User ManualTable of ContentsSECTION 1: Heater Safety2SECTION 13: Conversion Between Gases21SECTION 2: Installer Responsibility213.1 General212.1 Clearances to Combustibles213.2 Burner Conversion212.2 Corrosive Chemicals213.3 Gas Valves212.3 National Standards and Applicable Codes2SECTION 14: Troubleshooting22SECTION 3: Critical Considerations314.1 General223.1 Basic Information33.2 Location and Suspension3Burner Systems233.3 Minimum Required Installation Clearances314.3 Troubleshooting for Flame Supervision System243.4 Clearances to Combustibles314.4 Troubleshooting for Solenoid Valves253.5 Ventilation314.5 Troubleshooting for Main Fan253.6 Gas Supply3SECTION 15: Removal and Replacement Parts263.7 Electrical Supply315.1 Gas Valve263.8 Flue315.2 Burner Compartment27SECTION 4: Specifications515.3 Ignition Electrode and Flame Probe284.1 CTCUA (All Models)515.4 Flue Fan Vertical Installation294.2 General Technical Data Table (All Models)615.5 Pressure Switch304.3 Technical Data Table (All Models)615.6 Ignition Control31SECTION 5: Heater Installation715.7 CTCUA Axial Fan/Guard/Motor Assembly315.1 General715.8 Fan and Limit Thermostats315.2 Shelf Mounting and Suspension75.3 Wall Mounting7SECTION 6: Flue Installation96.1 Changing Flue and Air Intake Orientation96.2 Flue Installation96.3 Type C12, C32 & C62 Appliance96.4 Type B22 Appliance9SECTION 7: Air Supply117.1 Room Sealed Installation117.2 Open Flued Installation117.3 Building Ventilation11SECTION 8: Gas Piping128.1 Connections12SECTION 9: Wiring and Electrical Information139.1 Electrical Supply139.2 Remote Controls139.3 CTCUA Wiring Diagram Models 7 - 3214SECTION 10: Commissioning1510.1 Pre-Commission Checks1510.2 Begin Commissioning1510.3 Complete the Commissioning17SECTION 11: User Instructions1811.1 User Instructions1811.2 Heater Operation1811.3 Common User Controls1811.4 Lighting Instructions1811.5 Simple Fault Finding19SECTION 12: Servicing2012.1 Servicing Instructions2012.2 Burner Maintenance2012.3 Fan/Motor Assembly Maintenance2012.4 Heat Exchanger Maintenance2012.5 Gas Control Valve Maintenance2012.6 Flue Fan20Combustibles4Figure 2: Suspension Methods7Figure 3: Shelf Mounting and Hanging Suspension8Figure 4: Vertical Louvres (Optional)8Figure 5: Flue and Roof Detail9Type B22 Appliance10Type C12 C32 & C62 Appliances10Flex Connector12Figure 9: Automatic Burner Control Box Sequence16Figure 10: Gas Valve for Heater Models 7 - 3216Figure 11: Heater Operating Sequence18Size: 1.68 MBPages: 40Language: EnglishOpen manual