Bradford White UCG-100H-199-3N Heater Manuals

Manuals and User Guides for Bradford White UCG-100H-199-3N Heater. We have 2 Bradford White UCG-100H-199-3N Heater manuals available for free PDF download: Service Manual

Bradford White UCG-100H-199-3N Service Manual (93 pages)

Ultra High Efficiency Water Heaters

Brand: Bradford White | Category: Water Heater | Size: 8.02 MB

Table of Contents
2
How to Use this Manual
4
Tools Required for Service
4
Features
5
Specifications
6
Dimensions (Inches)
6
Hot Surface Ignition System
7
Integrated Control System
8
Vent Tables
9
Sequence of Operation - for Models to CF Serial Numbers
10
Sequence of Operation - for Models Prior CF Serial Numbers
11
Lockout Conditions
11
Ignition Module Specifications
11
Wiring Diagram
11
Sequence of Operation - Models Starting W/ CF Serial Numbers and Later
12
Sequence of Operation - for Models with Honeywell Integrated Control
14
Lockout Conditions
15
Connection/Wiring Diagram
15
Troubleshooting
16
System Observation
16
LED Status & Probable Cause
17
Control Board
18
Accessing Service Mode on Control Display
20
Display of Water Temperature
25
To Display Flame Sense Current of the Pilot Flame Sensor
26
To Display and Change Temperature Setpoint
26
To Display and Change Temperature Format
28
Error Codes and Error History Display
30
Error Code History
30
To View Previous Error Codes
31
Error Code Definitions
33
Resetting Error Codes in Hard Lockout Condition
34
Thermostat Circuit Testing and Replacement
35
Ignition Module
37
Sensor Resistance at Various Temperatures
38
Temperature Ohms Chart
38
Thermostat Board Replacement Procedure
40
Wiring Diagram
40
Thermostat Potentiometer Replacement Procedure
41
Thermostat Sensor (Thermister) Replacement Procedure
42
Combustion System Testing and Replacement
43
Serial Numbers Including and after GB13006174 and ALL EFR Models
46
Control Board
46
Combustion System Removal Procedure
47
Combustion System Replacement Procedure
48
Burner Tube Inspection and Replacement
49
Burner Tube Removal Procedure
49
Gas Valve Replacement Procedure
51
Blower Testing and Replacement
52
Blower Replacement Procedure
53
Exhaust Pressure Switch Testing and Replacement
54
Check Collector Pressure
55
Blocked Vent Pressure Switch Testing and Replacement
57
Check Exhaust Tube Pressure
58
Blocked Vent Switch Testing and Replacement
59
Exhaust Pressure Switch Replacement Procedure
59
Hot Surface Igniter Testing Procedure
60
Hot Surface Igniter Replacement Procedure
61
Flame Sensor Testing Procedure
62
Flame Sensor Replacement Procedure
63
Spark Rod Gap Inspection and Adjustment
64
Spark Rod Replacement Procedure
65
Ignition Module Replacement Procedure
66
Control Board Replacement
67
Transformer Replacement
68
Intake Pressure Switch Testing and Replacement
69
Vent Safety Switch Testing and Replacement
71
Anode/Flue Baffle Inspection and Replacement
73
Disassembly Procedure for Access to Anodes & Flue Baffles
73
Anode Inspection and Replacement
74
Flue Baffle Inspection and Replacement
75
Powered Anode Replacement EF100T399 Models Only
76
Collector Cover Installation Procedure
77
Installation Check List
78
Balanced Direct Vent Systems PVC, CPVC
78
Power Vented Systems PVC, CPVC
78
Vent Tables
78
Model Number
79
Gas Pressure
79
Condensate Line
79
Parts List - Models Prior to "CF" Serial Number
80
Parts List - Models with "CF" Serial or Later
83
Parts List - Models with Direct Spark Ignition
86
Glossary of Terms
89

Bradford White UCG-100H-199-3N Service Manual (48 pages)

Ultra Low NOx Atmospheric Vent Water Heaters with Direct Spark Ignition

Brand: Bradford White | Category: Water Heater | Size: 4.6 MB

Table of Contents
2
Introduction
3
How to Use this Manual
4
Tools Required for Service
4
Features
5
Specifications
6
Sequence of Operation
9
Troubleshooting
11
Service Procedure I: Thermostat Circuit Testing and Replacement
16
Service Procedure II: Combustion System Testing and Replacement
21
Service Procedure III: Burner Tube Inspection and Replacement
25
Service Procedure IV: Gas Valve Replacement
27
Service Procedure V: Blower Testing and Replacement
28
Service Procedure VI: Flame Sensor Testing and Replacement
30
Service Procedure VII: Spark Rod Gap Adjustment and Replacement
32
Service Procedure VIII: Ignition Module/Control Board Replacement
34
Service Procedure IX: Blocked Vent Switch Inspection and Replacement
35
Service Procedure X: Anode Inspection and Replacement
36
Service Procedure XI: Display Module Replacement
37
Service Procedure XII: Transformer Replacement
38
Water Heater Installation Check List
39
Water Heater Service Report
40
Parts List
41
Glossary of Terms
44
Notes
44

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