Aerco KC Series, User Manual

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CONTENTS
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GF-111LN - AERCO KC1000 GAS FIRED LOW NOx WATER HEATER
Operating & Maintenance Instructions
FOREWORD A
Section 1 – SAFETY PRECAUTIONS 1-1
Para. Subject Page
1.1 Warnings & Cautions 1-1
1.2 Emergency Shutdown 1-2
Para. Subject Page
1.3 Prolonged Shutdown 1-2
Section 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 2-4
2.5 Electrical Supply 2-5
Para. Subject Page
2.6 Field Control Wiring 2-6
2.7 Flue Gas Vent Installation 2-8
2.8 Combustion Air 2-8
Section 3 – CONTROL PANEL 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 3-4
3.5 Setup Menu 3-4
Para. Subject Page
3.6 Configuration Menu 3-5
3.7 Tuning Menu 3-7
3.8 Start Sequence 3-8
3.9 Start/Stop Levels 3-9
Section 4 – INITIAL START-UP 4-1
Para. Subject Page
4.1 Initial Startup Requirements 4-1
4.2 Tools and Instrumentation for
Combustion Calibration
4-1
4.3 Natural Gas Combustion
Calibration
4-2
Para. Subject Page
4.4 Propane Combustion Calibration 4-5
4.5 Unit Reassembly 4-7
4.6 Temperature Control Calibration 4-8
4.7 Over-Temperature Limit Switch
Adjustments
4-10
Section 5 – SAFETY DEVICE TESTING PROCEDURES 5-1
Para. Subject Page
5.1 Testing of Safety Devices 5-1
5.2 Low Gas Pressure Fault Test 5-1
5.3 High Gas Pressure Test 5-1
5.4 Low Water Level Fault Test 5-2
5.5 Water Temperature Fault Test 5-2
5.6 Interlock Tests 5-3
5.7 Flame Fault Test 5-3
5.8 Air Flow Fault Test 5-4
Para. Subject Page
5.9 SSOV Proof of Closure Switch 5-4
5.10 Purge Switch Open During
Purge
5-5
5.11 Ignition Switch Open During
Ignition
5-5
5.12 Safety Pressure Relief Valve
Test
5-6