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CLIVET TALK - User Manual

CLIVET TALK
59 pages
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Data creazione 10/09/03 DS03I009GB--00 Pagina 1 di 59
CONTROLLER MANUAL
SPINCHILLER C.D.A

Table of Contents

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CLIVET TALK Specifications

General IconGeneral
CategoryController
BrandCLIVET
ModelTALK
Protection RatingIP20
Communication ProtocolModbus RTU
Power Supply24 V AC/DC ±15%
Relative Humidity5% to 95% (non-condensing)

Summary

Clivet Talk Local Interface Overview

Button Descriptions

Explains the function of each button on the control keypad.

Main Screen Display

Details the elements and information shown on the main control screen.

System Component Breakdown

Central Module Details

Overview, diagram, jumpers, and I/O for the Central Module.

Evaporator Module Details

Overview, diagram, jumpers, and I/O for the Evaporator Module.

Compressor Modules Details (Trio;Tandem)

Overview, diagrams, jumpers, and I/O for Trio/Tandem Compressor Modules.

Module Initialization and Configuration

Basic Configuration Rules

Outlines essential rules for configuring system modules correctly.

Setting Hardware Address

Explains how to set module serial addresses using DIP switches.

Setting Software Address

Details parameters for configuring system software addresses.

Hardware Address Configuration Table

Table mapping DIP switch settings to hardware addresses.

Interface Addressing Configuration

Local Interface Address Configuration

Details setting the local interface address, which requires a password.

Remote Interface Address Configuration

Explains how to set the address for the remote interface.

System Configuration Example

Parameter Menu Tree

Compressors Parameters

Lists and describes parameters for compressor modules.

Defrost Parameters

Details parameters governing the defrost cycle operation.

Fans Parameters

Lists and describes parameters for fan control.

Various Parameters

Covers miscellaneous system parameters.

Multi Compressor Parameters

Parameters specific to multi-compressor configurations.

Evaporators Parameters

Lists and describes parameters for evaporator modules.

Pumps Parameters

Details parameters for pump operation.

Probes Parameters

Lists parameters for configuring system probes.

Central Module Alarm List

Alarm Code Descriptions

Lists central module alarm codes and their corresponding actions.

Compressor Module Alarm List

Alarm Code Descriptions

Lists compressor module alarm codes and their associated actions.

Evaporator Module Alarm List

Alarm Code Descriptions

Lists evaporator module alarm codes and their associated actions.

Temperature Controller: Cooling Operation

Cooling Capacity Control

Explains how the controller manages capacity steps based on outlet temperature.

Temperature Difference Calculation

Details calculation of temperature differences for compressor capacity control.

Freecooling Modes

Internal Freecooling Description

Describes the internal freecooling setup near the condenser coil.

External Freecooling Description

Describes the external freecooling setup managed by an independent module.

Freecooling Enable Conditions

Specifies conditions for starting the freecooling phase.

Freecooling Disable Conditions

Specifies conditions for stopping the freecooling phase.

Freecooling Capacity Modulation

Modulation Methods

Explains modulation via fans and water flow.

Modulation Graph

Illustrates modulation based on evaporator outlet temperature.

ON-OFF Valve and Fans Control

Graphical representation of ON-OFF control for freecooling valve and fans.

Temperature Controller: Heating Operation

Heating Capacity Control

Explains capacity step management in heating based on outlet temperature.

Temperature Difference Calculation

Details calculation of temperature differences for compressor capacity control in heating.

Step Activation and Deactivation Process

Scan Times Explained

Describes how scan times affect step activation and deactivation.

Step Deactivation Process

Explains the procedure for deactivating capacity-control steps.

System Compensation Methods

Load Compensation

Modifies step activation based on exchanger temperature differences.

Duty-Cycle Compensation

Adjusts offset based on critical load conditions and compressor activity.

Running Time Compensation

Increases offset based on compressor running time and start frequency.

Set Point Correction in Cooling

Set Point Correction in Heating

Second Set Point from Digital Input

Parameter Setup

Details parameters for enabling and setting the second set point.

Hardware Connection

Describes digital input wiring for activating the second set point.

Demand Limit Functionality

Configuration Parameters

Lists parameters for Demand Limit function and reaction time.

Control Logic Explained

Explains how the Demand Limit signal determines compressor availability.

Demand Limit Operation Examples

Illustrates Demand Limit operation with varying compressor counts.

Maintenance Set Point

Maintenance Parameters

Lists parameters for enabling and configuring maintenance set points.

Maintenance Logic Flowchart

Visualizes the logic for unit operation with maintenance set points.

Resource Management Algorithm

Balancing Delivered Capacity

Describes logic for selecting compressors to balance capacity and wear.

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