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Single compressors

Trouble shooting

06/03/2015 page 3

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06/03/2015 page 4

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FRCC.PC.034.A2.02

Application Guidelines

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Содержание VZH028

Страница 1: ...Inverter scroll compressors VZH028 035 044 single R410A Application guidelines http cc danfoss com...

Страница 2: ......

Страница 3: ...Content VZH028 035 044 single compressors 4 3 FRCC PC 034 A2 02 Application Guidelines...

Страница 4: ...ualization connection 15 Suction discharge connections 15 Frequency converter dimensions 15 CDS803 frequency converter 16 Electrical data connections and wiring 17 Supply voltage 17 Compressor electri...

Страница 5: ...igeration or air conditioning system 35 Compressor sound radiation 35 Mechanical vibrations 35 Speed by pass 35 Gas pulsation 35 Installation 36 Compressor handling 36 Mounting 36 Removing connections...

Страница 6: ...e valves for better efficiency at low pressure ratio Scrolls with optimized volume ratio lead to better heat pump application New distributed IPM motor lead to higher power factor Linear control oil p...

Страница 7: ...in the following pages Detailed performances can be found in datasheets and in selection programs Compressor size Different frequency converter variants are available according to 1 Mains supply volt...

Страница 8: ...drive Equipement version A brazed connections single version B brazed connections manifold version Motor voltage code to CDS803 G 380 480V 3 50 60 Hz J 200 240V 3 50 60 Hz main supply voltage to frequ...

Страница 9: ...s for 19 minutes the internal lubrication algorithm in the drive will accelerate the compressor speed to 40 rps or above for 60 seconds to ensure sufficient lubrication of compressor moving parts Warn...

Страница 10: ...22 1 751 15692 1 505 18484 1 146 21622 0 657 45 2891 2 799 3718 2 795 4687 2 833 5819 2 895 7137 2 965 8665 3 022 10424 3 051 12437 3 033 14727 2 95 17316 2 784 65 4760 4 349 5851 4 408 7121 4 487 859...

Страница 11: ...0 657 45 3198 2 799 4106 2 795 5168 2 833 6407 2 895 7849 2 965 9517 3 022 11436 3 051 13630 3 033 16123 2 95 18941 2 784 65 5703 4 349 6988 4 408 8483 4 487 10212 4 566 12199 4 628 14469 4 655 6000 1...

Страница 12: ...1 884 13222 1 734 15692 1 49 18484 1 135 21622 0 65 45 2891 2 771 3718 2 767 4687 2 805 5819 2 867 7137 2 935 8665 2 993 10424 3 021 12437 3 003 14727 2 921 17316 2 757 65 4760 4 306 5851 4 365 7121 4...

Страница 13: ...5 23057 0 65 45 3198 2 771 4106 2 767 5168 2 805 6407 2 867 7849 2 935 9517 2 993 11436 3 021 13630 3 003 16123 2 921 18941 2 757 65 5703 4 306 6988 4 365 8483 4 442 10212 4 52 12199 4 582 14469 4 609...

Страница 14: ...11 Nm 1 Nm 11 164 5 Suction line 3 4 Organ pipe fitting Schrader valve and cover Overall height Top of sensor bracket 404 4 360 4 230 5 55 0 42 5 78 0 11 239 190 5 19 5 4X 95 25 129 5 109 7 Suction l...

Страница 15: ...d on supply voltage IP rating and power The table below gives an overview of the overall dimensions and different drive enclosures H3 H5 Details for each drive enclosure are on the following pages Sig...

Страница 16: ...8 4 7 9 H5 IP20 334 402 314 150 120 255 12 6 7 8 5 9 5 A1 Including decoupling plate The dimensions are only for the physical units but when installing in an application it is necessary to add space...

Страница 17: ...is the current value at maximum load in the operating envelope and at maximum speed and maximum drive input voltage RLA Rated Load Amp Max Operating Current A Wiring connections Max operating current...

Страница 18: ...JJN 60 60 PKZM4 63 3x380 480 V IP20 4 TR VZH028 FRS R 25 KTS R25 JKS 25 JJS 25 25 PKZM4 25 5 TR VZH035 FRS R 25 KTS R25 JKS 25 JJS 25 25 PKZM4 25 6 5 TR VZH044 FRS R 30 KTS R30 JKS 30 JJS 30 30 PKZM4...

Страница 19: ...e metal chassis of the converter Use star washers and galvanically conductive installation plates to secure good electrical connections Refer to instructions MG18N102 for tightening torques and screw...

Страница 20: ...3 A Not present on all power sizes Do not connect shield to 61 01 02 03 relay1 relay2 UDC UDC Motor U V W 06 05 04 240 V AC 3 A EMC correct installation of an IP20 frequency drive CDS803 EMC qualifica...

Страница 21: ...r 4 20mA Analague Input x 55 Com Analague In Out x 12 24V output 18 External On Off NO x x 19 Digital Input 27 Safety Device e g HP LP switch x x 29 Digital Input 20 Com Digital Input 98 To Compressor...

Страница 22: ...ins connection to the CDS803 frequency converter order has no influence on the output phase sequence which is managed by the frequency converter The compressor terminal box IP rating according to IEC5...

Страница 23: ...maximum allowable voltage imbalance between each phase is 3 Voltage imbalance causes high amperage over one or several phases which in turn leads to overheating and possible drive damage Mains imbala...

Страница 24: ...or CE 0038 European Directive All VZH models UL Underwriters Laboratories All VZH models EMC 2004 108 EC All VZH models CCC All VZH models Products Internal free volume at LP side without oil liter V...

Страница 25: ...y controlled by an external main controller it is recommended to limit the start stop frequency to 12 times per hour The operating envelopes for VZH scroll compressors are given in the figures below w...

Страница 26: ...e temperature must be monitored during development test by the equipment manufacturer The compressor must not be allowed to cycle on the discharge gas thermostat Continuous operations beyond the compr...

Страница 27: ...ication compressor speed will boost to 40 rps minimum ORM Boost Speed 28 17 at a fixed time intervals as programmed in parameter 28 12 default 24 hrs any way OEM could set 28 17 to a higher speed such...

Страница 28: ...ircuit The LP switch tolerance must not allow for vacuum operations of the compressor LP switch settings for pump down cycles with automatic reset are also listed in the table below The lock out circu...

Страница 29: ...ing back to the compressor when stopped For Inverter applications with long lines we recommend the use of an oil separator even if it is only the condenser which is far away from the unit Piping must...

Страница 30: ...positive effect of sub cooling on system efficiency will be significantly larger than in R22 R407C systems Furthermore for good operation of the expansion device and to maintain good efficiency in the...

Страница 31: ...han 2 3 bar An external non return valve is recommended to avoid liquid flood back from the high pressure side Liquid receiver Refrigerant charge optimization varies with compressor speed To avoid fla...

Страница 32: ...g pressure must be set at the minimum saturated condensing temperature shown in the application envelopes Under very low ambient conditions in which testing has revealed that the above procedures migh...

Страница 33: ...1 meter of discharge line is necessary to generate this volume To help reduce the gas volume immediately after start up even further the supply of cooling water to the heat exchanger may be opened bef...

Страница 34: ...e compressor will run at 50 rps for at least 1 minute Thus to avoid excessive liquid refrigerant to come back to the compressor sump The use of a suction line accumulator is strongly recommended in re...

Страница 35: ...ust be checked frame piping pipes using cushioned clamps But if some frequencies continue to produce unacceptable vibration levels speed by pass is adjustable in the frequency converter in order to av...

Страница 36: ...s concerning lifting objects of the type and weight of these compressors Maintain the compressor in an upright position during all handling operations When the compressor is mounted as part of an inst...

Страница 37: ...When brazing the compressor fittings do not overheat the compressor shell which could severely damage certain internal components due to excessive heating Use of a heat shield and or a heat absorbent...

Страница 38: ...nd can cause substantial damage to the internal parts of the system and compressor The polyolester oil used in VZH compressors is highly hygroscopic and will rapidly absorb moisture from the air The c...

Страница 39: ...on the liquid line between the condenser outlet and the filter drier Then during commissioning when needed a complement of charge can be done in liquid phase slowly throttling liquid in on the low pr...

Страница 40: ...m filling in the sight glass indicates large concentration of refrigerant in the oil and or presence of liquid returning to the compressor The oil level can also be checked a few minutes after the com...

Страница 41: ...Single compressors Trouble shooting 06 03 2015 page 1 c a s s w c w m s 06 03 2015 page 2 f S mains O e b s a c l o Check HP LP switch Reset start 41 FRCC PC 034 A2 02 Application Guidelines...

Страница 42: ...Single compressors Trouble shooting 06 03 2015 page 3 heating t o m overheating r 06 03 2015 page 4 42 FRCC PC 034 A2 02 Application Guidelines...

Страница 43: ...Single compressors Trouble shooting 06 03 2015 page 5 43 FRCC PC 034 A2 02 Application Guidelines...

Страница 44: ...A 120G0067 VZH044CJAMA 120G0068 Manifold VZH044CGBMA VZH044CJBMA The tables on the following pages give code numbers for ordering purposes for the VZH compressor and CDS803 frequency converter kit pac...

Страница 45: ...O T2 200 240V 3ph 50 60Hz VZH028 CDS803P6K0T2E20H4 134N4260 VZH035 CDS803P7K5T2E20H4 134N4261 VZH044 CDS803P10KT2E20H4 134L9470 T4 380 480V 3ph 50 60Hz VZH028 CDS803P6K0T4E20H4 134N4262 VZH035 CDS803P...

Страница 46: ...Solder sleeve adapter set 1 1 4 Rotolock 3 4 ODF 1 Rotolock 1 2 ODF VZH028 044 Multipack 6 Solder sleeve adapter sets Type Code n Description Application Packaging Pack size 120Z5040 Belt type crankc...

Страница 47: ...VZH028 044 Multipack 10 Spare parts frequency converter Type Code n Description Application Packaging Pack size 120Z0581 LCP Frequency converter all models Single pack 1 120Z0617 LCP kit for remote m...

Страница 48: ...nd positioned us as distinct variable speed technology specialists Today we operate from engineering and manufacturing facilities spanning across three continents FRCC PC 034 A2 02 Danfoss DCS CC 2015...

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