Bradford White OmniTech BONH1750 Manuals

Manuals and User Guides for Bradford White OmniTech BONH1750. We have 2 Bradford White OmniTech BONH1750 manuals available for free PDF download: Installation And Operation Instructions Manual, Assembly, Installation And Operation Instructions

Bradford White OmniTech BONH1750 Installation And Operation Instructions Manual (148 pages)

Category II and IV Venting with touchscreen controls

Brand: Bradford White | Category: Boiler | Size: 33.97 MB

Table of Contents
2
SECTION 1 General Information

5
- A Introduction
  5
- B Warranty
  5
- C Model Identification
  5
- D Safety Notes
  6
- E Unit Dimensions and Components
  8
- Model 1250 / 1500
  8
- Model 1750
  10
- Models 2000 / 2500
  12
- F Unpacking
  14
- G Locating the Unit
  14
- H Clearances
  14
SECTION 2 Venting and Combustion Air 2.A General Venting Info

15
SECTION 3 Gas Supply and Piping

24
- Gas Supply and Piping
  24
- Gas Pipe Sizing
  25
SECTION 4 Water Flow and Headloss Data

25
SECTION 5 Piping

28
- Boiler Water Piping
  28
- Boiler Water Connections
  28
- Cold Water Make-Up
  28
- Freeze Protection
  28
- Suggested Boiler Piping Schematics
  29
- Water Heaters
  32
- Water Quality
  32
- Heater Water Connections
  32
- Cold Water Make-Up
  32
- Freeze Protection
  32
- Suggested Piping Schematics
  32
SECTION 6 Condensate Drain Trap

34
SECTION 7 Electrical Connections

34
- Installation Warnings
  34
- Main Power Connections
  35
- Main Power Data
  35
- Control Panel Layout
  36
- Field Connections
  36
- Power
  37
- Boiler Pump
  37
- Dry Contacts
  37
- Alarm Bell
  37
- Sensors
  37
- Heat Demands
  38
- Spare Inputs
  38
- Inputs, BMS
  38
- Outputs, Pump
  38
- Dry Contacts (Run & Alarm)
  38
- RS 485 for Cascade (Lead Lag)
  38
- Rs485 Bms
  40
- Modbus/Bacnet Memory Map
  41
- Wiring Diagrams, High Voltage
  44
- Ladder Diagrams
  49
- Wiring Diagram
  56
SECTION 8 Control Operation

58
- The Home Screen
  58
- Home Screen Active Icons
  58
- Keypad Operations
  59
- Login to Lock / Unlock the Disp Screen
  60
- Quick Start
  61
- Central Heat)
  61
- CH1 (Central Heat, One) 1
  62
- CH2 (Central Heat, Two) 2
  62
- DHW (Domestic Hot Water)
  62
- Outdoor Reset
  63
- Warm Weather Shut down
  63
- Anti-Short Cycle
  64
- Time & Date
  64
- Configuration
  65
- Central Heat)
  65
- D.1
  66
- D.1.A CH1 (Central Heat, One)
  66
- D.1.A.1 PID Low
  67
- D.1.A.2 PID High
  67
- D.1.B CH2 (Central Heat, Two)
  67
- DHW (Domestic Hot Water)
  68
- Outdoor Reset
  69
- Cascade (All about Lead / Lag)
  70
- D.4.A Cascade Parameters
  75
- D.4.A.1 Base / Drop Load
  76
- D.4.B Rotation
  76
- D.4.B.1 Rotation Setup
  77
- D.4.C Redundancy
  77
- Pumps
  78
- D.5.A Variable Speed Pump Control
  79
- Manual Firing Rate
  80
- Temp Limits
  80
- D.7.A Delta T Parameters
  81
- D.7.B Flue Limitation Parameters
  81
- D.7.C Outlet Limitation Parameters
  81
- External
  82
- D.8.A External - Remote Set Point
  83
- D.8.B External Firing Rate
  83
- Time & Date
  84
- Miscellaneous Features
  84
- D.10.A Demands Priorities
  85
- D.10.B Anti-Short Cycle
  85
- D.10.C Warm Weather
  86
- D.10.D COM Port, BMS
  87
- D.10.E Temperature Conversion
  88
- D.10.F Anti-Frost
  88
- Login
  89
- E Service Screens
  90
- Burner
  90
- Digital I/O Inputs
  91
- E.2.A Digital Outputs
  91
- Analog I/O
  92
- Screen Settings Timeout
  93
- History
  93
- Restart Touchscreen & Recalibrate
  94
- Factory Reset
  94
- HMI Model OEM Only
  94
- BIC Model OEM Only
  94
- Both Models. OEM Only
  94
- About the Firmware of the Touchscreen
  94
- Dev Fan
  94
- Fan Settings
  94
- F Messages and USB
  95
- Messages
  95
- USB Functionality
  95
- G Active Demands
  96
SECTION 9 Gas Valve Touchscreen, Menus and Descriptions

97
- About the Gas Valve
  97
- Menu Structure (Example)
  98
- Gas Valve Display Navigation and Menus
  98
- Fuel Air Ratio & Ignition, Menus
  101
- Oem
  101
- Ignition Menu
  102
- Base Curve Menu
  103
- Correction Curve Menu
  103
- Summary Menu
  104
- Load & Save Menu
  104
- Diagnostics
  105
- Verification Menu
  106
- Gas Valve Password & Login Menu
  108
SECTION 10 Parameter Tables

109
SECTION 11 Initial Startup Instructions

113
- Filling the Boiler System
  113
- Initial Operation
  114
- Initial Burner Operation
  114
- Shutting down the Unit
  114
- Restarting the Unit
  114
- Combustion Setup
  115
- Firing Rate for Boiler
  115
- Combustion at the Gas Valve Display
  116
SECTION 12 Maintenance

117
- System Maintenance
  117
- Maintenance Notes
  117
- Burner
  117
- Gas Valve / Venturi
  117
- Main Omnitherm Controller
  118
- Valve Control / Display
  118
- Spark & Flame Sensors Electrodes
  118
- Blower
  118
- Heat Exchanger Tubes
  118
- Gas Pressure Switches
  118
SECTION 13 Troubleshooting

120
- Error Codes
  120
- SV2 Fault Codes
  124
SECTION 14 Replacement Parts

131
- General Information
  131
- Component Illustrations, Parts Lists, and Part Numbers
  131

Bradford White OmniTech BONH1750 Assembly, Installation And Operation Instructions (132 pages)

Brand: Bradford White | Category: Boiler | Size: 31.36 MB

Table of Contents
2
SECTION 1 General Information
5
A Introduction
5
B Warranty
5
C Model Identification
5
D Safety Notes
6
E Unit Dimensions and Components
8
Model 1250 / 1500
8
Model 1750
10
Models 2000 / 2500
12
F Unpacking
14
G Locating the Unit
14
H Clearances
14
SECTION 2 Venting and Combustion Air
15
A General Venting Info, Cat I and Cat III
15
Vent and Air Pipe Sizing
15
A.2.A Combustion Air from Room
15
A.2.B Ducted Combustion Air
16
B Category I Venting
17
Category I Vent
17
Common Venting Systems
17
Common Vent Test - Boilers
18
C Category III Venting
19
Category III Vent
19
Exhaust Vent Terminal
19
Vent and Air Pipe Material
19
Vent Adapters
19
D Locating Vent & Comb Air Terminals
20
Side Wall Vent Terminal Category Lll Only
20
Side-Wall Combustion Air Terminal Category L and Lll
20
Vertical Vent Terminal Category L and Lll
20
Vertical Combustion Air Terminal Category L and Lll
20
E Outdoor Installation
22
F Installations in the Commonwealth of Massachusetts
23
SECTION 3 Gas Supply and Piping
23
A Gas Supply and Piping
23
B Gas Pipe Sizing
24
SECTION 4 Water Flow and Headloss Data
24
A General Water Flow Information
24
B Boiler Water Flow & Headloss Data
25
C Water Heater Flow and Headloss Data
25
Recovery Data
26
SECTION 5 Piping
27
Boiler Water Piping
27
Boiler Water Connections
27
Cold Water Make-Up
27
Freeze Protection
27
Suggested Boiler Piping Schematics
28
Water Heaters
32
Water Quality
32
Heater Water Connections
32
Cold Water Make-Up
32
Freeze Protection
32
Suggested Piping Schematics
32
SECTION 6 Condensate Drain Trap
34
SECTION 7 Electrical Connections
34
Installation Warnings
34
Main Power Connections
35
Main Power Data
35
Control Panel Layout
36
Field Connections
36
Power
37
Boiler Pump
37
Dry Contacts
37
Alarm Bell
37
Sensors
37
Heat Demands
38
Spare Inputs
38
Inputs, BMS
38
Outputs, Pump
38
Dry Contacts (Run & Alarm)
38
RS 485 for Cascade (Lead Lag)
38
Rs485 Bms
38
Modbus/Bacnet Memory Map
40
Wiring Diagrams - High Voltage
44
Logic Diagrams
49
SECTION 8 Control Operation
54
The Home Screen
54
Home Screen Active Icons
54
Keypad Operations
55
Login to Lock / Unlock the Disp Screen
56
Quick Start
57
Central Heat)
57
CH1 (Central Heat, One) 1
58
CH2 (Central Heat, Two) 2
58
DHW (Domestic Hot Water)
58
Outdoor Reset
59
Warm Weather Shut down
59
Anti-Short Cycle
60
Time & Date
60
D Configuration
61
Central Heat)
62
D.1.A CH1 (Central Heat, One)
62
D.1.A.1 PID Low
63
D.1.A.2 PID High
63
D.1.B CH2 (Central Heat, Two)
63
DHW (Domestic Hot Water)
64
Outdoor Reset
65
Cascade
66
D.4.A Cascade Parameters
67
D.4.B Rotation
68
D.4.B.1 Rotation Setup
68
D.4.C Redundancy
69
Pumps
70
D.5.A Vari-Prime
71
Manual Firing Rate
72
Temp Limits
72
D.7.A Delta T Parameters
73
D.7.B Flue Limitation Parameters
73
D.7.C Outlet Limitation Parameters
73
External
74
D.8.A External - Remote Set Point
75
Time & Date
75
Miscellaneous Features
76
D.10.A Demands Priorities
77
D.10.B Anti-Short Cycle
77
D.10.C Warm Weather
78
D.10.D COM Port, BMS
79
D.10.E Temperature Conversion
80
D.10.F Anti-Frost
80
Login
81
E Service Screens
82
Burner
82
Digital I/O Inputs
83
E.2.A Digital Outputs
83
Analog I/O
84
Screen Settings Timeout
85
History
85
Restart Touchscreen & Recalibrate
86
Factory Reset
86
HMI Model OEM Only
86
BIC Model OEM Only
86
Both Models. OEM Only
86
About the Firmware of the Touchscreen
86
Dev Fan
86
Fan Settings
86
F Messages and USB
87
Messages
87
USB Functionality
87
Active Demands
88
SECTION 9 Gas Valve Touchscreen, Menus and Descriptions
89
About the Gas Valve
89
Menu Structure (Example)
90
Gas Valve Display Navigation and Menus
90
Fuel Air Ratio & Ignition, Menus
93
Oem
93
Ignition Menu
94
Base Curve Menu
95
Correction Curve Menu
95
Summary Menu
96
Load & Save Menu
96
Diagnostics
97
Verification Menu
98
Gas Valve Password & Login Menu
100
SECTION 10 Parameter Tables
101
SECTION 11 Initial Startup Instructions
105
Filling the Boiler System
105
Initial Operation
106
Initial Burner Operation
106
Shutting down the Unit
106
Restarting the Unit
106
Combustion Setup
107
Firing Rate for Boiler
107
Combustion at the Gas Valve Display
108
SECTION 12 Maintenance
109
System Maintenance
109
Maintenance Notes
109
Burner
109
Gas Valve / Venturi
109
Main Controller
110
Valve Control / Display
110
Spark & Flame Sensors Electrodes
110
Blower
110
Heat Exchanger Tubes
110
Gas Pressure Switches
111
SECTION 13 Troubleshooting
112
Error Codes
112
SECTION 14 Replacement Parts
116
General Information
116
Component Illustrations, Parts Lists, and Part Numbers
116

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Bradford White OmniTech BONH1750 Manuals

Bradford White OmniTech BONH1750 Installation And Operation Instructions Manual (148 pages)

Table of Contents

SECTION 1 General Information

SECTION 2 Venting and Combustion Air 2.A General Venting Info

SECTION 3 Gas Supply and Piping

SECTION 4 Water Flow and Headloss Data

SECTION 5 Piping

SECTION 6 Condensate Drain Trap

SECTION 7 Electrical Connections

SECTION 8 Control Operation

SECTION 9 Gas Valve Touchscreen, Menus and Descriptions

SECTION 10 Parameter Tables

SECTION 11 Initial Startup Instructions

SECTION 12 Maintenance

SECTION 13 Troubleshooting

SECTION 14 Replacement Parts

Bradford White OmniTech BONH1750 Assembly, Installation And Operation Instructions (132 pages)

Table of Contents

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