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Stulz Mini-Space DX CCD221A User Manual

Stulz Mini-Space DX CCD221A
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 CCD221A Specifications

General IconGeneral
BrandStulz
ModelMini-Space DX CCD221A
CategoryAir Conditioner
LanguageEnglish

Summary

Safety

1.1 Marking

Explains safety symbols and their meanings.

1.2 Safety Instructions

General safety guidelines for operation, maintenance, and handling.

1.3 Handling Refrigerants

Guidelines for safe handling and disposal of refrigerants.

1.4 Safety and Environmental Requirements

Outlines European Community requirements for refrigerating plants.

Residual Risks

Transport and Installation Risks

Details residual risks during transport and installation phases.

Start-up Risks

Details residual risks during the unit's start-up process.

Operation Risks

Details residual risks during the unit's operation.

Maintenance Risks

Details residual risks during maintenance activities.

Dismantling Risks

Details residual risks during dismantling and disposal.

Transport / Storage

3.1 Delivery of Units

Information regarding the delivery and packaging of A/C units.

3.2 Transport Guidelines

Guidelines for safely transporting the A/C units.

3.3 Storage Recommendations

Recommendations for storing the A/C units to prevent damage.

Unit Description

4.1 Type Code Explained

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

4.2 Intended Use

Specifies the intended application and environment for the A/C unit.

4.3 Unit Functionality

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

Technical Data

5.1 Application Limits

Defines the operating and environmental limits for the unit.

Design Conditions for Technical Data

Specifies design conditions for technical data, including electrical and fluid parameters.

Pressure Switch Adjustments

Details the settings for pressure switches (LP, HP, Safety valve).

5.2 Technical Data

Provides detailed technical specifications for various unit types.

5.3 Dimensional Drawings

Illustrates the physical dimensions of the A/C unit's cabinet sizes.

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 Connection of the Piping

Instructions for connecting the unit's piping systems.

6.3.1.2 Position of Refrigerant Connections

Details location and dimensions of refrigerant connections for downflow units.

6.3.1.3 Filling the Refrigerant Circuit

Step-by-step guide for filling the refrigerant circuit.

6.3.2 Water Piping

Instructions for connecting the external water circuit and handling water quality.

6.3.3 Condensate Drain Connection

Explains syphon installation and drain connection requirements.

6.4 Electrical Connection

Safety and connection instructions for electrical supply.

Commissioning

Initial Commissioning Steps

Steps for initial unit setup and checks before operation.

Operation Adjustments

Details controller adjustments and checks during initial operation.

Maintenance

8.1 Safety Instructions

Safety precautions for performing maintenance work.

8.2 Maintenance Intervals

Schedule for routine maintenance tasks for various components.

8.3 Refrigerant Circuit Maintenance

Procedures for checking refrigerant quantity, purity, and handling leaks.

8.4 Air Circuit Maintenance

Maintenance considerations for heat exchanger, fan, and air filter.

8.5 Water Circuit Maintenance

Checks for water circuit tightness and condenser condition.

8.6 Unit in General Checks

General checks for electrical connections and mechanical integrity.

8.7 Competences Required

Specifies required qualifications for repair work.

Malfunction

Alarm Messages and Causes

Lists common alarm messages and their potential causes.

Dismantling and Disposal

Procedures and Safety Guidelines

Procedures and safety guidelines for dismantling and disposing of the unit.

CE Declaration of Conformity

Compliance Directives and Standards

Lists EC directives and harmonised EN standards the unit complies with.

Steam Humidifier

12.1.1 Description

Explains the function and components of the steam humidifier.

12.1.1.1 Technical Data

Provides technical specifications for the steam humidifier.

12.1.1.2 Wiring Diagram

Illustrates the electrical connections for the steam humidifier control unit.

12.1.1.3 Control Unit Configuration

Details how to configure the control unit for the steam humidifier.

12.1.2 Supply Connections

Instructions for water supply and drain connections for the humidifier.

12.1.3 Operation and Controls

Explains the controls and indicators on the steam humidifier's control unit.

12.1.3.2 Commissioning

Step-by-step guide for putting the steam humidifier into operation.

12.1.4 Fault Indication

Describes how the control unit indicates malfunctions via LEDs.

12.1.4.4 Malfunction Lists

Comprehensive list of malfunctions, causes, and remedies for the humidifier.

12.1.4.5 Fuse Replacement

Instructions for replacing a fuse on the humidifier control unit.

12.1.4.6 Resetting Fault Indication

Procedure to reset error indicators after fault resolution.

12.1.5 Maintenance Overview

Refers to a service manual for detailed maintenance procedures.

Reheat Options

Description of Reheat Types

Introduces optional reheat functions (Electrical, HW, HG).

Reheat Installation and Malfunctions

Details installation requirements and potential malfunction causes for reheat.

Air Circuit Options

EU5 Filter (Size 2)

Describes the EU5 filter as an upgrade for air filtration.

Condensate Pump Function

Explains the function and connection of the condensate pump.

Air Discharge to the Front (Downflow)

Details the air discharge design for downflow units.

Air Discharge Plenum (Upflow)

Describes the air discharge plenum for upflow units.

Unit Base for Air Discharge

Details the unit base design for downflow and upflow air discharge.

Base for Duct Connection and Air Damper (Upflow)

Explains the base for duct connection and air damper installation.

Air Damper (Upflow)

Details the air damper for upflow units and its installation.

Adaptor Plate for Damper (Downflow)

Describes the adaptor plate for mounting an air damper below downflow units.

Air Damper (Downflow)

Details the air damper for downflow units and its installation.

Filter Top with Flexible Duct

Installation of filter top with flexible duct for downflow units.

Ecocool Function (Downflow)

Description and Operation

Explains the Ecocool function for free cooling and its controls.

Louver Actuators

Details the louver actuators used in the Ecocool system.

Dimensions - Size 1 Downflow with Ecocool

Provides dimensions for Size 1 downflow units with Ecocool louvers.

Dimensions - Size 2 Downflow with Ecocool

Provides dimensions for Size 2 downflow units with Ecocool louvers.

Raised Floor Stand

Description and Dimensions

Describes the raised floor stand for unit installation and its dimensions.

Mounting Instructions

Guidelines for installing raised floor stands with minimum distances.

Positioning on Floor Stand

Instructions for correctly positioning the unit on the floor stand.

Electrical Options

Three Phase Control

Details the phase monitoring relay and its settings for safety.

Automatic Restart Configuration

Configuration for automatic unit restart after power issues.

Second Power Supply (Size 2)

Describes the option of a second power supply for redundancy.

Supply Line Cross-Sections

Specifies cable cross-sections and requirements for power supply lines.

Refrigerant Circuit Options

Hot Gas Bypass Extension

Explains the hot gas bypass option for enhancing the refrigerant circuit.

Suction Valve Extension

Explains the suction throttle option for enhancing the refrigerant circuit.

Adjustable HP/LP Switches

Details the adjustable high and low-pressure switches for system protection.

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