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1)Adopt world famous Bitzer ECOLINE series semi-hermetic piston compressor,with high reliability; 2)Multi compressors were parallel connected to provide bigger capacity sharing same discharge pipe,suction pipe,condenser, liquid receiver etc; 3)Compact design for easy installation and small installation size; 4)Multi stage energy adjustments according to cooling capacity to save operation cost; 5)Can meet medium and low temperature requires. 6).Other kinds of power supply not mentioned in the specification is optional,such as 220/440/460V-3Phase-60Hz. 7)Appliction: Meat, vegetable, fruit cold storage, food prepare workshop, chemical cold room, medicine cold room, freezer tunnel, blast freezer, walk-in freezer, supermarket food display cabinets, fresh keeping, etc
2.Characteristics:
2.1 Variety of options Piston type 2 compresspr parallel unit Piston type 3 compresspr parallel unit Piston type 4 compresspr parallel unit
Adopted to multiple refrigerant R404a, R507, R407C, R22.
2.2 Stable & Reliable:
The units are equipped with world famous brand high quality compressor and components, following the latest design, the perfect combination provides a safe and reliable system.
The unit comes standard with a controller that can effectively avoid turning on/off the motor frequently as well as safety protection modules including the following: Phase loss protector, Inverted sequence, overvoltage protector, undervoltage protector, oil pressure, high pressure, low pressure, motor overload.
2.3 High efficiency & energy saving
Because of a huge demand difference between seasons for refrigerating capacity, the unit must have a high level control for capacity, so that the unit can keep running under high efficiency mode. The average parallel unit efficiency, according to different refrigeration system is 30% higher than single compressor unit.
Using multiple compressor parallel units can provide a multiple energy level control, the refrigeration output can be dynamically allocated more smoothly according to actual situation. With high efficiency oil separator, only a small amount of lubricating oil enters the system, this largely brings up the heat exchanging efficiency.
2.4 Compact & nimble
Components such as compressor, reservoir, gas-liquid separator, oil separator, electrical control equipment ,etc are all centralized, making sure every inch of the space is fully used.
The unit has a compact structure, the space saved during assembly can provide more space for commercial use, benefiting the end user with extra profit.
3.Technical data
**Air cooled racks-Medium Temp-2 compressor system(R22) Model ESBA~ 20NJR2B 30NJR2B 40NJR2B 50NJR2B 60NJR2B Room Tem range (ºC) -5ºC ~5ºC Refrigerant R22 Power supply 380/400/415V/3Ph/50 HZ Compressor Type Hermetic piston Model 4VES-10 4PES-15 4NES-20 4HE-25 4GE-30 Qty 2 2 2 2 2 Cap. &power Evap T Capacity (W) 41600 57600 68000 90800 105200 - 5ºC power (KW) 14.42 20.1 23.62 31.72 36.56 Evap T Capacity (W) 33300 46000 54400 72800 84800 - 10ºC power (KW) 13.3 18.46 21.76 29.32 33.86 Evap T Capacity (W) 26160 35980 42800 57600 67200 - 15ºC power (KW) 12.04 16.64 19.72 26.66 30.88 Connection Gas in(mm) φ42 φ54 φ54 φ66 φ66 Liquid out(mm) φ22 φ22 φ28 φ28 φ28 Exhaust(mm) φ35 φ35 φ35 φ35 φ35 Liquid in (mm) φ28 φ28 φ28 φ28 φ28 Overall Size L (mm) 2550 2550 2550 2550 2550 W(mm) 1200 1200 1200 1200 1200 H(mm) 1850 1850 1850 1850 1850 Model ESBA~ 70NJR2B 80NJR2B 100NJR2B Room