4D Coils | Unit Coolers Brine Units Blast Freezers Fruit Cellar Coolers

Unit Coolers & Brine Units

A range of cooling solutions for coldrooms and food processing applications. Our Unit Coolers operate with all new refrigerants plus CO2, NH3 and Brine.

Units available with centrifugal motors
Defrosting options include;

– Hot gas defrost

– Electrical defrost

– Water & compound defrost
Surface treatment options to guarantee max durability
Lightweight casing made entirely from Aluminium
Units with re-heat

Wide selection of production materials: copper, aluminium, steel & stainless steel in various alloys
Wide range of fan motors from the best International producers:

– Conventional fan motors (ErP-Ready)

– EC (high-efficiency electronically commutated motors)

– ATEX Fan motors available
Highly recyclable, non-toxic manufacturing materials as per RoHS directive

Product Range Overview

Small Unit Coolers

SD SERIES

Double Flow Unit Coolers

DD SERIES

Cubic Unit Coolers

KC & IC SERIES

Fruit Coolers

F SERIES

Blast Freezer Units

BF SERIES

Centrifugal Fan Units

CC SERIES

General Features

APPLICATIONS

Our range of unit coolers & brine units are ideally suited to cold rooms, cold storage, fresh produce distribution, food processing & blast freezing applications – suitable with all of the new HFC and HCFC refrigerants. The indicated air flows, air throws and power consumptions have all been verified at our manufacturing plants as per EN328.

COILS

The coils of the 4D unit coolers consist of corrugated aluminium fins and copper tubes. The supporting side plates are made of aluminium. Units are designed and assembled according to strict company specifications regarding production and quality, in order to prevent tube damage. Tubes are tested at 33 bar as per Pressure Equipment Directive 2014/68/EU and pre-charged with dry air to ensure the absence of leaks, humidity and debris in the refrigeration circuit.

FAN MOTORS

All unit coolers are supplied with standard 50 Hz fan motors, single or 3 phase, certified by our suppliers and tested at our plants. The fan guards & fasteners are made of black painted steel (color RAL9005) and manufactured according to the strictest safety standards.

ELECTRIC DEFROST

The standard electric defrost system consists of stainless steel electric heaters fitted inside the finned block and on the internal drip tray. The layout of the heaters is designed to guarantee an adequate distribution of heat inside the unit, proportionate to its different critical areas. The high thermal conductivity of the production materials ensures proper heat distribution in the entire unit. All of the defrost water is uniformly conveyed and channeled from the drip tray to a collection tray, which is equipped with a threaded connection enabling the water to drain freely.

CASING & FINISH

The unit cooler’s casing consists of an internal self-supporting frame made of aluminium or stainless steel, while all of the visible parts and finishing are made of white pre-painted aluminium (color code RAL9010), which gives the unit a clean and polished look. Units are supplied with protective films on all pre-painted surfaces. These production materials make the product; Light in weight, non-toxic and devoid of polluting particles, highly resistant to mechanical stress and corrosion, resistant to low temperatures.

PACKING

All unit coolers are packed individually in fully enclosed wooden crates. Industrial unit coolers are also packed with an internal self-supporting frame designed to simplify and expedite ceiling installation. All units are supplied with label and technical specifcations, operating and maintenance manual, certificate of inspection, manufacturer’s statement, and wiring diagrams.

Accessories

Insulated tray
EC/ATEX Motors
Hot glycol defrost
Motor wiring
AISI 304 – 316 tubes
Hot gas defrost

Increased electric defrost (+25%)
Grids electric defrost
Surface treatments
Prepainted fins
Units with reheat
Water defrost
AISI 304 – 316L frames

Unit Coolers & Brine Units

Units available with centrifugal motors

Defrosting options include;

– Hot gas defrost

– Electrical defrost

– Water & compound defrost

Surface treatment options to guarantee max durability

Lightweight casing made entirely from Aluminium

Units with re-heat

Wide selection of production materials: copper, aluminium, steel & stainless steel in various alloys

Wide range of fan motors from the best International producers:

– Conventional fan motors (ErP-Ready)

– EC (high-efficiency electronically commutated motors)

– ATEX Fan motors available

Highly recyclable, non-toxic manufacturing materials as per RoHS directive

Product Range Overview

Small Unit Coolers

SD SERIES

Double Flow Unit Coolers

DD SERIES

Cubic Unit Coolers

KC & IC SERIES

Fruit Coolers

F SERIES

Blast Freezer Units

BF SERIES

Centrifugal Fan Units

CC SERIES

General Features

APPLICATIONS

COILS

FAN MOTORS

ELECTRIC DEFROST

CASING & FINISH

PACKING

Accessories

Insulated tray

EC/ATEX Motors

Hot glycol defrost

Motor wiring

AISI 304 – 316 tubes

Hot gas defrost

Increased electric defrost (+25%)

Grids electric defrost

Surface treatments

Prepainted fins

Units with reheat

Water defrost

AISI 304 – 316L frames

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