PRODUCTS

HIGH TECHNOLOGY IN REFRIGERATION DEVICES

CRAC Units

HiRef S.p.A. is a newcomer in the Close Control market and produces, with innovation and a market-oriented approach to business through intensive co-operation with our customers, a complete range of Air Conditioning products, in line with the latest state of the art.

NRG

Inverter-driven Close Control air conditioning unit

Range: 3,2 – 89,3 kW

Standard features

•    Inverter-driven compressor unit BLDC
•    Continuous modulation of the Cooling Capacity
•    Ecological refrigerant R410A
•    Backward curved blades fans with EC motors as standard

Air-flow configuration:
D Downflow
U Upflow
X Displacement

 

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TREF

Close Control air conditioning unit

Range: 22,1 – 236,1 kW

Standard features

DX Versions:
A Air-cooled units, with remote condenser
D Dual-Cooling air-cooled units, with remote condenser
F Indirect Free-Cooling units, with remote dry-cooler
Q Dual-Cooling water-cooled units
W Water-cooled units, for Cooling-Tower or Dry Cooler applications
Z Water-cooled units, for city water applications

Refrigerating circuit:
•    Rotalock connection to make the installation easier
•    Expansion valve with external equalization
•    Filter dryer and sight glass
•    Phase sequence relay
•    HP manual pressure switch and LP automatic pressure switch

CW versions:
•    Modulating 3-way valve

Air-flow configuration:
D Downflow
U Upflow
X Displacement
 

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JREF R

Close Control air conditioning unit

Range: 5,9 – 23,4 kW

Standard features

DX Versions:
A Air-cooled units, with remote condenser
D Dual-Cooling air-cooled units, with remote condenser
F Indirect Free-Cooling units, with remote dry-cooler
Q Dual-Cooling water-cooled units
W Water-cooled units, for Cooling- Tower or Dry Cooler applications
Z Water-cooled units, for city water applications

Refrigerating circuit:
•    Rotalock connection to make the installation easier
•    Expansion valve with external equalization
•    Filter dryer and sight glass
•    Phase sequence relay
•    HP manual pressure switch and LP automatic pressure switch

CW versions:
•    Modulating 3-way valve

Air-flow configuration:
D Downflow
U Upflow
X Displacement

Download the Brochure

JREF

Close Control air conditioning unit

Range: 5,9 – 22,2 kW

Standard features

Floor air conditioning cabinet / monobloc / industrial – JREF – HiRef

DX Versions:
A Air-cooled units, with remote condenser
W Water-cooled units, for Cooling-Tower or Dry-Cooler applications
Z Water-cooled units, for city water applications

Refrigerating circuit:
•    Rotalock connection to make the installation easier
•    Expansion valve with external equalization
•    Filter Dryer and sight glass
•    Phase sequence relay
•    HP manual pressure switch and LP automatic pressure switch

CW versions:
•    Modulating 3-way valve

Air-flow configuration:
D Downflow
U Upflow
X Displacement

RACK COOLING

HIGH TECHNOLOGY IN REFRIGERATION DEVICES

HRCM

  • Type: evaporative

Description

Floor air conditioning cabinet / monobloc / industrial – JREF – HiRef

DX monobloc rack coolers
Range: 6÷10 kW

AVAILABLE VERSIONS

In-rack
In-row
HRCM 0061
HRCM 0101

PRODUCT PLUS

Monobloc construction
EC electronic ventilation
Evaporating coil treated with a hydrophilic coating
Hot gas by-pass to limit compressor staging at minimum loads
Easy to install

HRCM is the latest generation of monoblock rack coolers for high density applications . Construction with the condensing section on board the machine considerably reduces installation costs as there are no refrigerating lines. The flanges on the condensing air ducts are located on the top of the unit, making installation tasks even easier. The monoblock construction, which includes both the evaporating and condensing sections, ensures fast installation as no connecting refrigeration piping needs setting up on site. Installation costs are therefore reduced considerably. The aluminium fins of the evaporating coil are treated with a hydrophilic coating to ease condensate water drainage into the stainless steel pan and prevent condensation water recirculation back into the rack through the air flow. The fans use EC brushless motors on both the evaporating and condensing sides: this lets the HRCM adapt to a broad range of ducting configurations and also ensures high efficiency at partial loads. A hot gas by-pass system allows adapting cooling capacity to low cooling demand conditions. The flanges on the condensing air ducts are located on the top of the unit, making installation tasks even easier. The range is also available in a version for low outdoor temperatures (-40 °C).

MRAC

  • Type: evaporative

Description

Mini rack cooler for internal installation on rack
Range: 3.6÷7.9 kW

AVAILABLE VERSIONS

Low outdoor temperature version
Brushless DC inverter driven compressor available for the 7 kW unit

PRODUCT PLUS

Compatible with any 19″ upright rack
Occupies the space of 7 rack units
EC electronic ventilation

The units in the MRAC family offer an ideal solution for cooling 19” racks, which require precise internal temperature control and 24/7 operation. They come in a split configuration with an outdoor motocondensing R410A unit, with the BLDC modulating compressor version providing a cooling capacity of up to 8 kW. One of the key strengths of the MRAC range is the compactness of the units: the MRAC takes up the space of just 7 rack units. Ventilation is exclusively of the EC type, ensuring efficient air flow adjustment. In applications where continuous, reliable operation is essential, it is possible to use a version with two outdoor motocondensing units to maximise unit redundancy. MRAC is controlled by dedicated software that allows LAN connection of up to 8 units and interfacing with an automatic door opening system in the event of an alarm. TECHNICAL CHARACTERISTICS Coil with high efficiency fins with hydrophilic coating and aluminium structure Version for low outdoor temperatures available Compressor with brushless inverter technology available for the 7 kW version EC fans as standard AISI 430 stainless steel condensate drain pan Electrical/microprocessor quick connections Fully insulated panelling Refrigerant connections from bottom RAL 7016 colour G3 air filter

TELECOM COOLING

HiRef S.p.A. is a pioneer in the HVAC market for Telecommunication applications, with innovation and a market-oriented approach to business through intensive co-operation with our customers, HiRef offers a complete range of Air Conditioning products, in line with the latest state of the art.

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HTW / HTWD

Range: 4,5 – 29,1 kW

Monobloc outdoor unit for technological environnements

Standard features

•    Monobloc outdoor units for technological shelters with no people in (i.e. telecom shelters)
•    Panels in peraluman with rounded edges
•    Upflow versions available
•    Downflow versions available with 1.7-meter-distance between return and supply-air side
•    Plug type evaporator fans with backward curved blades 
•    Direct driven condenser fans with forward curved blades 
•    Full front accessibility for maintenance / servicing even with running unit 
•    Electrical panel in a separated vane
•    Microprocessor control
•    Scroll or rotative compressor
•    Expansion valve with external equalization, filter and sight glass
•    Hydrophilic treated evaporating coil

Brochure

HTD / HTU / HTX

Range: 4,4 – 25,6 kW

Monobloc indoor unit for technological environnements

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Standard features

•    Monobloc indoor units for technological ambients with no people in
•    Panels made in galvanized and powder coated RAL9002 metal sheet with rounded edges
•    Upflow, downflow or displacement versions available
•    Plug type evaporator fans with backward curved blades 
•    Direct driven condenser fans with forward curved blades 
•    Full front accessibility for maintenance/servicing even with running unit
•    Electrical panel in a separated vane
•    Microprocessor control 
•    Scroll or rotative compressor
•    Expansion valve with external equalization, filter and sight glass
•    Hydrophilic treated evaporating coil

Brochure

HTS

Range: 2,7 – 37,9 kW

Ceiling/wall mounted split unit

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Standard features

•    Split unit complete with outdoor motocondenser and indoor evaporating part (ceiling- or wall-mounted)

•    Programmable microprocessor
•    6-poles condenser fan for a low noise level
•    Multi-speed indoor fans
•    Double drain pain
•    Adjustable air discharge grill
•    Plug  Fan
•    Ductable execution

Brochure

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HTR

Range: 7,4 – 33,5 kW

Telecom Rooftop

For Low And Medium Power Telephone Exchanges

Standard Features

•    Maximum efficiency at partial loads

•    Highest energy savings with direct free-cooling
•    Completely accessible from above
•    Maximum space inside the shelter
•    Unit optimised for the configuration with hot/cold corridor

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