Aerco GF-123 Manuals

Aerco GF-123 Manuals

Manuals and User Guides for Aerco GF-123. We have 1 Aerco GF-123 manual available for free PDF download: Installation, Operation & Maintenance Instructions Manual

Aerco GF-123 Installation, Operation & Maintenance Instructions Manual

Aerco GF-123 Installation, Operation & Maintenance Instructions Manual (108 pages)

Benchmark 2.0 Low NOx Natural 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
- Introduction
  11
- Receiving the Unit
  11
- Unpacking
  11
- Site Preparation
  11
Chapter 2 Installation

11
- Installation Clearances
  11
Chapter 7 – MAINTENANCE REQUIREMENTS

12
- Supply and Return Piping
  13
- Condensate Drain and Piping
  13
- Gas Supply Piping
  14
- AC Electrical Power Wiring
  15
Chapter 3 - CONTROL PANEL COMPONENTS and

21
- Introduction
  21
- Control Panel Description
  21
- Control Panel Menus
  24
- Operating Menu
  25
- Configuration Menu
  26
- Tuning Menu
  27
- Start Sequence
  27
- Start/Stop Levels
  29
Chapter 4 – INITIAL START-UP

31
- Unit Reassembly
  35
- Over-Temperature Limit
  35
  - Switches
    35
Chapter 5 - MODE of OPERATION

37
- Introduction
  37
- Indoor/Outdoor Reset Mode
  37
- Constant Setpoint Mode
  38
- Remote Setpoint Mode
  38
- Direct Drive Modes
  39
Chapter 6 - SAFETY DEVICE TESTING PROCEDURES

43
- Testing of Safety Devices
  43
- Low Gas Pressure Fault Test
  43
- High Gas Pressure Test
  43
- Low Water Level Fault Test
  44
- Water Temperature Fault Test
  44
- Safety Device Testing
  44
- SSOV Proof of Closure Switch
  46
- Purge Switch Open During
  47
  - Purge
    47
- Ignition Switch Open During
  47
  - Ignition
    47
- Safety Pressure Relief Valve
  48
  - Chapter 7 Maintenance
    49
  - Test
    50
- Condensate Drain Trap
  52
- Shutting the Boiler down for an
  52
  - Extended Period of Time
    52
- Placing the Boiler Back in
  52
  - Service after a Prolonged
    52
  - Shutdown
    52
Chapter 8 – TROUBLESHOOTING GUIDE

53
- Troubleshooting
  54
- Temperature Sensor Resistance Chart
  77
- Recommended Periodic Testing
  105

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