CSVB Series II - Columbia Heating

ELECTRICAL WIRING!WARNINGElectrical shock hazard. Turn OFF electrical powersupply at service panel before making electricalconnections. Failure to do so could result in deathor serious injury.Electrical WiringSee wiring diagram Figure 12, Page 23 for details.Refer to Ladder Diagram from document envelopereceived with boiler.Electrically bond boiler to ground in accordance withrequirements of authority having jurisdiction. Refer toNational Electrical Code, ANSI/NFPA 70.If any of the original wire as supplied with this appliancemust be replaced, it must be replaced with type 105°Cthermoplastic wire or its equivalentCirculator harness is factory wired to control module.Connect harness to circulator in field. See Figure 11 .Figure 11 - Control Module PanelElectric Power SupplyRun a separate 115 volt circuit from separate over currentprotective device 15 ampere circuit in electrical serviceentrance panel.Connect 115 volt power supply to terminals L1 (HOT) andL2 inside J box.Run 14 gauge or heavier copper wire from boiler togrounded connection in service panel or properly drivenand electrically grounded ground rod.Thermostat Installation1. Thermostat should be installed on an inside wall aboutfour feet above the floor.2. NEVER install a thermostat on an outside wall.3. Do not install a thermostat where it will be affectedby drafts, hot or cold pipes, sunlight, lighting fixtures,televisions, a fireplace, or a chimney.4. Check thermostat operation by raising and loweringthermostat setting as required to start and stop theburners.5. Instructions for the final adjustment of the thermostatare packaged with the thermostat (adjusting heatinganticipator, calibration, etc.)6. Set heat anticipator at .2 amps. 24 volt thermostatconnects to yellow low voltage wires labled T.BLOWERJ BOXL1 & L2TRANSFORMERSECONDARYCIRCULATORHARNESSTRANSFORMERRTHERMOSTAT WIRESTRANSFORMER LINE VOLT21