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COOLING COIL RDF

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General Features

  • RDF range unit coolers have been designed to be installed inside cold rooms suited for RDF range unit coolers have been designed to be installed inside cold rooms suited for fresh and frozen goods storage.
    The main feature of this range is of throwing air from both sides; this allow the unit cooler to be placed in the middle of the cold room ceiling giving a uniform air flow and as a result, the best product conservation.
  • RDF rang is available in two different fan diameters and three types of fin spacing according the needed application. Furthermore, the models having 250 mm fan diameter are made with a geometry of 25 x 21.65 and 3/8 tube, where as those having 350 mm fan diameter are made with a geometry of 37.5 x 32.5 and 12 mm tube size.
  • Models having 350 mm fan diameters are equipped with fan motors of double speed giving the opportunity of using the proper version according to the application needed.
  • The ED version is supplied with mounted defrosting heaters and is suitable for being used at low temperature applications.
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Coil

The rang consist of two types of coils, both made of aluminium fins and copper tube: 3/8 tube size with a geometry of 25 x 21.65, for models with 250 mm fan diameter; 12 mm tube size with a geometry of 37.5 x 32.5, for models with 350 mm fan diameter.
The model types having 250 mm fan diameter are fitted with a coil of 4.5 mm/9 mm fin spacing, suited for applications with a cold room temperature (Tc) from -30 C to +10 C.
 The model types having 350 mm fan diameter are made of two different groups: models with 3.5 mm fin spacing suited for cold room temperature (Tc) from -5 C to + 12 C; 7 mm fin spacing suited for cold room temperature (Tc) from -35 C to + 4 C.
The coils are tested with nitrogen at a pressure of 25 bar.

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Fan motor

The fan motor model in use has the following features :

The fan motor model in use has the following features :
* Manufactured following EN 60335-1 laws, with internal thermal protection
* Power supply 230-240V / 1 / 50-60 Hz
* Fan diameter 250 mm :
* IP 54 protection rate for models with 350 mm fan diameter

  • IP 44 protection rate
  • B insulation class

* Fan diameter 350 mm :

  • Double speed (1010-1300 Rpm)
  • IP 54 protection rate
  • F insulation class

* Operating temperature from -40 C to + 40 C
* Electrics made in conformity with 73/23 CEE for low-tension motors

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Housing

The housing is made of aluminium. The manufacturing solution used give the housing strength and guarantees
the absence of vibrations during the functioning. Screws, washers and nuts are made of stainless steel.

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RDF 250.. : model : pipe and electrical connection side

 

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RDF 350.. : model : pipe and electrical connection side

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