Roberts Gorden Tubular Unit Heaters 300 User Manual
Page 45
SECTION 15: S
PECIFICATIONS
39
15.2 General Technical Data Table (All Models)
*Do not exceed the maximum length of flue stated or heater may not operate properly.
15.3 Technical Data Table (All Models)
Model
UHA[S]
150
UHA[S]
175
UHA[S]
200
UHA[S]
225
UHA[S]
250
UHA[S]
300
UHA[S]
350
UHA[S]
400
Full Load Amps @ 115 V
A
5.8
5.8
10.6
10.6
10.6
11.6
11.6
11.6
Air Volume
CFM
2245
2245
3716
3716
3716
4663
4663
4663
Flue and Air Intake
Flue Intake Size
in (cm)
4 (10)
4 (10)
4 (10)
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)
5 (13)
5 (13)
5 (13)
*Maximum Straight Flue/Air Intake
ft (m)
40 (1)
40 (1)
40 (1)
40 (1)
40 (1)
40 (1)
40 (1)
40 (1)
Model
UHA[S]
150
UHA[S]
175
UHA[S]
200
UHA[S]
225
UHA[S]
250
UHA[S]
300
UHA[S]
350
UHA[S]
400
Total Input
(Btu/h) x (1000)
150
175
200
225
250
300
350
385
Total Output
(Btu/h) x (1000)
123
143.5
164
184.5
205
246
287
315.7
Efficiency
%
82
82
82
82
82
82
82
82
Natural Gas (G20) Data - Inlet Pressure 5.0 in w.c. Min., 14 in w.c. Max.
Burner Pressure
in. w.c.
3.2
3.4
3.7
3.7
4.0
2.7
2.7
3.3
LPG / Propane (G31) Data - Inlet Pressure 12.0 in w.c. Min., 14 in w.c. Max.
Burner Pressure
in. w.c.
9.9
10.4
10.5
10.7
10.5
9.4
9.3
11.1