SECTION 4: SPECIFICATIONS

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

m3/h

3800

4000

4000

4000

5500

5500

7500

7500

11,000

11,000

 

 

 

 

 

 

 

 

 

 

 

 

Sound Pressure Level

[NR]

[51]

[51]

[51]

[51]

[52.1]

[52.1]

[52.3]

[52.3]

[52.3]

[52.3]

at 3 m

dB(A)

56

56

56

56

57.1

57.1

57.3

57.3

57.3

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

m3/h

3300

3300

3300

3300

5500

5500

6400

6400

9400

9400

 

 

 

 

 

 

 

 

 

 

 

 

Sound Pressure Level

[NR]

[59]

[59]

[59]

[59]

[61]

[61]

[62]

[62]

[63]

[63]

at 3 m

dB(A)

59.5

59.5

59.5

59.5

61.5

61.5

61.8

61.8

64.2

64.2

 

 

 

 

 

 

 

 

 

 

 

 

CTUD Duct Heater with No Fan

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

**Minimun Air Flow

 

 

 

 

 

 

 

 

 

 

 

Required

m3/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.

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Roberts Gorden CTU 22 TO 115 service manual General Technical Data Table
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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.
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