Table Of Contents - Addison UHA 150 Installation, Operation & Service Manual

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
2.1 Wall Tag ....................................................................... 5
2.2 Corrosive Chemicals.................................................... 5
2.3 National Standards and Applicable Codes .................. 5
SECTION 3: Critical Considerations ..................................... 6
3.1 Basic Information ......................................................... 6
3.2 Manufactured Units...................................................... 6
3.3 Location and Suspension ............................................ 6
3.4 Minimum Required Installation Clearances ................. 6
3.5 Ventilation .................................................................... 6
3.6 Gas Supply .................................................................. 6
3.7 Electrical Supply .......................................................... 6
3.8 Vent.............................................................................. 6
SECTION 4: Clearances TO combustibles............................ 7
4.1 Required Clearances To Combustibles........................ 7
4.2 Clearances To Combustibles ....................................... 7
SECTION 5: National Standards and Applicable Codes ..... 8
5.1 Gas Codes................................................................... 8
5.2 Aircraft Hangars ........................................................... 8
5.3 Parking Structures and Repair Garages ...................... 8
5.4 Electrical ...................................................................... 8
5.5 Venting......................................................................... 8
5.6 High Altitude ................................................................ 9
SECTION 6: Heater installation............................................ 10
6.1 General ...................................................................... 10
6.2 Suspension ................................................................ 10
SECTION 7: Venting.............................................................. 11
7.1 Venting ....................................................................... 11
7.2 Vent Installation .......................................................... 11
7.3 Unvented Operation ................................................... 12
7.4 Horizontal Venting ...................................................... 12
7.5 Vertical Venting........................................................... 12
7.6 Length Requirements ................................................. 12
7.7 Vent Material............................................................... 13
7.8 Replacing an Existing Heater in a Venting System..... 13
SECTION 8: Air Supply......................................................... 18
8.1 Separated Combustion Installation ............................ 18
8.2 Unvented Installation ................................................. 18
8.3 Building Ventilation .................................................... 18
8.4 Outside Combustion 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 Low Voltage Thermostat with Multiple Heaters
(Models UHA[X][S]150 - 250) .................................... 22
10.4 Low Voltage Thermostat with Multiple Heaters
(Models UHA[X][S]300 - 400).................................... 23
10.5 UHA[X][S] Series Internal Wiring Diagram............... 24
10.6 UHA[X][S] Series Ladder Wiring Diagram................ 25
10.7 Electrical Connection to the Heater.......................... 26
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SECTION 11: Operation and Maintenance ..........................27
11.1 Pre-Start-Up Checks .................................................27
11.2 Begin Start-Up ..........................................................28
11.3 Complete the Start-Up ..............................................30
SECTION 12: User Instructions............................................31
12.1 Heater Operation......................................................31
12.2 Lighting Instructions .................................................31
12.3 Simple Troubleshooting ............................................31
SECTION 13: Servicing .........................................................32
13.1 Servicing Instructions...............................................32
13.2 Burner Maintenance.................................................32
13.3 Fan/Motor Assembly Maintenance ...........................32
13.4 Heat Exchanger Maintenance ..................................32
13.5 Gas Valve Maintenance ...........................................32
13.6 Flue Blower ..............................................................32
13.7 Venting and Air Intake Pipe ......................................33
13.8 Maintenance Checklist .............................................33
SECTION 14: Troubleshooting .............................................35
14.1 General ....................................................................36
14.2 Troubleshooting For Automatic Ignition Burner
Systems...................................................................37
14.3 Troubleshooting for Flame Supervision System .......38
14.4 Troubleshooting for Gas Valves................................39
14.5 Troubleshooting for Flue Blower ...............................39
SECTION 15: Replacement Parts.........................................40
15.1 Gas Valve .................................................................40
15.2 Burner Compartment ...............................................41
15.3 Ignition Electrode and Flame Probe .........................42
15.4 Heat Exchanger .......................................................43
15.5 Louvers and Louver Spring ......................................43
15.6 Flue Blower .............................................................44
15.7 Pressure Switch........................................................45
15.8 Ignition Control .........................................................45
15.9 Axial Fan/Guard/Motor Assembly.............................45
15.10 Limit Switches ........................................................46
SECTION 16: Specifications.................................................47
16.1 Dimension Data........................................................47
16.2 General Technical Data Table ..................................48
16.3 Technical Data Table ................................................48
SECTION 17: The ADDISON
© 2012
Addison
Printed in U.S.A.
® UHA-Series Warranty...........49