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Roberts Gorden
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Roberts Gorden
CTCU 22, CTCU 27, CTCU 15, CTCU 11 Side Panel Label Placement, 3 of, Part Number
Models:
CTCU 32
CTCU 7
CTCU 22
CTCU 11
CTCU 15
CTCU 27
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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 9
Image 9
SECTION 1: H
EATER
S
AFETY
Figure 2: Side Panel Label Placement
Description
Part Number
Lighting Label
91040002
Wiring Diagram Label
91040020
3 of 42
Page 8
Page 10
Page 9
Image 9
Page 8
Page 10
Contents
Models CTCU
Combat
CTCU
If you smell gas
Page
Page
Page
TABLE OF FIGURES
Page
1 of
Product Approval
Figure 1 Front and Back Panel Label Placement
SECTION 1 HEATER SAFETY
1.1 Manpower Requirements
1.2 Safety Labels and Their Placement
Figure 2 Side Panel Label Placement
3 of
Part Number
2.1 Clearances to Combustibles
SECTION 2 INSTALLER RESPONSIBILITY
2.2 Corrosive Chemicals
Product Damage Hazard
SECTION 3 CLEARANCES TO COMBUSTIBLES
Fire Hazard
3.1 Required Clearances to Combustibles
80 cm is necessary to service
Disconnect electric before service
Heaters may be installed vented or unvented
DANGER
SECTION 4 CRITCAL CONSIDERATIONS 4.1 Ventilation
Dimension Data - CTCUA All Models
SECTION 5 SPECIFICATIONS 5.1 CTCUA All Models
140 for
8 of
5.2 General Technical Data Table All Models
6.2 Basic Information
SECTION 6 HEATER INSTALLATION 6.1 General
6.4 Handling
6.5Suspension and Shelf Mounting
Figure 4: Suspension Methods
Existing cabinet screws must be re-used
11 of
Figure 6 Vertical Louvres Optional
Figure 5 Shelf Mounting and Hanging Suspension
See Page 14, Figure 7 through Page 14, Figure
7.4 Type B22 Appliance
Cut/Pinch Hazard
Edges are sharp
14 of
Figure 7 Flue and Roof Detail
15 of
8.2 Open Flued Installation
8.1 Room Sealed Installation
8.2.1 Heaters Installed Within the Heated Space
SECTION 8 AIR SUPPLY
9.1 Connections
SECTION 9 GAS PIPE WORK
18 of
10.2 Remote Controls
SECTION 10 WIRING AND ELECTRICAL INFORMATION
10.1 Electrical Supply
10.2.1 Burner Controls Thermostat
20 of
10.3 CTCUA Wiring Diagram Models
Gas Fired Heater
SECTION 11 COMMISSIONING
11.1 Pre-CommissionChecks
11.1.1 Louvres
11.4 Begin Commissioning
11.4.1 Before Operating the Heater
Figure 11 Automatic Burner Control Box Sequence
Figure 12 Gas Valve for Heater Models
11.5 Combustion Testing
Check Gas Rate
11.6 Turning Off the Heater
11.9 Instruction to the User
11.8 Complete the Commissioning
before service
heater before service
during installation
SECTION 12 USER INSTRUCTIONS
12.5 Simple Fault Finding
12.3.3 Burner Lockout Reset Button
12.5.1 Simple Fault Finding Burner Faults
12.3.2 Limit Thermostat
13.2 Burner Maintenance
Turn off gas and electrical supply before service
13.3 Fan/Motor Assembly Maintenance
13.4 Heat Exchanger Maintenance
13.7 Maintenance Checklist
13.5 Gas Control Valve Maintenance
13.6 Flue Fan
The Vicinity of the Heater
Burner Observation
when installed
Window
Flue Blower Scroll, Wheel
SECTION 14 CONVERSION BETWEEN GASES 14.1 General
14.2 Burner Conversion
14.3 Gas Valves
Disconnect electric before service
SECTION 15 TROUBLESHOOTING
heater before service
before service
32 of
15.1 General
33 of
SECTION 15 TROUBLESHOOTING
15.4 Troubleshooting for Solenoid Valves
15.3 Troubleshooting for Flame Supervision System
NOTE Minimum flame probe current 1 µA DC
34 of
15.5 Troubleshooting for Main Fan
SECTION 15 TROUBLESHOOTING
35 of
Burner Components
SECTION 16 REMOVAL AND REPLACEMENT PARTS
16.1 Gas Valve
16.1.1 Models
16.2.1 Burner Injectors
16.2 Burner Compartment
16.3 Ignition Electrode and Flame Probe
39 of
16.4 Flue Fan Vertical Installation Models
40 of
16.5 Flue Fan Vertical Installation Models
Carbon Monoxide Hazard
16.6 Pressure Switch
16.8.1 Fan Removal and Replacement
16.8 CTCUA Axial Fan/Guard/Motor Assembly
16.8.2 To Replace the Fan Assembly
16.7 Ignition Control
Page
destratification fans are installed
80 cm is necessary to service heater
Fire Hazard
close to heater
