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

Page 15

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

9 of 42

Image 15
Contents Combat Page Table of Contents Page Table of Figures Page Page Heater Safety Manpower RequirementsSafety Labels and Their Placement Side Panel Label Placement Installer Responsibility Clearances to CombustiblesNational Standards and Applicable Codes Clearances to Combustibles Installation Clearances and Clearances to Combustibles Flue Gas SupplyDimension Data Ctcua All Models Specifications 5.1 Ctcua All ModelsCTCU-7 General Technical Data Table All ModelsWall Mounting Heater Installation 6.1 GeneralBasic Information HandlingSuspension Methods Shelf Mounting and Hanging Suspension Type B22 Appliance For flue termination See Page 14, through Page 15, FigureFlue and Roof Detail Roof Terminal Plastic Cup Masterflash Manifold Air Intake AIR Supply Room Sealed InstallationOpen Flued Installation Heaters Installed Within the Heated SpaceConnections GAS Pipe WorkGas Connection with Stainless Steel Flex Connector Remote Fan Controls Wiring and Electrical InformationRemote Controls Burner Controls ThermostatCtcua Wiring Diagram Models Electrical Checks CommissioningGas Fired Heater LouvresAutomatic Burner Control Box Sequence Begin Commissioning Before Operating the HeaterCombustion Testing Check Gas RateTurning Off the Heater Instruction to the User Complete the CommissioningUser Instructions Heater OperationCommon User Controls 12.3.1 Fan Thermostat Limit Thermostat Burner Lockout Reset ButtonSimple Fault Finding Simple Fault Finding Burner FaultsServicing Instructions 13.3 Fan/Motor Assembly MaintenanceHeat Exchanger Maintenance ServicingVent Pipe/Terminals Gas Control Valve MaintenanceMaintenance Checklist Vicinity of the HeaterFlue Blower Scroll, Wheel When installed DuctworkBurner Observation WindowConversion Between Gases 14.1 General Burner ConversionGas Valves Troubleshooting General Conduct Commissioning procedure as shown on Page 21, SectionTroubleshooting For Automatic Ignition Burner Systems Troubleshooting for Solenoid Valves Troubleshooting for Flame Supervision SystemTroubleshooting for Main Fan All Models Removal and Replacement PartsBurner Components Models 7Burner Injectors Burner CompartmentIgnition Electrode and Flame Probe Model CTCU-7 Flue Fan Vertical Installation Models 7Flue Fan Vertical Installation Models 22 Pressure Switch To Replace the Fan Assembly Ctcua Axial Fan/Guard/Motor AssemblyFan Removal and Replacement Fan and Limit Thermostats 16.9.1 Removal and ReplacementPage Fire Hazard
Related manuals
Manual 40 pages 58.38 Kb

CTCU 32, CTCU 7, CTCU 22, CTCU 11, CTCU 15 specifications

Roberts Gorden offers a diverse range of high-performance make-up air units known as the CTCU series, which includes models CTCU 22, CTCU 15, CTCU 7, CTCU 27, and CTCU 11. Each model is designed to deliver efficient and reliable air management solutions for various industrial and commercial applications.

The CTCU 22 is renowned for its robust construction and powerful performance, providing exceptional air flow rates that can accommodate larger facilities. It features a high-efficiency heat exchanger and a multi-stage filtration system that ensures optimal indoor air quality while reducing energy consumption. This model is particularly beneficial for environments requiring high volumes of tempered air, making it ideal for manufacturing plants and warehouses.

CTCU 15, on the other hand, is slightly smaller yet offers remarkable versatility. With an integrated control system, it can easily adapt to changing operational demands, making it a preferred choice for businesses that experience variable occupancy levels. Its quiet operation minimizes workplace noise, and its energy-efficient design significantly cuts operational costs.

CTCU 7 is specifically engineered for smaller spaces without compromising performance. This unit features compact dimensions while still delivering adequate air flow for localized heating and ventilation needs. The advanced temperature control algorithms allow for precise adjustments, ensuring a comfortable environment even in tight areas.

CTCU 27 stands out with its advanced technology that includes integrated smart controls. This model offers real-time monitoring and data analytics to optimize performance and enhance energy efficiency. Its ability to connect with existing building management systems makes it an appealing choice for modern facilities aiming to improve sustainability initiatives.

The CTCU 11 is characterized by its user-friendly interface and maintenance accessibility. It is built with durable materials that extend its lifespan, ensuring long-term reliability. This unit is ideal for applications where regular maintenance is challenging, as its design allows for easy access to all critical components.

In summary, Roberts Gorden's CTCU series encompasses a range of units catered to various industrial needs. With features focusing on efficiency, flexibility, and user-friendliness, these models deliver high-quality air management solutions to improve indoor environments while reducing energy consumption.