Service manual

UHA STANDARD UNIT HEATER INSTALLATION OPERATION AND SERVICE MANUAL
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15.2.2
Remove 4 screws to remove manifold.
Ensure gas tight fitting of injectors.
Ensure correct alignment with burners.
Ensure all pipe joints are gas tight.
Burner Injectors for Models UHA[T][M][X][S] 150-400
MODEL
UHA
[T][M][X][S]
150
UHA
[T][M][X][S]
175
UHA
[T][M][X][S]
200
UHA
[T][M][X][S]
225
UHA
[T][M][X][S]
250
UHA
[T][M][X][S]
300
UHA
[T][M][X][S]
350
UHA
[T][M][X][S]
400
Orifice Quantity 7 8 9 10 11 12 14 14
Natural Gas
Orifice Marking 43 43 2.25 mm 2.25 mm 2.25 mm 43 43 40
P/N 91930043 91930043 91930225 91930225 91930225 91930043 91930043
91930040
Propane
Orifice Marking 1.35 mm 1.35 mm 54 54 54 1.45 mm 53 53
P/N 91930135 91930135 91930054 91930054 91930054 91930145 91930053 91930053