CHAPTER 4 Sequence of Operation 4-1
4.1 — Overview 4-1
4.2 — Circuits and Interlocks 4-2
4.3 — Firing Rate Controls 4-3
4.4 — Sequence of Operation: Gas or Oil 4-3
4.5 — Flame Loss Sequence 4-5
CHAPTER 5
Starting and Operating Instructions 5-1
5.1 — General Preparation for Startup: All Fuels 5-1
5.2 — Control Settings: Steam and Hot Water 5-2
5.3 — Gas Pilot 5-3
5.4 — Atomizing Air 5-3
5.5 — Firing Preparations for No. 2 Oil (Series 100-200) 5-4
5.6 — Firing Preparations for Gas (Series 200-700) 5-6
5.7 — Startup, Operating, and Shutdown: All Fuels 5-8
5.8 — Control Operational Checks 5-10
CHAPTER 6
Adjustment Procedures 6-1
6.1 — Overview 6-1
6.2 — Burner Operating Controls: General 6-1
6.3 — Operating Limit Pressure Control 6-4
6.4 — High Limit Pressure Control 6-4
6.5 — Operating Limit Temperature Control: Hot Water 6-5
6.6 — High Limit Temperature Control: Hot Water 6-5
6.7 — Low Water Cutoff Devices: Steam and Hot Water 6-5
6.8 — Combustion Air Proving Switch 6-5
6.9 — Atomizing Air Proving Switch 6-6
6.10 — Gas Pilot Flame Adjustment 6-6
6.11 — Gas Pressure and Flow Information 6-8
6.12 — Adjusting Combustion 6-11
6.13 — Low Gas Pressure Switch 6-12
6.14 — High Gas Pressure Switch 6-12
6.15 — Burner Drawer Adjustment 6-13
6.16 — Oil Drawer Switch 6-13
CHAPTER 7
Troubleshooting 7-1
7.1 — Problem-Cause Suggestions 7-2
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