Roberts Gorden DAT90, DAT75, DAT100, DAT115 service manual Site wiring connections shown

Page 25

SECTION 10: WIRING AND ELECTRICAL INFORMATION

10.5 DAT Wiring Diagram Models 75-115

Yellow

Red

Blue

Brown

White

Black

Pink

Grey

Site wiring connections shown

 

 

 

 

 

 

 

9

Condensor control circuit

 

 

 

 

 

 

 

10

limit devices

 

 

 

 

 

Aux contact

 

This appliance

 

 

 

 

 

14

13

 

 

 

 

 

 

 

 

 

must be Earthed

 

 

Fuse 5A

overload & contactor

 

 

 

 

 

 

 

 

 

N

 

main

 

2

 

 

2

1

L1

400 V 50 Hz

fan

 

4

 

 

4

3

L2

3 N Suppy

motor

 

 

 

 

 

 

 

 

6

 

 

6

5

 

 

 

 

 

 

L3

 

 

 

R3/2

 

 

 

 

 

 

 

 

96

95

A2

A1

 

Remote fan controls 230 V

Blue

 

 

 

 

 

 

1

N

R2/2

 

 

 

 

2

230 V output to controls

 

 

 

 

 

 

 

Heater

 

R1/1

 

 

 

 

3

Heating Stage 230 V

Supply

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Brown

L

R1 230 V

 

 

 

 

 

 

 

 

Relay

 

 

 

 

 

 

 

 

 

Yellow

 

 

Burner

 

 

 

 

 

 

 

 

 

 

 

 

 

ON

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Violet

 

 

 

 

 

 

 

 

 

4

Heat ON 230 V

 

 

 

3

1

3

2

Coil Safety

 

 

 

 

 

 

5

N

 

 

 

 

 

 

 

Violet

 

 

 

 

 

 

7

Lockout 230 V

 

 

 

Coil Frost Stat

Coil Press Sw

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

8

Remote Lockout

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

reset 230 V

 

White

 

 

H1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

 

 

 

 

 

 

 

 

 

Black

 

 

H3

 

 

 

R3/1

 

 

Control inputs 230 V

 

 

 

 

 

 

2

 

 

 

 

 

 

 

 

 

 

 

 

7

4

1

 

11

1st stage cool (free cool)

 

Filter pressure Sw

 

R2 230 V

10

2

 

 

 

 

 

 

 

Filter

12

2nd stage cool

 

 

 

 

3

 

2

 

 

2 R3 230 V

 

 

 

 

 

 

 

Pressure Switch

 

7

13

3rd stage cool

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R4 230 V

 

 

 

 

 

 

 

 

 

 

 

 

 

14

N Damper supply 230 V

 

 

 

 

 

 

 

 

 

 

4

 

 

 

 

 

 

 

Red

 

TH

R2/1

 

 

 

15

Recirc' air

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Limit

1

 

 

 

 

16

Fresh air

 

 

 

 

 

 

 

 

 

 

 

 

Orange

 

 

 

 

Green

 

 

3

 

 

 

 

Brown-white

 

 

 

9

11

 

18

1st stage

 

 

 

 

 

 

 

17

cooling condenser

 

 

 

 

 

 

 

Heat On

 

 

 

R3/3

 

 

 

 

 

 

 

Red-white

Red

 

 

 

1

3

 

19

cooling condenser

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Lock Out

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R4/1

 

 

 

 

 

 

 

 

 

 

 

 

 

20

2nd stage

 

 

 

 

 

 

 

Common

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Blue

 

 

 

 

 

 

21

 

 

 

 

 

 

Neutral

 

 

 

 

 

 

Dirty filter warning 230 V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Lock Out

 

 

 

 

 

 

22

 

 

 

 

 

Grey

 

 

 

 

 

 

 

 

 

 

 

 

Reset

 

 

7

 

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

 

 

 

 

Pink

 

H7

 

 

R5 230 V

R5/1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Grey

H8

28

27

26

25

 

 

24

23

 

 

 

 

 

 

 

 

 

+

 

 

 

 

 

 

Warning lamps (230 V)

Lockout (Red)

 

Heat ON (Green)

Dirty filter warning (Amber)

 

 

 

Honeywell Modureg Valve 0-28 V DC

 

System ground

0 - 10 V DC signal

Burner Modulation control

 

Volt free dirty filter signal

 

19

Image 25
Contents DualAir Page 2005 Page Table of Figures Page Product Approval Corrosive Chemicals Clearances to CombustiblesNational Standards and Applicable Codes Critical Considerations 3.1 Basic Information Minimum Required Installation ClearancesElectrical Supply FlueInstallation Clearances and Clearances to Combustibles Front View Left Version Specifications 4.1 DAT all modelsModel 100 115 Fan Data General Technical Data Table all modelsModel 100 115 2 DAT100 and 115 4 kW motor Handling Heater Installation 5.1 GeneralShelf Mounting and Suspension Type B22 Appliance Flue Installation 6.1 Flue InstallationAir Intake Terminal Cover Flue ConversionControl Section & Upper Panel Vertical and Horizontal Flue Termination Type B22 Appliance Open Flued Installation Room Sealed InstallationHeaters Installed Within the Heated Space Building Ventilation14, .1 and to ensure that there is Optional Heater Configurations 8.1 Distribution DuctDepartment for recommendations regarding Duct resistance and design. Tel +44 0Connections Gas Connection with Stainless Steel Flex ConnectorRemote Frost Thermostat Remote ControlSee Page 17, .3 through Page 18, Section Number See Page 20, Section DAT Wiring Diagram ModelsSite wiring connections shown DAT Site Connections at Main Circuit Board Cooling Coils/Condensers Gas Fired HeaterLouvers Electrical ChecksAutomatic Burner Control Box Sequence Commissioning the Gas Valves Combustion Testing all modelsCommissioning the Gas Valve Set Minimum PressureTurning Off the DualAir Unit Pressure SwitchComplete the Commissioning Instruction to the UserSee Page 25, Section See Page 26, SectionHeater Operation See Page 7, .3 and Page 8, FigureSimple Fault Finding all models Burner Lockout Reset ButtonSimple Fault Finding burner faults Cooling Section Operation13.3 Fan/Motor Assembly Maintenance Burner MaintenanceHeat Exchanger Maintenance Servicing 13.1 Servicing InstructionsGas Control Valve Maintenance all models Burner Conversion Conversion Between Gases 14.1 GeneralGas Valves Conduct Commissioning procedure as shown on Page 21, Section Result in death or electrical shock Troubleshooting For Automatic Ignition Burner SystemsStart Troubleshooting for Flame Supervision SystemTroubleshooting for Main Fan Troubleshooting for Solenoid ValvesConduct Commissioning procedure as on Page 21, Section Troubleshooting for Fan ContactorBurner Components Gas Valve Replacement all modelsSee Page 5, Section Gas ValveBurner Injectors Burner CompartmentIgnition Electrode and Flame Probe Remove screws securing outlet flange to the flue adapter See Page 21, Section Heater Pressure SwitchCoil Pressure Switch Pressure SwitchesFilter Pressure Switch 16.7.1 S4563C Models 75 to Ignition ControlFan Motor Removal Fan Removal and Replacement Combination Fan/Limit Thermostat Page Page Some objects can catch fire or explode when placed
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