CIAT LD 750 User Manual

LD 100 - 1000
Installation
Fonctionnement
Mise en service
Maintenance
Installation
Operation
Commissioning
Maintenance
Notice d’utilisation
User’s brochure
Gebrauchsanweisung
Manual del usuario
09 - 2003
N 99.15 C
Groupe Monobloc extérieur de
production d’eau glacée
à condensation par air, version
froid seul ou réversible
Air cooled packaged water
chiller or heat pump,
outpoor installation
Montage-
Betriebs-und
Wartungs-
Anweisung
Luftgekühlter Kaltwassersatz für
Aussenaufstellung, Kühlbetrieb oder umkehrbar
AQUACIAT
Grupo Monobloque exterior de producción de agua fría
de condensación por aire, versión sólo frío o reversible
Instalación
Funcionamiento
Puesta en marcha
Mantenimiento

CIAT LD 750 Specifications

General

Brand	CIAT
Model	LD 750
Category	Chiller
Language	English

Summary

Safety Recommendations

Unit Location Selection

Glycol Antifreeze Protection

Electrical Connection Procedures

Electronic Control System Overview

Main Functions of the Control System

Operational Control Modes

Details on available water temperature control modes.

Control and Safety Device Management

Low Pressure Switch Operation

Description of the low-pressure safety switch function and reset.

High Pressure Switch Operation

Description of the high-pressure safety switch function and reset.

Evaporator Antifreeze Probe

Water Flow Switch Device

Internal Compressor Protection

Outlet Temperature Probe

Unit Start-Up Procedures

Pre-Start-Up Checks

Essential checks to perform before initiating unit start-up.

Start-Up Sequence Steps

Step-by-step guide for starting the unit correctly.

Immediate Operation Checks

Troubleshooting Insufficient Suction Pressure

Common causes and checks for low suction pressure issues.

Troubleshooting High Condensation Pressure

Common causes and checks for high condensation pressure issues.

Technical Specifications

Compressor Specifications

Technical data and ratings for the unit's compressors.

Evaporator Specifications

Air Cooled Condenser Details

Electrical Specifications

Single Pump Configurations

Double Pump Configurations

Setting Control and Safety Devices

Pressure Switch Adjustment (R22/R407c)

Guidelines for adjusting pressure switches for refrigerant circuits.

Condensation Pressure Control (Year-Round)

Remote Function Customer Connections

General Failure Alarm Connection

Set Point Selection Control

Heating/Cooling Mode Selection

Connection Precautions for Wiring

Troubleshooting Guide and Remedies