Roberts Gorden CTU 22 TO 115 service manual Table of Figures

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TABLE OF FIGURES
Figure 1: Installation Clearances and Clearances to
Combustibles	4
Figure 2: Suspension Methods	9
Figure 3: Flue and Roof Detail	10
Figure 4: Air Intake Terminal Cover	10
Figure 5: Vertical and Horizontal Flue Termination -
Type B22 Appliance	11
Figure 6: Vertical and Horizontal Flue Termination -
Type C12 C32 & C62 Appliances	11
Figure 7: Heaters Installed in Isolated Equipment Rooms	12
Figure 8: Ducting	13
Figure 9: Gas Connection with Stainless Steel Flex
Connector	14
Figure 10: Automatic Burner Control Box Sequence	25
Figure 11: Gas Valve for Heater (Models 22 - 60)	25
Figure 12: Gas Valve for Heater (Models 75 - 115)	26
Figure 13: Heater Operating Sequence	28
Figure 14: Centrifugal Fan Orientation	41

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Contents Supplier after leaving the building Immediately call your local gasFollow the gas supplier’s Instructions Supplier, call the Fire DepartmentPage Roberts-Gordon, LLC Page Table of Figures Page Product Approval Installer Responsibility Heater SafetyClearances to Combustibles Corrosive ChemicalsCritical Considerations 3.1 Basic Information Minimum Required Installation ClearancesVentilation Gas SupplyInstallation Clearances and Clearances to Combustibles Dimension Data Ctua All Models Specifications 4.1 CtuaTop View End View Rear ViewCTUB, Ctuc and Ctud Dimension Data CTUB, Ctuc and CtudGeneral Technical Data Table Gas rates corrected to standard conditions 1013.25 mbar 15 C Handling Heater Installation 5.1 GeneralAir Intake Terminal Cover Flue Installation 6.1 Flue InstallationType B22 Appliance Vertical and Horizontal Flue Termination Type B22 Appliance AIR Supply Ctud Heaters Optional Heater ConfigurationsDistribution Duct Work for CTUB, Ctuc and Ctud Heaters Connections GAS PipingOption a Option BWiring and Electrical Information 50 Hz Ctua Wiring Diagram ModelsSite Wiring CTUB/C Wiring Diagram Models Site Wiring230 V 1 Ø 50 Hz Ignition ModuleRUN For external fan wiring Ctud Wiring Diagram ModelsSite Wiring and Electrical Information Louvres CommissioningElectrical Checks Mechanical ChecksEnd View Automatic Burner Control Box SequenceTurning Off the Heater Combustion TestingCheck Gas Rate Instruction to the User External ControlsComplete the Commissioning Heater Operation Burner Lockout Reset ButtonCommon User Controls Thermostat Limit Thermodisc Lighting Instructions To Turn On HeaterTo Turn the Heater Off Simple Fault FindingSimple Fault Finding Burner Faults 13.3 Fan/Motor Assembly Maintenance Burner MaintenanceHeat Exchanger Maintenance Gas Control Valve MaintenanceGas Valves Conversion Between Gases 14.1 GeneralBurner Conversion Start Conduct Commissioning procedure as shown on Page 24, SectionConduct Commissioning procedure as shown Troubleshooting For Automatic Ignition Burner SystemsFor your safety and optimum heater performance Troubleshooting for Solenoid Valves Troubleshooting for Flame Supervision SystemRemoval and Replacement Parts Burner Injectors Burner CompartmentIgnition Electrode and Flame Probe Remove screws securing outlet flange to the flue adapter RG P/N Pressure SwitchFan Removal and Replacement Ctua Axial Fan/Guard/Motor AssemblyTo Replace the Fan Assembly Ctub & Ctuc Centrifugal Fan/Guard/Motor AssemblyFan Data Centrifugal Fan OrientationPage Page Page Some objects can catch fire or explode when placed

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.

Type B22 Appliance

Type C12 C32 & C62 Appliances

CTU 22 TO 115 specifications