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Danfoss scroll compressors

PSH019 to PSH039

50 - 60 Hz - R410A

Application guidelines

http://cc.danfoss.com

Содержание PSH019

Страница 1: ...Danfoss scroll compressors PSH019 to PSH039 50 60 Hz R410A Application guidelines http cc danfoss com...

Страница 2: ......

Страница 3: ...rature 17 Application envelope 18 Discharge temperature protection 18 High and low pressure protection 18 Liquid Injection 19 Cycle rate limit 20 System design recommendations 21 General 21 Essential...

Страница 4: ...s the entire compression process The centre of the orbiting scroll in grey traces a circular path around the centre of the fixed scroll in black This movement creates symmetrical compression pockets b...

Страница 5: ...69 5 PSH039 38 900 12 19 3 19 170 30 29 60 3 6 72 0 60Hz PSH019 23 600 7 97 2 96 88 40 18 60 3 0 58 5 PSH023 28 000 8 84 3 17 103 50 21 80 3 3 64 5 PSH026 31 400 10 19 3 08 116 90 24 60 3 3 64 5 PSH03...

Страница 6: ...15 Tc Heating W Pe kW Heating W Pe kW Heating W Pe kW Heating W Pe kW Heating W Pe kW Heating W Pe kW Heating W Pe kW Heating W Pe kW Heating W Pe kW PSH019 4 20 10 370 3 48 14 580 3 59 17 310 3 66 2...

Страница 7: ...5 0 5 10 15 Tc Heating W Pe kW Heating W Pe kW Heating W Pe kW Heating W Pe kW Heating W Pe kW Heating W Pe kW Heating W Pe kW Heating W Pe kW Heating W Pe kW PSH019 4 20 12 490 4 00 17 740 4 35 21 07...

Страница 8: ...grommet 224 245 4 hole 19 05 32 oil equalisation 1 75 12 UN 2A 230 2x 230 2x 190 5 2x 190 5 2x 121 206 154 158 30 1 30 0 5 60 1 220 8 Discharge 7 8 Suction 1 1 8 32 oil equalisation Liquid injection 8...

Страница 9: ...Nut Mounting grommet 224 221 493 5 243 4 x hole 19 05 245 32 oil equalisation 1 75 12 UN 2A 230 x2 230 x2 190 5 x2 190 5 x2 Suction 1 3 8 Discharge 7 8 41 190 435 148 86 121 207 154 173 527 2 3 30 0...

Страница 10: ...t Nut Mounting grommet 234 Liquid injection 8 Discharge 7 8 509 232 1 243 245 32 Oil equalisation 1 75 12 UN 2A 15 25 without compression Suction 1 3 8 42 190 450 542 7 3 284 230 2x 230 2x 190 5 2x 19...

Страница 11: ...must be used to mount the oil equalisation line when two or more compressors are mounted in parallel The oil fill connection and gauge port is a 1 4 male flare connector incorporating a Schrader valve...

Страница 12: ...27 PSH030 304 64 56 0 24 PSH034 315 69 64 0 22 PSH039 351 75 71 0 22 Motor code 4 PSH019 98 20 19 1 47 PSH023 142 23 22 1 05 PSH026 142 29 24 1 05 PSH030 147 30 28 0 92 PSH034 158 33 31 0 83 PSH039 1...

Страница 13: ...at 25 C resistance value 7 Winding resistance is generally low and it requires adapted tools for precise measurement Use a digital ohm meter a 4 wires method and measure under stabilised ambient tempe...

Страница 14: ...be connected to a power supply of the appropriate voltage 230VAC with a 2 poles 7 62 mm pitch terminal block an independent power supply is recommended a 1 4 fasten earth connection for 230V supply m...

Страница 15: ...bility of manual reset Use a phase meter to establish the phase orders and connect line phased L1 L2 and L3 to terminals T1 T2 and T3 respectively The compressor will only operate properly in a single...

Страница 16: ...ll 60 Hz PSH models Other approvals certificates Contact Danfoss Products PSH019 to 039 Manufacturer s declaration of incorporation ref Machines Directive 2006 42 EC Contact Danfoss Products PSH019 to...

Страница 17: ...ability in compressors POE oil has better thermal stability than refrigerant mineral oil POE is more hygroscopic and also holds moisture tighter than mineral oil It also chemically reacts with water l...

Страница 18: ...guaranteed Maximum discharge gas temperature 135 C A suction superheat below 5 K is not allowed due to the risk of liquid flood back Maximum suction superheat of 20K A subcooling below 4K is not reco...

Страница 19: ...13 5 44 5 Working pressure range low side 1 7 15 5 Maximum high pressure safety switch setting 45 Minimum low pressure safety switch setting 1 5 Minimum low pressure pump down switch setting 1 7 LP s...

Страница 20: ...unit A three minute 180 sec time out is recommended T T TH TH KA A1 A2 A3 A1 180 s A2 KA Please contact Danfoss Technical Support for any deviation from this guideline The Liquid Injection Valve LIV i...

Страница 21: ...vent oil and refrigerant migration back to the compressor during off cycles In systems with R410A the refrigerant mass flow will be lower compared to R22 R407C systems To maintain acceptable pressure...

Страница 22: ...during off cycle The upper loop also helps avoid condensed liquid refrigerant from draining back to the compressor when stopped Discharge lines Off cycle migration Off cycle refrigerant migration is l...

Страница 23: ...tary or close coupled systems where the system refrigerant charge is expected to be both correct and definable the entire system charge may be stored in the condenser during pump down if all component...

Страница 24: ...asional liquid flood back However system design must be such that repeated and excessive flood back is not possible A continuous liquid flood back will cause oil dilution and in extreme situations lea...

Страница 25: ...a head pressure controller will ensure that the fans remain off until the condensing pressure has reached a satisfactory level Variable speed fans can also be used to control the condensing pressure I...

Страница 26: ...ations The sump heater will minimize refrigerant migration caused by the large temperature gradient between the compressor and the remainder of the system please refer to section Accessories The compr...

Страница 27: ...vaporator which acts as a condenser during the heating cycle This liquid refrigerant can then return to the compressor either flooding the sump with refrigerant or as a dynamic liquid slug when the cy...

Страница 28: ...und power dB A Sound power dB A 50Hz 60Hz PSH019 75 77 PSH023 76 5 78 5 PSH026 77 5 79 PSH030 77 5 79 PSH034 79 81 PSH039 78 80 Sound Power and attenuation are given at 7 50 C condition Running sound...

Страница 29: ...te from the base frame with extensive damage and possible personal injury as a result Never apply force to the terminal box with the intention of moving the compressor as the force placed upon the ter...

Страница 30: ...rs are fixed on the rails using rigid spacer that included in tandem kits code number 7777053 described below Composition of tandem kits code number 7777053 Tandem Kits Ref Description Qty Flat washer...

Страница 31: ...avoid an oil mist blowout Remove the suction plug first and the discharge plug afterwards The plugs shall be removed only just before connecting the compressor to the installation in order to avoid m...

Страница 32: ...f failure Recommended brazing procedures and material are described section Compressor connection Brazing and soldering When brazing copper to copper connections the use of copper phosphorus brazing a...

Страница 33: ...omponent the refrigerant charge must be removed from both the high and low pressure sides Failure to do so may result in serious personal injury Pressure gauges must be used to ensure all pressures ar...

Страница 34: ...e acid formation is present the Danfoss DCL solid core filter driers containing activated alumina are recommended The drier is to be oversized rather than under sized When selecting a drier always tak...

Страница 35: ...de the compressor Model Refrigerant charge limit in the compressor kg PSH019 5 9 PSH023 026 030 034 039 7 9 Insulation resistance and dielectric strength The system must be monitored after initial sta...

Страница 36: ...6 8 1150 950 750 424 2 PSH030 6 8 1150 950 750 440 2 PSH034 6 8 1150 950 750 452 2 PSH039 6 8 1150 950 750 470 2 Nbr number of compressor per pack Full package version Bare compressor version Compress...

Страница 37: ...7 120H0993 PSH034 120H0971 120H0939 120H0995 PSH039 120H0973 120H0941 120H0997 PSH019 Bare compressor 120H0951 PSH023 120H0953 PSH026 120H0955 PSH030 120H0957 PSH034 120H0959 PSH039 120H0961 Compresso...

Страница 38: ...50 P05 8153012 Rotolock connector P05 1 1 4 Rotolock 7 8 ODF Models with 1 1 4 rotolock connection Multipack 10 P05 7953008 Rotolock connector P05 1 1 4 Rotolock 7 8 ODF Models with 1 1 4 rotolock co...

Страница 39: ...E UL PSH019 to 039 Multipack 8 120Z0389 80W 230V surface sump heater CE UL Multipack 8 120Z0390 80W 400V surface sump heater CE UL Multipack 8 120Z0391 80W 460V surface sump heater CE UL Multipack 8 1...

Страница 40: ...56019 Sight glass with gaskets black white All models Multipack 4 8156129 Gasket for oil sight glass 1 1 8 white teflon All models Multipack 10 7956005 Gasket for oil sight glass 1 1 8 white teflon Al...

Страница 41: ...code 4 in nomenclature Page 11 Added Bare compressor version to connection details Page 11 Updated Liquid injection valve with a note Page 14 Updated Wiring connections Page 18 Updated Discharge tempe...

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Страница 44: ...ned us as distinct variable speed technology specialists Today we operate from engineering and manufacturing facilities spanning across three continents FRCC PC 022 A5 02 Danfoss DCS CC 2015 12 Our pr...

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