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CIAT Major Series User Manual

CIAT Major Series
128 pages
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04-2010
N 09.60C
Major Line
Installation
Fonctionnement
Mise en service
Maintenance
Installation
Operation
Commissioning
Maintenance
Montage-
Betriebs-und
Wartungs-
Anweisung
Instalación
Funcionamiento
Puesta en marcha
Mantenimiento
Impianto
Funzionamento
Messa in servizio
Manutenzione
Installatie
Werking
Indienst stelling
Onderhoud
Монтаж
Функционирование
Ввод в эксплуатацию
Техническое
обслуживание
Tesisat
İşleyiş
Devreye alma
Bakım
Telepítés
Mûködés
Üzembe helyezés
Karbantartás
Instalacja
Działanie
Uruchomienie
Konserwacja
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CIAT Major Series Specifications

General IconGeneral
BrandCIAT
ModelMajor Series
CategoryAir Conditioner
LanguageEnglish

Summary

DELIVERY, CHECKS AND STORAGE

CV, CH Model with Casing (fig. 1)

Details of CV, CH models with casing, referring to figure 1 for component identification.

NCV, NCH Model without Casing (fig. 2)

Details of NCV, NCH models without casing, referring to figure 2 for component identification.

HANDLING

REMOVING AND REFITTING THE CASING

Instructions for removing and refitting the unit's casing, with specific steps for different models.

INSTALLING THE UNIT

Guidance on installing the unit, covering horizontal and vertical models and mounting requirements.

FITTING ACCESSORIES

Fitting the NCV base (fig. 5)

Procedure for fitting the NCV base accessory, detailing screw types and attachment points as per figure 5.

Fitting the air recovery unit (fig. 6)

Steps for fitting the air recovery unit, including securing lugs and blanking panels, referencing figure 6.

HYDRAULIC CONNECTIONS

To install a control valve with a flat face (CIAT option in a kit) (fig. 7)

Guide to installing CIAT control valves, detailing 2-way and 3-track valve connections and piping as per figure 7.

2-way valve

Instructions for connecting 2-way valves, specifying pipe versions and seal usage for proper installation.

3-track valve + integrated bypass

Guidance for installing 3-track valves with bypass, detailing copper piping and different pipe versions.

Recommendations on hydraulic connections

Filtration

Guidance on implementing an efficient filtration system on supply and return water lines.

Flushing

Procedures for flushing the system, including specific steps for thermo and 3-point modulating valves.

Filling

Operating recommendation

ELECTRICAL CONNECTIONS

Ensure that the electrical supply is disconnected before working on the unit.

Crucial safety step: always disconnect the electrical supply before performing any work on the unit.

Only personnel qualified to perform electrical work may carry out installation and maintenance work.

Requirement for qualified personnel to perform all electrical installation and maintenance tasks.

Circuit diagrams for customer applications should be based on the diagrams supplied

Guidance on using supplied circuit diagrams for customer applications, referencing specific figures for system types.

To access the electrical terminal block

Rewiring the motor

Advice on the default wiring for the 3 on-site speeds

General safety instructions for units with electric heating elements

Fan-assisted operation: the electric heater (1 or 2 resistors) must always be assisted by a fan.

Safety rule: electric heaters must always be assisted by the fan; fan stoppage requires power cut-off to resistors.

Two temperature limit thermostats protect units with heating elements from accidental overheating

Explanation of temperature limit thermostats that protect heating elements from overheating, with causes of reset.

IMPORTANT NOTE: BRUSHLESS MOTOR

CONDENSATE DRAIN PAN

The MAJOR LINE is equipped with a sloping polymer pan

Description of the condensate drain pan's features, including slope, material, drain end piece, and plug.

If the hydraulic connection side is switched, do not forget to refit the plug to the side not used.

Critical reminder to refit the plug on the unused side of the drain pan if the hydraulic connection side is switched.

CONDENSATE DRAIN PUMP

Its technical specifications are as follows

Technical specifications for the condensate drain pump, including maximum flow rate and pipe length limits.

CARE AND MAINTENANCE

Disconnect the electrical and hydraulic supplies to the unit before carrying out any operations.

Essential safety procedure: always disconnect electrical and hydraulic supplies before performing maintenance.

AIR FILTER MAINTENANCE

Procedures for air filter maintenance for standard and front air recovery models.

FAN MOTOR ASSEMBLY MAINTENANCE

Procedures for fan motor assembly maintenance and removal.

CONDENSATE DRAIN PAN MAINTENANCE

Guidance and procedures for cleaning the condensate drain pan.

EXCHANGER COIL MAINTENANCE

A clean coil is crucial to the efficiency of the unit.

Importance of a clean heat exchanger coil for unit efficiency and instructions for cleaning with a vacuum cleaner.

If the coil must be disassembled on account of a leak

Procedure for disassembling the heat exchanger coil due to a leak, including disconnecting components and removing screws.

CASING MAINTENANCE

List of spare parts (fig.19)

TESTS AND WARRANTY

All our units are tested and approved before leaving the factory.

Information that all units are factory tested and approved, with warranty coverage against manufacturing defects.

CIAT's warranty on motors is limited to the terms of warranty extended by its supplier.

Details that CIAT's motor warranty is limited by the supplier's warranty terms.

Under no circumstances must the fitter carry out work on the motor.

Critical warning against fitters performing work on the motor, as it invalidates the warranty.

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