3 general technical data table – Roberts Gorden COMBAT CTU 22 TO 115 User Manual
Page 13
SECTION 4: S
PECIFICATIONS
7
4.3 General Technical Data Table
Model
CTU-22
CTU-30 CTU-35 CTU-40 CTU-50 CTU-60 CTU-75 CTU-90 CTU-100 CTU-115
CTUA With Axial Fan
Total Electrical Load
W
210
210
210
210
415
415
510
510
745
745
Run Current
A
1.0
1.0
1.0
1.0
1.72
1.72
1.9
1.9
3.2
3.2
Start Current
A
1.4
1.4
1.4
1.4
2.4
2.4
2.8
2.8
4.5
4.5
Air Flow
m
3
/h
3800
4000
4000
4000
5500
5500
7500
7500
11,000
11,000
Sound Pressure Level
at 3 m
[NR]
dB(A)
[51]
56
[51]
56
[51]
56
[51]
56
[52.1]
57.1
[52.1]
57.1
[52.3]
57.3
[52.3]
57.3
[52.3]
57.3
[52.3]
57.3
CTUB with Centrifugal Fan and CTUC Range with Centrifugal Fan and Duct Inlet
Total Electrical Load
W
550
550
550
550
1100
1100
1100
1100
1650
1650
Normal Run Current
A
4.6
4.6
4.6
4.6
11.0
11.0
11.0
11.0
15.6
15.6
Normal Start Current
A
9.0
9.0
9.0
9.0
13.5
13.5
13.5
13.5
19.2
19.2
Normal Speed
Medium Medium Medium Medium Medium Medium Medium Medium Medium
Medium
High Run Current
A
5.5
5.5
5.5
5.5
14.0
14.0
14.0
14.0
21.0
21.0
High Start Current
A
13.6
13.6
13.6
13.6
17.2
17.2
17.2
17.2
25.8
25.8
Air Flow
m
3
/h
3300
3300
3300
3300
5500
5500
6400
6400
9400
9400
Sound Pressure Level
at 3 m
[NR]
dB(A)
[59]
59.5
[59]
59.5
[59]
59.5
[59]
59.5
[61]
61.5
[61]
61.5
[62]
61.8
[62]
61.8
[63]
64.2
[63]
64.2
CTUD Duct Heater with No Fan
**Minimun Air Flow
Required
m
3
/h
3300
3300
3300
3300
5500
5500
6400
6400
9400
9400
Pressure Loss Across
Heat Exchanger
Pa
30
30
30
30
30
30
30
30
30
30
Flue and AIr Intake
Flue and Air Intake
Size
mm Ø
100
100
100
100
100
100
130
130
130
130
*Maximum Straight
Flue/Air Intake
m
7
8
8
10
13
15
15
17
20
20
Electrical load at 230 V 50 Hz measured by calculating from total run current of appliance.
* Do not exceed the maximum length of flue stated or heater may not operate properly. Reduce the
maximum length stated by 1 m for each 90° bend installed.
**If minimum air flow requirements are not met, then temperature limit devices will shut down the heater.