Danfoss Performer SH090 Скачать руководство пользователя страница 49

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CC.PC.007.B

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Application guidelines

Accessories

Mounting hardware

Discharge temperature protection

Surface sump heaters

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Appl

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CE & UL

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120Z0390

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Содержание Performer SH090

Страница 1: ...www danfoss com Application guidelines Danfoss scroll compressors SH090 to SH485 single 50 Hz 60 Hz R410A MAKING MODERN LIVING POSSIBLE ...

Страница 2: ......

Страница 3: ...harge temperature protection 25 High and low pressure protection 25 Cycle rate limit 26 System design recommendations 27 General 27 Essential piping design considerations 27 Refrigerant charge limit 28 Off cycle migration 29 Liquid flood back 31 Specific application recommendations 32 Low ambient application 32 Low load operation 33 Brazed plate heat exchangers 33 Electronic expansion valve 33 Rev...

Страница 4: ...he 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 between the two scroll elements Low pressure suction gas is trapped within each crescent shaped pocket as it gets formed continuous motion of the orbiting scroll serves to seal the pocket which decreases ...

Страница 5: ...gn induces higher resistance to liquid slugging The SH485 compressors include additional features for enhanced protection and efficiency integrated discharge gas temperature protection intermediate discharge valves for higher seasonal efficiency patented gas path flow Features SH180 240 295 300 380 485 SH090 105 120 140 161 184 Heat shield that lowers the heat transfer between discharge and suctio...

Страница 6: ...to application guidelines FRCC PC 027 Family lubricant refrigerant SH Scroll POE lubricant for R410A Motor protection L Internal overload protector A Electronic 24V AC B Electronic SH180 230V SH240 300 380 485 115 230V C Customized electrical box J Operating control system 24V AC K Operating control system 230V AC Suction and discharge connections A Brazed connections Family lubricant refrigerant ...

Страница 7: ...27 100 92 500 8 57 3 16 10 79 88 40 18 60 3 0 58 0 SH105 9 32 100 109 500 9 96 3 22 11 00 103 50 21 80 3 3 64 0 SH120 10 36 800 125 400 11 25 3 27 11 15 116 90 24 60 3 3 64 0 SH140 12 42 300 144 300 12 94 3 27 11 15 133 00 27 90 3 3 67 0 SH161 13 47 200 160 900 14 43 3 27 11 15 151 70 31 90 3 3 69 0 SH184 15 54 000 184 400 16 45 3 28 11 20 170 30 35 80 3 6 71 5 SH180 15 54 300 185 300 16 45 3 27 1...

Страница 8: ...540 Ø 224 Ø 243 117 Oil sight glass 1 137 2 189 230 230 190 5 190 5 180 154 1 158 2 173 30 30 60 4 x hole Ø 19 05 1 SH090 2 SH105 120 140 161 except code 3 All dimensions in mm Ø 22 1 Ø 29 2 Ø 35 1 235 2 278 1 94 2 101 1 94 2 101 Equalisation line 15 mm HM 8 bolt Lock washer Flat washer Steel mounting sleeve Rubber grommet Nut ...

Страница 9: ... glass Ø 243 1 278 2 300 1 101 2 108 1 101 2 108 1 509 2 525 1 540 2 555 1 155 2 170 157 4 x holes Ø19 05 230 230 190 5 190 5 173 1 154 2 159 200 30 30 Ø 22 Ø 35 60 1 SH140 161 code 3 2 SH184 All dimensions in mm Equalisation line 15 mm HM 8 bolt Lock washer Flat washer Steel mounting sleeve Rubber grommet Nut ...

Страница 10: ... Steel mounting sleeve Rubber grommet Nut 28 mm Compressor base plate Ø265 9 Discharge 1 1 8 Suction 1 5 8 Ø257 4 Ø317 5 653 618 187 301 5 214 345 4 195 170 304 8 370 8 353 212 109 183 60 60 428 279 4 76 6 4x rigid spacer 29 5 4x holes Ø19 All dimensions in mm 92 5 531 5 1 2 HM 8 bolt Lock washer Flat washer Rigid spacer Nut 29 5 mm ...

Страница 11: ... Steel mounting sleeve Rubber grommet Nut 28 mm Compressor base plate HM 8 bolt Lock washer Flat washer Rigid spacer Nut 29 5 mm Ø333 2 Ø318 1 4xholes Ø19 Discharge 1 1 8 Suction 1 5 8 492 5 1 2 693 5 634 5 187 214 202 195 183 428 109 212 356 370 8 304 8 60 60 301 5 345 4 279 4 76 6 92 5 4x rigid spacer All dimensions in mm ...

Страница 12: ...er Steel mounting sleeve Rubber grommet Nut 28 mm Compressor base plate HM 8 bolt Lock washer Flat washer Rigid spacer Nut 29 5 mm 725 8 667 187 301 5 214 Ø333 2 Ø318 1 All dimensions in mm Suction 1 5 8 Discharge SH380 1 1 8 SH485 1 3 8 524 8 1 2 4 holes Ø19 76 6 345 4 279 4 202 212 356 195 109 183 60 60 428 304 8 370 8 92 5 ...

Страница 13: ...ation Guidelines FRCC EC 008 for details The oil drain connection allows oil to be removed from the sump for changing testing etc The fitting contains an extension tube into the oil sump to more effectively remove the oil The connection is a female 1 4 flare fitting incorporating a schrader valve and is mounted on SH180 240 295 300 380 485 models only Schrader Oil equalisation connection Connectio...

Страница 14: ...s by Ø 4 8 mm 3 16 screws The maximum tightening torque is 3 Nm Use a 1 4 ring terminal on the power leads Motor voltage Wiring connections SH090 105 120 140 161 Except SH140 161 code 3 SH140 161 code 3 SH184 The terminal box is provided with a Ø 25 5 mm ISO25 and a Ø 29 mm PG21 knockouts The terminal box is provided with a Ø40 5 mm hole ISO40 for power supply and a Ø16 5 mm knockout ISO16 Termina...

Страница 15: ...e Faston type The temperature inside the terminal box may not exceed 70 C Consequently if the compressor is installed in an enclosure precautions must be taken to avoid that the temperature around the compressor and in the terminal box would rise too much The installation of ventilation on the enclosure panels may be necessary If not the electronic protection module may not operate properly Any co...

Страница 16: ...H140 304 64 56 0 24 SH161 315 69 64 0 22 SH184 351 75 71 0 22 SH180 320 78 71 0 19 SH240 485 105 103 0 16 SH295 560 128 112 0 13 SH300 560 132 125 0 13 Motor voltage code 4 380 400 V 3ph 50 Hz 460V 3ph 60hZ SH090 98 20 19 1 47 SH105 142 25 22 1 05 SH120 142 29 24 1 05 SH140 147 30 28 0 92 SH161 158 33 31 0 83 SH184 197 38 6 36 0 83 SH180 170 38 34 0 8 SH240 215 51 49 0 62 SH295 260 62 56 0 52 SH30...

Страница 17: ...ss SH scroll compressors with motor code 4 400V 3ph 50Hz or 460V 3ph 60Hz can be reduced using the Danfoss digitally controlled MCI compressor soft starter MCI soft starters are designed to reduce the starting current of 3 phase AC motors they can reduce the inrush current by up to 40 thereby eliminating the detrimental effects of high starting torque surges and costly demand charges from the resu...

Страница 18: ... to the LP safety switch the HP safety switch the discharge gas thermostat and the motor safety thermostat In specific situations such as winter start operation an eventual LP control for pump down cycles may be temporarily bypassed to allow the system to build pressure But it remains mandatory for compressor protection to apply an LP safety switch The LP safety switch must never be bypassed Press...

Страница 19: ...d valve LLSV Discharge gas thermostat thermistor DGT Fused disconnect Q1 Motor safety thermostat thM Compressor motor M Motor Protection Module MPM Thermistor chain S Safety pressure switch LPS Legend A1 A3 A2 LPS MPM 12 14 11 N 2 1 L1 Wiring diagram without pump down cycle A1 A3 A2 LPS Motor Protection 12 14 11 N 2 1 Module L1 Wiring diagram with pump down cycle A1 A3 A2 MPM S LPS Wiring diagram ...

Страница 20: ...dings ensures a very low level of thermal inertia The motor temperature is being constantly measured by a PTC thermistor loop connected on S1 S2 called 1 2 on SH180 If any thermistor exceeds its response temperature its resistance increases above the trip level 4 500 Ω and the output relay then trips i e contacts M1 M2 or 11 14 for SH180 are open After cooling to below the response temperature res...

Страница 21: ...r on L1 L2 L3 Vavg Mean voltage of phases 1 2 3 V1 2 Voltage between phases 1 2 V1 3 Voltage between phases 1 3 V2 3 Voltage between phases 2 3 Vavg V1 2 Vavg V1 3 Vavg V2 3 2 x Vavg voltage imbalance x 100 The operating voltage limits are shown in the table section Motor voltage The voltage applied to the motor terminals must lie within these table limits during both start up and normal operation...

Страница 22: ...ficates Contact Danfoss Products SH090 to 485 Manufacturer s declaration of incorporation ref Machines Directive 2006 42 EC Contact Danfoss Products SH090 to 485 Declaration of conformity ref Low voltage Directive 2006 95 EC Contact Danfoss Products Internal free volume without oil litre SH090 12 4 SH105 120 140 161 14 3 SH184 14 6 SH180 31 6 SH240 295 31 0 SH300 32 6 SH380 34 3 SH485 30 1 Product...

Страница 23: ... allows to achieve R410A is in this regard the best refrigerant As a near azeotropic mixture refrigerant R410A behaves like an homogeneous substance whereas other zeotropic mixtures such as R407C and other blends suffer a temperature glide during phase change that lessens thermal efficiency and makes them difficult to transfer from a container to another Reduced refrigerant mass flow permitted by ...

Страница 24: ...5 The compressors are designed as 100 suction gas cooled without need for additional fan cooling Ambient temperature has very little effect on the compressor performance Application envelope Compressor ambient temperature POE oil Polyolester oil POE is miscible with HFC s while mineral oil is not but has to be evaluated regarding lubrication ability in compressors POE oil has better thermal stabil...

Страница 25: ...quired to shut down the compressor should the discharge pressure exceed the values shown in the table section System pressure test The high pressure switch can be set to lower values depending on the application and ambient conditions The HP switch must either be placed in a lockout circuit or consist of a manual reset device to prevent cycling around the high pressure limit If a discharge valve i...

Страница 26: ...r than 12 reduces the service life of the motor compressor unit A three minute 180 sec time out is recommended Note that these two different low pressure switches also require different settings The low pressure pump down switch setting must always be within the operating envelope for example 2 3 bar for R410A The compressor can be operated full time under such condition The minimum low pressure s...

Страница 27: ...w will be lower compared to R22 R407C systems To maintain acceptable pressure drops and acceptable minimum gas velocities the refrigerant piping must be reduced in size compared to R22 R407C systems Take care not to create too high pressure drops since in R410A systems the negative impact of high pressure drops on the system efficiency is stronger than in R22 R407C systems Piping should be designe...

Страница 28: ...device resulting in a high degree of vapour at the expansion device inlet leading to low efficiency Heat exchangers Refrigerant charge limit Danfoss SH compressors can tolerate liquid refrigerant up to a certain extend without major problems However excessive liquid refrigerant in the compressor is always unfavourable for service life Besides the installation cooling capacity may be reduced becaus...

Страница 29: ...tor sump temperature sight glass indication and sound level The presence of liquid in the crankcase can be easily detected by checking the sump level through the oil sight glass Foam in the oil sump indicates a flooded start A noisy start oil loss from the sump and sump cool down are indications for migration Depending on the amount of migration graduate measures shall be taken Sump heater Liquid ...

Страница 30: ...ow pressure safety switch without any delay timer is mandatory Sump heater The surface sump heaters are designed to protect the compressor against off cycle migration of refrigerant When the compressor is idle the oil temperature in the sump of the compressor must be maintained at no lower than 10 K above the saturation temperature of the refrigerant on the low pressure side This requirement ensur...

Страница 31: ...operating conditions a high pressure ratio and minimum evaporator load along with the measurement of suction superheat oil sump temperature and discharge gas temperature During operations liquid flood back may be detected by measuring either the oil sump temperature or the discharge gas temperature If at any time during operations the oil sump temperature drops to within 10K or less above the satu...

Страница 32: ...n air cooled machines cycling the fans with 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 In water cooled units the same can be performed using a water regulator valve that is also operated by head pressure thereby ensuring that the water valve do...

Страница 33: ...nsient modes of operation may lead to liquid refrigerant carry over or flood back or excessively wet refrigerant return conditions As such reversible cycle applications require specific precautions for ensuring a long compressor life and satisfactory operating characteristics Regardless of the refrigerant charge in the system specific tests for repetitive flood back are required to confirm whether...

Страница 34: ... be properly sized or associated with a second small valve in parallel in order to avoid quick discharge pressure drops when opening This phenomenon could lead to hammering effects and create constraints on the non return valve integrated in discharge fitting SH180 to 380 Defrost and reverse cycle The Danfoss SH scroll compressor has the ability to withstand a certain amount of liquid refrigerant ...

Страница 35: ...ator becomes mandatory Suction line accumulator Specific application recommendations Apart from residual moisture in the system after commissioning water could also enter the refrigeration circuit during operation Water in the system shall always be avoided Not only because it can shortly lead to electrical failure sludge in sump and corrosion but in particular because it can cause serious safety ...

Страница 36: ...ed start up transient sound If a compressor is miswired the compressor will run in reverse Reverse compressor rotation is characterized by an objectionable sound To correct reverse rotation disconnect power and switch any two of the three power leads at the unit contactor Never switch leads at the compressor terminals Compressor acoustic hoods have been developed to meet specific extra low noise r...

Страница 37: ...ns The use of rubber isolators on the compressor base plate or on the frame of a manifolded unit is very effective in reducing vibration being transmitted from the compressor s to the unit Once the supplied rubber grommets have been properly mounted vibrations transmitted from the compressor base plate to the unit are held to a strict minimum In addition it is extremely important that the frame su...

Страница 38: ...th 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 terminal box can cause extensive damage to both the box and the components contained inside Each SH compressor is shipped with printed Instructions for installation These instructions can also be downloaded from our web site www...

Страница 39: ...80 240 295 300 380 485 Compressors SH180 240 295 300 380 485 come delivered with rigid mounting spacers for parallel mounting If used in single applications the compressor must be mounted with the flexible grommets as available in accessory conversion kit 8156138 The grommets must be compressed until contact between the flat washer and the steel mounting sleeve is established The grommets attenuat...

Страница 40: ...the tubing roundness and to ensure that no foreign debris remains within the tubing Only refrigerant grade fittings should be used and these must be of both a design and size to allow for a minimum pressure drop through the completed assembly Follow the brazing instructions on next pages Never drill holes into parts of the pipe work where filings and particles can not be removed Brazing and solder...

Страница 41: ...0 to SH485 the direction of the torch has to be as described on the picture and maximum brazing time should be less than 2 minutes to avoid NRVI damages Ensure that no flux is allowed to enter into the tubing or compressor Flux is acidic and can cause substantial damage to the internal parts of the system and compressor The polyolester oil used in SH compressors is highly hygroscopic and will rapi...

Страница 42: ...e compressor to evacuate the system Connect a vacuum pump to both the LP HP sides Evacuate the system to a pressure of 500 μm Hg 0 67 mbar absolute Do not use a megohm meter nor apply power to the compressor while it s under vacuum as this may cause internal damage Leak detection Vacuum evacuation and moisture removal Filter driers A properly sized type of drier is required Important selection cri...

Страница 43: ...rength Insulation resistance must be higher than 1 megohm when measured with a 500 volt direct current megohm tester Each compressor motor is tested at the factory with a high potential voltage hi pot that exceeds the UL requirement both in potential and in duration Leakage current is less than 0 5 mA SH scroll compressors are configured with the pump assembly at the top of the shell and the motor...

Страница 44: ...98 116 SH295 470 400 698 119 SH300 510 465 780 161 SH380 510 465 780 167 SH485 770 600 900 183 Compressor models Nbr Length mm Width mm Height mm Gross weight kg Static stacking pallets SH090 8 1150 950 680 494 2 SH105 8 1150 950 750 544 2 SH120 8 1150 950 750 544 2 SH140 8 1150 950 750 566 2 SH161 8 1150 950 750 582 2 SH184 8 1150 950 750 606 2 SH180 6 1150 965 768 685 2 SH240 6 1150 965 768 683 ...

Страница 45: ...120H0015 120H0017 120H0019 SH140 Brazed flexible Internal 120H0199 120H0201 120H0203 120H0205 120H0207 SH161 Brazed flexible Internal 120H0021 120H0023 120H0025 120H0027 120H0029 SH184 Brazed flexible Internal 120H0359 120H0361 120H0363 120H0365 120H0367 SH180 Brazed rigid Module 24V AC 120H0265 120H0267 120H0269 120H0271 Brazed rigid Module 230V 120H0273 120H0275 120H0277 120H0279 SH240 Brazed ri...

Страница 46: ...360 120H0362 120H0368 SH180 Brazed rigid Module 24V AC 120H0266 120H0268 120H0272 Brazed rigid Module 230V 120H0274 120H0276 120H0280 SH240 Brazed rigid Module 24V AC 120H0290 120H0292 120H0296 Brazed rigid Module 115 230V 120H0298 120H0300 120H0304 SH295 Brazed rigid Module 24V AC 120H0852 120H0826 120H0842 Brazed rigid Module 115 230V 120H0854 120H0828 120H0844 SH300 Brazed rigid Module 24V AC 1...

Страница 47: ... 4 Rotolock 1 5 8 ODF Models with 2 1 4 rotolock connection Industry pack 50 P04 8153008 Solder sleeve P04 1 1 4 Rotolock 3 4 ODF Models with 1 1 4 rotolock connection Multipack 10 P04 7953007 Solder sleeve P04 1 1 4 Rotolock 3 4 ODF Models with 1 1 4 rotolock connection Industry pack 50 P05 8153012 Rotolock connector P05 1 1 4 Rotolock 7 8 ODF Models with 1 1 4 rotolock connection Multipack 10 P0...

Страница 48: ... start kit MCI 25 C SH105 120 140 161 184 Single pack 1 MCI 50 CM 7705009 Electronic soft start kit MCI 50 C SH 180 240 295 300 380 Single pack 1 Type Code n Description Application Packaging Pack size 7703008 Valve set V02 1 3 4 1 1 8 V05 1 1 4 7 8 SH090 Multipack 6 120Z0403 Valve set V02 1 3 4 1 1 8 V05 1 1 4 7 8 SH090 Multipack 8 7703392 Valve set V10 1 3 4 1 3 8 V05 1 1 4 7 8 SH105 to 184 Mult...

Страница 49: ...n Application Packaging Pack Size 7750009 Discharge thermostat kit SH090 to SH380 Multipack 10 7973008 Discharge thermostat kit SH090 to SH380 Industry pack 50 Code no Accessory description Application Packaging Pack size 120Z0388 80W 24V surface sump heater CE UL SH090 105 120 140 161 184 Multipack 8 120Z0389 80W 230V surface sump heater CE UL Multipack 8 120Z0390 80W 400V surface sump heater CE ...

Страница 50: ...ode 3 Single pack 1 120Z0135 Acoustic hood for scroll compressor SH184 SH161 code 3 SH140 code 3 Single pack 1 120Z0022 Acoustic hood for scroll compressor SH 180 240 300 380 485 Single pack 1 120Z0353 Bottom insulation for scroll compressor SH180 240 300 380 485 Single pack 1 Type Code No Description Application Packaging Pack Size 120Z0413 Terminal box cover SH184 140 161 code 3 Single pack 1 81...

Страница 51: ......

Страница 52: ...espects the environment and reduces total life cycle costs We have 40 years of experience within the development of hermetic compressors which has brought us amongst the global leaders in our business and positioned us as distinct variable speed technology specialists Today we operate from engineering and manufacturing facilities spread across three continents Our products can be found in a variet...

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