Danfoss VZH088-G single Application Manuallines
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Danfoss VZH088-G single Application Manuallines

Inverter scroll compressors, r410a
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Application guidelines
Inverter scroll compressors
VZH088-117-170
single
R410A
http://cc.danfoss.com

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Summary of Contents for Danfoss VZH088-G single

  • Page 1 Application guidelines Inverter scroll compressors VZH088-117-170 single R410A http://cc.danfoss.com...

  • Page 3: Table Of Contents

    Application Guidelines VZH088-117-170 single compressors VZH scroll specificities ......................5 Inverter compressors ......................6 Compressor size ......................................6 Frequency converter variants ................................. 6 Compressor and frequency converter combinations ........................6 Nomenclature and specifications ..................7 Compressor nomenclature ..................................7 Frequency converter nomenclature ..............................7 Technical specifications .......................
  • Page 4 Application Guidelines VZH088-117-170 single compressors Operating conditions ......................41 Application envelopes .....................................41 Short cycle timer function ..................................41 Discharge gas temperature protection function ...........................42 Discharge gas thermostat ..................................42 Oil return management function (single compressor) ........................43 Oil return management in hybrid manifolding ..........................43 High and low pressure protection...............................43 System design recommendations ..................45 Essential piping design considerations .............................45...

  • Page 5: Vzh Scroll Specificities

    Application Guidelines VZH scroll specificities Reinforced high grade cast iron scroll set. 2 ranges for high and low pressure ratio High speed oil circulation minimized by separating oil and gas flows with a sump oil return tube A patented oil injection system ensures optimal efficiency at low speed by improving scroll set sealing...

  • Page 6: Inverter Compressors

    Application Guidelines Inverter compressors Compressor size Inverter technology offers more flexibility 3. Best Seasonal Efficiency Ratio: Select a in compressor selection than fixed speed compressor size which achieves the minimum compressors. Selection of the right inverter system cooling demand at its minimum speed. compressor size can be done by different Ensure that the compressor is able to cover the methods:...

  • Page 7: Nomenclature And Specifications

    Application Guidelines Nomenclature and specifications Compressor nomenclature Variable speed Evolution index Motor protection type Family N: no internal motor protection VZH scroll (protection by drive) Lubricant Equipement version POE lubricant, R410A A: brazed connections, single version refrigerant B: brazed connections, manifold version Oil sight glass Oil level switch Swept volume...

  • Page 8: Technical Specifications

    Application Guidelines Technical specifications Compressor Displacement Swept specifications Oil charge Net weight Compressor model volume 25 rps 50 rps 60 rps 100 rps (dm³) (kg) (cm³/rev) (m³/h) (m³/h) (m³/h) (m³/h) VZH088 88.4 15.4 18.6 30.8 VZH117 116.9 10.1 20.3 24.6 40.6 VZH170 170.2...

  • Page 9: Capacity Tables

    Application Guidelines Technical specifications Capacity at EN12900 rating conditions - High pressure ratio - VZH088AJ - VZH117AJ - VZH170AJ 5300 6600 1.57 8000 1.65 9700 1.71 11700 13900 1.58 4800 2.08 5900 2.05 7300 2.07 8900 2.11 10800 2.14 12800 2.11 15200 1.98...
  • Page 10 Application Guidelines Technical specifications Capacity at ARI rating conditions - High pressure ratio - VZH088AJ - VZH117AJ - VZH170AJ 5700 7000 1.57 8500 1.65 10300 1.71 12400 14800 1.58 5100 2.08 6400 2.05 7900 2.07 9600 2.11 11600 2.14 13800 2.11 16300 1.98...
  • Page 11 Application Guidelines Technical specifications Capacity at EN12900 rating conditions - High pressure ratio - VZH088AG - VZH117AG - VZH170AG 5400 1.47 6600 1.54 8100 1.62 9800 1.68 11800 1.67 14000 1.55 4800 2.04 6000 2.01 7400 2.03 9000 2.08 10800 12900 2.07 15300...
  • Page 12 Application Guidelines Technical specifications Capacity at ARI rating conditions - High pressure ratio - VZH088AG - VZH117AG - VZH170AG 5700 1.47 7100 1.54 8600 1.62 10400 1.68 12500 1.67 14900 1.55 5200 2.04 6500 2.01 7900 2.03 9700 2.08 11600 13900 2.07 16400...
  • Page 13 Application Guidelines Technical specifications Capacity at EN12900 rating conditions - High pressure ratio - VZH088AH - VZH117AH - VZH170AH 5400 6600 8100 9800 11800 14000 4800 6000 7400 9000 10800 12900 15300 17900 4200 5300 6600 8100 9800 11700 13800 16200 4500 5700...
  • Page 14 Application Guidelines Technical specifications Capacity at ARI rating conditions - High pressure ratio - VZH088AH - VZH117AH - VZH170AH 5700 7100 8600 10400 12500 14900 5200 6500 7900 9700 11600 13900 16400 19200 4600 5800 7200 8800 10700 12700 15000 17600 5100 6400...
  • Page 15 Application Guidelines Technical specifications Capacity at EN12900 rating conditions - Low pressure ratio - VZH088BJ - VZH117BJ - VZH170BJ 6000 1.83 7300 1.73 8800 1.64 10500 1.57 12400 1.52 14600 1.48 5100 2.38 6300 7700 2.22 9300 2.14 11100 2.06 13100 15500 1.95...
  • Page 16 Application Guidelines Technical specifications Capacity at ARI rating conditions - Low pressure ratio - VZH088BJ - VZH117BJ - VZH170BJ 6400 1.83 7800 1.73 9400 1.64 11200 1.57 13200 1.52 15600 1.48 5500 2.38 6800 8300 2.22 10000 2.14 11900 2.06 14100 16600 1.95...
  • Page 17 Application Guidelines Technical specifications Capacity at EN12900 rating conditions - Low pressure ratio - VZH088BG - VZH117BG - VZH170BG 6100 7400 8800 1.61 10600 1.54 12500 1.49 14700 1.46 5200 2.34 6400 2.26 7800 2.18 9300 11200 2.03 13200 1.96 15600 1.91 18300...
  • Page 18 Application Guidelines Technical specifications Capacity at ARI rating conditions - Low pressure ratio - VZH088BG - VZH117BG - VZH170BG 6500 7900 9400 1.61 11200 1.54 13300 1.49 15700 1.46 5600 2.34 6900 2.26 8300 2.18 10100 12000 2.03 14200 1.96 16700 1.91 19600...
  • Page 19 Application Guidelines Technical specifications Capacity at EN12900 rating conditions - Low pressure ratio - VZH088BH - VZH117BH - VZH170BH 6100 7400 8800 10600 12500 14700 5200 6400 7800 9300 11200 13200 15600 18300 4300 5400 6700 8100 9800 11700 13900 16300 5500 6900...
  • Page 20 Application Guidelines Technical specifications Capacity at ARI rating conditions - Low pressure ratio - VZH088BH - VZH117BH- VZH170BH 6500 7900 9400 11200 13300 15700 5600 6900 8300 10100 12000 14200 16700 19600 4700 5900 7300 8900 10700 12700 15100 17700 6200 7600 9300...

  • Page 21: Dimensions

    Application Guidelines Dimensions VZH088-G/H single VZH088-G/H manifolded version version Ø224 Ø224 Discharge Discharge 7/8" 7/8" Ø220.8 Ø220.8 Suction 1"1/8 Suction 1"1/8 469.7 469.7 max. max. 436.1 436.1 Ø243 Ø243 219.5 219.5 59.7 78.7 78.7 179.9 15.1 with 15.1 with compression compression oil equalisation 190.5...

  • Page 22: Vzh088-J Single Version

    Application Guidelines Dimensions VZH088-J single version VZH088-J manifolded version Ø224 Ø224 Discharge Discharge 7/8" 7/8" 469.7 max. Ø220.8 220.8 Suction Suction 1"1/8 1"1/8 469.7 max. 436.1 436.1 Ø243 Ø243 219.5 219.5 78.7 78.7 59.7 181.9 15.1 with 15.1 compression with compression oil equalisation 190.5 Ø32 - 1.75"...

  • Page 23: Vzh117-G/H Single Version

    Application Guidelines Dimensions VZH117-G/H single version VZH117-G/H manifolded version Ø224 Ø224 Discharge Discharge 7/8" 7/8" Ø220.8 Ø220.8 Suction Suction 1"3/8 1"3/8 527.2 527.2 max. max. 493.5 493.5 Ø243 262.5 Ø243 262.5 85.6 57.6 85.6 14.4 with 181.9 compression 179.9 14.4 with compression Ø32 oil equalisation 1.75"...

  • Page 24: Vzh117-J Single Version

    Application Guidelines Dimensions VZH117-J single version VZH117-J manifolded version Ø224 Discharge Discharge Ø224 7/8" 7/8" Ø220.8 Ø220.8 Suction Suction 1"3/8 1"3/8 527.2 527.2 max. max. 493.5 493.5 Ø243 Ø243 262.5 262.5 85.6 85.6 57.6 14.4 with 181.9 14.4 with 181.9 compression compression oil equalisation...

  • Page 25: Vzh170-G/H Single Version

    Application Guidelines Dimensions VZH170-G/H single version VZH170-G/H manifolded version Ø266 Ø266 Discharge Discharge 1"1/8 1"1/8 Ø257 Ø257 max. max. Suction Suction 1"5/8 1"5/8 Ø318 301.5 301.5 Ø318 151.5 151.5 92.5 92.5 76.6 76.6 81.6 81.6 279.4 Ø38 oil equalisation 4 holes 2.25"...

  • Page 26: Vzh170-J Single Version

    Application Guidelines Dimensions VZH170-J single version VZH170-J manifolded version Ø266 Ø266 Discharge Discharge 1"1/8 1"1/8 Ø257 Ø257 max. Suction max. Suction 1"5/5 1"5/8 301.5 301.5 Ø318 Ø318 151.5 151.5 92.5 76.6 81.6 92.5 81.6 76.6 oil equalisation Ø38 279.4 2.25" - 12 UN - 2A 279.4 4 holes Ø19 4 holes Ø19...

  • Page 27: Sight Glass / Oil Level Switch

    VZH088 Rotolock 1"3/4 used when compressors are mounted in parallel. VZH117 Rotolock 1"3/4 Contact Danfoss for further details and refer to VZH170 Rotolock 2"1/4 the VZH hybrid manifold guideline (FRCC.PC.049). Oil drain fitting VZH170 are equipped with oil drain connection.

  • Page 28: Cds303 Frequency Converter - Enclosure B1

    Application Guidelines Dimensions CDS303 frequency converter - enclosure B1 380-480 Volts - 15 kW - IP55 housing scale 1:2 Min 100 Air space outlet Air outlet Min 100 Air space inlet Air inlet Mounting base scale 1:2 FRCC.PC.023.A8.02...
  • Page 29 Application Guidelines Dimensions CDS303 frequency converter - enclosure B2 380-480 volts – 18-22 kW - IP55 housing Min 200 Ø19 Air space outlet Scale 1:2 outlet inlet Min 200 Mounting base Air space inlet Scale 1:2 FRCC.PC.023.A8.02...
  • Page 30 Application Guidelines Dimensions CDS303 frequency converter - enclosure B3 380-480 volts - 15 kW - IP20 housing Ø12 Scale 1:2 Min 200 Air space outlet Air outlet Mounting base Min 200 Air inlet Air inlet Scale 1:2 FRCC.PC.023.A8.02...
  • Page 31 Application Guidelines Dimensions CDS303 frequency converter - enclosure B4 380-480 volts – 18-22 kW - IP20 housing 200-240 volts - 15 kW - IP20 housing 525-600 volts - 18-30 kW - IP20 housing Min 200 air space outlet Scale 1:1 outlet inlet Min 200...
  • Page 32 Application Guidelines Dimensions CDS303 frequency converter - enclosure C1 200-240 volts – 15-18-22 kW - IP55 housing scale 1:2 Min 200 Air space outlet Air outlet Min 200 Mounting base Air inlet Air space inlet scale 1:2 FRCC.PC.023.A8.02...
  • Page 33 Application Guidelines Dimensions CDS303 frequency converter - enclosure C3 200-240 volts – 18-22 kW - IP20 housing FRCC.PC.023.A8.02...

  • Page 34: Electrical Data, Connections And Wiring

    Application Guidelines Electrical data, connections and wiring Supply voltage Because VZH compressors are powered by a When having a supply of 230V, 380V or 460V the frequency converter, the mains frequency, 50 or following coefficients must be applied: 60 Hz, is no longer an issue. Only the mains = 0.87* I voltage is to be taken into account.

  • Page 35: Fuses / Circuit Breakers

    Application Guidelines Electrical data, connections and wiring Fuses / circuit breakers Danfoss recommends using the fuses/circuit and are recommended. Other types of circuit breakers listed below to protect service breakers may be used provided they limit the personnel and property in case of component energy to a level equal to or lower than the break-down in the frequency converter.

  • Page 36: Wire Sizes

    Application Guidelines Electrical data, connections and wiring Wire sizes Below table lists recommended wiring sizes for the motor compressor power supply cables. These wiring sizes are valid for a cable length up to 20 m. from drive to from network to compressor to drive From network to frequency converter From frequency converter to compressor...

  • Page 37: Emc Correct Installation Of An Ip20 Frequency Drive Cds303

    Application Guidelines Electrical data, connections and wiring EMC correct installation of an IP20 frequency drive CDS303 EMC qualification reports are available upon request to Danfoss technical support. PLC etc. Panel Grounding rail Cable insulation stripped Min. 0.025 in ² (16 mm²)

  • Page 38: Wiring Connections

    Application Guidelines Electrical data, connections and wiring Wiring connections T1/U T2/V T3/W Ana out COM Ana out + Ana out +10 V 230V or 24V Ana in 0 ± 10 V ～ Ana in 0 ± 10 V 2 A max Ana in COM +24V +24V...

  • Page 39: Electrical Connections

    Application Guidelines Electrical data, connections and wiring Electrical connections Electrical power is connected to the compressor The cable gland has to be of EMC design to terminals by Ø 4.8 mm (3/16") screws. The garanty a good grounding of the armored cable. maximum thightening torque is 3 Nm.

  • Page 40: Approvals And Certificates

    PS - service pressure LP 33.3 bar(g) 33.3 bar(g) 30.2 bar(g) Low voltage directive Products VZH088-117-170 2014/35/EU Declaration of conformity Contact Danfoss ref. Low voltage Directive 2014/35/EU Internal free volume Products Internal free volume at LP side without oil (litre) VZH088 12.7 VZH117 15.1 VZH170 29.9...

  • Page 41: Operating Conditions

    Application Guidelines Operating conditions Application envelopes The operating envelopes for VZH scroll • To avoid liquid floodback, oil sump superheat compressors are given in the figures below, should also be taken care of. Please refer to where the condensing and evaporating “liquid floodback during operation”...

  • Page 42: Discharge Gas Temperature Protection Function

    Application Guidelines Operating conditions Discharge gas A discharge temperature monitor function can be To activate the discharge temperature monitor temperature protection enabled in the frequency converter. All settings function, with the factory setting, the only function are available in parameter list 28.2x, they are modification required is to connect the sensor factory preset as follow: to Analog Input 54 (4 - 20 mA) between 13 and...

  • Page 43: Oil Return Management Function (Single Compressor)

    Insulation Bracket A DGT accessory is available from Danfoss: refer to accessories pages at the end of this document. Oil return management Insufficient oil level can be the result of oil rpm (50 rps) for too long (as programmed in function (single depositing itself in pipes and heat exchangers.
  • Page 44 (except with pump-down). Danfoss recommend to use ETS products. EXV should be closed, and remained closed, Ramp-up and ramp-down settings, of both EXV and compressor, must be done with great care.

  • Page 45: System Design Recommendations

    Application Guidelines System design recommendations Essential piping design The working pressure in systems with R410A is drops and acceptable minimum gas velocities, considerations about 60% higher than in systems with R22 or the refrigerant piping must be reduced in size R407C.

  • Page 46: Oil Management

    In order to prevent compressors from breaking piping (long line set, U trap…), multiple heat down due to oil level issues, Danfoss requires the exchangers and elevation changes. use of an oil separator in all long piping systems, particularly for split systems.
  • Page 47 (Orifice Φ2.0) code number 018F6257 “24V (CE)” 50Hz AC” specification 1m 3-core cable solenoil coil code number 018F6282 “220-230V 50/60Hz AC” specification 1m 3-core cable Customers can of course contact Danfoss application engineers for support regarding recommendations in such systems. FRCC.PC.023.A8.02...

  • Page 48: Heat Exchangers

    In this respect, follow the More detailed information can be found in the guidelines given in the section: “Essential piping paragraphs hereafter. Please contact Danfoss design recommendations” in priority. technical support for any deviation from these guidelines.

  • Page 49: Liquid Floodback During Operation

    Application Guidelines System design recommendations Crankcase heater / sump heater: When the A crankcase heater is only effective if capable of compressor is idle, the oil temperature in the sustaining this level of temperature difference. sump of the compressor must be maintained Tests must be conducted to ensure that the at no lower than 10 K above the saturation appropriate oil temperature is maintained under...

  • Page 50: Specific Application Recommendations

    12 K above the reaches a satisfactory level. ambient temperature for air cooled condensers. Note: The minimum condensing pressure must For further information, please contact Danfoss be set at the minimum saturated condensing Technical support. temperature shown in the application envelopes.

  • Page 51: Brazed Plate Heat Exchangers

    Application Guidelines Specific application recommendations An oversized valve may result in erratic control. • The compressors should be run for a This can lead to liquid refrigerant entering the minimum period in order to ensure that the compressor if the expansion valve does not oil has sufficient time to properly return to provide stable refrigerant super-heat control the compressor sump and that the motor has...
  • Page 52 Application Guidelines Specific application recommendations Discharge temperature Heat pumps frequently utilize high condensing temperatures. Operating the compressor at monitoring temperatures in order to achieve a sufficient too high discharge temperatures can result temperature rise in the medium being heated. in mechanical damage to the compressor as At the same time, they often require low well as thermal degradation of the compressor evaporating pressures to obtain sufficient...

  • Page 53: Defrost Cycle Logic

    4 way valve components recommendations, in particular 4 moving. way valve Max. Operating Pressure Differential. Danfoss recommend above defrost cycle logic, Opening degree and time have to be set in order but the control logic is also system specified. Suction line accumulator...

  • Page 54: Sound And Vibration Management

    Acoustic hoods are available from Danfoss as accessories. These hoods are quick Use of sound-insulation materials on the inside of and easy to install and do not increase the overall unit panels is an effective means of substantially size of the compressors to a great extend.

  • Page 55: Installation

    Application Guidelines Installation Each compressor is shipped with printed http://instructions.cc.danfoss.com instructions for installation. These instructions can also be downloaded from: Compressor handling Each VZH scroll compressor is equipped with When the compressor is mounted as part of an installation, never use the lift rings on the two lift rings on the top shell.

  • Page 56: System Cleanliness

    For servicing of existing installations where acid formation is present the Danfoss DCL solid core filter driers containing activated alumina are recommended. Brazing and soldering...

  • Page 57: High Voltage Test

    For specific applications not covered herein, please contact Danfoss for further information. High voltage test On M Ohm 2000 M Ohm 200 2000MOhm M ohm...

  • Page 58: System Pressure Test

    The best location is on the Refer to news bulletin FRCC.EN.050 “Danfoss liquid line between the condenser outlet and the Commercial Compressors recommended filter drier.

  • Page 59: Commissioning

    If any deviation is observed, this means that some oil is trapped in the system, heat exchangers and/or pipes. Always use original Danfoss POE oil 160SZ from new cans. The CDS303 frequency converter integrates an oil recovery management algorithm which needs Top-up the oil while the compressor is idle.

  • Page 60: Troubleshooting

    Setting Error(s) cable Check VZH Come back to Motor resistance factory settings and isolation Correct Incompatibility the fault Between Software & Mains shut-off Additional option before checking ! Contact your Local Danfoss Reset & start March, 2014| Commercial Compressors FRCC.PC.023.A8.02...
  • Page 61 Check main power supply Check power voltage supply voltage Power normal Set 14-11 to lower value Internal components damage Too high or Reset & start too low Contact your Local Danfoss Turn off power Reset & start March, 2014| Commercial Compressors FRCC.PC.023.A8.02...
  • Page 62 Application Guidelines Troubleshooting Check alarm # (Continue) Start failed Speed limit (low) Wrong wiring of U/V/W Minimum speed not reached after 2 sec. Compressor bearing wear Compressor stopped, similar reason as A49 Compressor stopped Automatic restart after 30s Automatic restart after 30s 10 restarts before blockage...

  • Page 63: Ordering Information And Packaging

    Application Guidelines Ordering information and packaging Kit ordering and shipping The tables on the following pages give code compressor and CDS303 frequency converter kit numbers for ordering purposes for the VZH packed and shipped separately. Packaging Compressor single pack Height Width Depth Weight...
  • Page 64 Application Guidelines Ordering information and packaging X = Motor code Compressors industrial pack Compressor model Technical Name Code G Code J VZH088AXANA 120G0078 120G0080 VZH088BXANA 120G0079 120G0081 VZH088 VZH088AXBNA 120G0090 120G0092 VZH088BXBNA 120G0091 120G0093 VZH117AXANA 120G0082 120G0084 VZH117BXANA 120G0083 120G0085 VZH117 VZH117AXBNA 120G0094...

  • Page 65: Vzh Voltage Code G - 380-480 Volt

    Application Guidelines Ordering information and packaging VZH voltage code G - 380-480 Volt Frequency converter Compressor model Code n° for Model & power IP class RFI class Coating ordering 134G3576 134G3577 IP20 134F9366 134G3578 CDS303 VZH088-G 15.0kW 134G4008 134G4010 IP55 134G4012 134G4013 134G3579...

  • Page 66: Vzh Voltage Code J - 200-240 Volt

    Application Guidelines Ordering information and packaging VZH voltage code J - 200-240 Volt Frequency converter Compressor model Code n° for Model & power IP class RFI class Coating ordering 134G3474 IP20 134F9361 134X1964 CDS303 VZH088-J 15.0kW 134G4001 IP55 134G4002 134G3585 IP20 134F9363 134X1965...

  • Page 67: Accessories

    Application Guidelines Accessories Valves, adapters, connectors & gaskets for use on suction and discharge connections Solder sleeve adapter sets Type Code n° Description Application Packaging Pack size 120Z0125 Solder sleeve adapter set (1"3/4 Rotolock, 1"1/8 ODF), VZH088 Multipack (1"1/4 Rotolock, 7/8" ODF) Solder sleeve adapter set (1"3/4 Rotolock, 1"3/8 ODF), 120Z0405 VZH117...

  • Page 68: Spare Parts Frequency Converter

    Application Guidelines Accessories Mounting kits Type Code n° Description Application Packaging Pack size Mounting kit for 1 scroll compressor including 4 120Z0066 VZH088-117 Single pack grommets, 4 sleeves, 4 bolts, 4 washers Mounting kit for 1 scroll compressor including 4 8156138 VZH170 Single pack...
  • Page 69 Application Guidelines Accessories Fans Type Code n° Description Application Packaging Pack size 130B3406 Fan IP55 VZH117 G & J Single pack Control card Type Code n° Description Application Packaging Pack size 130B5667 Control card Frequency converter / all models Single pack Accessory bags Type Code n°...
  • Page 70 Application Guidelines Updates Previous version Current version • Page 10-21: Table header “Freq. (Hz)” • Page 9-20: Change the header from “Freq. (Hz)” to “rps” • Page 28: Bracket photos • Page 27: Added drive type beside the bracket photos •...
  • Page 72 Our products can be found in a variety of applications such as rooftops, chillers, residential air conditioners, heatpumps, coldrooms, supermarkets, milk tank cooling and industrial cooling processes. http://cc.danfoss.com Danfoss Commercial Compressors, BP 331, 01603 Trévoux Cedex, France | +334 74 00 28 29 FRCC.PC.023.A8.02 © Danfoss | DCS (CC) | 2017.01...

This manual is also suitable for:

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