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Bitzer Germany 4EES-4Y

Refrigerant R134a

Compressor Model4EES-4Y
ModeRefrigeration and air conditioning
RefrigerantR134a
Reference temperatureDew point temp.
Evaporating SST-10,00 °C
Condensing SDT45,0 °C
Liq. subc. (in condenser)0 K
Suction gas temperature20,00 °C
Operating modeAuto
Power supply400V-3-50Hz
Capacity control100%
Useful superheat100%
Capacity steps100%
Cooling capacity6,78 kW
Evaporator capacity6,78 kW
Power input2,8 kW
Current (400V)5,35 A
Voltage range380-420V
Condenser capacity9,58 kW
COP/EER2,42
Mass flow158,7 kg/h
Operating modeStandard
Discharge gas temp. w/o cooling98,8 °C
Technical Data
Displacement (1450rpm 50Hz)22,72 m3/h
Displacement (1750rpm 60Hz)27,42 m3/h
No. of cylinder x bore x stroke4 x 46 mm x 39,3 mm
Weight93 kg
Max. pressure (LP/HP)19 / 32bar
Connection suction line28 mm - 1 1/8''
Connection discharge line16 mm - 5/8''
Oil type R134a/R407C/R404A/R507A/R407A/R407FBSE32(Standard) | R134a tc>70øC: BSE55 (Option)
Oil type R22 (R12/R502)B5.2 (Option)
Oil type R1234yfBSE32 (Standard) | R1234yf tc>70øC : BSE55 (Option)
Oil type R1234zeBSE55 (Standard) | to>15øC: BSE85K (Option) | tc>70øC: BSE85K (Option)
Oil type R454C/R455ABSE32 (Standard)
Oil type R515BBSE55 (Standard) | to>15øC: BSE85K (Option) | tc>70øC: BSE85K (Option)
Motor Data
Motor version2
Motor voltage (more on request)380-420V Y-3-50Hz
Max. operating current12.2 A
Starting current (Rotor locked)53.5 A
Max. power input6,9 kW
Extent Of Delivery (Standard)
Motor protectionSE-B3 (Option), SE-B2 (Option), CM-RC-02 (Standard)
Enclosure classIP66
Vibration dampersStandard
Oil charge2,00 dm3
Discharge shut-off valveStandard
Suction shut-off valveStandard
Available Options
Discharge gas temperature sensorOption
Capacity control100-50% (Option)
Capacity Control - infinite100-10% (Option)
Additional fanOption
Oil heater0..120 W PTC (Option)
Oil level monitoringOLC-K1 (Option)
Sound Measurement
Sound power level (-10øC / 45øC)71,6 dB(A) @ 50Hz
Sound power level (-35øC / 40øC)72,5 dB(A) @ 50Hz
Sound pressure level @ 1m (-10øC / 45øC)63,6 dB(A) @ 50Hz
Sound pressure level @ 1m (-35øC / 40øC)64,5 dB(A) @ 50Hz

Refrigerant R404a

Compressor Model4EES-4Y
ModeRefrigeration and air conditioning
RefrigerantR404A
Reference temperatureDew point temp.
Evaporating SST-10,00 øC
Condensing SDT45,0 øC
Liq. subc. (in condenser)0 K
Suction gas temperature20,00 øC
Operating modeAuto
Power supply400V-3-50Hz
Capacity control100%
Useful superheat100%
Capacity steps100%
Cooling capacity11,57 Kw
Evaporator capacity11,57 Kw
Power input5,34 Kw
Current (400V)8,97 A
Voltage range380-420V
Condenser capacity16,91 Kw
COP/EER2,17
Mass flow347 kg/h
Operating modeStandard
Discharge gas temp. w/o cooling93,8 øC
Technical Data
Displacement (1450rpm 50Hz)22,72 m3/h
Displacement (1750rpm 60Hz)27,42 m3/h
No. of cylinder x bore x stroke4 x 46 mm x 39,3 mm
Weight93 kg
Max. pressure (LP/HP)19 / 32bar
Connection suction line28 mm - 1 1/8''
Connection discharge line16 mm - 5/8''
Oil type R134a/R407C/R404A/R507A/R407A/R407FBSE32(Standard) | R134a tc>70øC: BSE55 (Option)
Oil type R22 (R12/R502)B5.2 (Option)
Oil type R1234yfBSE32 (Standard) | R1234yf tc>70øC : BSE55 (Option)
Oil type R1234zeBSE55 (Standard) | to>15øC: BSE85K (Option) | tc>70øC: BSE85K (Option)
Oil type R454C/R455ABSE32 (Standard)
Oil type R515BBSE55 (Standard) | to>15øC: BSE85K (Option) | tc>70øC: BSE85K (Option)
Motor Data
Motor version2
Motor voltage (more on request)380-420V Y-3-50Hz
Max. operating current12.2 A
Starting current (Rotor locked)53.5 A
Max. power input6,9 kW
Extent Of Delivery (Standard)
Motor protectionSE-B3 (Option), SE-B2 (Option), CM-RC-02 (Standard)
Enclosure classIP66
Vibration dampersStandard
Oil charge2,00 dm3
Discharge shut-off valveStandard
Suction shut-off valveStandard
Available Options
Discharge gas temperature sensorOption
Capacity control100-50% (Option)
Capacity Control - infinite100-10% (Option)
Additional fanOption
Oil heater0..120 W PTC (Option)
Oil level monitoringOLC-K1 (Option)
Sound Measurement
Sound power level (-10øC / 45øC)71,6 dB(A) @ 50Hz
Sound power level (-35øC / 40øC)72,5 dB(A) @ 50Hz
Sound pressure level @ 1m (-10øC / 45øC)63,6 dB(A) @ 50Hz
Sound pressure level @ 1m (-35øC / 40øC)64,5 dB(A) @ 50Hz

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