Roberts Gorden 45 User Manuals

Table of Contents

• SECTION 1: Heater Safety

  1
• 1.1 Manpower Requirements

  1
• Multiple Heaters 60 - 125

  25
• 1.2 Safety Labels and Their Placement

  1
• 9.5 Internal Wiring Diagram

  26
• SECTION 2: Installer Responsibility

  5
• 9.6 Ladder Wiring Diagram

  27
• 2.1 Wall Tag

  5
• 9.7 Electrical Connection to the Heater

  28
• 2.2 Corrosive Chemicals

  5
• SECTION 10: Operation and Maintenance

  29
• 2.3 National Standards and Applicable Codes

  5
• 10.1 Pre-Start-Up Checks

  29
• SECTION 3: Critical Considerations

  6
• 10.2 Begin Start-Up

  29
• 3.1 Basic Information

  6
• 10.3 Complete Start-Up

  32
• 3.2 Manufactured Units

  6
• SECTION 11: User Instructions

  33
• 3.3 Location and Suspension

  6
• 11.1 User Instructions

  33
• 3.4 Minimum Required Installation Clearances

  6
• 11.2 Heater Operation

  33
• 3.5 Clearances to Combustibles

  6
• 11.3 Common User Controls

  33
• 3.6 Ventilation

  6
• 11.4 Lighting Instructions

  33
• 3.7 Gas Supply

  7
• 11.5 Simple Troubleshooting

  34
• 3.8 Electrical Supply

  7
• SECTION 12: Servicing

  35
• 3.9 Vent

  7
• 12.1 Servicing Instructions

  35
• SECTION 4: National Standards and Applicable Codes

  8
• 12.2 Burner Maintenance

  35
• 4.1 Gas Codes

  8
• 12.3 Fan/Motor Assembly Maintenance

  35
• 4.2 Aircraft Hangars

  8
• 12.4 Heat Exchanger Maintenance

  35
• 4.3 Parking Structures and Repair Garages

  8
• 12.5 Gas Valve Maintenance

  35
• 4.4 Electrical

  8
• 12.6 Flue Blower

  35
• 4.5 Venting

  8
• 12.7 Venting and Air Intake Pipe

  36
• 4.6 High Altitude

  9
• 12.8 Maintenance Checklist

  36
• SECTION 5: Major Components

  10
• SECTION 13: Troubleshooting

  38
• 5.1 General

  10
• 13.1 General

  38
• 5.2 Shelf Mounting and Suspension

  10
• 5.3 Wall Mounting

  10
• Burner Systems

  39
• SECTION 6: Venting

  14
• 13.3 Troubleshooting for Flame Supervision System

  40
• 6.1 Changing Vent and Air Intake Orientation

  14
• 13.4 Troubleshooting for Gas Valves

  41
• 6.2 Venting

  14
• 13.5 Troubleshooting for Flue Blower

  41
• 6.3 Vent Installation

  14
• SECTION 14: Replacement Parts

  42
• 6.4 Unvented Operation

  15
• 14.1 Gas Valve

  42
• 6.5 Horizontal Venting

  15
• 14.2 Burner Compartment

  43
• 6.6 Vertical Venting

  16
• 14.3 Ignition Electrode and Flame Probe

  44
• 6.7 Length Requirements

  16
• 14.4 Heat Exchanger

  45
• 6.8 Vent Material

  16
• 14.5 Louver and Louver Springs

  45
• 14.6 Flue Blower Vertical Installation

  46
• SECTION 7: Air Supply

  21
• 14.7 Pressure Switch

  47
• 7.1 Separated Combustion Installation

  21
• 14.8 Ignition Control

  47
• 7.2 Unvented Installation

  21
• 14.9 Axial Fan/Guard/Motor Assembly

  47
• 7.3 Building Ventilation

  21
• 14.10 Limit Switches

  48
• 7.4 Outside Combustion Air Supply

  21
• SECTION 15: Specifications

  49
• SECTION 8: Gas Piping

  22
• 15.1 Dimension Data

  49
• 8.1 Connections

  22
• 15.2 General Technical Data Table (All Models)

  50
• SECTION 9: Wiring

  23
• 15.3 Technical Data Table (All Models)

  50
• 9.1 Positioning Thermostats

  23
• 9.2 Low Voltage Thermostat with One Heater

  23
• UHA-Series Warranty

  51
• Multiple Heaters 30 - 45

  24
• Figure 1: UHA 30 - 45 Label Placement

  2
• Figure 2: UHA 60 - 75 Label Placement

  3
• Figure 3: UHA 100 - 125 Label Placement

  4
• to Combustibles

  7
• Figure 5: Suspension Methods

  11
• Figure 6: Shelf-Mounting Methods

  11
• Figure 7: Wall Shelf Mounting and Hanging Suspension

  12
• Figure 8: Vertical Louvers (Optional)

  13
• Figure 9: Vent and Roof Detail

  17
• and Horizontal Vent Termination

  17
• Vertical Vent Termination

  18
• and Horizontal Vent Termination

  19
• Figure 13: Concentric Vent Box

  19
• Termination - Separated Combustion Heater

  20
• Figure 15: Gas Connection

  22
• Figure 16: Automatic Burner Control Sequence

  30
• Figure 17: Gas Valve for Models UHA[X][S] 30 - 45

  30
• Figure 18: Gas Valve for Models UHA[X][S] 60 - 125

  31
• Figure 19: Manual Reset Limit Switch

  33
• Figure 20: LED Diagnostic Codes

  34