UHA STANDARD UNIT HEATER INSTALLATION OPERATION AND SERVICE MANUAL
| Model | UHA[X][S] | UHA[X][S] | UHA[X][S] | UHA[X][S] | UHA[X][S] | UHA[X][S] | UHA[X][S] | UHA[X][S] |
| 150 | 175 | 200 | 225 | 250 | 300 | 350 | 400 | |
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A | in | 42.4 | 42.4 | 42.4 | 42.4 | 42.4 | 52.3 | 52.3 | 52.3 |
| (cm) | (107.7) | (107.7) | (107.7) | (107.7) | (107.7) | (132.8) | (132.8) | (132.8) |
B | in | 26.7 | 26.7 | 35.0 | 35.0 | 35.0 | 43.2 | 43.2 | 43.2 |
| (cm) | (67.8) | (67.8) | (88.9) | (88.9) | (88.9) | (109.7) | (109.7) | (109.7) |
C | in | 25.5 | 25.5 | 25.5 | 25.5 | 25.5 | 25.5 | 25.5 | 25.5 |
| (cm) | (64.8) | (64.8) | (64.8) | (64.8) | (64.8) | (64.8) | (64.8) | (64.8) |
D | in | 17.6 | 17.6 | 17.6 | 17.6 | 17.6 | 24.7 | 24.7 | 24.7 |
| (cm) | (44.7) | (44.7) | (44.7) | (44.7) | (44.7) | (62.7) | (62.7) | (62.7) |
E | in | 19.4 | 19.4 | 19.4 | 19.4 | 19.4 | 19.4 | 19.4 | 19.4 |
| (cm) | (49.3) | (49.3) | (49.3) | (49.3) | (49.3) | (49.3) | (49.3) | (49.3) |
F | in | 30.0 | 30.0 | 32.0 | 32.0 | 32.0 | 30.0 | 30.0 | 30.0 |
| (cm) | (76.2) | (76.2) | (81.3) | (81.3) | (81.3) | (76.2) | (76.2) | (76.2) |
G | in | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 7.0 | 7.0 | 7.0 |
| (cm) | (15.2) | (15.2) | (15.2) | (15.2) | (15.2) | (17.8) | (17.8) | (17.8) |
H | in | 8.6 | 8.6 | 8.3 | 8.3 | 8.3 | 11.2 | 11.2 | 11.2 |
| (cm) | (21.8) | (21.8) | (21.1) | (21.1) | (21.1) | (28.4) | (28.4) | (28.4) |
J | in | 15.3 | 15.3 | 17.2 | 17.2 | 17.2 | 13.8 | 13.8 | 13.8 |
| (cm) | (38.9) | (38.9) | (43.7) | (43.7) | (43.7) | (35.1) | (35.1) | (35.1) |
K | in | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | 6.2 | 6.2 | 6.2 |
| (cm) | (8.6) | (8.6) | (8.6) | (8.6) | (8.6) | (15.7) | (15.7) | (15.7) |
L | in | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 8.7 | 8.7 | 8.7 |
| (cm) | (15.0) | (15.0) | (15.0) | (15.0) | (15.0) | (22.1) | (22.1) | (22.1) |
M | in | 2.4 | 2.4 | 2.4 | 2.4 | 2.4 | 2.4 | 2.4 | 2.4 |
| (cm) | (6.1) | (6.1) | (6.1) | (6.1) | (6.1) | (6.1) | (6.1) | (6.1) |
N | in | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 |
| (cm) | (16.5) | (16.5) | (16.5) | (16.5) | (16.5) | (16.5) | (16.5) | (16.5) |
16.2 General Technical Data Table
| Model | UHA[X][S] | UHA[X][S] | UHA[X][S] | UHA[X][S] | UHA[X][S] | UHA[X][S] | UHA[X][S] | UHA[X][S] |
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| 150 | 175 | 200 | 225 | 250 | 300 | 350 | 400 |
Full Load Amps @ 120 V | A | 10.6 | 10.6 | 10.6 | 10.6 | 10.6 | 11.6 | 11.6 | 11.6 |
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Air Volume | CFM | 3500 | 3500 | 3716 | 3716 | 3716 | 4663 | 4663 | 4663 |
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Flue and Air Intake |
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Flue Intake Size | in (cm) | 4 (10) | 4 (10) | 4 (10) | 4 (10) | 4 (10) | 4 (10) | 4 (10) | 4 (10) |
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Air Intake Size | in (cm) | 4 (10) | 4 (10) | 4 (10) | 4 (10) | 4 (10) | 5 (13) | 5 (13) | 5 (13) |
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*Maximum Straight |
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Flue/Air Intake | ft (m) | 40 (1) | 40 (1) | 40 (1) | 40 (1) | 40 (1) | 40 (1) | 40 (1) | 40 (1) |
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| lbs | 217 | 237 | 255 | 265 | 270 | 355 | 375 | 375 |
Weight (Net) | (kg) | (98.4) | (107.5) | (115.7) | (120.2) | (122.5) | (161.0) | (170.1) | (170.1) |
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*Do not exceed the maximum length of flue stated or heater may not operate properly.
16.3 Technical Data Table
| Model | UHA[X][S] | UHA[X][S] | UHA[X][S] | UHA[X][S] | UHA[X][S] | UHA[X][S] UHA[X][S] UHA[X][S] | ||
| 150 | 175 | 200 | 225 | 250 | 300 | 350 | 400 | |
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Total Input | (Btu/h) x (1000) | 150 | 175 | 200 | 225 | 250 | 300 | 350 | 385 |
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Total Output | (Btu/h) x (1000) | 123 | 143.5 | 164 | 184.5 | 205 | 246 | 287 | 315.7 |
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Efficiency | % | 82 | 82 | 82 | 82 | 82 | 82 | 82 | 82 |
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Natural Gas (G20) Data - Inlet Pressure 5.0 in wc Min., 14 in wc Max.
Burner Pressure | in wc | 3.2 | 3.4 | 3.7 | 3.7 | 4.0 | 2.7 | 2.7 | 3.3 |
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LPG / Propane (G31) Data - Inlet Pressure 12.0 in wc Min., 14 in wc Max.
Burner Pressure | in wc | 9.9 | 10.4 | 10.5 | 10.7 | 10.5 | 9.4 | 9.3 | 11.1 |
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