Roberts Gorden NDUSTRIA NHE Series, Installation, Operation & Service Manual

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Ndustria
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TABLE OF CONTENTS
SECTION 1: Heater Safety ...................................................... 1
1.1 Manpower Requirements ............................................. 1
1.2 Safety Labels and Their Placement.............................. 1
1.3 California Proposition 65 .............................................. 1
SECTION 2: Installer Responsibility......................................3
2.1 Wall Tag ....................................................................... 3
2.2 Corrosive Chemicals.................................................... 3
2.3 National Standards and Applicable Codes...................3
SECTION 3: Clearances to Combustibles.............................4
3.1 Required Clearances to Combustibles......................... 4
SECTION 4: National Standards and Applicable Codes...... 8
4.1 Gas Codes................................................................... 8
4.2 Aircraft Hangars ........................................................... 8
4.3 Public Garages ............................................................8
4.4 Electrical ......................................................................8
4.5 Venting ......................................................................... 8
4.6 High Altitude ................................................................ 8
SECTION 5: Major Components ............................................ 9
5.1 Standard Parts List .................................................... 11
SECTION 6: Heater Installation............................................ 14
6.1 Outdoor Mounting ...................................................... 16
SECTION 7: Optional Heater Accessories .......................... 26
7.1 U-Tube Configuration.................................................. 26
7.2 Elbow Package Configuration..................................... 30
7.3 Reflector Side Extension (Not for outdoor use
or areas exposed to wind)........................................... 32
7.4 Lower Clearance Shield Installation ........................... 33
7.5 Two-Foot Decorative Grille Installation ....................... 33
7.6 Protective Grille Installation ........................................ 35
SECTION 8: Venting .............................................................. 44
8.1 General Venting Requirements .................................. 44
8.2 Unvented Operation................................................... 47
8.3 Horizontal Venting...................................................... 47
8.4 Vertical Venting ..........................................................47
8.5 Unvented Operation Tube Termination....................... 47
8.6 Length Requirements ................................................ 47
8.7 Venting Options..........................................................49
8.8 Horizontal Ventilation 4" (10 cm) Pipe........................ 50
8.9 Vertical Ventilation 4" (10 cm) Pipe ............................ 50
8.11 Common Vertical Venting ........................................ 53
8.12 Outside Combustion Air Supply ...............................54
SECTION 9: Gas Piping ........................................................ 57
SECTION 10: Wiring .............................................................. 59
10.1 Line Voltage Thermostat Wiring ...............................60
10.2 Low Voltage Thermostat with One Burner ............... 60
10.3 Low Voltage Thermostat Wiring with
Multiple Burners ...................................................... 61
10.4 Internal Wiring.......................................................... 61
10.5 Ladder Diagram....................................................... 61
10.6 Electrical Connection to the Burner Box using Line
Voltage Thermostat on Control ........................................ 62
10.7 Electrical Connection to Burner Box using
Low Voltage Thermostat on Control......................... 62
SECTION 11: Operation and Maintenance.......................... 63
11.1 Sequence of Operation ............................................ 63
11.2 To Shut Off Heater .................................................... 63
11.3 To Start Heater ......................................................... 63
11.4 Pre-Season Maintenance and Annual Inspection..... 63
11.5 Maintenance Checklist ............................................. 63
SECTION 12: Troubleshooting ............................................. 66
12.1 Troubleshooting Flow Chart ..................................... 66
12.2 Manifold Gas Pressure Setting ................................ 69
SECTION 13: Replacement Parts ........................................ 70
SECTION 14: General Specifications .................................. 72
14.1 Material Specifications............................................. 72
14.2 Heater Specifications............................................... 72
14.3 Suspension Specifications....................................... 72
14.4 Controls Specifications ............................................ 72
SECTION 15: The NDUSTRIA
™
NHE
Warranty.......................................................... 73
Printed in U.S.A.