User Manuals: Aerco Benchmark 2.0 LN Gas Fired Boiler

Manuals and User Guides for Aerco Benchmark 2.0 LN Gas Fired Boiler. We have 1 Aerco Benchmark 2.0 LN Gas Fired Boiler manual available for free PDF download: User Manual

Aerco Benchmark 2.0 LN User Manual (168 pages)

Brand: Aerco | Category: Boiler | Size: 8 MB

Table of Contents
3
Chapter 1. Safety Precautions

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

15
- Introduction
  15
- Receiving the Unit
  15
- Unpacking
  15
- Site Preparation
  16
  - Installation Clearances
    16
  - Setting the Unit
    17
- Supply and Return Piping
  18
- Condensate Drain and Piping
  19
  - Exhaust Manifold Condensate Drain
    20
- Gas Supply Piping
  21
  - Gas Supply Specifications
    22
  - Manual Gas Shutoff Valve
    22
  - External Gas Supply Regulator
    22
  - IRI Gas Train Kit
    23
- Ac Electrical Power Wiring
  23
  - Electrical Power Requirements
    23
- Modes of Operation and Field Control Wiring
  24
  - Constant Setpoint Mode
    25
  - Indoor/Outdoor Reset Mode
    25
  - Boiler Management System Mode
    25
  - Remote Setpoint and Direct Drive Modes
    25
  - Combination Mode
    26
- I/O Box Connections
  26
  - Outdoor Sensor in (1)
    27
  - Air Temp. Sensor (2)
    27
  - Analog in (3)
    27
  - Pwm) in (4)
    28
  - Shield (5)
    28
  - Ma out (6)
    28
  - Comm (7)
    28
  - Txd, Rxd (8)
    28
  - Vfd/Blower (9)
    28
  - Exhaust Switch in (11)
    28
  - Interlocks (10, 12)
    28
    
    Remote Interlock in (10)
    29
    
    Delayed Interlock in (12)
    29
  - Fault Relay (13)
    29
  - Auxiliary Relay Contacts (14)
    29
- Flue Gas Vent Installation
  29
- Combustion Air
  30
- Benchmark Pump Relay Option
  32
Chapter 3. Operation

35
- Introduction
  35
- Control Panel Description
  35
- Control Panel Menus
  39
  - Menu Processing Procedure
    39
- Operating Menu
  40
- Setup Menu
  41
- Configuration Menu
  42
- Tuning Menu
  44
- Combustion Cal Menu
  44
- Start Sequence
  45
- Start/Stop Levels
  48
Chapter 4. Initial Start-Up

51
Chapter 5. Mode of Operation

63
- Introduction
  63
- Indoor/Outdoor Reset Mode
  63
- Constant Setpoint Mode
  64
  - Setting the Setpoint
    64
- Remote Setpoint Modes
  65
  - Remote Setpoint Field Wiring
    65
  - Remote Setpoint Startup
    66
- Direct Drive Modes
  66
  - Direct Drive Field Wiring
    67
  - Direct Drive Startup
    67
- Boiler Management System (Bms)
  67
  - BMS External Field Wiring
    68
  - BMS Setup and Startup
    68
- Combination Control System (Ccs)
  68
  - Combination Control System Field Wiring
    69
  - Combination Control System Setup and Startup
    69
Chapter 6. Safety Device Testing

71
- Testing of Safety Devices
  71
- Low Gas Pressure Fault Test
  71
- High Gas Pressure Test
  72
- Low Water Level Fault Test
  73
- Water Temperature Fault Test
  73
- Interlock Tests
  74
  - Remote Interlock
    75
  - Delayed Interlock
    75
- Flame Fault Tests
  75
- Air Flow Fault Tests
  76
- Ssov Proof of Closure Switch
  77
- Purge Switch Open During Purge
  78
- Ignition Switch Open During Ignition
  78
- Safety Pressure Relief Valve Test
  80
Chapter 7. Maintenance

81
Chapter 8. Troubleshooting Guide

91
- Introduction
  91
- Additional Faults Without Specific Fault Messages
  104
Chapter 9. Rs232 Communication

107
- Introduction
  107
- Rs232 Communication Setup
  109
- Menu Processing Utilizing Rs232 Communication
  109
- Data Logging
  110
  - Fault Log
    110
  - Operation Time Log
    110
  - Sensor Log
    111
- Appendix A - Boiler Menu Item Descriptions
  
  113
- Appendix B - Startup, Status & Display Messages
  
  121
- Appendix C - Sensor Temperature Resistance
  
  125
- Appendix D - Indoor/Outdoor Reset Ratio Charts
  
  127
- Appendix E - Boiler Default Settings
  
  131
- Appendix F - Parts and Dimensional Drawings
  
  135
- Appendix G - Piping Drawings
  
  149
- Appendix H - Wiring Schematics
  
  153
- Appendix I - Recommended Periodic Testing Check List
  
  163
- Appendix J - Benchmark Control Panel Features
  
  165
- Appendix K - Recommended Spare Parts Lists
  
  167
  - OMM-0046_0J AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913
    168

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User Manuals: Aerco Benchmark 2.0 LN Gas Fired Boiler

Aerco Benchmark 2.0 LN User Manual (168 pages)

Table of Contents

Chapter 1. Safety Precautions

Chapter 2. Installation

Chapter 3. 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 - Boiler Menu Item Descriptions

Appendix B - Startup, Status & Display Messages

Appendix C - Sensor Temperature Resistance

Appendix D - Indoor/Outdoor Reset Ratio Charts

Appendix E - Boiler Default Settings

Appendix F - Parts 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 - Recommended Spare Parts Lists

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