Service manual

TABLE OF FIGURES
Figure 1: UHA[X][S] 30 - 45 Label Placement...........................2
Figure 2: UHA[X][S] 60 - 75 Label Placement...........................3
Figure 3: UHA[X][S] 100 - 125 Label Placement .......................4
Figure 4: Installation Clearances and Clearances to
Combustibles .............................................................8
Figure 5: Suspension Methods ............................................... 12
Figure 6: Shelf-Mounting Methods .......................................... 12
Figure 7: Wall Shelf Mounting and Suspension ......................13
Figure 8: Vertical Louvers........................................................ 14
Figure 9: Vent and Roof Detail ................................................ 18
Figure 10: Standard Vented Heater - Vertical and Horizontal
Vent Termination..................................................... 18
Figure 11: Standard Vented Heater - Common Vertical Vent
Termination ............................................................19
Figure 12: Separated Combustion Heater - Vertical and
Horizontal Vent Termination ...................................20
Figure 13: Concentric Vent Box...............................................20
Figure 14: Concentric Vertical and Horizontal Vent
Termination - Separated Combustion Heater .........21
Figure 15: Gas Connection .....................................................24
Figure 16: Automatic Burner Control Sequence ......................32
Figure 17: Gas Valve for Models UHA[X][S] 30 - 45................32
Figure 18: Gas Valve for Models UHA[X][S] 60 - 125 ..............33
Figure 19: Manual Reset Limit Switch .....................................36
Figure 20: LED Diagnostic Codes...........................................36
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