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Rapid Engineering LLC
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TABLE OF CONTENTS
SECTION 1: Heater Safety......................................................1
SECTION 2: Installer Responsibility .....................................4
SECTION 3: Critical Considerations .....................................5
SECTION 4: Clearances to Combustibles.............................6
SECTION 5: National Standards and Applicable Codes......7
SECTION 6: Duct Heater Installation.....................................8
6.1 General ........................................................................8
6.2 Shelf Mounting and Suspension ..................................9
6.3 Wall Mounting ..............................................................9
SECTION 7: Venting .............................................................. 11
7.1 Changing Vent and Air Intake Orientation................... 11
7.2 Venting........................................................................ 11
7.3 Vent Installation .......................................................... 11
7.4 Horizontal Venting....................................................... 12
7.5 Vertical Venting ........................................................... 12
7.6 Length Requirements ................................................. 12
7.7 Vent Material............................................................... 12
7.8 Replacing an Existing Heater in a Venting System ..... 12
SECTION 8: Air Supply ......................................................... 18
SECTION 9: Gas Piping ........................................................ 19
9.1 Connections............................................................... 19
SECTION 10: Wiring ..............................................................21
10.1 Positioning Thermostats...........................................21
10.2 Low Voltage Thermostat with One Heater................21
10.3 UHD[X][S] Series Internal Wiring Diagram...............22
10.4 UHD[X][S] Series Ladder Wiring Diagram ...............23
10.5 Electrical Connection to the Heater..........................24
SECTION 11: Operation and Maintenance ......................... 25
11.1 Pre-Start-Up Checks ................................................ 25
11.2 Begin Start-Up ......................................................... 25
11.3 Pressure Switch........................................................ 27
11.4 Turning Off the Heater .............................................. 27
11.5 External Controls...................................................... 27
11.6 Complete Start-Up ................................................... 27
11.7 Instruction to the User .............................................. 27
SECTION 12: User Instructions........................................... 28
12.1 Heater Operation..................................................... 28
12.2 Common User Controls ........................................... 28
12.3 Lighting Instructions ................................................ 29
12.4 Simple Troubleshooting ........................................... 29
SECTION 13: Servicing ........................................................ 30
13.1 Servicing Instructions .............................................. 30
13.2 Burner Maintenance ................................................ 30
13.3 Heat Exchanger Maintenance ................................. 30
13.4 Gas Valve Maintenance........................................... 30
13.5 Flue Blower ............................................................. 30
13.6 Venting and Air Intake Pipe ..................................... 31
13.7 Maintenance Checklist ............................................ 31
SECTION 14: Troubleshooting............................................. 33
14.1 General.................................................................... 34
14.2 Troubleshooting For Automatic Ignition Burner
Systems .................................................................. 35
14.3 Troubleshooting for Flame Supervision System....... 36
14.4 Troubleshooting for Gas Valves ............................... 37
14.5 Troubleshooting for Flue Blower .............................. 37
SECTION 15: Replacement Parts ........................................ 38
15.1 Gas Valve ................................................................ 38
15.2 Burner Injectors ....................................................... 39
15.3 Ignition Electrode and Flame Probe ........................ 40
15.4 Heat Exchanger....................................................... 40
15.5 Flue Blower Vertical Installation for UHD[X][S]75
Only ......................................................................... 41
SECTION 16: Specifications ................................................ 43
16.1 Dimension Data ....................................................... 43
16.2 General Technical Data Table .................................. 44
16.3 Technical Data Table................................................ 44
UHD-Series Warranty....................... 45
Содержание UHDS 100
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