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Dometic DDC - User Manual

Dometic DDC
12 pages
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Revised: 7-10-2017
L-2281
DDC Digital Diagnostic Control
Operations Manual
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Summary

DDC Controls Introduction

DDC Features

Lists key hardware and software upgrades enhancing performance and reliability.

Overview of DDC Module

Explains the DDC module's function in modular chiller assemblies for temperature control.

System Inputs

Details the various sensors and switches that provide data to the DDC module.

System Outputs

Compressor Output

Details the compressor output specifications for 230 VAC and 115 VAC systems.

Chillwater Pump

Specifies the chillwater pump operation and its amp ratings for 230/115 VAC.

Seawater Pump

Outlines seawater pump operation tied to compressor status and its amp ratings.

Reversing Valve

Explains reversing valve operation for heating/cooling and head pressure relief.

Electric Heater Dry Contacts

Describes dry contacts for electric heater operation and parallel reversing valve relay.

DDC Controls Operation

Programming the DDC Interface

Guide to navigating and using the SELECT and SET buttons for programming.

Parameter Configuration

Details on setting setpoints, staging, unit modes, and pump operation.

Fault Display Codes

Fault Handling Protocol

Explains how the DDC module responds to various faults and how to restore operation.

DDC Control Specifications

Dimensions and Cable Lengths

Provides physical dimensions of the PCB and standard cable lengths.

System Inputs Summary

Lists and quantifies the required system inputs for the DDC module.

PCB Inputs and Outputs

Terminal Connections

Details the physical terminal connections for AC power, system L2, and various outputs.

Transducer Wiring

Specifies wire colors and connections for pressure transducers and sensors.

Summary

DDC Controls Introduction

DDC Features

Lists key hardware and software upgrades enhancing performance and reliability.

Overview of DDC Module

Explains the DDC module's function in modular chiller assemblies for temperature control.

System Inputs

Details the various sensors and switches that provide data to the DDC module.

System Outputs

Compressor Output

Details the compressor output specifications for 230 VAC and 115 VAC systems.

Chillwater Pump

Specifies the chillwater pump operation and its amp ratings for 230/115 VAC.

Seawater Pump

Outlines seawater pump operation tied to compressor status and its amp ratings.

Reversing Valve

Explains reversing valve operation for heating/cooling and head pressure relief.

Electric Heater Dry Contacts

Describes dry contacts for electric heater operation and parallel reversing valve relay.

DDC Controls Operation

Programming the DDC Interface

Guide to navigating and using the SELECT and SET buttons for programming.

Parameter Configuration

Details on setting setpoints, staging, unit modes, and pump operation.

Fault Display Codes

Fault Handling Protocol

Explains how the DDC module responds to various faults and how to restore operation.

DDC Control Specifications

Dimensions and Cable Lengths

Provides physical dimensions of the PCB and standard cable lengths.

System Inputs Summary

Lists and quantifies the required system inputs for the DDC module.

PCB Inputs and Outputs

Terminal Connections

Details the physical terminal connections for AC power, system L2, and various outputs.

Transducer Wiring

Specifies wire colors and connections for pressure transducers and sensors.

Dometic DDC Specifications

General IconGeneral
CategoryDiagnostic Equipment
ManufacturerDometic
ModelDDC
DisplayLCD screen
CompatibilityDometic refrigeration units
Power Supply12/24V DC
SoftwareProprietary diagnostic software
Related DeviceDometic refrigeration units