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Parker Sporlan Subcool Control - User Manual

Parker Sporlan Subcool Control
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Bulletin 100-50-5.2 – Page 1
Subcool Control
Installation and Operation Instructions
July 2020 / Bulletin 100-50-5.2
Controller v. G.1
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Parker Sporlan Subcool Control Specifications

General IconGeneral
TypeSubcool Control
ManufacturerParker Sporlan
MountingPanel Mount
Power Supply24 VAC
FunctionControls subcooling in refrigeration systems

Summary

Introduction

1. Installation

TOOLS REQUIRED

Lists necessary tools for installing the controller and its components.

2. Setup

Setup Menu

Details the process of entering and configuring basic system variables for the controller.

3. Setpoint Menu Operation

4. System Operation

Manual Valve Position Feature

5. Controller Networking

MODBUS Communication Requirements

Outlines the specifications and wiring for Modbus communication.

Scaling for Celsius Bar

Explains how Celsius and Bar values are scaled for Modbus data transfer.

Setup

Details how to configure controllers for network communication via RS-485.

6. PID Tuning

Noise Reduction

Grounding

7. Troubleshooting Recommendations

Sensors

Discusses common sensor issues, alarms, and how to test them.

Pressure Transducers

Details how to test pressure transducers and their connections for accuracy.

APPENDIX A - Setup Menu

SEEP - Valve Type

Defines the selectable valve types for the EEV based on steps.

EFr - Refrigerant Type

Lists and explains the selection of refrigerants supported by the controller.

P - Pressure Sensor Type

Specifies the types of pressure sensors (Absolute/Gauge) that can be connected.

Prn9 - Pressure Sensor Range

Details the selectable pressure ranges for the connected pressure transducer.

APPENDIX B - Process Values

APPENDIX C - Controller Status

APPENDIX D - Miscellaneous Displays

APPENDIX E - Setpoint Parameters

Core Setpoints (LoSP, 9 hL, SboF, SHSP)

Key setpoints for liquid outlet temperature, return gas limit, subcooler differential, and superheat.

Refrigerant Type (EFr)

Specifies the refrigerant to calculate saturation temperature based on suction pressure.

Key PID Coefficients (-LP-, -LI-, -SP-, -5 I-)

Major PID gains for liquid and superheat control affecting system response.

Networking Parameters (Addr, bAud, PAr)

Configuration for Modbus network address, baud rate, and parity.

Sensor Configuration (EE, Prn9)

Settings for connected temperature and pressure sensor types and ranges.

Calibration Offsets (CALP, CLE I, CLE2, CLE3, CLEY)

Adjustments for pressure and temperature sensor readings for accuracy.

APPENDIX F - Parameter Definitions

Core Setpoints (LoSP, 9 hL, SboF, SHSP)

Definitions for liquid outlet, return gas, subcooler differential, and superheat setpoints.

Refrigerant Type (EFr)

Definition of selected refrigerant for saturation temperature calculation.

PID Gain Coefficients (-LP-, -LI-, -SP-, -5 I-)

Definitions for major PID gain coefficients for liquid and superheat control.

Networking Parameters (Addr, bAud, PAr)

Definitions for Modbus network address, baud rate, and parity.

Sensor Configuration (EE, Prn9)

Definitions for temperature and pressure sensor types and ranges.

APPENDIX G - Alarms and Failsafes

APPENDIX H - Technical Specifications

APPENDIX I - Wiring Diagram

APPENDIX J - Sensor Installation

Mount the Pressure Transducer

Instructions for properly mounting the pressure transducer onto the system.

Mount the Temperature Sensors - Suction and Liquid

Guidance on correctly positioning and attaching temperature sensors for suction and liquid lines.

APPENDIX K - MODBUS Memory Map

APPENDIX L - 2 K Temperature Sensor Chart

APPENDIX M - 3 K Temperature Sensor Specifications

APPENDIX N - 10 K Temperature Sensor Specifications

APPENDIX O - Accessories

APPENDIX P - System Flow Chart

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