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Stulz Cosmotec CVE Series User Manual

Stulz Cosmotec CVE Series
88 pages
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MANUALE D’USO E MANUTENZIONE
USE AND MAINTENANCE MANUAL
BEDIENUNGS UND WARTUNGSHANDBUCH
MANUEL D’UTILISATION ET D’ENTRETIEN
MANUAL DE USO Y MANTENIMIENTO
CVE - CVO
Condizionatore
per armadi elettrici
Air conditioner
for electric enclosure
Klimagerät für
Elektroschaltschränke
Climatiseur pour
armoires électriques
Refrigerador
para armarios
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Stulz Cosmotec CVE Series Specifications

General IconGeneral
BrandStulz
ModelCosmotec CVE Series
CategoryAir Conditioner
LanguageEnglish

Summary

General Information and Safety

Symbols Used in Manual

Explains symbols used in the manual for warnings and information.

Change of Ownership

Instructions for notifying STULZ SpA about new ownership.

Safety Warnings and Unit Usage

Critical safety precautions and intended use of the air conditioners.

Handling, Environment, and Initial Checks

Handling and Environmental Precautions

Guidelines for safe handling and environmental protection during use.

Unpacking and Initial Checks

Procedures for unpacking the unit and performing initial checks.

Unit Identification

How to identify the unit using its identification plate.

Components and Operating Principles

Unit Structure and Components

Details the physical structure and main functional components of the unit.

Refrigeration System Components

Describes key refrigeration parts like compressor, condenser, evaporator, and valves.

Control and Safety Devices

Electrical and Mechanical Control Components

Lists and describes various control and safety devices like boards, thermostats, and contactors.

Control and Working Logic

Thermostat Operation Modes

Explains mechanical and electronic thermostat settings and operation.

Display and Keypad Functions

Details the unit's display interface, keypad functions, and LED indicators.

Unit Status and Operational Logic

LED Indicators and Keypad Operations

Explains the meaning of LED indicators and keypad combinations for operation.

Unit State and Working Logic Overview

Describes unit states (ON/OFF, STAND-BY) and the basic working logic for cooling and heating.

Fan and SEM/SEM2 Operation

Details the logic for evaporator fan control and Smart Energy Management modes.

Advanced Operational Logic and Alarms

Condenser Fan and Sequencing Logic

Explains condenser fan control, sequencing function for multiple units, and Modbus communication.

User Menu and Parameter Changes

Describes accessing the user menu, changing parameters, and setting up SEM functions.

Alarm Conditions and Notifications

Lists various alarm conditions and how they are indicated on the display and outputs.

Alarm Details and Unit Check Procedures

Specific Alarm Scenarios and Signals

Details specific alarms like probe faults, high intake temperature, and signal types.

Unit Check Mode Procedure

Outlines the steps to enter and perform a unit check procedure.

General Installation Guidelines

Provides general guidelines and considerations for unit installation.

Installation Procedures and Precautions

General Installation and Placement

Provides general installation advice, placement considerations, and warnings.

External and Semi-Flush Installation

Details the specific steps for external and semi-flush mounting of the unit.

Condensate Discharge and Electrical Connection

Covers condensate drainage and the requirements for electrical connections.

Electrical Connections and Filter Installation

Power Supply and Electrical Safety

Emphasizes safety checks for voltage, phase, and grounding before electrical connections.

Filter Installation and Maintenance

Instructions for installing and cleaning the air filter for CVE and CVO units.

Connectivity and Start-Up Procedures

Display and Sequencing Connections

Details how to connect the display unit and set up sequencing between two units.

Modbus and Remote Probe Installation

Instructions for connecting Modbus communication and a remote probe.

Start-Up and Initial Checks

Covers pre-start-up checks, safety warnings, and initial operational steps after start-up.

Post Start-Up Checks and Maintenance

Start-up Verification and Shutdown

Outlines checks after initial start-up and the procedure for shutting down the unit.

Preventive Maintenance Schedule

Details the recommended schedule for routine maintenance tasks.

Heat Exchanger Cleaning and Downtime

Covers cleaning procedures for the heat exchanger and considerations for downtime.

Residual Risks and General Safety

Information on potential risks, emergency situations, and general safety standards.

Safety Standards and Hazard Identification

Electrical Safety Standards

Comprehensive safety standards related to electrical equipment and maintenance.

Product Contact Hazards

Hazards from fan movement and contact with unit components like heat exchanger fins.

Fire and Toxic Substance Hazards

Information on fire hazards and the properties of the refrigerant used.

Equipment Demolition and Troubleshooting

Hazards of Impact, Crushing, Falling

Identifies risks associated with unit movement, anchoring, and support.

Equipment Demolition and Disposal

Instructions for safe demolition and disposal of the unit and its components.

Troubleshooting: Condensate and Cooling Issues

Addresses issues related to excessive condensate formation and inadequate cooling.

Troubleshooting and Options/Accessories

Troubleshooting: Fan and Component Failures

Covers common issues like dirty condensers, fan failures, and compressor problems.

Unit Options and Enhancements

Lists available options like special colors, stainless steel casings, and protective treatments.

Accessories for Enhanced Functionality

Describes accessories such as filters, air baffles, mounting frames, and keypads.

Sealing Gasket Application

Gasket Installation Notes

Provides specific notes and points for applying the sealing gasket correctly.

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