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Approval and certificates

VLZ compressors comply with the following approvals and certificates.

Approvals and

certificates

Low voltage directive

2014/35/EU

Internal free volume

CE

(European Directive)

VLZ code G

EMC Class A Group 1

2014/30/EU

VLZ compressor and drive package

Products

Internal free volume at LP side without oil (lite/cu.inch)

VLZ065

4.7/287

Products

VLZ065

Declaration of conformity ref.

Low voltage directive 2014/35/EU

Contact Danfoss

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AB444226142054en-000101

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Содержание VLZ065

Страница 1: ...Danfoss scroll compressors VLZ065 version B Single R404A R448A R449A CDS drive Application guidelines http cc danfoss com...

Страница 2: ......

Страница 3: ...s 25 Gas pulsation 25 Manage superheat 26 Requirement 26 System evaluation 26 Test criteria and solutions 27 Manage off cycle migration 28 Requirement 28 System evaluation 28 Manage operating envelope...

Страница 4: ...indicates instructions to avoid safety risk This icon indicates instructions to avoid reliability risk The purpose of this guideline is to help customers qualify compressors in the unit You are strong...

Страница 5: ...umption and improving the system s seasonal energy efficiency How do IDVs work Intermediate discharge valves for better efficiency at low pressure ratio Optimized scrolls for better part load efficien...

Страница 6: ...switch 9 B E N G T 065 L Z V Variable speed Family Scroll refrigeration Lubricant POE46 RL46HB lubricant R404A R448A R449A refrigerant Swept volume in cm rev Design pressure ratio T Design optimized f...

Страница 7: ...ted or not coated When the compressor size and mains voltage have been defined in the above selection criteria the code number tables from the Ordering information and packaging section provides the a...

Страница 8: ...ver a wide operating temperature range R448A and R449A are two HFO based refrigerants with similar properties Both have a GWP below 1500 and comply with the EU F gas regulation They can be used as alt...

Страница 9: ...ation and avoid false alarms Lack of oil Relay between 2 and 4 will be opened internally output is open LED in sensor is red Enough oil Relay between 2 and 4 will be closed internally output is closed...

Страница 10: ...61 10 28 190 5 7 5 190 5 7 5 8590007 Unified VLZ065 183 5 7 22 436 17 17 403 15 87 261 10 28 190 5 7 5 190 5 7 5 8590013 VLZ065G H H1 D H2 L2 L1 H H1 D H2 L2 L1 Single version Unified version EMC brac...

Страница 11: ...and condition 2 Schrader The oil fill connection and gauge port is a 1 4 male flare connector incorporating a Schrader valve Compressor models Brazed connection size Rotolock adaptor set adaptor gask...

Страница 12: ...2 4 150 5 9 120 4 7 255 10 12 6 0 5 7 0 28 8 5 0 33 9 5 20 9 A1 Including decoupling plate The dimensions are only for the physical units but when installing in an application it is necessary to add s...

Страница 13: ...erating current is the max continuous current output from drive to compressor within operating map MOC is tested at max load condition with nominal voltage MOC is printed on the nameplate it can be us...

Страница 14: ...gn ambient temperature the wire material current etc Wire sizes Below table lists maximum wiring sizes for the motor compressor power supply cables from network to drive from drive to to compressor Ci...

Страница 15: ...protection The compressor terminal box IP rating according to IEC529 is IP22 IP rating Element Numerals or letters Meaning for the protection of equipment First characteristic numeral 0 1 2 3 4 5 6 Ag...

Страница 16: ...ctive 2014 35 EU Internal free volume CE European Directive VLZ code G EMC Class A Group 1 2014 30 EU VLZ compressor and drive package Products Internal free volume at LP side without oil lite cu inch...

Страница 17: ...g periodic maintenance Remove dust off the heat sink and fans and clean the filter mats For optimal cooling conditions mount the drive on vertical position Allow a free air passage above and below the...

Страница 18: ...e the drive under direct sunlight Insulation inside the electrical panel can reduce impact of sun radiation Test at the unit at highest ambient maximum load is recommended Look for over temperature dr...

Страница 19: ...per grounding Motor cables should be as short as possible to reduce noise level and leakage currents Use the decoupling plate to fix and terminate cables Refer to EMC correct installation of a frequen...

Страница 20: ...sure Suc on pressure Low pressure switch Discharge gas thermostat Unit controller 0 to 10V DC speed signal Drive Alarm Feedback Digital input HP Highpressure switch Digital input Digital input Analog...

Страница 21: ...l recommendations are described in the figures below 3 Piping should be designed with adequate three dimensional flexibility to avoid excess vibration It should not be in contact with the surrounding...

Страница 22: ...ments Compressors used in single applications must be mounted with flexible grommets During operation the maximum inclination from the vertical plane must not exceed 7 degrees All compressors are deli...

Страница 23: ...to use to guarantee oil return Single compressor 1 Since each installation is unique test cannot validate the oil return Oil separator is mandatory 2 Pay special attention to Piping design on field 3...

Страница 24: ...60 79 7 120Z5084 110 88 8 Sound power and attenuation are given at ARI conditions measured in free space Attenuation given with acoustic hood Materials are UL approved Mitigations methods We can cons...

Страница 25: ...ll resonant frequencies between min speed to maximum speed will be exited It is mandatory to check that piping vibrations are acceptable across speed range This test can be done by increasing slowly s...

Страница 26: ...ck can cause oil dilution and in extreme situations lead to liquid slugging that can damage compression parts Requirement System evaluation In steady state conditions the expansion device must ensure...

Страница 27: ...ng must be carried out under expansion valve threshold operating conditions Lowest foreseeable evaporation and highest foreseeable condensation Minimum speed running For reversible system perform test...

Страница 28: ...ic expansion valve EXV must close when system stops including in power shut down situation Since each installation is unique refrigerant charge may vary Belt type heater Liquid Line Solenoid Valve pum...

Страница 29: ...high pressure side according to PED regulation Recommended pump down switch settings 1 5 bar below nominal evap Condensing temperature C Evaporating temperature C Evaporating temperature F Condensing...

Страница 30: ...g On top of suction and discharge pressure limitations the discharge T must remain below 135 C 275 F Low pressure switch and high pressure switch remain necessary as an ultimate protection The whole e...

Страница 31: ...g pressure control Minimum pressure ratio LP switch setting 3300 6600RPM DGT Multiple envelope control Speed range 3000 allowed Test N Purpose Test condition Pass criteria Solutions 1 Check reaction o...

Страница 32: ...tion as shown on the right DGT installation must respect below requirements The thermostat must be attached to the discharge line within 150 mm 5 91 inch from the compressor discharge port and must be...

Страница 33: ...nditions to guarantee the valve closes enough on the min and opens far enough on the max Complementary to MOP the unit controller can increase compressor speed to keep evaporating T lower than limit I...

Страница 34: ...ning 1800 RPM within a certain duration 60 3 41 Ramp 1 ramp up time It is used to define speed ramp up slope Speed ramp up slope is defined under condition that increases compressor speed from 0 rpm t...

Страница 35: ...otation protection With variable capacity systems an electronic expansion valve EXV is the strongly recommended solution to handle refrigerant mass flow variations Danfoss recommends the use of ETS pr...

Страница 36: ...back and status message A feedback signal can be routed back to the unit controller via programable digital output relay_2 or Modbus when an oil boost is initiated The unit controller can take actions...

Страница 37: ...parameters Description Default Range 28 10 Oil return management Enables disables Oil Return Management Enable On Off 28 11 Low speed running Threshold for boost decision 120 min 1 1440 min 28 12 Fixe...

Страница 38: ...p 2 Protection If the oil is still lower than the limit after having completed step 1 or if the oil level drips again within a time TD2 the controller must move forward in protection mode and stop the...

Страница 39: ...Enter condition Low oil level in VS compressor detected by oil level sensor AND t1 TD1 Oil boost duration exceeds TD1 OR t2 TD2 Interval between two Oil boost is TD2 Cancel condition Manual Reset Cont...

Страница 40: ...sors are delivered with 100 ppm moisture level At the time of commissioning system moisture content may be up to 100 ppm During operation the filter drier must reduce this to a level between 20 and 50...

Страница 41: ...g on the top shell Always use one lift ring and discharge tube when lifting the compressor Use lifting equipment rated and certified for the weight of the compressor or compressor assembly A spreader...

Страница 42: ...compressor Use flux in paste or flux coated brazing rod Use brazing rod with a minimum of 5 silver content It is recommended to use double tipped torch using acetylene to ensure a uniform heating of...

Страница 43: ...n each phase and ground Carry out a dielectric strength test by short circuiting terminals L1 L2 and L3 Energize by max 1920 V DC hi pot for code G compressors and 1460 V DC hi pot for code J compress...

Страница 44: ...dicating proper oil return Low foaming in sight glass and compressor sump temperature 10K 18 F above saturation temperature to show that there is no refrigerant migration taking place Acceptable cycli...

Страница 45: ...mpressor only and return it for inspection if under warranty Danfoss cc 000221 Check alarm 30 31 32 Motor phase U missing Motor phase V missing Most probably neither a drive or compressor failure Chec...

Страница 46: ...m 68 36 38 Mains failure Alarm remaining Internal fault Others Safe stop activated by HP High Pressure switch trip Reset high pressure switch and Reset the drive Power shortage while compressor was ru...

Страница 47: ...Dismantle and disposal Danfoss recommends that compressors and compressor oil should be recycled by a suitable company at its site 47 AB444226142054en 000101...

Страница 48: ...cy converter single pack Compressor model Height Width Depth Weight mm inch mm inch mm inch kg lb VLZ065 524 20 6 292 11 5 286 11 3 38 84 Compressor model Nbr Length Width Height Gross Weight Static s...

Страница 49: ...ass RFI class Drive name Sales code T4 380 480V 3ph 50 60Hz VLZ065 CDS803 11kW IP20 H2 CDS803P11KT4 132X3783 Compressor model Equipment version G 380 480V 3ph 50 60Hz Compressor Name Code no VLZ065 Si...

Страница 50: ...tolock nuts 1 1 4 with sleeves and gaskets VLZ065 Multipack 6 Code n Description Application Packaging Pack size 120Z0060 Belt type crankcase heater 65 W 400 V CE mark UL Wire length 1000 mm VLZ065 Mu...

Страница 51: ...h relay All models Single pack 1 Code No Description Application Packaging Pack Size 120Z0581 LCP display Frequency converter 803 VLZ065 code G Single pack 1 120Z0617 LCP kit for remote mounting conta...

Страница 52: ...Accessories Frame Compressor Decoupling plate packaging Pack size H5 VLZ065 120Z0583 Single pack 1 Decoupling plate AS 0010 52 AB444226142054en 000101...

Страница 53: ...53 AB444226142054en 000101...

Страница 54: ...the global leaders in our business and positioned us as distinct variable speed technology specialists Today we operate from engineering and manufacturing facilities spanning across three continents A...

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