3.11.1 General piping best practices 44
3.13 Electrical connections 58
3.13.1 Power management, quality and electrical protection 58
3.13.2 120VAC line-voltage hook-up 59
3.13.4 Zone valve hook-up 60
3.13.5 Thermostat / sensor wiring 61
3.13.6 Thermostat heat anticipator 61
4.0 About the boiler controller 63
5.0 Before operating the boiler 65
Important pre-ignition checks 65
Checklist for electrical conditions, ducting and water connections 65
6.1 Lighting and shutting down the boiler 67
6.2 Testing the ignition safety shutoff 68
6.3.1 Checking a boiler's fuel source 69
6.3.2 Performing a fuel conversion 69
6.3.3 Adjusting the gas valve 70
7.0 Service and maintenance 75
7.1 Maintenance checklist for homeowner 75
7.2 Maintenance checklist for heating contractor 75
7.2.1 Touchscreen boiler controller 76
7.2.2 General boiler maintenance 76
7.3 Replacing the fan, gas valve, and burner 80
7.3.1 Replacing the fan on the SL 85, 115, 160 and 199 G3 boilers 82
7.3.2 Replacing the gas valve on the SL 85, 115, 160 and 199 G3 boilers 83