CleaverBrooks 4WI - Page 12

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750-211 (revised 2009)
Promethean Boilers, Model 4WI Manual
6.29 — Hot Water Oil Heater Thermostat: 400 and 600 Series 6-27
CHAPTER 7
Troubleshooting 7-1
7.1 — Introduction 7-1
CHAPTER 8
Inspection and Maintenance 8-1
8.1 — Overview 8-1
8.1.1 — Periodic Inspection 8-2
8.2 — Fireside Cleaning 8-3
8.3 — Water Level Controls 8-4
8.3.1 — Steam Boiler 8-4
8.3.2 — Hot Water Boiler 8-5
8.4 — Water Gauge Glass 8-5
8.5 — Electrical Controls 8-6
8.6 — Flame Safety Control 8-8
8.6.1 — Checking Pilot Flame Failure 8-9
8.6.2 — Checking Failure to Light Main Flame 8-10
8.6.3 — Checking Loss of Flame 8-10
8.7 — Oil Burner Maintenance 8-11
8.7.1 — Light Oil Strainers 8-11
8.7.2 — Heavy Oil Strainers 8-1 1
8.7.3 — Cleaning the Oil Nozzle 8-12
8.7.4 — Cleaning Air Purge Nozzle (No. 6 Oil) and Back Pressure Orifice Nozzle (No. 2 Oil) 8-12
8.7.5 — Ignition System 8-13
8.8 — Gas Burner Maintenance 8-14
8.9 — Motorized Gas Valve 8-15
8.10 — Solenoid Valves 8-15
8.11 — Air Control Damper, Linkage and Cam Spring 8-16