Roberts Gorden DUAL AIR DAT90 - Manual (Page 3)

© 2007
Roberts-Gordon, LLC
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Printed in U.K.
TABLE OF CONTENTS
SECTION 1: Heater Safety...................................................... 2
SECTION 2: Installer Responsibility ..................................... 2
2.1 Clearances to Combustibles ........................................ 2
2.2 Corrosive Chemicals.................................................... 2
2.3 National Standards and Applicable Codes .................. 2
SECTION 3: Critical Considerations ..................................... 3
3.1 Basic Information ......................................................... 3
3.2 Location and Suspension ............................................ 3
3.3 Minimum Required Installation Clearances ................. 3
3.4 Clearances to Combustibles ........................................ 3
3.5 Ventilation .................................................................... 3
3.6 Gas Supply .................................................................. 3
3.7 Electrical Supply .......................................................... 3
3.8 Flue.............................................................................. 3
3.9 Coil Condense Drain.................................................... 3
SECTION 4: Specifications .................................................... 5
4.1 DAT .............................................................................. 5
4.2 General Technical Data Table ..................................... 6
4.3 Technical Data Table - Heater Section ......................... 7
4.4 DualAir
® Performance Data - Graph of Air Flows v
Static Pressure............................................................. 8
SECTION 5: Heater Installation.............................................. 9
5.1 General ........................................................................ 9
5.2 Handling ...................................................................... 9
5.3 Shelf Mounting and Suspension .................................. 9
SECTION 6: Flue Installation ............................................... 10
6.1 Flue Installation.......................................................... 10
6.2 Type C
12
, C
32
& C
62
Appliance .................................... 10
6.3 Type B
22
Appliance..................................................... 10
6.4 Converting from Top to Side Terminations for Flue
and Air Intake ............................................................ 10
SECTION 7: Air Supply......................................................... 13
7.1 Room Sealed Installation ........................................... 13
7.2 Open Flued Installation .............................................. 13
7.3 Building Ventilation ..................................................... 13
7.4 Isolated Equipment Rooms ........................................ 13
SECTION 8: Optional Heater Configurations...................... 14
8.1 Distribution Duct ........................................................ 14
SECTION 9: Gas Piping ........................................................ 15
9.1 Connections............................................................... 15
SECTION 10: Wiring and Electrical Information................. 16
10.1 Electrical Supply ...................................................... 16
10.2 Remote Control ........................................................ 16
10.3 DAT Main Circuit Board Terminal Identification ........ 17
10.4 DAT Wiring Diagram................................................. 18
10.5 DAT Wiring Diagram................................................. 19
10.6 DAT Site Connections at Main Circuit Board............ 20
SECTION 11: Commissioning .............................................. 21
11.1 Pre-Commission Checks .......................................... 21
11.2 Gas Supply ............................................................... 21
11.3 Mechanical Checks................................................... 21
11.4 Begin Commissioning ............................................... 21
11.5 Combustion Testing .................................................. 23
11.6 Turning Off the DualAir
® Unit .................................... 24
11.7 External Controls ...................................................... 24
11.8 Complete the Commissioning ................................... 24
11.9 Instruction to the User .............................................. 24
SECTION 12: User Instructions............................................25
12.1 User Instructions ......................................................25
12.2 Heater Operation......................................................25
12.3 Common User Controls............................................25
12.4 Cooling Section Operation .......................................26
12.5 Heating Section Lighting Instructions.......................26
12.6 Simple Fault Finding.................................................26
SECTION 13: Servicing.........................................................28
13.1 Servicing Instructions...............................................28
13.2 Burner Maintenance.................................................28
13.3 Fan/Motor Assembly Maintenance ...........................28
13.4 Heat Exchanger Maintenance ..................................28
13.5 Gas Control Valve Maintenance ...............................29
13.6 Flue Fan ...................................................................29
SECTION 14: Conversion Between Gases ..........................30
14.1 General ....................................................................30
14.2 Burner Conversion ...................................................30
14.3 Gas Valves ...............................................................30
SECTION 15: Troubleshooting .............................................31
15.1 General ....................................................................31
15.2 Troubleshooting For Automatic Ignition Burner
Systems ...................................................................32
15.3 Troubleshooting for Flame Supervision System .......33
15.4 Troubleshooting for Solenoid Valves ........................34
15.5 Troubleshooting for Main Fan ...................................34
15.6 Troubleshooting for Fan Contactor ...........................35
SECTION 16: Removal and Replacement Parts..................36
16.1 Gas Valve .................................................................36
16.2 Burner Compartment ...............................................37
16.3 Ignition Electrode and Flame Probe. ........................38
16.4 Flue Fan ...................................................................39
16.5 Heater Pressure Switch ............................................40
16.6 Cooling Coil Safety Devices .....................................41
16.7 Ignition Control .........................................................42
16.8 Fan Motor Removal ..................................................42
16.9 Combination Fan/Limit Thermostat ..........................43