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Roberts Gorden
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Roberts Gorden
CTCU 27, CTCU 15, CTCU 11, CTCU 22, CTCU 7, CTCU 32 service manual
Models:
CTCU 32
CTCU 7
CTCU 22
CTCU 11
CTCU 15
CTCU 27
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50 pages
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Troubleshooting
Specification
Install
CTCUA Wiring Diagram Models
Front and Back Panel Label Placement
Maintenance
Wiring And Electrical Information
Burner Lockout Reset Button
CTCUA Axial Fan/Guard/Motor Assembly
Combustion Testing
Page 6
Image 6
Page 5
Page 7
Page 6
Image 6
Page 5
Page 7
Contents
CTCU
Combat
Models CTCU
If you smell gas
Page
Page
Page
TABLE OF FIGURES
Page
Product Approval
1 of
1.1 Manpower Requirements
SECTION 1 HEATER SAFETY
Figure 1 Front and Back Panel Label Placement
1.2 Safety Labels and Their Placement
Figure 2 Side Panel Label Placement
3 of
Part Number
2.2 Corrosive Chemicals
SECTION 2 INSTALLER RESPONSIBILITY
2.1 Clearances to Combustibles
Product Damage Hazard
SECTION 3 CLEARANCES TO COMBUSTIBLES
Fire Hazard
3.1 Required Clearances to Combustibles
80 cm is necessary to service
DANGER
Heaters may be installed vented or unvented
Disconnect electric before service
SECTION 4 CRITCAL CONSIDERATIONS 4.1 Ventilation
140 for
SECTION 5 SPECIFICATIONS 5.1 CTCUA All Models
Dimension Data - CTCUA All Models
8 of
5.2 General Technical Data Table All Models
6.4 Handling
SECTION 6 HEATER INSTALLATION 6.1 General
6.2 Basic Information
6.5Suspension and Shelf Mounting
Figure 4: Suspension Methods
Existing cabinet screws must be re-used
11 of
Figure 5 Shelf Mounting and Hanging Suspension
Figure 6 Vertical Louvres Optional
Cut/Pinch Hazard
7.4 Type B22 Appliance
See Page 14, Figure 7 through Page 14, Figure
Edges are sharp
Figure 7 Flue and Roof Detail
14 of
15 of
8.2.1 Heaters Installed Within the Heated Space
8.1 Room Sealed Installation
8.2 Open Flued Installation
SECTION 8 AIR SUPPLY
SECTION 9 GAS PIPE WORK
9.1 Connections
18 of
10.1 Electrical Supply
SECTION 10 WIRING AND ELECTRICAL INFORMATION
10.2 Remote Controls
10.2.1 Burner Controls Thermostat
10.3 CTCUA Wiring Diagram Models
20 of
11.1 Pre-CommissionChecks
SECTION 11 COMMISSIONING
Gas Fired Heater
11.1.1 Louvres
11.4 Begin Commissioning
11.4.1 Before Operating the Heater
Figure 11 Automatic Burner Control Box Sequence
Check Gas Rate
11.5 Combustion Testing
Figure 12 Gas Valve for Heater Models
11.6 Turning Off the Heater
11.8 Complete the Commissioning
11.9 Instruction to the User
during installation
heater before service
before service
SECTION 12 USER INSTRUCTIONS
12.5.1 Simple Fault Finding Burner Faults
12.3.3 Burner Lockout Reset Button
12.5 Simple Fault Finding
12.3.2 Limit Thermostat
13.3 Fan/Motor Assembly Maintenance
Turn off gas and electrical supply before service
13.2 Burner Maintenance
13.4 Heat Exchanger Maintenance
13.6 Flue Fan
13.5 Gas Control Valve Maintenance
13.7 Maintenance Checklist
The Vicinity of the Heater
Window
when installed
Burner Observation
Flue Blower Scroll, Wheel
SECTION 14 CONVERSION BETWEEN GASES 14.1 General
14.2 Burner Conversion
14.3 Gas Valves
heater before service
SECTION 15 TROUBLESHOOTING
Disconnect electric before service
before service
15.1 General
32 of
SECTION 15 TROUBLESHOOTING
33 of
NOTE Minimum flame probe current 1 µA DC
15.3 Troubleshooting for Flame Supervision System
15.4 Troubleshooting for Solenoid Valves
34 of
15.5 Troubleshooting for Main Fan
SECTION 15 TROUBLESHOOTING
35 of
16.1 Gas Valve
SECTION 16 REMOVAL AND REPLACEMENT PARTS
Burner Components
16.1.1 Models
16.2 Burner Compartment
16.2.1 Burner Injectors
16.3 Ignition Electrode and Flame Probe
16.4 Flue Fan Vertical Installation Models
39 of
16.5 Flue Fan Vertical Installation Models
40 of
16.6 Pressure Switch
Carbon Monoxide Hazard
16.8.2 To Replace the Fan Assembly
16.8 CTCUA Axial Fan/Guard/Motor Assembly
16.8.1 Fan Removal and Replacement
16.7 Ignition Control
Page
Fire Hazard
80 cm is necessary to service heater
destratification fans are installed
close to heater