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Rittal SK 3305.500 User Manual

Rittal SK 3305.500
52 pages
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Montage-, Installations- und Bedienungsanleitung
Assembly and operating instructions
Manuel d’installation et de maintenance
Montage- en bedieningshandleiding
Montage- och hanteringsanvisning
Istruzioni di montaggio e funzionamento
Instrucciones de montaje
R
Schaltschrank-
Kühlgerät
Cooling unit
Climatiseur
Koelaggregaat
Kylaggregat
Condizionatori per
armadi di comando
Refrigerador
para armarios
SK 3302.xxx
SK 3302.3xx
SK 3303.xxx
SK 3304.xxx
SK 3305.xxx
SK 3328.xxx
SK 3329.xxx
SK 3332.xxx
SK 3361.xxx
SK 3366.xxx
SK 3377.xxx

Table of Contents

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Rittal SK 3305.500 Specifications

General IconGeneral
BrandRittal
ModelSK 3305.500
CategoryAir Conditioner
LanguageEnglish

Summary

Notes on Documentation and Safety

Associated Documents

Details the two sets of assembly and installation instructions provided for the cooling unit.

CE Labelling

Mentions that the declaration of conformity is supplied as a separate document.

Retention of Documents

Emphasizes that instructions are integral to the product and must be given to the plant operator.

Symbols Used

Explains symbols for instructed actions, danger, caution, and notes.

General Safety Instructions

Provides essential safety guidelines for assembly, installation, servicing, and operation of the unit.

Device Description

Functional Description

Explains the purpose of enclosure cooling units in dissipating heat and protecting components.

How the Cooling Unit Works

Details the refrigeration cycle, including evaporator, compressor, condenser, and expansion valve.

Control Systems

Describes the Basic and Comfort controllers used for setting cooling unit functions.

Bus Mode (Comfort Controller Only)

Explains master-slave connection for up to ten cooling units via serial interface X2.

Safety Equipment

Covers pressure switches, temperature monitoring, thermal winding shields, and system message contacts.

Condensation Management

Explains condensation formation and automatic evaporation processes.

Filter Mats and Monitoring

Details the use, cleaning, and monitoring of filter mats for cooling unit condensers.

Door Limit Switch Function

Describes the operation and benefits of a door limit switch for preventing condensation.

Additional Interface X3

Information on connecting an interface card for higher-level monitoring systems.

Proper Usage Guidelines

Defines the intended use of cooling units and manufacturer liability for improper use.

Scope of Supply

Lists the items included in the delivery package for the cooling unit.

Assembly and Connection Procedures

Choosing the Installation Site

Provides guidelines for selecting a suitable location for enclosure cooling unit installation.

General Assembly Instructions

Covers checks for packaging damage, enclosure airtightness, and condensation prevention.

Electronic Component Layout

Advises on arranging components to ensure proper airflow and prevent condensation.

Fitting the Cooling Unit

Details options for external, partial internal, and full internal mounting of the cooling unit.

Cutting Out the Enclosure

Step-by-step guide for preparing the enclosure panel for cooling unit mounting.

External Mounting

Instructions for attaching the cooling unit to the outside of an enclosure panel.

Partial Internal Mounting

Procedure for mounting the cooling unit partially inside the enclosure.

Full Internal Mounting

Detailed steps for installing the cooling unit fully inside the enclosure.

Connecting the Condensate Discharge

Explains how to connect the condensate hose and ensure proper routing.

Notes on Electrical Installation

General safety and regulatory requirements for electrical installation.

Connection Data Requirements

Specifies voltage, frequency, and connection requirements for the cooling unit.

Overvoltage Protection and Supply Load

Addresses measures for overvoltage protection and ensuring adequate supply line capacity.

Three-Phase Device Connections

Details electrical connection requirements specific to three-phase cooling units.

Door Limit Switch Connection

Notes and requirements for connecting the door limit switch to the unit.

Flicker Standard Compliance

Information regarding adherence to flicker limits and potential mitigation measures.

Potential Equalisation

Recommendations for connecting a conductor for potential equalisation.

Carrying Out Electrical Installation

General guidance for performing the electrical installation work.

Bus Connection for Multiple Units

Instructions for connecting multiple cooling units using the serial interface X2.

Connection X3 for Serial Interface

Explains the use of interface card X3 for system evaluation and monitoring.

Installing the Power Supply

Guidance for installing the power supply and connecting system message relays.

Electrical Wiring Plans

Wiring diagrams for various RITTAL cooling unit models.

Wiring Plan Legend

Explanation of symbols and component labels used in the electrical wiring plans.

Contact Data Specifications

Provides AC and DC contact data for various electrical components.

Commissioning the Cooling Unit

Final Assembly Steps

Steps to install filter media, fit the cooling unit, and set the filter mat monitor.

Initial Operation and Safety

Safety warning before start-up and procedures for initial power-on and operation.

Operation and Control

Control Using the Basic Controller

Instructions for operating the cooling unit via the Basic controller interface.

Basic Controller Properties

Lists voltage support, features, and operating modes of the Basic controller.

Basic Controller Display and Errors

Explains the LED indicators and error codes for the Basic controller's status display.

System Message Relay Function

Details how system messages are polled via floating contacts on the cooling unit.

Test Mode for Basic Controller

Procedure to activate a test mode for the Basic controller to initiate cooling.

Setting the Temperature (Basic)

Instructions on how to adjust the temperature setting using the Basic controller.

Resetting the Basic Controller

Procedure for manually resetting the Basic controller after an alarm condition.

Control Using the Comfort Controller

Instructions for operating the cooling unit via the Comfort controller interface.

Comfort Controller Properties

Lists voltage support, features, and master-slave capabilities of the Comfort controller.

Test Mode for Comfort Controller

Procedure to activate a test mode for the Comfort controller to initiate cooling.

General Programming Information

Overview of programming parameters, ranges, and tables for the Comfort controller.

Editable Parameters Guide

Details configurable parameters, their ranges, factory settings, and descriptions.

Programming Overview Diagram

Visual guide illustrating the sequence for programming parameters on the Comfort controller.

Defining System Messages

Explains how system messages are displayed and evaluated via relays.

Setting Master-Slave Identifier

Instructions for configuring identifiers (addresses) for master and slave cooling units.

Evaluating System Messages

Guidance on interpreting system messages displayed by the Comfort controller.

Troubleshooting with Comfort Controller

Table detailing system messages, causes, and recommended fault rectification measures.

Inspection and Maintenance

Resetting the Comfort Controller

Procedure to reset the Comfort controller after specific faults (A03, A06, A07).

General Maintenance Overview

General information on the cooling circuit's maintenance-free design and periodic cleaning needs.

Compressed Air Cleaning (Specific Models)

Instructions for cleaning cooling unit components using compressed air for specific models.

Display Connector Disconnection

Steps to disconnect the display connector during maintenance procedures.

Fan and Cover Disconnection/Removal

Steps to disconnect fans, remove the cover, and remove the external fan.

Cover and Earthing Cable Disconnection

Steps to remove the unit cover and disconnect earthing cables from chassis.

Heat Exchanger Coil Cleaning (1)

Initial steps for cleaning the heat exchanger coil and compressor chamber using compressed air.

Heat Exchanger Coil Cleaning (2)

Further steps for cleaning the heat exchanger coil and compressor chamber using compressed air.

Compressed Air Cleaning (Models SK 3328-3332)

Specific compressed air cleaning instructions for models SK 3328.xxx, SK 3329.xxx, SK 3332.xxx.

Grille and Infill Panel Removal

Instructions for removing louvred grilles and the infill panel from the unit.

Display Cable Reconnection

Steps for pushing the display cable back through the cable gland during reassembly.

External Fan Screw Loosening

Procedure to loosen the screws securing the external circuit fan.

Fan Earthing Cable Disconnection

Steps to disconnect the earthing cables connected to the fan unit.

Cover and Main Earthing Cable Disconnection

Steps to remove the unit cover and disconnect the main earthing cable.

Earthing Cable Disconnection (Final)

Final steps for disconnecting the remaining earthing cables.

Heat Exchanger Coil Cleaning (2 & 3)

Final steps for cleaning the heat exchanger coil and compressor chamber.

Storage and Disposal

Storage Safety Warning

Cautionary note regarding storage temperatures and upright positioning of the cooling unit.

Storage and Disposal Guidelines

General instructions for proper storage and environmentally sound disposal of the cooling unit.

Technical Specifications

Rating Plate Information

Details found on the unit's rating plate, including technical specifications and approvals.

Mains Connection Data

Instructions to observe mains connection data, voltage, frequency, and pre-fuse specifications.

Technical Specifications Summary Table

Comprehensive table listing technical data for various RITTAL cooling unit models.

List of Spare Parts

Spare Parts for SK 3302.xxx

Exploded view and identification of spare parts for SK 3302.xxx models.

Spare Parts for SK 3302.3xx

Exploded view and identification of spare parts for SK 3302.3xx models.

Spare Parts for SK 3303.xxx, SK 3361.xxx

Exploded view and identification of spare parts for SK 3303.xxx and SK 3361.xxx models.

Spare Parts for SK 3304.xxx, SK 3305.xxx

Exploded view and identification of spare parts for SK 3304.xxx and SK 3305.xxx models.

Spare Parts for SK 3328.xxx, SK 3329.xxx

Exploded view and identification of spare parts for SK 3328.xxx and SK 3329.xxx models.

Spare Parts for SK 3332.xxx

Exploded view and identification of spare parts for SK 3332.xxx models.

Spare Parts for SK 3366.xxx, SK 3377.xxx

Exploded view and identification of spare parts for SK 3366.xxx and SK 3377.xxx models.

Spare Parts Ordering Information

Information required when ordering spare parts, including unit model and fabrication number.

Appendix: Cut-out and Hole Sizes

Dimensions for External Mounting

Diagrams showing cut-out and mounting dimensions for external installation of cooling units.

Dimensions for Partial Internal Mounting

Diagrams showing cut-out and mounting dimensions for partial internal installation.

Dimensions for Full Internal Mounting

Diagrams showing cut-out and mounting dimensions for full internal installation.

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