Units coolers
Miniflat / Minitop

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Application and models

Ceiling or wedge shaped units coolers , best suited for installation in the ceiling of small cold rooms and the cooling of all kind of products. Intersam cubic units coolers range includes two main different Series: ITC for wedge shaped units coolers and ITP for ceiling, both for high and low temperature.

General features

Coils

High performance finned coils, built in 3/8” grooved copper tube and corrugated aluminium with 3,5 and 8mm fin spacing. The frame is manufactured in aluminium sheet, protected by collars. They have a Venture type distribution system for the application of thermostatic expansion valves.

External structure

Manufactured in RAL-9018 colour polyester high resistance aluminium. The whole structure is compact and highly rigid to avoid vibrations. All pieces are easily dismantled for maintenance.

Fans

Helicoidal fans with high performance protection grids and 230V / 50Hz singlephase motors (200mm diameter for wedge and 250mm diameter for top) with IP-54 protection grade, external rotor and low power consumption. All the motors can be wired to the centralized waterproof junction box, according to IP-55 standards.

Defrosting heaters

Defrosting is carried out by 230V electric heaters, built in shielded stainless steel tube, with vulcanized ends avoiding shunts, inserted in the coil and tray and wired to the waterproof junction box. All the models may be supplied with defrosting heaters.

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Options

Coils

- Fins with Bronz-Glow protection for corrosive environments
- Copper fins
- Prelacquered aluminium fins

Defrosting

- Electrical defrost in middle drip tray
- Hot gas in coil, with heater in middle drip tray

Options will only be ordered under consultation with the Intersam technical department.

Refrigerant capacity

The capacities of the units coolers are tested in dry atmosphere (sensible heat) according to ENV-328.

The nominal capacities of the catalogue (sensible heat + latent heat) are refered to the tested capacities (SC2) multiplied by a coefficient (latent heat factor) to consider the increasing of capacity (latent heat) due the condensation of steam water on the unit cooler surface.

This factor depends on the cold room conditions, for high room temperatures is increasing and for low room temperatures is decreasing, as indicated in the table here below according ENV-328.




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