DualAir
DAT100 DAT115
If you smell gas
Quality in Any Language
Page
TABLE OF CONTENTS
2005
Page
TABLE OF FIGURES
Page
Product Approval
SECTION 1 HEATER SAFETY
SECTION 2 INSTALLER RESPONSIBILITY
2.1 Clearances to Combustibles
2.2 Corrosive Chemicals
3.3 Minimum Required Installation Clearances
3.7 Electrical Supply
3.8 Flue
3.9 Coil Condense Drain
80 cm is necessary to service heater
Front View
SECTION 4 SPECIFICATIONS 4.1 DAT all models
Front View Left Version
4.2 General Technical Data Table all models
4.3Technical Data Table - Heater Section all models Appliance Category II 2H/L 3B/P
4.4.2 DAT100 and 115 4 kW motor
SECTION 5 HEATER INSTALLATION 5.1 General
5.2 Handling
5.3 Shelf Mounting and Suspension
Figure 3 Suspension Methods
terminal. See Page 12, Figure
6.3 Type B22 Appliance
See Page 10, Figure 4 through Page 12, Figure
6.3.1 Air Intake Terminal Cover
Figure 5 Control Section & Upper Panel
Figure 6 Alternate
Roof Terminal
Masterflash
Metal Sleeve
25 mm air gap to combustible material Flue
7.1 Room Sealed Installation
7.2 Open Flued Installation
7.2.1 Heaters Installed Within the Heated Space
SECTION 7 AIR SUPPLY
Department for recommendations regarding
duct resistance and design. Tel +44
494425
Figure 10 Ducting
SECTION 9 GAS PIPING
9.1 Connections
SECTION 10 WIRING AND ELECTRICAL INFORMATION
10.2 Remote Control
10.1 Electrical Supply
10.2.1 Remote Frost Thermostat
Terminal
Relay/Function
Operation
Number
See Page 20, Section
10.4 DAT Wiring Diagram Models
SITE WIRING
Site wiring connections shown
10.5 DAT Wiring Diagram Models
SECTION 10 WIRING AND ELECTRICAL INFORMATION
10.6 DAT Site Connections at Main Circuit Board
SECTION 11 COMMISSIONING Gas Fired Heater
Cooling Coils/Condensers
11.1 Pre Commission Checks
11.1.1 Louvers
Figure 12 Automatic Burner Control Box Sequence
Figure 13 Modureg Gas Valve
Required Incoming Signals
Signals Output By Control
two adjustments. See Page 22, Figure
11.5 Combustion Testing all models
11.4.2 Commissioning the Gas Valves
See Page 22, Figure
Pressure Switch
11.6 Turning Off the DualAir Unit
11.7 External Controls
11.8 Complete the Commissioning
See Page 26, Section
See Page 25, Section
12.2 Heater Operation
12.2.1 Warning Lights
12.3.3 Burner Lockout Reset Button
12.6 Simple Fault Finding all models
12.6.1 Simple Fault Finding burner faults
12.4 Cooling Section Operation
13.2 Burner Maintenance
13.3 Fan/Motor Assembly Maintenance
13.4 Heat Exchanger Maintenance
SECTION 13 SERVICING 13.1 Servicing Instructions
13.5 Gas Control Valve Maintenance all models
Replace faulty gas valves with genuine
ROBERTS GORDON replacement parts 13.6 Flue Fan
Do not repair or disassemble on site
14.2 Burner Conversion
SECTION 14 CONVERSION BETWEEN GASES 14.1 General
14.3 Gas Valves
SECTION 15 TROUBLESHOOTING 15.1 General
Start
values, then reverse the test leads
15.3 Troubleshooting for Flame Supervision System
START
TROUBLESHOOT ENDS
damaged? Is the flame probe
15.4 Troubleshooting for Solenoid Valves
15.5 Troubleshooting for Main Fan
START
START
START
15.6 Troubleshooting for Fan Contactor
TROUBLESHOOT ENDS
SECTION 16 REMOVAL AND REPLACEMENT PARTS
16.1.1 Gas Valve Replacement - all models
Burner Components
See Page 5, Section
16.2 Burner Compartment
16.2.1 Burner Injectors
Ensure gas tight fitting of injectors
Ensure correct alignment with burners
16.3 Ignition Electrode and Flame Probe
16.4 Flue Fan
16.5 Heater Pressure Switch
See Page 21, Section
16.6.2 Pressure Switches
Coil Pressure Switch
Filter Pressure Switch
Figure 18 Cooling Coil Safety Devices
16.7.1 S4563C Models 75 to
16.7 Ignition Control
16.8 Fan Motor Removal
16.8.1 Fan Removal and Replacement
Fire Hazard
Figure 19 Combination Fan/Limit Thermostat
Heat exchanger damage may result
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Installation Clearances
80 cm is necessary to service heater
Fire Hazard
close to heater
Min Pressure Adjustment
Terminals for 
Modulation 
Gas Outlet