Thermocold ISA4-EA

AIr refrigeration unit

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Thermocold

Modugno, Italy
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Overview
Name of product/article

ISA4-EA

Type

AIr refrigeration unit

High efficiency air-water unit for 4-pipe systems with EC axial fans and screw inverter compressors.

The range marked by the trademark EA use shell & tube heat exchangers characterized by high performances and low refrigerant/fluid Δt, allows to reach high energy efficiencies.

• Screw compressors with Inverter.
• ECO-PROFILE ELECTRONIC EC brushless fans statically and dynamically balanced.
• Water side evaporator direct expansion shell and tube type with water connections (complete of differential pressure switch and anti-freeze protection electrical heater).
• Recovery heat exchanger direct expansion shell and tube type with water connections.
• High efficiency condenser coils with seamless copper tubes and alluminium fins.
• Electronic expansion valve.
• Double set point temperature.
• Condensing and evaporating pressure control with variable fan speed modulation.
• Microprocessor with RS 485 master and slave.
• Galvanised steel base frame and panels in powder painted galvanised steel sheet for outdoor installation.

ADVANTAGES
All the components are characterized by continuous speed modulation. The use of inverter allows the unit to partialize the total power down to 15%.
All models are characterized by very high energy efficiency and fall into Energetic Class “A”.
The inverter technology allow to optimize the performance according to the real request of the plant, ensuring the maximum efficiency at partial loads.
The ECO-PROFILE ELECTRONIC fans, equipped with brushless motors, allow to minimize energy consumption and noise impact.
Excellent acoustic comfort levels.
The IDROFIL surface treatment of coil fins improves the capacity of the condenser water drainage, allowing to reach high energy efficiency even with low outdoor air temperature.

Further info from manufacturer on ISA4-EA
Further details
UNIT DESCRIPTION
Screw compressors with Inverter.
• ECO-PROFILE ELECTRONIC EC brushless fans statically and dynamically balanced.
• Water side evaporator direct expansion shell and tube type with water connections (complete of differential pressure switch and anti-freeze protection electrical heater).
• Recovery heat exchanger direct expansion shell and tube type with water connections.
• High efficiency condenser coils with seamless copper tubes and alluminium fins.
• Electronic expansion valve.
• Double set point temperature.
• Condensing and evaporating pressure control with variable fan speed modulation.
• Microprocessor with RS 485 master and slave.
• Galvanised steel base frame and panels in powder painted galvanised steel sheet for outdoor installation.

MOUNTED ACCESSORIES
• Gas gauges.
• Additional water pump for cold side + additional inverter water pump for hot side, 150 kPa.
• Automatic water pumps changeover.
• Control panel electric heater with thermostat.
• Phase failure protection relay.
• Automatic circuit breakers.
• Condensing coils protection grilles.
• Blygold condensing coils.
• Coated condensino coils.
• Epoxy coated condensing coils.
• Copper-copper or tinned copper-copper condensing coils.

LOOSE ACCESSORIES
• Remote control panel.
• Flow switch.
• Automatic water filling.
• Filters.
• Water gauges.
• Spring or rubber anti-vibration mounts.

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