Roberts Gorden UHD[X][S][R] 225 User Manual
© 2008
Roberts-Gordon LLC
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written permission of Roberts-Gordon LLC.
Printed in U.S.A.
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
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
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
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 Suspension .................................................................. 8
5.2 Suspension .................................................................. 8
SECTION 6: Venting................................................................ 9
6.1 Changing Vent and Air Intake Orientation.................... 9
6.2 Venting......................................................................... 9
6.3 Vent Installation ........................................................... 9
6.4 Unvented Operation................................................... 10
6.5 Horizontal Venting...................................................... 10
6.6 Vertical Venting .......................................................... 10
6.7 Length Requirements ................................................ 10
6.8 Vent Material.............................................................. 11
6.9 Replacing an Existing Heater in a Venting System .... 11
6.2 Venting......................................................................... 9
6.3 Vent Installation ........................................................... 9
6.4 Unvented Operation................................................... 10
6.5 Horizontal Venting...................................................... 10
6.6 Vertical Venting .......................................................... 10
6.7 Length Requirements ................................................ 10
6.8 Vent Material.............................................................. 11
6.9 Replacing an Existing Heater in a Venting System .... 11
SECTION 7: Air Supply......................................................... 15
7.1 Separated Combustion Installation............................. 15
7.2 Unvented Installation .................................................. 15
7.3 Building Ventilation ..................................................... 15
7.4 Outside Combustion Air Supply.................................. 15
7.2 Unvented Installation .................................................. 15
7.3 Building Ventilation ..................................................... 15
7.4 Outside Combustion Air Supply.................................. 15
SECTION 8: Gas Piping ........................................................ 16
8.1 Connections............................................................... 16
SECTION 9: Wiring................................................................ 17
9.1 Positioning Thermostats ............................................ 17
9.2 Low Voltage Thermostat with One Heater ................. 17
9.3 Internal Wiring Diagram ............................................. 18
9.4 Ladder Wiring Diagram.............................................. 19
9.5 Electrical Connection to the Heater ........................... 20
9.2 Low Voltage Thermostat with One Heater ................. 17
9.3 Internal Wiring Diagram ............................................. 18
9.4 Ladder Wiring Diagram.............................................. 19
9.5 Electrical Connection to the Heater ........................... 20
SECTION 10: Operation and Maintenance ..........................21
10.1 Pre-Start-Up Checks ................................................21
10.2 Begin Start-Up .........................................................21
10.3 Complete Start-Up ...................................................23
10.2 Begin Start-Up .........................................................21
10.3 Complete Start-Up ...................................................23
SECTION 11: User Instructions............................................24
11.1 User Instructions .......................................................24
11.2 Heater Operation ......................................................24
11.3 Lighting Instructions ..................................................24
11.4 Simple Troubleshooting.............................................24
11.2 Heater Operation ......................................................24
11.3 Lighting Instructions ..................................................24
11.4 Simple Troubleshooting.............................................24
SECTION 12: Servicing .........................................................25
12.1 Servicing Instructions...............................................25
12.2 Burner Maintenance.................................................25
12.3 Heat Exchanger Maintenance ..................................25
12.4 Gas Valve Maintenance ...........................................25
12.5 Flue Blower ..............................................................25
12.6 Venting and Air Intake Pipe ......................................25
12.7 Maintenance Checklist .............................................26
12.2 Burner Maintenance.................................................25
12.3 Heat Exchanger Maintenance ..................................25
12.4 Gas Valve Maintenance ...........................................25
12.5 Flue Blower ..............................................................25
12.6 Venting and Air Intake Pipe ......................................25
12.7 Maintenance Checklist .............................................26
SECTION 13: Troubleshooting .............................................28
13.1 General ....................................................................28
13.2 Troubleshooting For Automatic Ignition Burner
13.2 Troubleshooting For Automatic Ignition Burner
Systems ...................................................................29
13.3 Troubleshooting for Flame Supervision System .......30
13.4 Troubleshooting for Gas Valves ................................31
13.5 Troubleshooting for Flue Blower ...............................31
13.4 Troubleshooting for Gas Valves ................................31
13.5 Troubleshooting for Flue Blower ...............................31
SECTION 14: Replacement Parts.........................................32
14.1 Gas Valve .................................................................32
14.2 Burner Compartment ...............................................33
14.3 Ignition Electrode and Flame Probe .........................34
14.4 Heat Exchanger .......................................................35
14.5 Flue Blower .............................................................35
14.6 Pressure Switch........................................................36
14.7 Ignition Control .........................................................36
14.8 Limit Switches ..........................................................36
14.2 Burner Compartment ...............................................33
14.3 Ignition Electrode and Flame Probe .........................34
14.4 Heat Exchanger .......................................................35
14.5 Flue Blower .............................................................35
14.6 Pressure Switch........................................................36
14.7 Ignition Control .........................................................36
14.8 Limit Switches ..........................................................36
SECTION 15: Specifications.................................................37
15.1 Dimension Data........................................................37
15.2 General Technical Data Table ..................................38
15.3 Technical Data Table ................................................38
15.2 General Technical Data Table ..................................38
15.3 Technical Data Table ................................................38
SECTION 16: The ROBERTS GORDON
®
COMBAT
®
UHD-Series Warranty .....................................39