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Stulz Mini-Space DX CCU221A User Manual

Stulz Mini-Space DX CCU221A
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 CCU221A Specifications

General IconGeneral
BrandStulz
ModelMini-Space DX CCU221A
CategoryAir Conditioner
LanguageEnglish

Summary

1. Safety

1.2 Safety instructions

Provides essential safety guidelines for installation, operation, and maintenance personnel.

1.4 Safety and environmental requirements

Details European Community requirements for refrigerating plants, including installation, operation, and inspection duties.

2. Residual risks

3. Transport / Storage

4. Description

4.2 Intended use

Specifies that the A/C unit is designed for indoor temperature and humidity control.

5. Technical data

5.1 Application limits

Defines the admissible environmental conditions and operational parameters for the A/C unit.

5.2 Technical Data

Lists detailed technical specifications for different unit types, including cooling capacity, airflow, and weight.

6. Installation

6.1 Positioning

Details requirements for selecting an installation site, considering weight, clearances, and vibration absorption.

6.3 Connection of the piping

Covers the initial steps and design considerations for connecting refrigerant piping.

6.3.1 Refrigerant piping (A units)

Specifies guidelines for designing and connecting refrigerant piping for air-cooled units.

6.3.1.3 Filling the refrigerant circuit

Provides step-by-step instructions for safely filling the refrigerant circuit, including important safety notes.

6.3.2 Water piping

Explains the connection and requirements for the external water circuit, including anti-freezing agents.

6.4 Electrical connection

Covers essential safety precautions and procedures for making the electrical connections to the unit.

7. Commissioning

8. Maintenance

8.1 Safety instructions

Emphasizes strict adherence to safety regulations during all maintenance activities to prevent endangerment.

8.2 Maintenance intervals

Specifies the recommended intervals for checking and maintaining various components of the A/C unit.

8.3 Refrigerant circuit

Details procedures for checking refrigerant quantity, purity, and potential issues like leaks or overfilling.

8.4 Air circuit

Covers maintenance aspects of the heat exchanger, fan, and air filter for optimal performance.

9. Malfunction

10. Dismantling and disposal

12.1 Steam humidifier

12.1.1.1 Technical data

Presents technical specifications for the steam humidifier, including capacity, power, current, and operating conditions.

12.1.3.2 Commissioning

Provides step-by-step instructions for putting the steam humidifier into operation and performing initial tests.

12.1.4 Fault elimination

Offers guidance on diagnosing and resolving operational malfunctions of the steam humidifier.

12.1.4.1 Fault indication

Explains how LED indicators on the control unit signal different types of malfunctions or warnings.

12.1.4.4 Malfunction lists

A comprehensive list of malfunctions, their causes, and recommended remedies based on LED indications.

12.1.5 Maintenance

Refers to a detailed service manual for comprehensive maintenance procedures and provides a diagram for steam cylinder lifespan.

12.2 Reheat

Ecocool (only for downflow version)

12.5 Electrical Options

Three Phase Control

Describes the function of the phase monitoring relay for detecting voltage issues and phase sequence.

12.6 Refrigerant Circuit Options

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