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RS  

Pag. 9

    

REV. 08  04/10 

UK

ENGLISH  

   

Contents 

1.

 

Handbook purpose

 

2.

 

Norms for general use 

3.

 

Machine identification  

4.

 

Installation 

5.

 

Refigerating connection 

6.

 

Condensate discharge connection 

7.

 

Electrics installation 

8.

 

Technical data 

9.

 

Maintenance and cleaning   

10.

 

 Disposal 

11.

 

 Failures and solutions 

12.

 

 Optional items 

 

 
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1.  

HANDBOOK PURPOSE 
This handbook is issued in order to assist an operator properly to bring the unit cooler  on stream , 

give explainations about the relevant safety norms in force within the European Community and avoid 
any risks that may be caused by a wrong usage. 
 

2.  

NORMS FOR GENERAL USE 

 

For a correct and safe use of the machine, it is necessary  to follow the prescriptions present in this 

manual as it gives instructions and information about : 

9

 

installation 

9

 

use  

9

 

maintenance 

9

 

disabling and disposal  

 

 

The manufacturer cannot accept any liability for damages resulting from failure to follow the 
prescriptions and advice given in this handbook. 

 

Read carefully labels placed on the machine, do not cover them for any reason and replace them 
in case they are damaged .

 

 

Keep this manual carefully. 

 

The manufacturer may review this manual at any time, without notice.  

 

The unit coolers are designed for the use in industrial and commercial refrigeration application for 
stable cold rooms. They are not intended for any other purpose

.

 Any other use is to be considered 

improper and dangerous . 

 

When the package is removed, please check that every part of the machine is intact; if not, contact 

the retailer immediately . 

 

It is forbidden the use of the machine in environment with  presence of inflammable gas  or  where 
there is a risk of explosion. 

 

Do not clean the machine with direct water jet, under pressure or with improper substances . 

 

Do not use the machine without its protections ( housing and grid)  

 

Do not expose the machine to heating sources  

 

In case of fire use a powder fire extinguisher  

 

Packaging material must be suitably disposed of according to the low in force  

 

 

3.  

MACHINE IDENTIFICATION  
All the machines are equipped with an identifying label (the position of the label is shawn in Drawing 

1) where the following data are quoted :

 

   

 

code 

 

no. of fan motors   - no. of revolutions(RPM) 
Watt absorption (W) 
Ampere absorption (A) 
Power supply voltage (Volt/Ph/Hz) 

 

defrosting: 

     heaters number 

Watt absorption(W) 
power supply voltage (Volt/Ph) 

 

refrigerant group: Group 2(*) 

 

PS pressure   (max working pressure) 

 

TS temperature (min. operating temp.) 

 

serial number 

 

 
(*) According to EN378/1 norm belong to the group 2 the following gas types: 

Summary of Contents for RS Series

Page 1: ...RS REV 08 04 10 I UK MANUALE USO E MANUTENZIONE AEROEVAPORATORI A SOFFITTO USE AND MAINTENANCE HANDBOOK CEILING UNIT COOLERS RS ...

Page 2: ...RS Pag 2 REV 08 04 10 ...

Page 3: ...rvare con cura il presente manuale Il costruttore si riserva di aggiornare il presente libretto senza nessun preavviso Gli aeroevaporatori sono realizzati per la sola refrigerazione industriale e commerciale in sede stabile Non sono consentiti usi diversi da quello destinato Ogni altro uso è considerato improprio e quindi pericoloso Dopo aver tolto l imballo assicurarsi che la macchina sia intatta...

Page 4: ...lari di funzionamento come celle troppo basse stoccaggi eccessivi ostacoli al getto d aria possono influenzare le prestazioni dichiarate 4 1 Montaggio valvola termostatica non fornita Dimensionare opportunamente la valvola termostaticha N B per i modelli RS3180 RS3180B RS3290 RS3290B RS4380 RS4380B deve essere utilizzata una valvola termostatica con equilibrio esterno e con l uscita a flangiare Ap...

Page 5: ...e viti A e svitando le viti di fissaggio B Fissare la macchina utilizzando le 4 apposite asole sulla carenatura Per montare la resistenza di sbrinamento posizionarla negli appositi scavi ricavati sopra la batteria e fissarla con le due molle G fornite in dotazione Procedere con i collegamenti frigorifero ed elettrico descritti nei paragrafi successivi Riposizionare il convogliatore e serrare le vi...

Page 6: ...e disposizione e qualora l impianto elettrico a cui ci si allaccia non sia realizzato secondo le norme vigenti Sugli evaporatori dotati di resistenze di sbrinamento va installato un termostato meccanico tarato a 40 C che disabilita le resistenze in caso di sovratemperatura Il bulbo del termostato va posizionato nel pacco alettato nel punto più alto dell evaporatore 7 1 Collegamento elettrico Colle...

Page 7: ... si deve verificare che la corrente elettrica sia disconnessa Controllare il serraggio di tutti i morsetti all interno della scatola di derivazione frequenza quadrimestrale Controllare visivamente tutto il circuito frigorifero anche internamente alle macchine alla ricerca di perdite di refrigerante che sono denunciate anche da tracce di olio lubrificante Intervenire tempestivamente e approfondire ...

Page 8: ...ola termostatica Surriscaldamento elevato Controllare le temperature ed agire sulla valvola Evaporatore danneggiato Alette deformate Raddrizzare le alette con un pettine Motore ventilatore guasto Sostituzione Ventilatori bloccati Tensione di linea inferiore ai limiti di tolleranza Verificare il valore della tensione con un voltmetro 12 OPTIONAL Batteria verniciata con vernice a polvere epossidica ...

Page 9: ...The manufacturer may review this manual at any time without notice The unit coolers are designed for the use in industrial and commercial refrigeration application for stable cold rooms They are not intended for any other purpose Any other use is to be considered improper and dangerous When the package is removed please check that every part of the machine is intact if not contact the retailer imm...

Page 10: ... conditions such as cold rooms having too small height excessive loading obstacles to the air flow may have an influence to the stated performances 4 1 Thermostatic valve mounting not supplied The thermostatic valve is to be properly sized NOTE for models RS3180 RS3180B RS3290 RS3290B RS4380 RS4380B it is necessary to use a thermostatic valve with external equaliser and outlet to be B P1 42 40 120...

Page 11: ...illustrated in Drawing 3 loosening the screws A and unscrewing the fastening screws B Fix the machine using the 4 special slots in the casing To fit the defrosting heater place it in the relevant notches above the coil and fix it into place using the two springs G supplied Proceed to make the refrigerating and electrical connections as described in the following paragraphs Reposition the conveyor ...

Page 12: ...olerance 10 of the rated tension The law requires that the unit is earthed therefore it is necessary to connect it to an efficient earthing equipment No liability whatsoever can be accepted if the above instruction requirement is not complied with or if the electrical plant to which the unit is to be connected is not made by following the law in force For evaporators equipped with defrosting heate...

Page 13: ...only The fan motors are equipped with an internal protection system with automatic cutout In case there is the need of fitting a regulation system of fan motor number of revolutions check that it is suitable for the fan motor itself 8 TECHNICAL DATA RS unit coolers are equipped with axial fan motors which are not suitable for additional air pressure drops The heat exchanger is made of copper alumi...

Page 14: ...pening frequency and eliminate possibile fissure Iced Evaporator Burnt electrical heaters Replace the faulty heaters The refrigerant inflow to the evaporator is reduced Check the size of the thermostatic valve The orifice of the thermostatic valve is too little Increase the orifice diameter Iced evaporator only near the thermostatic valve High Overheating Check the temperatures and operate on the ...

Page 15: ......

Page 16: ...S r l Costruzione Gruppi Frigoriferi e Accessori Via Sicilia 7 61020 Montecchio PU Italy Tel 39 0721 919911 Fax 39 0721 490015 www rivacold com info rivacold com COD 99215002 ...

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