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BREC Air-cooled water chillers BREF Air-cooled water chillers with free-cooling system 1602A - 1802A - 2202A - 2502A - 2802A3202A - 3602A - 4202A - 4802A R134a (400-1200 kW)

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0

200

400

600

800

1000

1200

Co

oli

ng

cap

acit

y [k

W]

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300

400

500

600

700

800

900

1000

1100

1602A 1802A 2202A 2502A 2802A 3202A 3602A 4202A 4802A

kW

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BRE Range

High level performance

R134a Refrigerant Double screw compressors Electronic expansion valve Innovative fans and heat exchangers Free-cooling & Intelligent Free-cooling

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Europe Far East & Cina USA

A/C & Chillers up to 300 kW

Chillers from 300 kW

Refrigerants: trends for the next 2 years

R407C20%

R410A80%

R407C40%

R410A60%

R407C30%

R134a60%

R410A10%

R407C50%R134a

45%

R410A5%

R22 70%

R407C 4%

R134a 26%

R2265%

R410A30%

R134a5%

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400 - 500kW

R410A R134a

Trend: refrigerant / compressors

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Excellent performance

High intrinsic efficiency Single-component Optimized components Limited direct (GWP) and indirect

(TEWI) environmental impact

R134a Refrigerant

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Total Equivalent Warming Impact

Refrigerant emission during the ‘lifecycle’ of the unit

Indirect emissions resulting from the CO2 emissions during energy production Refrigerant TEWI

R22 1968 (-3%Vs R407C)

R407C 2032

R134 1821 (-10%Vs R407C)

R134a Refrigerant

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Optimized double screw compressors

Compressors

1602A 1802A 2202A 2502A 2802A 3202A 3602A 4202A 4802A

365kW 458kW 519kW 547kW 666kW 732kW 847kW 937kW 1046kW

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Optimized double screw compressors with

R134a lubrication of the bearings distribution of the oil

Compressors

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Optimized double screw compressors with

R134a lubrication of the bearings distribution of the oil

constant efficiency over time

Compressors

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Optimized double screw compressors with

R134a lubrication of the bearings distribution of the oil

efficiency

semplicity

Compressors

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Optimized double screw compressors with

use of R134a lubrication of the bearings distribution of the oil

reliability

Double screw compressors

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Double screw compressors

Optimized double screw compressors with

use of R134a lubrication of the bearings distribution of the oil

reliability

efficiency

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Impact

Gravity

Filtration

Optimized double screw compressors with

use of R134a lubrication of the bearings distribution of the oil

Double screw compressors

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Economizer

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Electronic expansion valve managed by the control

Reliability: operating limits respected monitoring of the

refrigerant load Efficiency:

overheat management

Tcondensation

Precision:

Tevaporation

Electronic Expansion Valve

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uniform temperature even in partial load conditions

oil drag favoured heat exchange always in

“countercurrent ” conditions

Evaporator

“Single passage” evaporators

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“V” structure

Flexibility during movement

Reliability

Ease of maintenance Oversized

Acoustic impact

Efficiency

Maximum external temperature

Air side exchangers

Modular structure

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Aluminium core

better heat dissipation Plastic blades

better air flow Less weight

more reliability

Acousti-composite fans

Axial fans produced in a composite material

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High reliability High efficiency Starting current lower than the nominal Low noise levels

Acousti-composite fans - EC

1000kW kWh

Standard 120000kWh

EC 98000kWh

Saving on the ventilation sections

-20%

2 years payback

Axial fans produced in composite material with EC motor

02468

101214161820

34

/36

30

/32

26

/28

22

/24

18

/20

14

/16

10

/12

6/8

2/4

-2/0

-6/-

4

-10

/-8

-14

/-1

2

External temperature [°C]BREF std BREF EC

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Acoustic impact:Available versions

The basic version is already low noise, without loss of efficiency

Low noise version Ultra-low noise version

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56

58

60

62

64

66

68

300 500 700 900 1100d

B(A

)kW

BRAC BREC BRAC-LN BREC-LN

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Electrical Panel

Electric bars distribution Absorbed current acquisition Phase sequence control Minimum and maximum power supply

control

Protection & Reliability

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Generator

Principal lineUnit

Generator

Unit

A

B

Double power supply

installation Chillers

Reliability:Continuous power supply

Principal Line

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Double power supply

installazione Chillers

Reliability:Continuous power supply

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PID Logic to control the outlet water temperature

Continuous monitoring for the operating parameters

Verification and control of the safety intervals

Integrated LAN Extensive BMS connectivity

Advanced Control

Precision, Reliability, Connectivity

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Advanced Control

Precision, Reliability, Connectivity

Time

Del

ta T

BREC Traditional

T without

water tankThermal load

1,6°C < 16%1°C 16% -25%

0,3°C > 25%

PID Logic to control the outlet water temperature

Continuous monitoring for the operating parameters

Verification and control of the safety intervals

Integrated LAN Extensive BMS connectivity

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Advanced Control

Precision, Reliability, Connectivity

PID Logic to control the outlet water temperature

Continuous monitoring for the operating parameters

Verification and control of the safety intervals

Integrated LAN Extensive BMS connectivity

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Precision, Reliability, Connectivity

PID Logic to control the outlet water temperature

Continuous monitoring for the operating parameters

Verification and control of the safety intervals

Integrated LAN Extensive BMS connectivity

Advanced Control

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Intelligent free-cooling

Mission critical installations require reliability and energy savings

The logic “n+1” assures continuous operation

Free-cooling allows for a reduction in energy consumption

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Intelligent free-cooling

Annual energy saving

Compared to traditional free-cooling: up to 7%

Compared to a traditional installation: up to 50%

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Primary pump

Evaporator

Free-cooling coil

Free-cooling pump

Non-return valve

Free-cooling connections

Intelligent free-cooling

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Mechanical cooling

Stand-by Running Running

Intelligent free-cooling

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Free-cooling

Intelligent free-cooling

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