Hanbell RC2-AVI Series страница 15 Скачать руководство пользователя | Manualshive

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Содержание RC2-AVI Series

Страница 1: ...4 Compressor lifting and installation 10 4 1 Compressor lifting 10 4 2 Compressor mounting 10 4 3 Compressor outline 12 4 4 Accessories 18 5 Electrical data and design 30 5 1 Motor design 30 5 2 Elect...

Страница 2: ...until shipment RC2 AVI series compressor is equipped with liquid injection connector economizer port PTC motor temperature thermistors discharge temperature thermistors motor protector oil level switc...

Страница 3: ...Bearing seat s cover plate 21 Suction bearings 29 Power bolt 6 Motor rotor washer 14 Modulation slide valve 22 Oil filler cartridge 30 Motor cable cover plate 7 Motor rotor spacer ring 15 Slide valve...

Страница 4: ...charge bearings 26 Oil heater 9 Oil separator cartridge 18 Discharge fixed ring 27 Refrigeration Lubricant Figure 2 1 3 RC2 1020AVI RC2 1270AVI Item Description Item Description Item Description Item...

Страница 5: ...nt gas going through the motor providing high efficiency under different operating conditions Its winding and insulation is specially made for variable speed drive applications Long life bearings and...

Страница 6: ...ity modulation of RC2 AVI is achieved by the variation of motor s rotation speed Compared to modulation by slide valve adjustable rotation speed through VFD significantly enhances efficiency of compre...

Страница 7: ...orking condition CR Pd Ps Pi Vi k Vi Vs Vd Where CR system compression ratio Pi internal compression ratio Vi internal volume ratio Pd system pressure absolute pressure Pd discharge pressure absolute...

Страница 8: ...aturated suction and discharge operating conditions for continuous operation over extended periods of time It is important to operate within these limits to maintain proper compressor life Operating a...

Страница 9: ...n extra oil pump which is necessary for reciprocating compressors However in some special applications it is still necessary to install an extra oil pump to screw compressors for safety Bearings insta...

Страница 10: ...sture inside the system it is suggested to clean the system by charging it with dry Nitrogen and then vacuum it repeatedly as long as possible 4 It is a must to change oil especially if the motor has...

Страница 11: ...ounting The installation of the compressor in the refrigeration system should be made accessible and make sure that the chiller base or site is far enough from the heat source to prevent heat radiatio...

Страница 12: ...ll also recommends use of a copper tube in discharge piping to best minimize abnormal vibration and noise 3 Remove the oxidized impurities swarf or debris caused by welding in the piping tubes if thes...

Страница 13: ...12 4 3 Compressor outline SI mm Imperial in UNIT...

Страница 14: ...13 UNIT SI mm Imperial in...

Страница 15: ...14...

Страница 16: ...15...

Страница 17: ...16 SI mm Imperial in UNIT...

Страница 18: ...17...

Страница 19: ...vel switch Oil drain valve Liquid injection system solenoid valve expansion valve Liquid injection system solenoid valve stop valve Horizontal check valve External oil separator External oil filter Oi...

Страница 20: ...iping requirements alternative horizontal check valve is accessible Dia Dimension unit mm A B C D E F G H I 2 102 4 65 91 53 70 90 85 6 3 138 4 95 121 80 100 120 108 6 4 163 4 120 146 96 125 145 123 6...

Страница 21: ...ns are not indicated in purchasing orders Hanbell will provide standard type Suitable piping of customers choice is also shown in the table below If non standard bushing is needed please double check...

Страница 22: ...2 3 90 2 103 Suction Copper 2 5 8 76 145 50 67 87 3 76 6 87 3 1 8 79 8 90 3 5 8 92 4 103 4 102 112 4 1 8 105 1 116 Steel 3 90 2 105 3 1 2 102 8 117 4 115 6 128 RC2 620AVI Discharge Copper 2 66 120 45...

Страница 23: ...module to monitor the motor coil temperature and the discharge temperature as well If the temperature in one of the positions monitored exceeds the nominal response temperature of the respective PTC...

Страница 24: ...start and poor lubrication due to too low viscosity of lubrication oil In addition Hanbell also offers 300W oil heater to keep adequate lubricant oil temperature for large external oil separator and a...

Страница 25: ...ch Figure 4 13 Oil level switch on a compressor Figure 4 14 Oil level switch on an external oil separator g Oil drain valve Oil drain valve is installed in a compressor to drain out oil for maintenanc...

Страница 26: ...KOKI JBE E60HFKT 1 j Liquid injection system solenoid valve stop valve This simple liquid injection system adjusts amount of liquid injection by stop valve suitable for application with level load and...

Страница 27: ...PCS 8 Oil heater 150W 150W 150W 150W 150W 300W 300W 9 Oil drain valve 1 4 Flare 10 Oil temp protection option 1 8 NPTF 11 Safety valve option 1 2 1 2 1 2 1 1 1 1 2 1 1 2 Dimensions No OS40 OS50 OS65 O...

Страница 28: ...e RC2 140 260 300 340 410 430 470 3130 3240AA 5 8 5 8 RC2 550 620 830 10201270 3131 3240AA 3 4 3 4 m Oil flow switch Oil flow switch operates in oil return line between external oil separator and comp...

Страница 29: ...provide suitable liquid injection as shown in the diagram below s Condensor s Evaporator Dryer Chiller in Chiller out W U Earth Bolt V B Pt100 Pt1000 Optional A PTC Z Y X B A Controller Electric Plate...

Страница 30: ...r to act normally Under such working condition compressor might have difficulties to load itself Oil supply to bearings and internal cooling might be not enough which will cause severe damage to those...

Страница 31: ...eral connection diagram of inverter is shown in Figure 5 1 An AC reactor should be installed between the power supply and the inverter in order to prevent power system from serious breakdown Figure 5...

Страница 32: ...0 Optional Motor thermistors and discharge thermistors are temperature sensors with quick response while the temperature approach to their set point thermistors must be connected in series to a contro...

Страница 33: ...ow the nameplate of compressor 3 Acceleration 50 60 sec from 0Hz to 50Hz deceleration vice versa 6 Compressor motor 1 Motor temperature from Pt100 1000 1 Temperature meter should be correct In additio...

Страница 34: ...olt wet or frosty Check if the VFD settings are correct or not Motor power terminal or bolt bad or dusty Bad insulation of magnetic contactors Acidified internal refrigeration system Motor coil runnin...

Страница 35: ...oil Improper system piping Check and correct the piping or install an external oil separator Liquid fills back Maintain suitable suction superheat at compressor Lack of refrigerant Check for leaks Cha...

Страница 36: ...hen the initial startup the loading of the chiller is heavy due to the high temperature of chilled water so the liquid injection devices capacity should be selected or calculated enough to reduce the...

Страница 37: ...coil temperature is high This may lead to motor failure Therefore in applications mentioned above Pt100 or Pt1000 for liquid injection to motor is recommended instead Figure 7 3 Liquid injection high...

Страница 38: ...but results in high water usage An indirect cooling system uses a pump to circulate the cooling medium and a cooling tower or evaporative cooler to reject heat from the cooling medium The basic water...

Страница 39: ...r 6 Flow switch 11 Dryer 2 Compressor 7 Oil filter 12 Secondary cooler 3 Check valve 8 Oil cooler 13 Muffler 4 Sight glass 9 Expansion valve 5 Solenoid valve 10 Oil separator 7 3 Oil pump application...

Страница 40: ...in the suction side When doing the pump down be sure to take notice of the items listed below a Pump down should be done once each time as it may be dangerous to the compressor compression chamber for...

Страница 41: ...Calculate button Refrigerant type Compressor model Power supply default is 380V 3 50Hz Evaporating SST default is 5 C Condensing SCT default is 40 C Additional cooling method oil cooler or liquid inj...

Страница 42: ...our factory prior to delivery The screw compressors are manufactured by quality materials and under warranty for 1 One year after completion of installation and commissioning at jobsite 2 18 months f...

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