广州制高冷冻设备有限公司About UsRoom1305, No.236 the sixth Zhongshan Road,Yuexiu district, GuangzhouGuangzhou Zhigao Freeze Equipment Co., Ltd. is a professional manufacture and trading company with over 20 years experiences to provide OEM and one-stop shopping for customers. We have over 24000m2 workshop,show room, retail shops and offices in Guangzhou.The company's leading products include air condensers, various air coolers, refrigeration units and condensing units, etc. They are widely used in hotels, restaurants, supermarkets, food, health, medicine, agriculture and other industries. The products are sold all over the china and in Vietnam, Thailand, Pakistan, Australia , South Africa and other overseas countries. We look forward to working with yo
Bitzer Semi hermetic Compressor 4DC-7.2
Product description
1. Features:
1)High efficiency, Good reliability, Low noise, Low vibration, No leakage
2)Wide range of application
The Compressor uses R22 as refrigerant. R134a, R404a, R407b and R407c are also approved. R12 and R502 are not suggested due to the international environment protection requirement. The machine can be used at a low or high condensing temperature.
3)Excellent performance
The compressor has a scientific structure design, strictly chosen material and precise procession and it is strictly inspected. The factory has obtained the National Compulsory Products CCC Certification, the National Industrial Products Manufacture License, and the ISO9001:2008 International Quality Supervision System Certification.
4)Reliable safety device
The compressor is equipped with motor protector and discharge temperature monitor to prevent the overheat of the motor and the compressor and the operation beyond approved application pressure.
2. Technical Data
| SI | IP |
Motor version | 1 | 1 |
Displacement (1450 RPM 50Hz) | 26,84 m3/h | 947.8 CFH |
Displacement (1750 RPM 60Hz) | 32.39 m3/h | 1143.8 CFH |
No. of cylinder x bore x stroke | 4 x 50mm x 39.3 mm | 4 x 1.97 inch x 1.55 inch |
Motor code | 40S | 4SU |
Motor voltage (more on request) | 220..240V Δ/3/50Hz | 265..290V Δ/3/60Hz |
Max operating current | 15.9A | 15.9A |
Maximum power consumption | 9.0 kW | 9.0 kW |
Starting current (Rotor locked) | 142.8A / 82.4A (Δ/Y) | 88.0A |
Enclosure class | IP65 | IP65 |
Weight | 88.5 kg | 195 lb |
Max. pressure (LP/HP) | 19 / 28 bar | 275 / 400 psi |
Connection suction line | 28 mm | 1 1/8" |
Connection discharge line | 22 mm | 7/8" |
Oil charge | 2.00 dm3 | 70.4 fl oz |
Crankcase heater (self-control) | max. 120 W | max. 120 W |
Oil type R134a // R407A/C/F // R404A // R507A | tc<55°C: BSE32 | tc<130°F: BSE32 |
Oil type R22 R22 (R12 // R502) | B5.2 | B5.2 |
Oil level monitoring | OLC-K1 | OLC-K1 |
Capacity control | 100% / 50% | 100% / 50% |
Start unloading |
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Check valve (for start unloading) |
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Motor protection | SE-B1 | SE-B1 |
Discharge gas temperature sensor |
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Discharge shut-off valve |
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Suction shut-off valve |
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Additional fan |
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Enlarged terminal box |
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Vibration dampers |
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Sound power level (+5°C / 50°C) | 71.0 dB(A) @ 50Hz | 73.5 dB(A) @ 60Hz |
Sound power level (-10°C / 45°C) | 72.0 dB(A) @ 50Hz | 74.5 dB(A) @ 60Hz |
Sound power level (-35°C / 40°C) | (74.0) dB(A) @ 50Hz | (76,5) dB(A) @ 60Hz |
Sound pressure level @ 1m (+5°C / 50°C) | 63.0 dB(A) @ 50Hz | 65.5 dB(A) @ 60Hz |
Sound pressure level @ 1m (-10°C / 45°C) | 64.0 dB(A) @ 50Hz | 66.5 dB(A) @ 60Hz |
Sound pressure level @ 1m (-35°C / 40°C) | (66.0) dB(A) @ 50Hz | (68.5) dB(A) @ 60Hz |
3. We can supply more Bitzer Semi-hermetic compressor models as below:
| Model | Horse power | Displacemet(50hz)m3/h | Qty of cylinder*Diameter*Stoke(mm) |
| 2DC-2.2 | 2 | 13.5 | 2*50*39.3 |
| 2DC-3.2 | 3 | 13.5 | 2*50*39.3 |
| 2CC-3.2 | 3 | 16.2 | 2*55*39.3 |
| 2CC-4.2 | 4 | 16.2 | 2*55*39.3 |
| 4DC-5.2 | 5 | 26.84 | 4*50*39.3 |
| 4DC-7.2 | 7 | 26.84 | 4*50*39.3 |
| 4CC-6.2 | 6 | 32.48 | 4*55*39.3 |
| 4CC-9.2 | 9 | 32.48 | 4*55*39.3 |
| 4TCS-8.2 | 8 | 41.33 | 4*60*42 |
| 4TCS-12.2 | 12 | 41.33 | 4*60*42 |
| 4PCS-10.2 | 10 | 48.5 | 4*65*42 |
| 4PCS-15.2 | 15 | 48.5 | 4*65*42 |
| 4NCS-12.2 | 12 | 56.25 | 4*70*42 |
| 4NCS-20.2 | 20 | 56.25 | 4*70*42 |
| 4H-15.2 | 15 | 73.6 | 4*70*55 |
| 4H-25.2 | 25 | 73.6 | 4*70*55 |
| 4G-20.2 | 20 | 84.5 | 4*75*55 |
| 4G-30.2 | 30 | 84.5 | 4*75*55 |
| 6H-25.2 | 25 | 110.5 | 6*70*55 |
| 6H-35.2 | 35 | 110.5 | 6*70*55 |
| 6G-30.2 | 30 | 126.8 | 6*75*55 |
| 6G-40.2 | 40 | 126.8 | 6*75*55 |
| 6F-40.2 | 40 | 151.6 | 6*82*55 |
| 6F-50.2 | 50 | 151.6 | 6*82*55 |
| S6H-20.2 | 20 | 36.8 | 6*70*55 |
| S6G-25.2 | 25 | 42.3 | 6*75*55 |
| S6F-30.2 | 30 | 50.5 | 6*82*55 |
Reference pictures
Spare parts
Packing
one unit packing with one wooden carton
Factory picture
