COMBAT® CTU UNIT HEATERS INSTALLATION OPERATION AND SERVICE MANUAL

4.4Technical Data Table Appliance Category II 2H/L 3B/P

 

Model

CTU-22

CTU-30

CTU-35

CTU-40

CTU-50

CTU-60

CTU-75

CTU-90

CTU-100

CTU-115

 

 

 

 

 

 

 

 

 

 

 

 

 

Heat Input

kW

27

33

39

48

61

70

95

111

119

 

134

Gross CV

(Btu/h) x (1000)

93

113

133

163

210

238

324

378

405

 

459

 

 

 

 

 

 

 

 

 

 

 

 

 

Heat Input

kW

25

30

35

43

55

63

86

100

107

 

121

Net CV

(Btu/h) x (1000)

84

102

119

147

189

215

292

341

365

 

414

 

 

 

 

 

 

 

 

 

 

 

 

 

Approximate

kW

23

27

32

39

51

58

78

91

98

 

111

Heat Output

(Btu/h) x (1000)

78

92

109

133

174

198

266

310

334

 

379

 

 

 

 

 

 

 

 

 

 

 

 

 

Thermostat Limit Thermodisc

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CTUA,B/C,D

°C

75

75

75

75

75

75

75

75

75

 

75

 

 

 

 

 

 

 

 

 

 

 

 

 

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

8.3

8.7

8.5

9.4

9.3

8.5

6.1

6.0

6.2

 

6.3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

m3/h

2.6

3.2

3.7

4.5

5.8

6.6

9.0

10.5

11.3

 

12.8

Gas Rate

ft3/h

92

112

131

160

206

234

319

371

398

 

451

 

 

 

 

 

 

 

 

 

 

 

 

 

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

12.2

12.7

12.5

14.0

13.6

13.2

9.2

9.3

9.2

 

10.2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

m3/h

3.03

3.33

4.31

4.78

6.14

6.98

9.49

11.06

11.86

 

13.43

Gas Rate

ft3/h

107

117

152

169

217

247

335

391

419

 

474

 

 

 

 

 

 

 

 

 

 

 

 

 

LPG Gas 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

26.6

24.9

25.4

25.9

25.6

26.8

25.6

27.3

25.3

 

25.9

 

 

 

 

 

 

 

 

 

 

 

 

 

 

m3/h

1.01

1.23

1.48

1.77

2.27

2.58

3.51

4.09

4.39

 

4.97

 

kg3/h

1.87

2.28

2.75

3.27

4.21

4.79

6.50

7.58

8.13

 

9.21

Gas Rate

liquid/h

3.7

4.5

5.4

6.4

8.3

9.4

12.8

14.9

16.0

 

18.1

 

 

 

 

 

 

 

 

 

 

 

 

LPG Gas 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

18.9

17.4

17.8

19.5

18.4

19.0

18.3

19.4

18.3

 

18.7

 

 

 

 

 

 

 

 

 

 

 

 

 

 

m3/h

0.76

0.93

1.06

1.34

1.72

1.95

2.65

3.09

3.32

 

3.75

 

kg3/h

1.86

2.27

2.59

3.26

4.19

4.77

6.47

7.55

8.09

 

9.17

Gas Rate

liquid/h

3.2

4.0

4.5

5.7

7.3

8.3

11.3

13.2

14.1

 

16.0

 

 

 

 

 

 

 

 

 

 

 

 

 

Gas rates corrected to standard conditions 1013.25 mbar 15° C.

8

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Roberts Gorden CTU 22 TO 115 service manual Gas rates corrected to standard conditions 1013.25 mbar 15 C

CTU 22 TO 115 specifications

The Roberts Gordon CTU 22 TO 115 is a renowned unit heater designed to deliver efficient heating solutions in commercial and industrial settings. Known for its advanced features and robust design, this unit heater is ideal for applications where warmth and comfort are essential, such as warehouses, manufacturing facilities, and large retail spaces.

One of the main features of the CTU 22 TO 115 is its powerful heating capacity. With a range of output capabilities, it can effectively heat large areas, ensuring that employees and equipment remain comfortable during cold weather. The heater's output is adjustable, allowing for tailored heating solutions based on specific operational needs.

This model integrates several innovative technologies to enhance efficiency and performance. The use of advanced combustion technology ensures optimal fuel efficiency, which translates to lower energy costs and reduced environmental impact. The heater is available in both gas and oil configurations, providing versatility to accommodate different fuel sources depending on availability and preference.

In addition to its energy efficiency, the Roberts Gordon CTU features a compact design, making it suitable for installations in tight spaces. Its lightweight construction allows for easy installation and relocation, ensuring that businesses can quickly adapt to changing layout requirements. The unit is equipped with high-quality materials and a durable finish, contributing to its longevity and low maintenance needs.

Safety is a paramount concern in any heating system, and the CTU 22 TO 115 doesn't disappoint. It comes with various safety features, including over-temperature protection, ensuring that it operates securely under all conditions. With automatic shutoff capabilities, the heater provides peace of mind to operators, allowing for unattended operation in more remote settings.

Moreover, the CTU’s quiet operation is a significant advantage, as it minimizes disruption in the workplace, ensuring a comfortable environment for personnel. Its design also facilitates easy access to components for maintenance, thus ensuring that the unit remains operational with minimal downtime.

Overall, the Roberts Gordon CTU 22 TO 115 combines performance, efficiency, and safety features to create a reliable heating solution for diverse industrial applications. Its adaptability to various fuel types and efficient design makes it a popular choice among facility managers looking for dependable heating solutions.