Roberts Gorden CTCU 22, CTCU 27, CTCU 15, CTCU 11, CTCU 7 General Technical Data Table All Models

Models: CTCU 32 CTCU 7 CTCU 22 CTCU 11 CTCU 15 CTCU 27

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5.2 General Technical Data Table (All Models)

SECTION 5: SPECIFICATIONS

5.2 General Technical Data Table (All Models)

 

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

m3/h

1120

1220

2710

2750

4474

 

 

 

 

 

 

 

Air Throw

m

9

12

14

16

16

 

 

 

 

 

 

 

 

[NR]

[31]

[35]

[39]

[42]

[42]

Sound Pressure Level at 3 m

dB(A)

37

41

45

48

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

 

 

 

 

 

 

 

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.

5.3Technical Data Table (All Models) Appliance Category II 2H/L 3B/P

 

Model

CTCU-7

CTCU-11

CTCU-15

CTCU-22

CTCU-27

CTCU-32

 

 

 

 

 

 

 

 

Heat Input

kW

8.5

13.4

18.3

27.5

33

38.5

Gross CV

(Btu/h) x (1000)

29

46

62

94

113

131

 

 

 

 

 

 

 

 

Heat Input

kW

7.7

12.1

16.5

24.8

29.7

34.7

Net CV

(Btu/h) x (1000)

26

41

56

85

101

118

 

 

 

 

 

 

 

 

Approximate

kW

7.1

11.1

15.1

23

27.2

31.7

Heat Output

(Btu/h) x (1000)

24

38

52

78

93

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

 

 

 

 

 

 

 

 

 

m3/h

0.8

1.3

1.7

2.6

3.1

3.6

Gas Rate

ft3/h

29

45

62

93

110

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

 

 

 

 

 

 

 

 

 

m3/h

0.9

1.5

2.0

3

3.6

4.2

Gas Rate

ft3/h

33

52

72

108

127

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

 

 

 

 

 

 

 

 

 

m3/h

0.3

0.5

0.7

1

1.2

1.4

Gas Rate

kg/h

0.59

0.93

1.27

1.91

2.3

2.68

 

 

 

 

 

 

 

 

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

 

 

 

 

 

 

 

 

 

 

m3/h

 

0.2

0.4

0.5

0.8

.9

1.1

Gas Rate

kg/h

 

0.6

0.94

1.28

1.93

2.31

2.7

 

 

 

 

 

 

 

 

 

 

 

Gas Connection

 

 

 

 

 

 

 

 

 

 

 

 

 

CTCUA

 

 

R - 1/2"

R - 1/2"

R - 1/2"

R - 1/2"

R - 1/2"

R - 1/2"

 

 

 

 

 

 

 

 

 

Gas rates corrected to standard conditions 1013.25 mbar 15° C

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Roberts Gorden CTCU 22, CTCU 27, CTCU 15, CTCU 11, CTCU 7, CTCU 32 service manual General Technical Data Table All Models