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Dometic VARC 60 - User Manual

Dometic VARC 60
72 pages
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VARC Chiller Control
Operations Manual
Dometic Group Marine Division
Rev. 20170511
L-3499 English
P/N 338208
COPYRIGHT © 2011-2017 Dometic Group Marine Division. All Rights Reserved.
No part of this publication may be reproduced, translated, stored in a retrieval system, or transmitted in any form or by any means
electronic, mechanical, photocopying, recording or otherwise without prior written consent by Dometic Corporation. Every
precaution has been taken in the preparation of this manual to insure its accuracy. However, Dometic Corporation assumes no
responsibility for errors and omission. Neither is any liability assumed for damages resulting from the use of this product and
information contained herein.

Table of Contents

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Summary

PGD1 and PLDPRO Display Navigation

Alarm Button Operation

Button to display active alarms and clear them.

Touchscreen Interface Navigation

Main Touchscreen Page

Overview of the main touchscreen interface with navigational icons.

Chiller Enable Screen

Takes user to operational screen for setpoints and pump info.

Alarms Display and History

Displays active and historical alarms with help info.

Remote Support Function

Enables third-party remote viewing via VNC.

System Overview

System Startup Procedures

Describes chiller operation modes and initial setup options.

Setpoint Adjustments

Cooling Setpoint Configuration

Adjustable parameter for cooling setpoint with specified range.

Heating Setpoint Configuration

Adjustable parameter for heating setpoint with specified range.

Operational Modes

Cooling Mode Operation

System starts cooling based on setpoint; details pump operation.

Heating Mode Operation

System starts heating based on setpoint; details pump operation.

Main Menu Navigation Tree

Menu B: Setpoint Configuration

Options to set heating/cooling, current limiting, and units.

Menu E: Alarm History Access

Captures parameters at the time of an alarm for review.

Menu G: Technician Access

Access technician menu for settings, commission, working hours, BMS config, service, manual management.

Technician Menu Settings

Sub Menu B: Commissioning

Enter dealer contact info and commission the system.

Sub Menu B: Probe Adjustment

Calibration of temperature sensors and pressure transducers.

Service Settings and Control Loops

Sub Menu C: Control Loops

Set superheat setpoint and PID parameters.

Sub Menu E: Stage Address

Change unit addresses for multistage Modbus connections.

Service Settings Menu

Working hour set, probe adjustments, control loops, alarm log reset.

Control Loops Settings

Superheat, cooling/heating setpoints, PID parameters.

Stage Management and Manual Control

Sub Menu F: Stage Disable

Take a stage off-line for maintenance while system runs in limp mode.

Electrical Specifications

Appendix I: Touchscreen Navigation Details

Main Touchscreen Page Overview

Overview of the main touchscreen interface with navigational icons.

Chiller Enable Screen Operation

Takes user to operational screen for setpoints and pump info.

Chiller Setpoints and Summary

Chiller Summary Screen

Shows stage state (HP, LP, FS) and supply water temp.

Chiller Stage Monitoring

Active Alarms Display

Alarm History Log

Alarm Help and Troubleshooting

Remote Support Functionality

Appendix II: PGD1 & PRO Display Navigation Tree

Main Status Screen Details

Displays operating status, temperatures, pressures, and component states.

Program Settings

Factory Configuration

Access to factory configurations and settings.

Technician Settings

Access to technician menus, service settings, and pump control.

Setpoint Configuration

Parameters for heating, cooling, electric heat, current limiting, and units.

Input;Output Configuration

Configuration for analog inputs, digital inputs, and relay outputs.

Alarm History Access

Access to alarm logs and compressor speed data.

Program Technician Settings

Technician Menu Access

Access technician menu for settings, commission, working hours, BMS config, service, manual management.

Compressor & EEV Control

Manual valve position, speed, capacity, and EEV settings.

Program Factory Settings

EVO Configuration Settings

Settings for valve regulation, PID parameters, and custom configurations.

Factory Settings Details

EVO Configuration Settings

EVO Configuration Parameters

Settings for valve opening, PID parameters, and custom configurations.

Power + n1 Configuration

Regulation Settings

Output frequency, skip frequencies, speed derating, and stop modes.

Power + n1 Regulation Details

Regulation Parameters

Control of output frequency, switching, speed, and envelope parameters.

I;O Configurations

Appendix III: Multistage Setup

Ensuring Firmware Compatibility

Networking Setup (1 of 3)

Networking Setup (2 of 3)

Networking Setup (3 of 3)

Appendix IV: Configuration & Setup

Enabling Electric Heat

HMI Setup: Uploading Program

Deleting Old Program

Activating Maintenance Mode

Enabling Maintenance Mode via Touchscreen

Appendix V: Alarm Table

Appendix VI: Default Parameters

Appendix VII: I;O Table & Wiring Diagram

VARC Standard Wiring Diagram

Summary

PGD1 and PLDPRO Display Navigation

Alarm Button Operation

Button to display active alarms and clear them.

Touchscreen Interface Navigation

Main Touchscreen Page

Overview of the main touchscreen interface with navigational icons.

Chiller Enable Screen

Takes user to operational screen for setpoints and pump info.

Alarms Display and History

Displays active and historical alarms with help info.

Remote Support Function

Enables third-party remote viewing via VNC.

System Overview

System Startup Procedures

Describes chiller operation modes and initial setup options.

Setpoint Adjustments

Cooling Setpoint Configuration

Adjustable parameter for cooling setpoint with specified range.

Heating Setpoint Configuration

Adjustable parameter for heating setpoint with specified range.

Operational Modes

Cooling Mode Operation

System starts cooling based on setpoint; details pump operation.

Heating Mode Operation

System starts heating based on setpoint; details pump operation.

Main Menu Navigation Tree

Menu B: Setpoint Configuration

Options to set heating/cooling, current limiting, and units.

Menu E: Alarm History Access

Captures parameters at the time of an alarm for review.

Menu G: Technician Access

Access technician menu for settings, commission, working hours, BMS config, service, manual management.

Technician Menu Settings

Sub Menu B: Commissioning

Enter dealer contact info and commission the system.

Sub Menu B: Probe Adjustment

Calibration of temperature sensors and pressure transducers.

Service Settings and Control Loops

Sub Menu C: Control Loops

Set superheat setpoint and PID parameters.

Sub Menu E: Stage Address

Change unit addresses for multistage Modbus connections.

Service Settings Menu

Working hour set, probe adjustments, control loops, alarm log reset.

Control Loops Settings

Superheat, cooling/heating setpoints, PID parameters.

Stage Management and Manual Control

Sub Menu F: Stage Disable

Take a stage off-line for maintenance while system runs in limp mode.

Electrical Specifications

Appendix I: Touchscreen Navigation Details

Main Touchscreen Page Overview

Overview of the main touchscreen interface with navigational icons.

Chiller Enable Screen Operation

Takes user to operational screen for setpoints and pump info.

Chiller Setpoints and Summary

Chiller Summary Screen

Shows stage state (HP, LP, FS) and supply water temp.

Chiller Stage Monitoring

Active Alarms Display

Alarm History Log

Alarm Help and Troubleshooting

Remote Support Functionality

Appendix II: PGD1 & PRO Display Navigation Tree

Main Status Screen Details

Displays operating status, temperatures, pressures, and component states.

Program Settings

Factory Configuration

Access to factory configurations and settings.

Technician Settings

Access to technician menus, service settings, and pump control.

Setpoint Configuration

Parameters for heating, cooling, electric heat, current limiting, and units.

Input;Output Configuration

Configuration for analog inputs, digital inputs, and relay outputs.

Alarm History Access

Access to alarm logs and compressor speed data.

Program Technician Settings

Technician Menu Access

Access technician menu for settings, commission, working hours, BMS config, service, manual management.

Compressor & EEV Control

Manual valve position, speed, capacity, and EEV settings.

Program Factory Settings

EVO Configuration Settings

Settings for valve regulation, PID parameters, and custom configurations.

Factory Settings Details

EVO Configuration Settings

EVO Configuration Parameters

Settings for valve opening, PID parameters, and custom configurations.

Power + n1 Configuration

Regulation Settings

Output frequency, skip frequencies, speed derating, and stop modes.

Power + n1 Regulation Details

Regulation Parameters

Control of output frequency, switching, speed, and envelope parameters.

I;O Configurations

Appendix III: Multistage Setup

Ensuring Firmware Compatibility

Networking Setup (1 of 3)

Networking Setup (2 of 3)

Networking Setup (3 of 3)

Appendix IV: Configuration & Setup

Enabling Electric Heat

HMI Setup: Uploading Program

Deleting Old Program

Activating Maintenance Mode

Enabling Maintenance Mode via Touchscreen

Appendix V: Alarm Table

Appendix VI: Default Parameters

Appendix VII: I;O Table & Wiring Diagram

VARC Standard Wiring Diagram

Dometic VARC 60 Specifications

General IconGeneral
BrandDometic
ModelVARC 60
CategoryChiller
LanguageEnglish

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