Roberts Gorden Combat UHD[X][S][R] 75 - Manual (Page 3)

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TABLE OF CONTENTS
SECTION 1: Heater Safety...................................................... 1
1.1 Manpower Requirements ............................................. 1
SECTION 2: Installer Responsibility ..................................... 2
2.1 Wall Tag ....................................................................... 2
2.2 Corrosive Chemicals.................................................... 2
2.3 National Standards and Applicable Codes .................. 2
SECTION 3: Critical Considerations ..................................... 3
3.1 Basic Information ......................................................... 3
3.2 Manufactured Units...................................................... 3
3.3 Location and Suspension ............................................ 3
3.4 Minimum Required Installation Clearances ................. 3
3.5 Clearances to Combustibles ........................................ 3
3.6 Ventilation .................................................................... 4
3.7 Gas Supply .................................................................. 4
3.8 Electrical Supply .......................................................... 4
3.9 Vent.............................................................................. 4
SECTION 4: National Standards and Applicable Codes ..... 5
4.1 Gas Codes................................................................... 5
4.2 Aircraft Hangars ........................................................... 5
4.3 Parking Structures and Repair Garages ...................... 5
4.4 Electrical ...................................................................... 5
4.5 Venting......................................................................... 5
4.6 High Altitude ................................................................ 6
SECTION 5: Duct Heater Installation..................................... 7
5.1 General ........................................................................ 7
5.2 Shelf Mounting and Suspension .................................. 8
5.3 Wall Mounting .............................................................. 8
SECTION 6: Venting.............................................................. 10
6.1 Changing Vent and Air Intake Orientation.................. 10
6.2 Venting....................................................................... 10
6.3 Vent Installation ......................................................... 10
6.4 Unvented Operation................................................... 11
6.5 Horizontal Venting...................................................... 11
6.6 Vertical Venting .......................................................... 11
6.7 Length Requirements ................................................ 11
6.8 Vent Material.............................................................. 12
6.9 Replacing an Existing Heater in a Venting System .... 12
SECTION 7: Air Supply......................................................... 17
7.1 Separated Combustion Installation............................. 17
7.2 Unvented Installation .................................................. 17
7.3 Building Ventilation ..................................................... 17
7.4 Outside Combustion Air Supply.................................. 17
SECTION 8: Gas Piping ........................................................ 18
8.1 Connections............................................................... 18
SECTION 9: Wiring................................................................ 19
9.1 Positioning Thermostats ............................................ 19
9.2 Low Voltage Thermostat with One Heater ................. 19
9.3 Internal Wiring Diagram ............................................. 20
9.4 Ladder Wiring Diagram.............................................. 21
9.5 Electrical Connection to the Heater ........................... 22
SECTION 10: Operation and Maintenance ..........................23
10.1 Pre-Start-Up Checks ................................................23
10.2 Begin Start-Up .........................................................23
10.3 Complete Start-Up ...................................................25
SECTION 11: User Instructions............................................26
11.1 User Instructions .......................................................26
11.2 Heater Operation ......................................................26
11.3 Common User Controls.............................................26
11.4 Lighting Instructions ..................................................26
11.5 Simple Troubleshooting.............................................27
SECTION 12: Servicing .........................................................28
12.1 Servicing Instructions...............................................28
12.2 Burner Maintenance.................................................28
12.3 Heat Exchanger Maintenance ..................................28
12.4 Gas Valve Maintenance ...........................................28
12.5 Flue Blower ..............................................................28
12.6 Venting and Air Intake Pipe ......................................28
12.7 Maintenance Checklist .............................................29
SECTION 13: Troubleshooting .............................................31
13.1 General ....................................................................31
13.2 Troubleshooting For Automatic Ignition Burner
Systems ...................................................................32
13.3 Troubleshooting for Flame Supervision System .......33
13.4 Troubleshooting for Gas Valves ................................34
13.5 Troubleshooting for Flue Blower ...............................34
SECTION 14: Replacement Parts.........................................35
14.1 Gas Valve .................................................................35
14.2 Burner Compartment ...............................................36
14.3 Ignition Electrode and Flame Probe .........................37
14.4 Heat Exchanger .......................................................37
14.5 Flue Blower Vertical Installation ...............................38
14.6 Pressure Switch........................................................39
14.7 Ignition Control .........................................................39
14.8 Limit Switches ..........................................................39
SECTION 15: Specifications.................................................40
15.1 Dimension Data........................................................40
15.2 General Technical Data Table ..................................41
15.3 Technical Data Table ................................................41
SECTION 16: ROBERTS GORDON ® COMBAT ® UHD-Series
Warranty..........................................................43