Service manual

UHA STANDARD UNIT HEATER INSTALLATION OPERATION AND SERVICE MANUAL
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16.2 General Technical Data Table
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
Full Load Amps @ 120 V A 10.6 10.6 10.6 10.6 10.6
Air Volume CFM 3500 3500 3716 3716
3716
Flue and Air Intake
Flue Intake Size in (cm) 4 (10) 4 (10) 4 (10) 4 (10) 4 (10)
Air Intake Size in (cm) 4 (10) 4 (10) 4 (10) 4 (10) 4 (10)
*Maximum Straight
Flue/Air Intake ft (m) 40 (1) 40 (1) 40 (1) 40 (1) 40 (1)
Weight (Net)
lbs
(k
g)
217
(98.4)
237
(107.5)
255
(115.7)
265
(120.2)
270
(122.5)
*Do not exceed the maximum length of flue stated or heater may not operate properly.
16.3 Technical Data Table
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
Total Input High Fire (Btu/h) x (1000) 150 175 200 225 250
Total Input Low Fire (Btu/h) x (1000) 105 122.5 140 157.5 175
Total Output High Fire (Btu/h) x (1000) 123 143.5 164 184.5 205
Total Output Low Fire (Btu/h) x (1000) 86 100 115 129 143.5
Efficiency (Max Input) % 82 82 82 82
82
Natural Gas Data - Inlet Pressure 5.0 in wc Min., 14 in wc Max.
Burner Pressure High Fire in wc 3.0 3.0 3.2 3.4 3.45
Burner Pressure Low Fire in wc 1. 3 1. 3 1. 6 1. 7
1. 7
LPG / Propane Data - Inlet Pressure 12.0 in wc Min., 14 in wc Max.
Burner Pressure High Fire in wc 11. 1 11. 2 9.5 11. 1 11.6
Burner Pressure Low Fire in wc 5.0 5.5 4.7 5.4 5.5