Bradford White LAARS OmniTherm OCH3000 Manuals

Manuals and User Guides for Bradford White LAARS OmniTherm OCH3000. We have 1 Bradford White LAARS OmniTherm OCH3000 manual available for free PDF download: Installation And Operation Instructions Manual

Bradford White LAARS OmniTherm OCH3000 Installation And Operation Instructions Manual (140 pages)

Category II and IV Venting with Laars Linc

Brand: Bradford White | Category: Boiler | Size: 12 MB

Table of Contents
2
SECTION 1 General Information 1.A Introduction

5
- B Warranty
  5
- C Model Identification
  5
- 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

23
- Gas Supply and Piping
  23
- Gas Pipe Sizing
  24
SECTION 4 Water Flow and Headloss Data 4.A General Water Flow Information

24
SECTION 5 Piping

27
- A Boiler Water Piping
  27
- Boiler Water Connections
  27
- Cold Water Make-Up
  27
- Freeze Protection
  27
- Suggested Boiler Piping Schematics
  28
- Water Heaters
  31
- Water Quality
  31
- Heater Water Connections
  31
- Cold Water Make-Up
  31
- Freeze Protection
  31
- Suggested Piping Schematics
  31
SECTION 6 Condensate Drain Trap

33
SECTION 7 Electrical Connections

33
- Installation Warnings
  33
- Main Power Connections
  34
- Main Power Data
  34
- Control Panel Layout
  35
- Field Connections
  35
- Power
  36
- Boiler Pump
  36
- Dry Contacts
  36
- Alarm Bell
  36
- Sensors
  36
- Heat Demands
  37
- Spare Inputs
  37
- Inputs, BMS
  37
  - Outputs, Pump
    37
- Dry Contacts (Run & Alarm)
  37
- RS 485 for Cascade (Lead Lag)
  37
- Rs485 Bms
  37
- Modbus/Bacnet Memory Map
  39
- Wiring Diagrams, High Voltage
  42
- Ladder Diagrams
  47
  - Wiring Diagram
    54
SECTION 8 Control Operation

56
- The Home Screen
  56
- Home Screen Active Icons
  56
- Keypad Operations
  57
- Login to Lock / Unlock the Disp Screen
  58
- Quick Start
  59
- Central Heat)
  59
- CH1 (Central Heat, One) 1
  60
- CH2 (Central Heat, Two) 2
  60
- DHW (Domestic Hot Water)
  60
  - Outdoor Reset
    61
- Warm Weather Shut down
  61
- Anti-Short Cycle
  62
- Time & Date
  62
- D Configuration
  63
- D.1
  64
- Central Heat)
  64
- CH1 (Central Heat, One)
  64
- D.1.A.1 PID Low
  65
- D.1.A.2 PID High
  65
- D.1.B CH2 (Central Heat, Two)
  65
- DHW (Domestic Hot Water)
  66
- Outdoor Reset
  67
- Cascade (All about Lead / Lag)
  68
- D.4.A Cascade Parameters
  73
- D.4.A.1 Base / Drop Load
  74
- D.4.B Rotation
  74
- D.4.B.1 Rotation Setup
  74
- D.4.C Redundancy
  75
- Pumps
  76
- D.5.A Vari-Prime
  77
- Manual Firing Rate
  78
- Temp Limits
  78
- D.7.A Delta T Parameters
  79
- D.7.B Flue Limitation Parameters
  79
- D.7.C Outlet Limitation Parameters
  79
- External
  80
- D.8.A External - Remote Set Point
  81
- D.8.B External Firing Rate
  81
- Time & Date
  82
- Miscellaneous Features
  82
- D.10.A Demands Priorities
  83
- D.10.B Anti-Short Cycle
  83
- D.10.C Warm Weather
  84
- D.10.D COM Port, BMS
  85
- D.10.E Temperature Conversion
  86
- D.10.F Anti-Frost
  86
- Login
  87
- E Service Screens
  88
- Burner
  88
- Digital I/O Inputs
  89
- E.2.A Digital Outputs
  89
- Analog I/O
  90
- Screen Settings Timeout
  91
- History
  91
- Restart Touchscreen & Recalibrate
  92
- Factory Reset
  92
- HMI Model OEM Only
  92
- BIC Model OEM Only
  92
- Both Models. OEM Only
  92
- About the Firmware of the Touchscreen
  92
- Dev Fan
  92
- Fan Settings
  92
- F Messages and USB
  93
- Messages
  93
- USB Functionality
  93
- G Active Demands
  94
SECTION 9 Gas Valve Touchscreen, Menus and Descriptions

95
- About the Gas Valve
  95
- Menu Structure (Example)
  96
- Gas Valve Display Navigation and Menus
  96
- Fuel Air Ratio & Ignition, Menus
  99
- Oem
  99
- Ignition Menu
  100
- Base Curve Menu
  101
- Correction Curve Menu
  101
- Summary Menu
  102
- Load & Save Menu
  102
- Diagnostics
  103
- Verification Menu
  104
- Gas Valve Password & Login Menu
  106
SECTION 10 Parameter Tables

107
SECTION 11 Initial Startup Instructions

111
- Filling the Boiler System
  111
- Initial Operation
  112
- Initial Burner Operation
  112
- Shutting down the Unit
  112
- Restarting the Unit
  112
- Combustion Setup
  113
- Firing Rate for Boiler
  113
- Combustion at the Gas Valve Display
  114
SECTION 12 Maintenance

115
- System Maintenance
  115
- Maintenance Notes
  115
- Burner
  115
- Gas Valve / Venturi
  115
- Main Omnitherm Controller
  116
- Valve Control / Display
  116
- Spark & Flame Sensors Electrodes
  116
- Blower
  116
- Heat Exchanger Tubes
  116
- Gas Pressure Switches
  116
SECTION 13 Troubleshooting

118
- Error Codes
  118
SECTION 14 Replacement Parts

122
- General Information
  122
- Component Illustrations, Parts Lists, and Part Numbers
  122

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Water Heater Boiler Heat Pump Gas Heater Heating System

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Bradford White LAARS OmniTherm OCH3000 Manuals

Bradford White LAARS OmniTherm OCH3000 Installation And Operation Instructions Manual (140 pages)

Table of Contents

SECTION 1 General Information 1.A Introduction

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

SECTION 3 Gas Supply and Piping

SECTION 4 Water Flow and Headloss Data 4.A General Water Flow Information

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

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