Watts AERCO Benchmark 2.0, User Manual

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CONTENTS
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GF-110 - THE AERCO BENCHMARK 2.0 GAS FIRED BOILER
Operating & Maintenance Instructions
FOREWORD A
Chapter 1 – SAFETY PRECAUTIONS 1-1
Para. Subject Page
1-1 Safety Warnings 1-1
1-2 Emergency Shutdown 1-2
Para. Subject Page
1-3 Prolonged Shutdown 1-2
Chapter 2 – INSTALLATION PROCEDURES 2-1
Para. Subject Page
2.1 Receiving the Unit 2-1
2.2 Unpacking 2-1
2.3 Installation 2-2
2.4 Gas Supply Piping 2-3
2.5 Electrical Supply 2-5
2.6 Mode of Operation and Field
Control Wiring
2-6
Para. Subject Page
2.7 I/O Box Connections 2-8
2.8 Auxiliary Relay Contacts 2-9
2.9 Flue Gas Vent Installation 2-9
2.10 Combustion Air 2-10
Chapter 3 – CONTROL PANEL COMPONENTS AND
OPERATING PROCEDURES 3-1
Para. Subject Page
3.1 Introduction 3-1
3.2 Control Panel Description 3-1
3.3 Control Panel Menus 3-3
3.4 Operating Menu 3-5
3.5 Setup Menu 3-5
Para. Subject Page
3.6 Configuration Menu 3-6
3.7 Tuning Menu 3-7
3.8 Start Sequence 3-7
3.9 Start/Stop Levels 3-9
Chapter 4 – INITIAL START-UP 4-1
Para. Subject Page
4.1 Initial Startup Requirements 4-1
4.2 Tools and Instruments for
Combustion Calibration
4-1
4.3 Natural Gas Combustion
Calibration
4-3
Para. Subject Page
4.4 Combustion Calibration for
Propane on Dual Fuel Unit
4-5
4.5 Unit Reassembly 4-6
4.6 Over-Temperature Limit Switch 4-7