Aerco Benchmark 2.0 Manuals

Aerco Benchmark 2.0 Manuals

Manuals and User Guides for Aerco Benchmark 2.0. We have 1 Aerco Benchmark 2.0 manual available for free PDF download: Installation, Operation & Maintenance Instructions Manual

Aerco Benchmark 2.0 Installation, Operation & Maintenance Instructions Manual

Aerco Benchmark 2.0 Installation, Operation & Maintenance Instructions Manual (123 pages)

Low NOx Gas Fired Boiler System

Brand: Aerco | Category: Boiler | Size: 3 MB

Table of Contents

Maintenance Instructions
1
Chapter 5 – MODE of OPERATION

3
- Table of Contents
  5
- Warnings & Cautions
  9
Chapter 1 – SAFETY PRECAUTIONS

9
- Emergency Shutdown
  10
  - Prolonged Shutdown
    10
  - Safety Precautions
    11
- Unpacking
  13
- Site Preparation
  13
- Introduction
  13
- Receiving the Unit
  13
Chapter 2 Installation

13
- Installation Clearances
  13
- Setting the Unit
  14
Chapter 7 – MAINTENANCE REQUIREMENTS

14
- Supply and Return Piping
  15
- Condensate Drain and Piping
  15
- Gas Supply Piping
  16
- AC Electrical Power Wiring
  17
  - IRI Gas Train Kit
    17
  - Electrical Power Requirements
    17
  - Modes of Operation and Field Control Wiring
    18
  - Constant Setpoint Mode
    18
  - Indoor/Outdoor Reset Mode
    18
  - Boiler Management System Mode
    19
  - Remote Setpoint and Direct Drive Modes
    19
  - I/O Box Connections
    20
  - Outdoor Sensor in
    20
  - Air Sensor in
    20
  - Analog in
    20
  - BMS (PWM) in
    21
  - Shield
    21
  - Interlocks
    21
  - Remote Interlock In/Delayed Interlock in
    21
  - Auxiliary Relay Contacts
    22
  - Flue Gas Vent Installation
    22
  - Combustion Air
    22
  - Combustion Air from Outside/Inside the Building
    22
  - Sealed Combustion
    23
  - Temporary Combustion Air Filtering During Construction
    23
- Introduction
  25
- Control Panel Description
  25
Chapter 3 – CONTROL PANEL OPERATING PROCEDURES

25
- Operating Controls, Indicators and Displays
  26
- Control Panel Menus
  28
- Menu Processing Procedure
  28
- Operating Menu
  29
- Setup Menu
  29
  - Configuration Menu
    30
  - Tuning Menu
    32
  - Combustion Cal Menu
    32
  - Start Sequence
    32
  - Start/Stop Levels
    34
  - Initial Startup
    35
  - Required Tools & Instrumentation
    35
  - Installing Gas Supply Manometer
    35
Chapter 4 – INITIAL START-UP

35
Chapter 6 Safety Device Testing

51
- High Gas Pressure Test
  52
- Low Water Level Fault Test
  52
- Water Temperature Fault Test
  52
- Delayed Interlock
  53
- Interlock Tests
  53
- Remote Intrlock
  53
- Air Flow Fault Tests
  54
- Flame Fault Tests
  54
- Purge Switch Open During Purge
  55
- Ignition Switch Open During Ignition
  56
- Safety Pressure Relief Valve Test
  56
- Maintenance Schedule
  57
- Recommended Spare Parts
  57
Chapter 8 – TROUBLESHOOTING GUIDE

63
- Airflow Fault During Ignition
  64
- Troubleshooting
  64
- Airflow Fault During Purge
  65
- Airflow Fault During Run
  65
- Delayed Interlock Open
  66
- Direct Drive Signal Fault
  66
- Flame Loss During IGN
  66
- Flame Loss During Run
  67
- Heat Demand Failure
  67
- High Gas Pressure
  67
- High Water Temp Switch Open
  68
- High Water Temperature
  68
- Ign Board Comm Fault
  68
- Ign Switch Closed During Purge
  69
- Ign Switch Open During Ignition
  69
- Interlock Open
  69
- Line Voltage out of Phase
  70
- Low Gas Pressure
  70
- Low Water Level/Modbus Comm Fault
  70
- PRG Switch Closed During Ignition
  70
- PRG Switch Open During Purge
  71
- Outdoor Temp Sensor Fault
  71
- Remote Setpoint Signal Fault
  71
- Residual Flame
  71
- SSOV Fault During Purge/Run
  72
- SSOV Relay Failure
  72
- SSOV Switch Open
  72
- Stepper Motor Failure
  72
- Boiler Troubleshooting with no Fault Message Displayed
  73
- Hard Light-Off
  73
- Fluctuating Gas Pressure
  73
- Air/Fuel Valve “Hunting” at 80% Valve Position
  73
- High Pressure Gas Switch & Snubber Locations
  74
- Staged Ignition Solenoid Location
  74
- Damping Orifice Location
  74
Chapter 9 - RS232 COMMUNICATION

75
- RS232 Communication Setup
  75

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