code History Error Codes and Error History DisplayTo view previous error codes ExitingSELECTServiceSET Mode Error Code Definitions Press for 3 seconds to reset control in service mode Error Code Shown Water Heater DisplayState without correcting the cause Service Procedure D24-IThermostat Circuit Testing Do not reset the display from the hard lockoutService Procedure D24-I Upper Sensor Lower SensorUpper thermister location Applicable models Service Procedure D24-II Pilot Operation Testing131 Pilot Inspection Micro Amp = Micro-amp readings MeterProbe Meter ProbeService Procedure D24-III Main Burner Operation Testing114 Inspection Build-up causing restrictionHeater. Refer to Installation Instructions See Pilot Inspection sectionMain Burner Inspection Service Procedure D24-IVMain Burner & Pilot Removal and Inspection Main Burner RemovalFerrule Nut Pilot Burner RemovalPilot Burner Inspection Flame RodControl Board Replacement Control board replacementTo remove lower sensor Flue Baffle Removal, Inspection Service Procedure D24-VService Procedure D24-VI Approximate Anode Rod Locations 15A 16/16A 17/17A Generic Parts List13A 14A 16A 17A6A 11A 10A 18A 15A 19A 12A 20A 14B 15B 19B 20B 17B18B 16B 12B10B 13BGFI BTU/HCO2 ECOPage Page Parts@bradfordwhite.com Techserv@bradfordwhite.com