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CONTENTS
i
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