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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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