Roberts Gorden 300 Gas Heater User Manual


 
UHA STANDARD UNIT HEATER INSTALLATION OPERATION AND SERVICE MANUAL
48 of 51
16.2 General Technical Data Table
*Do not exceed the maximum length of flue stated or heater may not operate properly.
16.3 Technical Data Table
Model
UHA[X][S]
150
UHA[X][S]
175
UHA[X][S]
200
UHA[X][S]
225
UHA[X][S]
250
UHA[X][S]
300
UHA[X][S]
350
UHA[X][S]
400
A
in
(cm)
42.4
(107.7)
42.4
(107.7)
42.4
(107.7)
42.4
(107.7)
42.4
(107.7)
52.3
(132.8)
52.3
(132.8)
52.3
(132.8)
B
in
(cm)
26.7
(67.8)
26.7
(67.8)
35.0
(88.9)
35.0
(88.9)
35.0
(88.9)
43.2
(109.7)
43.2
(109.7)
43.2
(109.7)
C
in
(cm)
25.5
(64.8)
25.5
(64.8)
25.5
(64.8)
25.5
(64.8)
25.5
(64.8)
25.5
(64.8)
25.5
(64.8)
25.5
(64.8)
D
in
(cm)
17.6
(44.7)
17.6
(44.7)
17.6
(44.7)
17.6
(44.7)
17.6
(44.7)
24.7
(62.7)
24.7
(62.7)
24.7
(62.7)
E
in
(cm)
19.4
(49.3)
19.4
(49.3)
19.4
(49.3)
19.4
(49.3)
19.4
(49.3)
19.4
(49.3)
19.4
(49.3)
19.4
(49.3)
F
in
(cm)
30.0
(76.2)
30.0
(76.2)
32.0
(81.3)
32.0
(81.3)
32.0
(81.3)
30.0
(76.2)
30.0
(76.2)
30.0
(76.2)
G
in
(cm)
6.0
(15.2)
6.0
(15.2)
6.0
(15.2)
6.0
(15.2)
6.0
(15.2)
7.0
(17.8)
7.0
(17.8)
7.0
(17.8)
H
in
(cm)
8.6
(21.8)
8.6
(21.8)
8.3
(21.1)
8.3
(21.1)
8.3
(21.1)
11.2
(28.4)
11.2
(28.4)
11.2
(28.4)
J
in
(cm)
15.3
(38.9)
15.3
(38.9)
17.2
(43.7)
17.2
(43.7)
17.2
(43.7)
13.8
(35.1)
13.8
(35.1)
13.8
(35.1)
K
in
(cm)
3.4
(8.6)
3.4
(8.6)
3.4
(8.6)
3.4
(8.6)
3.4
(8.6)
6.2
(15.7)
6.2
(15.7)
6.2
(15.7)
L
in
(cm)
5.9
(15.0)
5.9
(15.0)
5.9
(15.0)
5.9
(15.0)
5.9
(15.0)
8.7
(22.1)
8.7
(22.1)
8.7
(22.1)
M
in
(cm)
2.4
(6.1)
2.4
(6.1)
2.4
(6.1)
2.4
(6.1)
2.4
(6.1)
2.4
(6.1)
2.4
(6.1)
2.4
(6.1)
N
in
(cm)
6.5
(16.5)
6.5
(16.5)
6.5
(16.5)
6.5
(16.5)
6.5
(16.5)
6.5
(16.5)
6.5
(16.5)
6.5
(16.5)
Model
UHA[X][S]
150
UHA[X][S]
175
UHA[X][S]
200
UHA[X][S]
225
UHA[X][S]
250
UHA[X][S]
300
UHA[X][S]
350
UHA[X][S]
400
Full Load Amps @ 120 V A 10.6 10.6 10.6 10.6 10.6 11.6 11.6 11.6
Air Volume CFM 3500 3500 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)
Weight (Net)
lbs
(kg)
217
(98.4)
237
(107.5)
255
(115.7)
265
(120.2)
270
(122.5)
355
(161.0)
375
(170.1)
375
(170.1)
Model
UHA[X][S]
150
UHA[X][S]
175
UHA[X][S]
200
UHA[X][S]
225
UHA[X][S]
250
UHA[X][S]
300
UHA[X][S]
350
UHA[X][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 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
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