COMBAT CTU-90 - CTUD External Motor Alternative Wiring & Optional Thermostat;Time Switch

54 pages

Save Page as PDF

To Next Page

To Next Page

To Previous Page

To Previous Page

Loading...

COMBAT

®

CTU UNIT HEATERS INSTALLATION OPERATION AND SER VICE MANUAL

24 of 46

11.6 CTUD External Motor Alternative Wiring & Optional Thermostat/Time Switch

Table of Contents

Default Chapter3
- Table of Contents3
Table of Figures8
Table of Contents8
SECTION 1: Heater Safety8
- Manpower Requirements8
- Safety Labels and Their Placement8
- Figure 1: Side and Back Panel Label Placement8
- Figure 2: Side Panel Label Placement9
SECTION 2: Installer Responsibility10
- Laminated Wall Plate10
- Corrosive Chemicals10
- National Standards and Applicable Regulations10
SECTION 3: Clearances to Combustibles11
- Required Clearances to Combustibles11
- Figure 3: Installation Clearances and Clearances to Combustibles12
SECTION 4: Critical Considerations13
- Ventilation13
- Gas Supply13
- Electrical Supply13
- Flue13
SECTION 5: Specifications14
- Ctua14
- CTUB, CTUC and CTUD15
- General Technical Data Table16
- Technical Data Table17
SECTION 6: Heater Installation18
- General18
- Basic Information18
- Location and Suspension18
- Handling18
- Suspension and Shelf Mounting18
- Figure 4: Suspension Methods19
SECTION 7: Flue Installation20
- Flue Installation20
- Type B Appliance20
- C 32 & C 62 Appliance20
- Figure 5: Flue and Roof Detail20
- Figure 6: Vertical and Horizontal Flue Termination21
- Figure 7: Vertical and Horizontal Flue Termination21
SECTION 8: Air Supply22
- Room Sealed Installation22
- Open Flued Installation22
- Building Ventilation22
- Isolated Equipment Rooms22
- Figure 8: Heaters Installed in Isolated Equipment Rooms22
SECTION 9: Optional Heater Configurations23
- Distribution Duct Work for CTUB, CTUC and CTUD Heaters23
- Figure 9: Ducting23
SECTION 10: Gas Pipe Work24
- Connections24
- Figure 10: Gas Connection with Stainless Steel Flex Connector25
SECTION 11: Wiring and Electrical Information26
- Electrical Supply26
- Remote Controls26
- CTUA Wiring Diagram (Models 75-115)27
- CTUB/C Wiring Diagram (Models 75-115)28
- CTUD Wiring Diagram (Models 75-115)29
- CTUD External Motor Alternative Wiring & Optional Thermostat/Time Switch30
SECTION 12: Commissioning31
- Pre-Commission Checks31
- Gas Supply31
- Mechanical Checks31
- Begin Commissioning32
- Figure 11: Sequence of Operation Chart32
- Combustion Testing33
- Turning off the Heater33
- Figure 12: Gas Valve for Heater (Models 75 - 115)33
- External Controls34
- Complete the Commissioning34
- Instruction to the User34
SECTION 13: User Instructions35
- User Instructions35
- Heater Operation35
- Figure 13: Heater Operating Sequence35
- Common User Controls36
- Lighting Instructions36
- Simple Fault Finding36
SECTION 14: Servicing37
- Servicing Instructions37
- Burner Maintenance37
- Fan/Motor Assembly Maintenance37
- Heat Exchanger Maintenance38
- Gas Control Valve Maintenance38
- Flue Fan38
- Maintenance Checklist38
SECTION 15: Conversion between Gases40
- General40
- Burner Conversion40
- Gas Valves40
SECTION 16: Troubleshooting41
- General42
- Troubleshooting for Automatic Ignition Burner Systems43
- Troubleshooting for Flame Supervision System44
- Troubleshooting for Solenoid Valves44
SECTION 17: Removal and Replacement Parts45
- Gas Valve45
- Burner Compartment46
- Ignition Electrode and Flame Probe48
- Flue Fan49
- Pressure Switch50
- Ignition Control51
- CTUA Axial Fan/Guard/Motor Assembly51
- CTUB & CTUC Centrifugal Fan/Guard/Motor Assembly51
- Fan Data52
- Figure 14: Centrifugal Fan Orientation52

Related product manuals

Preview: COMBAT CUHA

COMBAT Elite ELG 75-235