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Roberts Gorden CTCU 22 Manual Do Utilizador

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COMBAT
®
 CTCU U
NIT
 H
EATER
 I
NSTALLATION
 O
PERATION
 
AND
 S
ERVICE
 M
ANUAL
6 
4.2 General Technical Data Table (All Models)
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.
4.3 Technical Data Table (All Models)
Appliance Category II 
2H/L 3B/P
Gas rates corrected to standard conditions 1013.25 mbar 15° C.
Model
CTCU-7
CTCU-11
CTCU-15
CTCU-22
CTCU-27 / 32
 CTCUA, Axial Fans
Total Electrical Load
W
260
274
336
384
345
Run Current
A
1.1
1.2
1.5
1.7
1.5
 Start Current
A
1.7
1.8
2.5
2.9
2.6
 Air Flow
m
3
/h
1120
1220
2710
2750
4474
 Sound Pressure Level at 3 m 
[NR]    
dB(A)
[31]
37
[35]
41
[39]
45
[42]
48
[42]
48
Flue and AIr Intake
 Flue and Air Intake Size
mm Ø
80
80
80
80
100
 *Maximum Straight Flue/Air Intake
m
2.5
4
5
5
5
Model
CTCU-7
CTCU-11
CTCU-15
CTCU-22                  CTCU-27
CTCU-32
 Heat Input  
 Gross CV
kW
(Btu/h) x (1000)
8.5
29
13.4
46
18.3                                                                                                                                                              
62
27.5                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               
94
33
113
38.5
131
Heat Input
Net CV
kW
(Btu/h) x (1000)
7.7
26
12.1
41
16.5
56
24.8
85
29.7
101
34.7
118
 Approximate
Heat Output
kW
(Btu/h) x (1000)
7.1
24
11.1
38
15.1
52
23
78
27.2
93
31.7
108
 Natural Gas (G20) Data - Inlet Pressure 20 mbar (7.8 in WG) Min. 17 mbar (6.8 in WG) Max. 25 mbar (10 in WG)
 Burner Pressure
mbar
9.5
9.5
9.5
9.5
9.0
9.0
 Gas Rate
m
3
/h
ft
3
/h
0.8
29
1.3
45
1.7
62
2.6
93
3.1
110
3.6
127
 Natural Gas (G25) Data - Inlet Pressure 25 mbar (10 in WG) Min. 20 mbar (7.8 in WG) Max. 30 mbar (12 in WG)
 Burner Pressure
mbar
9.0
9.0
9.5
9.2
9.2
9.3
 Gas Rate
m
3
/h
ft
3
/h
0.9
33
1.5
52
2.0
72
3
108
3.6
127
4.2
148
 LPG / Propane (G31) Data - Inlet Pressure 37 mbar (14.6 WG) Min. 25 mbar (10 in WG) Max. 45 mbar (18 in WG)
 Alternative where permitted 50 mbar (20 in WG) Min. 42.5 bar (17 in WG) Max. 57.5 mbar (23 in WG)
 Burner Pressure
mbar
25.6
29.4
29.4
28.6
29.9
29.9
 Gas Rate
m
3
/h
kg
3
/h
0.3
0.16
0.5
0.25
0.7
0.34
1
0.51
1.2
.61
1.4
.71
 LPG / Butane (G30) Data - Inlet Pressure 29 mbar (11,4 in WG) Min. 20 mbar (7.8 in WG) Max. 35 mbar (13.8 WG)
 Burner Pressure
mbar
19.2
21.9
22.9
21.4
21.4
22.4
 Gas Rate
m
3
/h
kg
3
/h
0.2
0.09
0.4
0.14
0.5
0.19
0.8
0.29
.9
.34
1.1
.42