Manuals / Roberts Gorden / Household Appliance / Gas Heater

Roberts Gorden UHA[X][S] 60, UHA[X][S] 45, UHA[X][S] 30 Electrical Connection to the Heater

Models: UHA[X][S] 75 UHA[X][S] 60 UHA[X][S] 100 UHA[X][S] 125 UHA[X][S] 30 UHA[X][S] 45

1 62

Download 62 pages 51.32 Kb

Page 34

Image 34

UHA LOW PROFILE UNIT HEATER INSTALLATION OPERATION AND SERVICE MANUAL

9.7 Electrical Connection to the Heater

Burner

Connect wires together with suitable approved wire connectors.

Green to Ground

White to L2

Black to L1

Flexible Conduit

BX Connector

	L1	Junction Box
	L2	Junction Box
	L2
	Ground

Black

White

Green

IMPORTANT: Junction box is not provided with heater.

Conduit can also be attached directly to heater with wire junction made within the heater cabinet.

Page 34

Image 34

Roberts Gorden UHA[X][S] 60, UHA[X][S] 45, UHA[X][S] 30, UHA[X][S] 125, UHA[X][S] 100 Electrical Connection to the Heater

Contents

UHA-Series Tubular Unit Heaters Low Profile Range Installation, Operation & Service ManualCombat Models UHAXS 30, 45, 60, 75, 100,Page 2008 Roberts-GordonLLC TABLE OF CONTENTSPrinted in U.S.A Page TABLE OF FIGURES Page 1.1 Manpower Requirements SECTION 1: HEATER SAFETY1.2 Safety Labels and Their Placement Figure 1: UHA 30 - 45 Label Placement For separated combustion units only Figure 2: UHA 60 - 75 Label Placement For separated combustion units only Figure 3: UHA 100 - 125 Label Placement For separated combustion units only 2.2 Corrosive Chemicals SECTION 2: INSTALLER RESPONSIBILITY2.1 Wall Tag 2.3 National Standards and Applicable Codes 3.5 Clearances to Combustibles 3.4 Minimum Required Installation Clearances3.2 Manufactured Units 3.6 Ventilation 3.8 Electrical Supply 3.7 Gas Supply3.9 Vent 4.3 Parking Structures and Repair Garages 4.1 Gas Codes4.2 Aircraft Hangars 4.4 Electrical 4.6 High Altitude 5.3 Wall Mounting SECTION 5: MAJOR COMPONENTS 5.1 General5.2 Shelf Mounting and Suspension Crush Hazard Use 3/8 threaded rod minimum Figure 6: Shelf-MountingMethods Figure 5: Suspension MethodsExisting cabinet screws must be re-used Wall Shelf Mounting Bracket Kit DescriptionPart Number Description louver and compress Figure 8: Vertical Louvers OptionalPush in spring to remove 6.1 Changing Vent and Air Intake Orientation 6.3 Vent InstallationSECTION 6 VENTING 6.2 Venting 6.4 Unvented Operation 6.3.1Standard Vented Heaters Models UHAX 30 -6.5 Horizontal Venting 6.7.1 Maximum Vent Lengths 6.6 Vertical Venting6.7 Length Requirements 6.8 Vent Material Horizontal Figure 9: Vent and Roof DetailVertical OptionPage Horizontal Figure 13: Concentric Vent BoxVertical Option Option Vent Terminal SECTION 7 AIR SUPPLY 7.1 Separated Combustion Installation7.2 Unvented Installation 7.3 Building Ventilation 8.1 Connections SECTION 8: GAS PIPINGFigure 15: Gas Connection 9.1.1 Fan Control SECTION 9: WIRING9.1 Positioning Thermostats 9.2 Low Voltage Thermostat with One Heater Relay Part Number ModelRelay Type UHAXS 30 - 90436300 UHAXS 60 -DPST Max. Number of Heaters 9.5 Internal Wiring Diagram 9.6 Ladder Wiring Diagram 9.7 Electrical Connection to the Heater 10.1.1 Louvers SECTION 10: OPERATION AND MAINTENANCE10.1 Pre-Start-UpChecks 10.1.2 Electrical Checks Required Incoming Signals Figure 16: Automatic Burner Control SequenceFigure 17: Gas Valve for Models UHAXS 30 - Signals Output By Control Check Gas Rate 10.2.3 Pressure SwitchFigure 18: Gas Valve for Models UHAXS 60 - 10.2.4 Turning Off the Heater 10.3 Complete Start-Up 10.2.5 External Controls10.3.1 Instruction to the User SECTION 11: USER INSTRUCTIONS Reset Limit Switch - See Page 33, SectionFigure 19: Manual Reset Limit Switch 11.1 User Instructions Figure 20: LED Diagnostic Codes 11.5 Simple Troubleshooting11.5.1 Simple Troubleshooting Burner Faults 11.4.2 To Turn the Heater Off 12.4 Heat Exchanger Maintenance 12.2 Burner Maintenance12.3 Fan/Motor Assembly Maintenance 12.5 Gas Valve Maintenance The Vicinity of the Heater 12.8 Maintenance Checklist12.7 Venting and Air Intake Pipe See Page 6, Section Pipe when installedCombustion Air Intake Heat Exchanger SECTION 13: TROUBLESHOOTING 13.1 General START SECTION 13: TROUBLESHOOTING 13.3 Troubleshooting for Flame Supervision System Correct power 13.4Troubleshooting for Gas Valves13.5Troubleshooting for Flue Blower START Burner Components SECTION 14 REPLACEMENT PARTS14.1 Gas Valve 14.2 Burner Compartment 14.2.1 Burner Injectors 14.3 Ignition Electrode and Flame Probe Install Vertical screws 14.4 Heat Exchanger14.5 Louver and Louver Springs Horizontal 14.6 Flue Blower Vertical Installation 14.9 Axial Fan/Guard/Motor Assembly 14.7 Pressure Switch14.8 Ignition Control 14.10 Limit Switches 14.9.1 Fan Removal and Replacement14.9.2 To Replace the Fan Assembly 14.10.1 Removal and Replacement SIDE VIEW SECTION 15: SPECIFICATIONS 15.1 Dimension DataTOP VIEW REAR VIEW 15.2 General Technical Data Table All Models 15.3 Technical Data Table All Models ROBERTS GORDON WILL NOT PAY FOR WARRANTY IS VOID IFROBERTS GORDON WILL PAY FOR Roberts-GordonPage Purchased From if different than installer OWNER WARRANTY REGISTRATION CARDAbout the Installer Type of Installation check onePage Page close to heater Installation ClearancesFire Hazard injury or property damage