Watts AERCO Benchmark 2.0LN Manuals

Manuals and User Guides for Watts AERCO Benchmark 2.0LN. We have 2 Watts AERCO Benchmark 2.0LN manuals available for free PDF download: User Manual, Operating & Maintenance Instructions

Watts AERCO Benchmark 2.0LN User Manual (158 pages)

Dual-Fuel Low NOx Boiler

Brand: Watts | Category: Boiler | Size: 11.54 MB

Table of Contents
3
Chapter 1: Safety Precautions

9
- Warnings & Cautions
  9
- Emergency Shutdown
  10
- Prolonged Shutdown
  10
Chapter 2: Installation

11
- Introduction
  11
- Receiving the Unit
  11
- Unpacking
  11
- Site Preparation
  11
  - Installation Clearances
    12
  - Setting the Unit
    12
- Supply and Return Piping
  13
- Condensate Drain and Piping
  14
  - Exhaust Manifold Condensate Drain
    15
- Gas Supply Piping
  16
  - Gas Supply Specifications
    17
  - Manual Gas Shutoff Valve
    17
  - IRI Gas Train Kit
    17
- Ac Electrical Power Wiring
  18
  - Electrical Power Requirements
    18
- Modes of Operation and Field Control Wiring
  19
  - Constant Setpoint Mode
    19
  - Indoor/Outdoor Reset Mode
    20
  - Boiler Management System Mode
    20
  - Remote Setpoint and Direct Drive Modes
    20
  - Combination Mode
    20
- I/O Box Connections
  21
  - Outdoor Sensor in (1)
    21
  - Air Temp. Sensor (2)
    22
  - Analog in (3)
    22
  - PWM) in (4)
    22
  - Shield (5)
    23
  - Ma out (6)
    23
  - Comm (7)
    23
  - Txd, Rxd (8)
    23
  - Vfd/Blower (9)
    23
  - Exhaust Switch in (11)
    23
  - Interlocks (10, 12)
    23
    
    Fault Relay (13)
    24
  - Auxiliary Relay Contacts (14)
    24
- Flue Gas Vent Installation
  24
- Combustion Air
  24
- Benchmark Pump Relay Option
  25
Chapter 3: Control Panel Operation

27
- Introduction
  27
- Control Panel Description
  27
- Control Panel Menus
  31
  - Menu Processing Procedure
    31
- Operating Menu
  32
- Setup Menu
  33
- Configuration Menu
  34
- Tuning Menu
  35
- Combustion Cal Menu
  35
- Start Sequence
  36
- Start/Stop Levels
  39
Chapter 4: Initial Start-Up

41
Chapter 5: Mode of Operation

56
- Introduction
  56
- Indoor/Outdoor Reset Mode
  56
- Constant Setpoint Mode
  57
  - Setting the Setpoint
    57
- Remote Setpoint Modes
  58
  - Remote Setpoint Field Wiring
    58
  - Remote Setpoint Startup
    59
- Direct Drive Modes
  59
  - Direct Drive Field Wiring
    60
  - Direct Drive Startup
    60
- Boiler Management System (Bms)
  60
  - BMS External Field Wiring
    60
  - BMS Setup and Startup
    61
- Combination Control System (Ccs)
  61
  - Combination Control System Field Wiring
    61
  - Combination Control System Setup and Startup
    62
Chapter 6: Safety Device Testing

63
- Testing of Safety Devices
  63
- Natural Gas Low Gas Pressure Fault Test
  63
- Propane Low Gas Pressure Fault Test
  64
- Natural Gas High Gas Pressure Test
  65
- Propane High Gas Pressure Test
  65
- Low Water Level Fault Test
  66
- Water Temperature Fault Test
  66
- Interlock Tests
  67
  - Remote Interlock
    67
  - Delayed Interlock
    68
- Flame Fault Tests
  68
- Air Flow Fault Tests
  69
- Ssov Proof of Closure Switch
  70
- Ignition Switch Open During Ignition
  71
- Purge Switch Open During Purge
  71
- Safety Pressure Relief Valve Test
  72
Chapter 7: Maintenance

73
Chapter 8: Troubleshooting Guide

83
- Introduction
  83
- Additional Faults Without Specific Fault Messages
  93
Chapter 9: Rs232 Communication

97
- Introduction
  97
- Rs232 Communication Setup
  99
- Menu Processing Utilizing Rs232 Communication
  99
- Data Logging
  100
  - Fault Log
    100
  - Operation Time Log
    100
  - Sensor Log
    101
Appendix A: Menu Item Descriptions

103
Appendix B: Startup, Status and Fault Messages

109
Appendix C: Sensor Temperature Resistance

113
Appendix D: Indoor/Outdoor Reset Ratio Charts

115
Appendix E: Boiler Default Settings

119
Appendix F: Part and Dimensional Drawings

121
Appendix G: Piping Drawings

137
Appendix H: Wiring Schematics

143
Appendix I: Recommended Periodic Testing Check List

149
Appendix J: Benchmark Control Panel Features

151
Appendix K: Bmk 2.0 Dual-Fuel Switchover Instructions

153
- Switchover from Natural Gas to Propane
  153
- Switchover from Propane to Natural Gas
  156
Appendix L: Recommended Spare Parts Lists

157

Watts AERCO Benchmark 2.0LN Operating & Maintenance Instructions (101 pages)

BENCHMARK 2.0 GAS FIRED LOW NOx BOILER

Brand: Watts | Category: Boiler | Size: 3.79 MB

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Watts AERCO Benchmark 2.0LN Manuals

Watts AERCO Benchmark 2.0LN User Manual (158 pages)

Table of Contents

Chapter 1: Safety Precautions

Chapter 2: Installation

Chapter 3: Control Panel Operation

Chapter 4: Initial Start-Up

Chapter 5: Mode of Operation

Chapter 6: Safety Device Testing

Chapter 7: Maintenance

Chapter 8: Troubleshooting Guide

Chapter 9: Rs232 Communication

Appendix A: Menu Item Descriptions

Appendix B: Startup, Status and Fault Messages

Appendix C: Sensor Temperature Resistance

Appendix D: Indoor/Outdoor Reset Ratio Charts

Appendix E: Boiler Default Settings

Appendix F: Part and Dimensional Drawings

Appendix G: Piping Drawings

Appendix H: Wiring Schematics

Appendix I: Recommended Periodic Testing Check List

Appendix J: Benchmark Control Panel Features

Appendix K: Bmk 2.0 Dual-Fuel Switchover Instructions

Appendix L: Recommended Spare Parts Lists

Watts AERCO Benchmark 2.0LN Operating & Maintenance Instructions (101 pages)

Table of Contents

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