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Stulz Mini-Space DX CCU51A User Manual

Stulz Mini-Space DX CCU51A
74 pages
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IT Cooling Solutions
Index G20
Issue 1.2017
Mini-Space DX
Precision Air Conditioning Units
380-415/3/50
Original instructions
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Stulz Mini-Space DX CCU51A Specifications

General IconGeneral
BrandStulz
ModelMini-Space DX CCU51A
CategoryAir Conditioner
LanguageEnglish

Summary

1. Safety

1.1 Marking

Visual indicators and hazard symbols used on the unit.

1.2 Safety Instructions

General guidelines for safe installation, operation, and maintenance.

1.3 Handling Refrigerants

Guidelines for the safe handling and disposal of refrigerants.

1.4 Safety and Environmental Requirements

Regulatory requirements for refrigerating plants and safe operation.

2. Residual Risks

Transport and Installation Risks

Identifies risks during transport and installation phases.

Start-up Risks

Identifies risks during the initial operation of the unit.

Operation Risks

Identifies risks associated with the unit's normal operation.

Maintenance and Dismantling Risks

Identifies risks during maintenance and dismantling procedures.

3. Transport and Storage

3.1 Delivery of Units

Information on unit packaging, delivery contents, and checking upon receipt.

3.2 Transport Guidelines

Guidelines for safely moving the unit during transport.

3.3 Storage Precautions

Measures to protect the unit from damage and corrosion during storage.

4. Description

4.1 Type Code Explanation

Explanation of the unit's type code and rating plate information.

4.2 Intended Use

Defines the purpose and acceptable usage of the A/C unit.

4.3 Function of the A/C Unit

Describes the operational principles and components of the A/C unit.

5. Technical Data

5.1 Application Limits

Specifies the environmental and operational limits for the A/C unit.

5.2 Technical Data Tables

Presents detailed technical specifications for various unit models.

5.3 Dimensional Drawings

Provides detailed physical dimensions of the unit sizes.

6. Installation

6.1 Positioning

Guidelines for selecting and preparing the installation site.

6.2 Opening the A/C Unit

Instructions on how to access the unit's internal components.

6.3.1 Refrigerant Piping Design

Design considerations for refrigerant piping connections.

6.3.1.2 Refrigerant Connections

Diagrams and dimensions for refrigerant line connections.

6.3.1.3 Filling Refrigerant Circuit

Step-by-step procedure for charging the refrigerant circuit.

6.3.2 Water Piping

Instructions for connecting the external water circuit and recommendations.

6.3.3 Condensate Drain Connection

Details on installing the condensate drain syphon and connection.

6.4 Electrical Connection

Procedures for safely connecting the unit's electrical power supply.

7. Commissioning

8. Maintenance

8.1 Safety Instructions

Essential safety precautions for performing maintenance.

8.2 Maintenance Intervals

Recommended schedule for routine maintenance tasks.

8.3 Refrigerant Circuit Maintenance

Maintenance procedures for refrigerant charge, quantity, and purity.

8.4 Air Circuit Maintenance

Maintenance guidance for heat exchanger, fan, and air filter components.

8.5 Water Circuit and General Unit Checks

Checks for water circuit tightness and general unit electrical/mechanical parts.

8.7 Competences for Maintenance

Specifies required qualifications for different maintenance tasks.

9. Malfunction

Alarm Message Causes and Elimination

Lists alarm messages, their causes, and recommended eliminations.

10. Dismantling and Disposal

11. CE Declaration of Conformity

12.1 Steam Humidifier

12.1.1 Description and Technical Data

Overview of the steam humidifier's function, design, and technical specifications.

12.1.1.2 Wiring Diagram

Schematic showing the electrical connections for the humidifier control unit.

12.1.1.3 Configuration

Settings for capacity limitation and general unit parameters.

12.1.2 Supply Connections

Details for water supply and drain connections for the humidifier.

12.1.3 Operation and Commissioning

Functionality of the display, operating elements, and commissioning steps.

12.1.4 Fault Elimination

Troubleshooting guide for common malfunctions and error indications.

12.1.5 Maintenance

Information on maintenance procedures and service intervals.

12.2 Reheat Options

Description, Operation, and Maintenance

Overview of reheat types, operation, and maintenance procedures.

Installation, Commissioning, and Malfunctions

Installation, commissioning, and common malfunction causes for reheat units.

12.3 Air Circuit Options

EU5 Filter and Condensate Pump

Details on the optional EU5 filter and the condensate pump.

Air Discharge to the Front - Downflow

Air Discharge Plenum - Upflow

Unit Base for Air Discharge

Base for Duct Connection and Air Damper - Upflow

Air Damper - Upflow

Adaptor Plate for Damper - Downflow

Air Damper - Downflow

Filter Top with Flexible Duct

Ecocool Functionality

Airflow and Actuator Operation

Description of airflow during free cooling and actuator function.

Dimensions: Size 1 Downflow with Ecocool Louvers

Dimensions: Size 2 Downflow with Ecocool Louvers

12.4 Raised Floor Stand

Installation and Mounting Instructions

Guidelines for installing and mounting the raised floor stand.

12.5 Electrical Options

Three Phase Control and Automatic Restart

Phase monitoring relay and automatic restart functionality.

Second Power Supply Options

Details on second power supply options for unit reliability.

Supply Line Cross-Sections

Table showing maximum cross-sections for supply lines.

12.6 Refrigerant Circuit Options

Hot Gas Bypass and Suction Valve Extensions

Description of refrigerant circuit enhancements for compressor life.

Adjustable HP/LP Switch

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