Roberts Gorden
DAT90, DAT75, DAT100, DAT115
service manual
Table of Figures
Troubleshooting
Specifications
Install
DAT Wiring Diagram
Simple Fault Finding
Site wiring connections shown
Maintenance
Remote Control
Combustion Testing
Removal and Replacement Parts
Page 5
TABLE OF FIGURES
Figure 1: Condense Drain
3
Figure 2: Installation Clearances and Clearances to
Combustibles
4
Figure 3: Suspension Methods
9
Figure 4: Flue and Roof Detail
10
Figure 5: Control Section & Upper Panel
11
Figure 6: Alternate
11
Figure 7: Vertical and Horizontal Flue Termination -
Type B
22
Appliance
12
Figure 8: Vertical and Horizontal Flue Termination -
Type C
12
C
32
& C
62
Appliances
12
Figure 9: DualAir
®
Units Installed in Isolated Equipment
Rooms
13
Figure 10: Ducting
14
Figure 11: Gas Connection with Stainless Steel Flex
Connector
15
Figure 12: Automatic Burner Control Box Sequence
22
Figure 13: Modureg Gas Valve
22
Figure 14: Heater Operating Sequence
25
Figure 15: Fan/Limit Thermostat
25
Figure 16: Belt Tension
28
Figure 17: Standard Regulator Removal
36
Figure 18: Cooling Coil Safety Devices
41
Figure 19: Combination Fan/Limit Thermostat
44
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Page 6
Image 5
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Page 6
Contents
DualAir
Page
Roberts-Gordon, LLC
Page
Table of Figures
Page
Product Approval
Installer Responsibility
Heater Safety
Clearances to Combustibles
Corrosive Chemicals
Critical Considerations 3.1 Basic Information
Minimum Required Installation Clearances
Location and Suspension All models
Ventilation
Installation Clearances and Clearances to Combustibles
Front View Left Version
Specifications 4.1 DAT
Model 100 115 Fan Data
General Technical Data Table
Model 100 115
2 DAT100 and 115 4 kW motor
Shelf Mounting and Suspension
Heater Installation 5.1 General
Handling
Type B22 Appliance
Flue Installation 6.1 Flue Installation
Air Intake Terminal Cover
Flue Conversion
Control Section & Upper Panel
Vertical and Horizontal Flue Termination Type B22 Appliance
Open Flued Installation
Room Sealed Installation
AIR Supply
Building Ventilation
Department for recommendations regarding
Optional Heater Configurations 8.1 Distribution Duct
Duct resistance and design. Tel +44 0 121
7700
Connections
GAS Piping
Remote Control
Wiring and Electrical Information
See Page 17, .3 through Page 18, Section
Models
Number
See Page 20, Section
DAT Wiring Diagram
Site wiring connections shown
DAT Site Connections at Main Circuit Board
Commissioning
Automatic Burner Control Box Sequence
Commissioning the Gas Valves
Combustion Testing
Commissioning the Gas Valve
Set Minimum Pressure
Turning Off the DualAir Unit
Pressure Switch
Complete the Commissioning
Instruction to the User
Common User Controls Combination Fan/Limit Thermostat
Heater Operation
See Page 7, .3 and Page 8, Figure
Secondary Limit Thermostat
Simple Fault Finding
Burner Lockout Reset Button
Simple Fault Finding burner faults
Cooling Section Operation
If you smell gas
13.3 Fan/Motor Assembly Maintenance
Burner Maintenance
Heat Exchanger Maintenance
Servicing 13.1 Servicing Instructions
Gas Control Valve Maintenance
Gas Valves
Conversion Between Gases 14.1 General
Burner Conversion
Conduct Commissioning procedure as shown on Page 21, Section
Result in death or electrical shock
Troubleshooting For Automatic Ignition Burner Systems
Start
Troubleshooting for Flame Supervision System
Troubleshooting for Main Fan
Troubleshooting for Solenoid Valves
Conduct Commissioning procedure as on Page 21, Section
Troubleshooting for Fan Contactor
Gas Valve Replacement all models
Removal and Replacement Parts
Burner Components
Gas Valve
Burner Injectors
Burner Compartment
Ignition Electrode and Flame Probe
Remove screws securing outlet flange to the flue adapter
See Page 21, Section
Heater Pressure Switch
Filter Pressure Switch
Pressure Switches
Coil Pressure Switch
Fan Motor Removal
Ignition Control
16.7.1 S4563C
Fan Removal and Replacement
BREAK-OFF Link Must be Removed
Page
Some objects can catch fire or explode when placed
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