CLIVET MR-DX 17 User Manual

C. Art. M24D40G3-03 G4D2GB-33
DIRECT EXPANSION
CLOSE CONTROL UNIT WITH
REMOTE CONDENSER
MR-DX 17-25-31-41-61-71-81
INSTALLATION,
OPERATION AND
MAINTENANCE MANUAL
GENERAL
THIS MANUAL CONTAINS THE FOLLOWING SECTIONS WHICH ARE TO BE CONSIDERED AN INTEGRAL PART
OF THE WHOLE AND ARE THEREFORE NOT TO BE DETACHED
G4D2GB-3 R4D2GB-3 E4D2GB-3 F4D2GB-3 C4D2GB-3
General Information Reception Electrical connections Start-up Controls
M4D2GB-3 L4D2GB-3 P4D2GB-3 N4D2GB-3 K4D2GB-3
Routine maintenance Water connections Refrigerant pipes Air filters
Residual risks
IMPORTANT
The contents of this manual are designed to assure the
correct installation, adjustment and maintenance of the unit;
therefore:
- read the instructions with due care and attention;
- the appliance must be installed, tested and serviced by
properly qualified personnel (law n.45, 5.3.1990) licensed in
accordance with established legislation.
• The manufacturer declines all liability, and guarantee
coverage is automatically waived, if electrical and/or
mechanical modifications are made to the unit. Tampering
and unauthorized repairs or modifications to the unit will
automatically void the guarantee.
• Observe the safety regulations in force at the time of
installation.
• Make sure that the characteristics of the mains network
conform to the data on the serial number plate inside the
electrical panel.
• Conserve this manual and the circuit diagram with care.
Make sure that they are available for consultation by the
operator whenever necessary.
• Packing materials (plastic wrappings, expanded polystyrene,
nails, etc.) are potentially hazardous and must be kept out of
reach of children. Recycle packing materials in accordance
with local bylaws.
• The water chiller must be used only for the purpose for
which it is designed. The manufacturer bears no responsibility
in the case of applications other than the specified use.
• Disconnect the unit in the case of breakdowns or
malfunctions.
• If repairs are necessary use only Clivet-approved service
centres and always insist on original spare parts.
The use of non-original parts and/or unauthorized service
centres may result in unsafe operation of the unit.
The manufacturer declines all liability for direct or indirect damage to property or injury
to persons resulting from failure to adhere to the instructions in this manual.
ADDITIONAL SAFETY PRECAUTIONS
This unit has been especially designed and manufactured so to prevent any risk to persons and health hazard.
For this reason, design solutions fit to eliminate (where possible) any cause of risk and sensibly reduce the probability of
danger have been adopted.
Please refer to the Residual risks section of this manual and strictly observe the behaviour prescriptions listed there in
order to prevent any possible risk that hasn’t been possible to avoid in the design stage.

CLIVET MR-DX 17 Specifications

General

Brand	CLIVET
Model	MR-DX 17
Category	Control Unit
Language	English

Summary

Manual Overview and Safety

General Sections

Lists the main sections covered in the manual.

Important Safety Guidelines

Critical instructions for safe unit operation and maintenance.

Additional Safety Precautions

Specific measures to prevent risks during operation.

General Specifications

Installation and Positioning

Unit Positioning Recommendations

Guidelines for unit placement and required clearances.

Available Accessories Overview

List of optional components for unit enhancement.

Air Intake Configurations

Air Outlet Dimensions

Panel Removal Procedure

Internal Unit Views

Single Fan Unit Interior

Diagram showing internal components of 17-25-31-41 models.

Double Fan Unit Interior

Diagram showing internal components of 61-71-81 models.

Outlet Plenum Assembly

Adjustable Support Frame

Unit Dimensional Data

Reception, Handling, and Positioning

Unit Inspection and Handling

Procedures for checking unit condition and safe movement.

Storage and Packing Removal

Guidelines for storing and safely unpacking the unit.

Final Unit Positioning

Instructions for placing the unit in its final operational location.

Routine Maintenance Guidelines

Unit Components Maintenance

Maintenance for filters, evaporator coil, and structure.

Water System and Electrical Checks

Procedures for water drain and electrical system inspection.

Air Ducting, Fan, Humidifier, and Heater Checks

Maintenance for air ducts, fans, humidifier, and heaters.

Start-Up and Operation

Preliminary Checks Before Start-Up

Essential checks before powering on the unit.

Unit Start-Up and Shutdown Procedures

Steps for safely starting and stopping the unit.

Control Interface and Display Legend

How to use the interface and understand display symbols.

Controls, Settings, and Alarms

Display, Keypad, and Parameter Settings

Navigating the interface and modifying unit parameters.

Operating Signals and Alarm Management

Understanding status indicators and handling unit alarms.

Control Logic Diagrams

Visual representations of temperature and humidity control logic.

Optional Features and Configurations

Unit Options Overview

Details on heaters, humidifiers, and other optional features.

Remote Control and Network Connectivity

Setup for remote operation, time bands, and serial communication.

Connecting Units in Series

Instructions for networking multiple units for rotation.

Air Filter Maintenance

Electrical System and Connections

Electrical Panel and Power Connection

Location and connection of the electrical panel and main power supply.

Customer Wiring Connections

Wiring for remote controls, alarms, and auxiliary functions.

Serial Communication Setup

Configuration for RS485 communication with supervision systems.

Refrigerant Piping and Connections

Refrigerant Pipe Sizing Guidelines

Recommended pipe diameters based on length and model.

Remote Condenser Installation

Positioning, clearance, and connection guidelines for remote condensers.

Refrigerant Circuit Diagrams

Schematic of the refrigerant flow and component layout.

Risk Assessment and Safety Data

Dangerous Zone Identification

Identifying hazardous areas around the unit.

General Risk Assessment

Potential dangers from unit components, electrical hazards, and temperature.

Refrigerant Safety Information

Safety data, first aid, and fire prevention for refrigerants.

Water Connections and Drainage

Condensate Drain Installation

Proper installation of the condensate drain pipe.

Humidifier Water Supply and Drain

Guidelines for humidifier water connections.

Hot Water Coil Installation

Information on connecting the optional hot water coil.

Connection Port Locations and Sizes

Dimensions and locations of unit connection openings.

Remote Condenser Specifications and Accessories

Condenser Model Range and Capacities

Overview of CE series condensers and their cooling capacities.

Acoustic Configurations and Options

Available acoustic levels and optional features for condensers.

Standard Unit Specifications

Details on structure, heat exchangers, fans, and electrical systems.

Accessory Options for Condensers

List of available accessories like heaters, humidifiers, and control options.

Sound Level Data

Standard (ST) Sound Levels

Sound data for standard acoustic configuration.

Low Noise (LN) Sound Levels

Sound data for low noise acoustic configuration.

Extremely Low Noise (EN) Sound Levels

Sound data for extremely low noise acoustic configuration.

Sound Level Distance Correction

Factors for adjusting sound pressure levels based on distance.

Unit and Condenser Matching Tables

Single Circuit Condenser Matching

Tables for selecting compatible single-circuit condensers.

Double Circuit Condenser Matching

Tables for selecting compatible double-circuit condensers.

Performance Duty Diagrams

Standard (ST) Duty Diagrams

Performance charts for standard acoustic configuration.

Low Noise (LN) Duty Diagrams

Performance charts for low noise acoustic configuration.

Extremely Low Noise (EN) Duty Diagrams

Performance charts for extremely low noise acoustic configuration.

Technical Specifications and Data Tables

General Technical Specifications

Detailed performance and dimensional data by acoustic configuration.

Electrical Data and Ratings

Electrical characteristics including current, power input, and inrush current.

Dimensional Drawings and Weight

Visual representations of unit dimensions and weights.

Detailed Dimensional Drawings

MR-DX Unit Series Introduction

MR-DX Unit Overview

Introduction to the MR-DX range of close control units.

Unit Features and Applications

Key features, benefits, and typical use cases for MR-DX units.

MR-DX Standard Unit Specifications and Accessories

Key Unit Components

Detailed description of major unit components like compressor and fans.

Electrical Panel and Configuration

Information on the electrical panel and unit configuration coding.

Optional Accessories for MR-DX Units

Comprehensive list of available accessories for MR-DX units.

MR-DX General Technical Specifications

MR-DX Cooling Performance Data

MR-DX Operating Limits and Condenser Matching

Cooling Operating Limits

Maximum and minimum operational temperatures for cooling mode.

Condenser Matching Guidelines

Tables for selecting compatible remote condensers for MR-DX units.

MR-DX Optional Accessory Details

Electric Heaters Specifications

Performance data for optional electric heaters.

Humidifier Specifications

Performance data for optional steam humidifiers.

Hot Water Coil Performance and Pressure Drop

MR-DX Dimensional Drawings

Dimensional Drawings for Larger Models