w w w . p r o f r o i d . c o m
compact
TRANSCRITICAL CO2 BOOSTER RACK
Cooling capacity LT: from 2 to 130 kW
Cooling capacity MT: from 20 to 300 kW
MiniCO2OL compact
Refrigeration Rack
Transcritical CO2 booster
Safe operation:
Electrical cabinet delivered
wired and mounted.
Energy saving:
Frequency converter
on MT and LT
compressor (option).
Safe operation:
Emergency condensing unit
integrated.
Safe operation:
Suction accumulator on
negative rack (option).
Energy saving:
Heat recovery module
with several options
available.
A CONCEPTION BASED ON ENVIRONMENTAL EFFICIENCY:
The new range of refrigeration Rack MiniCO2OL® compact uses
the natural fluid carbon dioxide (CO2) to provide durable and
energy efficient refrigeration solutions. Specifically designed
for the supermarkets and discounters, the MiniCO2OL compact
system covers a wide range of cooling capacities. In temperate
climates, the MiniCO2OL compact demonstrates up to 10% of
energy savings compared with the traditional HFC refrigeration
systems, leading attractive life cycle costs and a short period
of return on investment. The CO2 is the neutral refrigerant by
excellence; it has a minimal global warming potential (GWP) for
the planet, and a zero Ozone Depletion Potential (ODP). He is
completely compatible with the F-Gas regulation.
TECHNICAL CONCEPT:
- Positive and negative racks stacked together on one main frame.
- From 2 to 6 positive compressors: - 20 to 300 kW.
- From 1 to 4 negative compressors: - 2 to 130 kW.
- Pressure design: 25,45, 120 bar.
- Active oil separation system.
- Multiple vertical liquid receivers.
- Integrated electrical cabinet including the control and protection
of the Gascooler.
- Control via dedicated automation, in open protocol.
- Frequency inverter on positive compressor (standard)
and negative (option).
- Emergency condensing unit, factory mounted.
- Heat recovery module integrated (option).
PRODUCT BENEFITS:
- Safe running.
- Energy optimization.
- Customization / adaptability.
- Machine with PED compliance, risk category III.
- Small footprint.
INSTALLATION SOLUTIONS:
- 100% natural fluid CO2, compatible F-GAS.
- Heating and sanitary hot water production.
- Energy saving.
- Adapted for machine rooms with small dimensions.
- Easy maintenance.
Adaptability:
Electrical cabinet
with customized
user connections.
Safe operation:
Semi-automatic backup
running mode.
Easy maintenance:
Access to components
from the front face.
Safe operation:
Oil separator and oil
receiver.
Easy maintenance:
Double filter drier line
(option).
Safe operation:
Specific control dedicated to
transcritical CO2 applications,
with algorithm for efficiency ratio
optimization.
m
4 500 m
80
0m
m
Small footprint:
Positive 300 kW and negative 150 kW in 900/4000
mm on the floor. 4 500 mm with heat recovery.
Easy maintenance:
Multiple receivers
PED Cat III or IV,
from 66 liters to 2 x
198 liters.
MiniCO2OL compact
Options for better environmental efficiency.
THE ECO-COMPRESSOR.
Economizer cycle:
Addition of a complementary compressor operating as economizer.
Reduction in the compressors size.
Better efficiency of the gas compression in medium pressure: ~30%.
COP improvement: ~15%.
HEAT RECOVERY MOUNTED AT THE RACK DISCHARGE:
The CO2 has excellent properties, particularly a high
temperature of discharged gas, allowing to recover more
energy at higher temperatures, and this on a regular basis.
These characteristics allow to combine simultaneously the
production of heating water and hot sanitary water through
several heat exchangers.
Various configurations are possible with or without gas cooler
bypass and always equipped with a set of anti-boiling bypass
valves.
Directly mounted on the rack, the heat recovery module is
connected to the refrigerant circuit, and electrically wired.
Possibility to add pumps and energy meter (options).
FREQUENCY INVERTER:
The frequency inverter is delivered wired on the MT rack and
optionally on the LT rack to allow an energy optimization by
precise adjustment of the refrigeration capacity to the needs of
display cabinets and other cooling devices of the store.
These guarantee a flexible running of the rack during under load
period (winter) by reducing the Startup/shutdown cycles of the
compressors.
They also allow to bear the peaks demand (summer) while using a
compressor of smaller size (functioning in over-frequency).
Controlled
valves
Sanitary
Hot Water
exchanger
Water heating
exchangers
Frequency inverter
LT rack (option)
Frequency inverter
MT rack
MiniCO2OL compact
Range of Booster racks with modular design able to receive, on a single frame, a combination of positive racks
from 3 to 6 compressors, and negative racks from 1 to 4 compressors, in predefined type formats: 3+1/2, 4+3,
5+3/4 and 6+3/4.
You will find in the table below some examples of combinations with their minimum and maximum capacities.
3+2
Mini combination Maxi combination
Number of negative compressors
1
BITZER
Type of negative compressors
(1)
Capacity of negative compressors
Number of positive compressors
Type of positive compressors
kW
BITZER
2
2CSL6K
+ 4CSL12K
66
2MSL07K
3
3
3
4PTC6K
4CTC30K
156
Total capacity of positive compressors(2)
kW
22
Gas cooler heat rejection capacity
kW
37
260
Suction diameter negative rack
inch
"7/8
1"3/8
Suction diameter positive rack
inch
1"3/8
1"5/8
Gas cooler outlet diameter
inch
"7/8
1"3/8
Liquid line outlet diameter
inch
"7/8
1"3/8
Receiver volume
dm3
66
198
Sound power
Lwa
85
89
LT compressor intensity
Imax
2,5
41
MT compressor intensity
Imax
40
234
Pressure
25/45/45/120
Length
(mm)
Length (with option heat recovery)
(mm)
2130
Width
(mm)
900
Height
(mm)
2100
+ 350
+ 500
6+3/4
Mini combination Maxi combination
Number of negative compressors
Type of negative compressors
Capacity of negative compressors(1)
Number of positive compressors
Type of positive compressors
3
BITZER
kW
BITZER
4
2x2CSL6K
+ 2x4CSL12K
134
2MSL07K
9
6
6
4FTC20K
4CTC30K
303
Total capacity of positive compressors(2)
kW
144
Gas cooler heat rejection capacity
kW
240
504
Suction diameter negative rack
inch
"7/8
2"1/8
Suction diameter positive rack
inch
1"5/8
2"1/8
Gas cooler outlet diameter
inch
1"3/8
1"5/8
Liquid line outlet diameter
inch
1"3/8
1"5/8
Receiver volume
dm3
2x146
2x198
Sound power
Lwa
91
92
LT compressor intensity
Imax
7.5
81.0
MT compressor intensity
Imax
283
Pressure
422
25/45/45/120
Length
(mm)
Length (with option heat recovery)
(mm)
Width
(mm)
900
Height
(mm)
2100
(1)
-32°C /-10°C.
(2)
-10°C /+36°C outside (negative heat rejection not deducted)
4028
+ 350
+ 500
Useful Innovation
A CO2 range serving you safely
MiniCO2OL outdoor with casing
CO2 transcritical housed condensing unit
- Monobloc unit:
- No high pressure connection 120 bar to be made on site.
- Full test of the machine realized at the factory.
- Machine delivered with electrical cabinet, controls, sensors
and probes mounted, all the electrical connections tested
in the factory.
GasCO2OL
A range of CO2 gascoolers from 10 to 1000 kW, with the GasCO2OL
Soprano, Alto, and Tenor.
- Environmental efficiency: EC fans in standard.
- Security: unit factory tested at 130 bar.
- Robustness: Stainless steel collectors and pipes with special alloy.
FlexiCO2OL
- CO2 subcritical low temperature rack from 6 to 147 kW.
- Latest generation of CO2 compressor "Octagone SL" with high COP.
- Cascade plate heat exchanger equipped with an electronic expansion valve.
- Liquid receiver located upstream to protect the cascade exchanger.
- Electronic oil level controller.
- Electrical cabinet with front access.
CombiCO2OL
Cascade R134a/CO2 subcritical rack.
- Modular and compact solution combining a low temperature CO2 rack
from 3 kW to 55 kW, coupled in cascade to a medium temperature
R134a rack from 18 kW to 180 kW.
- Safe CO2 technology.
- Optimized energy efficiency.
178, rue du Fauge - Z.I. Les Paluds
BP 1152 13782 Aubagne Cedex - France
Website: www.profroid.com
Tél. +33 4 42 18 05 00 - Fax +33 4 42 18 05 02
Manufacturer reserves the right to change any product specifications without notice.
The cover photo is solely for illustration purposes and not contractually binding.