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RDZ RNW 404 - User Manual

RDZ RNW 404
40 pages
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FAG0CA028AB.03
09/2021
Air Handling Units
Unità Trattamento Aria
RNW 404
INSTALLATION / TECHNICAL MANUAL
MANUALE INSTALLAZIONE / TECNICO
Dehumidifier horizontal ceiling mounted
Deumidificatore orizzontale a soffitto
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RDZ RNW 404 Specifications

General IconGeneral
BrandRDZ
ModelRNW 404
CategoryDehumidifier
LanguageEnglish

Summary

General Warnings

Usage Guidelines and General Warnings

This unit is used to control room humidity... Any other different use MUST be agreed...

Safety Warnings

Safety Precautions and Installation Rules

Installation and maintenance must only be carried out by qualified personnel... must comply with the safety, accident prevention...

Disposal

Disposal and Recycling Procedures

The crossed-out rubbish bin symbol... must be collected separately... recover refrigerating gas and lubrication oil...

Preliminary Operations

Testing, Transport, and Unpackaging

Upon receipt, check immediately that the packaging is intact... notify the manufacturer of the extent and type of the damage...

General Overview

Product Description

Ductable isothermal dehumidifier designed for horizontal ceiling installation. It consists of...

Machine Components List

Table A - Machine Components... Water outlet, Water inlet, Electrical panel, Filter, Fan, Compressor, Exchangers...

Package Contents

RNW 404, Installation / Technical Manual

Included Complements

Mandatory: Condensate drain choosing. Accessories: Hydraulics, Air filters kit.

Safety Checks Overview

All the control devices are tested in the factory... Safety check is carried out by the control unit through the values measured by the probes

Component Details

Compressor, Pre-cooling coil, Evaporating coil, Post-heating coil, Fan, Air filter, Sensors.

Installation

Positioning and Ceiling Fixing

Positioning indications: MAX 95% humidity, MAX 30°C temp. Minimum space allowances...

Hydraulic Connections

Condensation drain and inlet/outlet pipes must comply with standards. Syphon must be sized...

Electrical Connections

The dehumidifier must be connected to a disconnected, earthed power socket... electrical system must be protected...

Air Supply Plenum Installation

AIR SUPPLY PLENUM. Measures (lxwxh). Collars.

Start-Up and Testing

Start-Up and Testing Procedures

The dehumidifier must be tested together with the panel system... check the water flow rate... check delivery air temperature...

Functioning

Operating Modes and Behavior

The machine is operational when powered and dehumidification consent is closed. Fan starts first, then compressor...

Alarms

Signals and Alarm Indicators

Legend: L.P., L.G., L.O., L.R. Type of Led Flashing. Signals: Power, Compressor Timing, Water Temp...

Faults and Troubleshooting

Table F - Troubleshooting. Problem/Cause/Remedy. Unit does not start up, Fan starts but compressor does not.

Maintenance

Ordinary Maintenance

Cleaning the Filter. The dirty filter increases pressure drop... requires periodic cleaning... check every 90 days.

Extraordinary Maintenance

Removing the Fan. Caution! To replace the fan you must remove the lower dehumidifier panel.

Technical Data and Performance

Dimensions and Technical Data

Table G - Technical characteristics. Condensation, Rated electrical power, Air flow rate, Refrigerant.

Acoustic Characteristics

Table H - Acoustic Characteristics. Sound power level [dB] for Dehumidification and Ventilation.

Operating Limits

Graphs describe the operating range... SUMMER operation: max water temp 23°C. WINTER mode: 24°C-50°C ventilation.

Performance Data

Table I - Performance in dehumidification mode. Room Temp: 26°C/24°C. Water Temp. vs Litres/Day.

Characteristic Curves

Performance [Pa] vs Air flow rate [m³/h] for different fan speeds.

Hydraulic Circuit Pressure Loss

Head loss [DaPa] vs Water flow rate [l/h].

Wiring Diagram

Wiring Diagram

Schematic showing electrical connections for Compressor, Fan, Power Supply, Sensors, and Consents.

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