CIAT LD 250 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 250 Specifications

General

Brand	CIAT
Model	LD 250
Category	Chiller
Language	English

Summary

Safety Recommendations

Choice of Unit Location

Guidelines for selecting the optimal and safe location for the unit.

Handling and Location

Installation Clearances

Hydraulic Connections

Glycol Antifreeze Protection

Electrical Connections

Power Supply and Wire Requirements

Specifies voltage, dephasing, wire selection criteria, and installation regulations.

Connection Procedures

Details on wiring power, protection, signalling, and automatic control connections.

Electronic Control and Display System

Main Functions

Details on water temperature control, operating modes, and parameter checks.

Regulation (Control)

Explanation of compressor operation based on water temperature feedback.

Control and Safety Devices

Pressure Safety Switches

Details on low and high pressure safety switches and their functions.

Temperature and Flow Safety Devices

Information on antifreeze probes, water flow switches, and outlet probes.

Compressor Protection

Description of internal compressor protection and phase control.

Location of Thermistors and Safety Devices

Start-up Procedures

Pre-Start-up Checks

List of critical checks to perform before initiating unit start-up.

Start-up Sequence

Procedure for starting the unit, including setting modes and temperatures.

Immediate Checks

Suction Pressure Troubleshooting

Condensation Pressure Troubleshooting

Electrical Characteristics

Setting Control and Safety Devices

Pressure Switch Adjustment

Procedure for setting pressure switches (R22, R407c) and condensation control.

Condensation Pressure Control

Maintenance Procedures

Coil Cleaning and Component Checks

Operational Checks and Maintenance Contract

Importance of regular checks and taking out a maintenance contract.

Connection Precautions

Fan Wiring

Troubleshooting Guide

Low Suction Pressure & High Discharge Pressure Issues

Motor Faults and Temperature Issues