Danfoss SH485 Application Manuallines

Danfoss SH485 Application Manuallines

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Application guidelines
Danfoss scroll compressors
SH090 to SH485 - single
50 Hz - 60 Hz - R410A
http://cc.danfoss.com

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Summary of Contents for Danfoss SH485

  • Page 1 Application guidelines Danfoss scroll compressors SH090 to SH485 - single 50 Hz - 60 Hz - R410A http://cc.danfoss.com...
  • Page 3: Table Of Contents

    Compressor handling and storage ....38 Terminal box temperature ........15 Compressor mounting ......... 38 Three phase electrical characteristics .....16 Compressor holding charge ......39 Danfoss MCI soft-start controller ......17 System cleanliness ..........40 General wiring information .........18 Tubing ................ 40 Motor protection............ 20 Brazing and soldering ..........
  • Page 4: Scroll Compression Principle

    Application Guidelines Scroll compression principle In a Danfoss SH scroll compressor, the compression is performed by two scroll elements located in the upper part of the compressor. Suction gas enters the compressor at the suction connection. As all of the gas flows around and...
  • Page 5: Features

    • Gas intake design induces higher resistance to 161-184 (light commercial platform) and SH180- liquid slugging. 240-295-380-485 (large commercial platform). The SH485 compressors include additional The SH090-105-120-140-161-184 compressors features for enhanced protection and efficiency: benefit from a further improved design to •...
  • Page 6: Compressor Model Designation

    UL index Motor voltage code 3: 200-230V/3~/60 Hz Suction and discharge connections 4: 380-400V/3~/50 Hz - 460V/3~/60 Hz A: Brazed connections for SH295 & SH485: 380-415V/3~/50Hz - 460V/3~/60Hz 6: 230V/3~/50 Hz 7: 500V/3~/50 Hz - 575V/3~/60 Hz 9: 380V/3~/60 Hz AB243586442172en-001401...
  • Page 7: Technical Specifications

    Subject to modification without prior notification. Data given for motor code 4 compressor, for full data details and capacity tables refer to Online Datasheet Generator: www.danfoss.com/odsg * SH295 replaces SH300. SH300 model remains available for after-market, please refer to datasheets for technical details.
  • Page 8: Dimensions

    Application Guidelines Dimensions SH090-105-120-140* and 161* (* except code 3) Ø 224 Oil sight glass Ø 243 Equalisation line 190.5 4 x hole 30° Ø 19.05 190.5 Ø 29 SH090 Ø 35 SH105 - 120 - 140* & 161* 60° * except code 3 30°...
  • Page 9: Sh 140 And 161 Code 3 And Sh184

    Application Guidelines Dimensions SH 140 and 161 code 3 and SH184 (1) ø 224 (2) ø 234 Ø 243 Equalisation Oil sight line glass 190.5 4 x holes Ø19.05 30° 190.5 Ø 35 SH140 & 161 code 3 60° SH184 All dimensions in mm Ø...
  • Page 10: Sh180-240-295

    Application Guidelines Dimensions SH180-240-295 Ø265.9 Discharge 1"1/8 Ø257.4 Suction 1"5/8 531.5 Ø317.5 301.5 92.5 76.6 4x rigid spacer 29.5 All dimensions in mm 345.4 279.4 4x holes Ø19 60° 370.8 304.8 60° Rigid spacer Flexible grommet HM 8 bolt Lock washer HM 8 bolt Lock washer Compressor...
  • Page 11: Sh380-485 (Except Code 3)

    Application Guidelines Dimensions SH380-485 (Except code 3) Ø333.2 Discharge: SH380: 1"1/8 SH485: 1"3/8 Ø318.1 Suction 725.8 1"5/8 524.8 301.5 92.5 76.6 All dimensions in mm 345.4 279.4 4 holes Ø19 218.6 60° 304.8 370.8 60° Rigid spacer Flexible grommet HM 8 bolt...
  • Page 12: Sh380 Code 3

    Application Guidelines Dimensions SH380 code 3 Ø333.2 Discharge: 1"1/8 Ø318.1 725.8 277.4 524.8 301.5 Suction 1"5/8 172.2 92.5 76.6 345.4 4 holes Ø19.43 279.4 All dimensions in mm 60° 370.8 304.8 60° 8° 202.3 308.8 Rigid spacer Flexible grommet HM 8 bolt HM 8 bolt Lock washer Lock washer...
  • Page 13: Electrical Data, Connections And Wiring

    2"1/4 - 1"5/8 sleeve. connection This connection must be used to mount an oil and gauge port equalisation line when two or more compressors are mounted in parallel (please refer to Danfoss SH Parallel Application Guide lines FRCC.EC.008. for details). Oil drain connection...
  • Page 14: Motor Voltage

    Application Guidelines Electrical data, connections and wiring Motor voltage Danfoss SH scroll compressors are available in five different motor voltages as listed below. Motor voltage code Code 3 Code 4 Code 6 Code 7 Code 9 380-400V - 3 ph...
  • Page 15: Ip Rating

    Any compressor damage related to this installed in an enclosure, precautions must be will not be covered by Danfoss warranty. In the taken to avoid that the temperature around the same manner, cables must be selected in a way...
  • Page 16: Three Phase Electrical Characteristics

    0.36 SH380 0.24 SH485 0.16 * 380-415V/3ph/50Hz for SH295 and SH485 LRA (Locked Rotor Amp) Locked Rotor Amp value is the higher average the starting current. However in most cases, the current as measured on mechanically blocked real starting current will be lower. A soft starter can be applied to reduce starting current.
  • Page 17: Danfoss Mci Soft-Start Controller

    25°C, the measured resistance must be corrected using following formula: Danfoss MCI soft-start The inrush current for the Danfoss SH scroll starting current of 3-phase AC motors; they controller compressors with motor code 4 (400V /3ph...
  • Page 18: General Wiring Information

    Application Guidelines Electrical data, connections and wiring MCI with by-pass contactor By means of the built-in auxiliary contact (23-24) the by-pass function is easily achieved, see wiring diagram beside. No heat is generated from the MCI. As the contactor always switches in no-load condition it can be selected on the basis of the thermal current (AC-1).
  • Page 19 Application Guidelines Electrical data, connections and wiring Compressor model SH180-240-295-380 Wiring diagram with pump-down cycle Wiring diagram without pump-down cycle Compressor model SH485 Wiring diagram without pump-down cycle Wiring diagram with pump-down cycle Legend Fuses ....................F1 Liquid Line Solenoid valve ............LLSV Compressor contactor ..............
  • Page 20: Motor Protection

    Application Guidelines Electrical data, connections and wiring Motor protection Overheating Over current Locked rotor Compressor model Phase reversal protection protection protection protection SH 090 - 105 - 120 - 140- 161  Internal motor protection Internal reverse vent - 184 ...
  • Page 21: Voltage Imbalance

    Application Guidelines Electrical data, connections and wiring Compressor models SH090-105-120-140-161-184, the bearings. Reverse rotation will be obvious incorporate an internal reverse vent valve which to the user as soon as power is turned on: the will react when the compressor is run in reverse compressor will not build up pressure, the and will allow refrigerant to circulate through sound level will be abnormally high and power...
  • Page 22: Approval And Certifications

    Approvals and certificates SH scroll compressors comply with the following Certificate are listed on: Documentation for approvals and certificates. Commercial Compressor | Danfoss CE 0062 or CE 0038 or CE 0094 All SH models (European Directive) All 60 Hz SH models...
  • Page 23: Operating Conditions

    • Refrigerant cost • Compressor capacity and efficiency • Refrigerant availability Danfoss Commercial Compressors, along with and use in coming years, in accordance with the the whole refrigeration and air conditioning international Montreal Protocol (1984). industry, shares today’s concern about the...
  • Page 24: Motor Supply

    Application Guidelines Operating conditions POE oil Polyolester oil (POE) is miscible with HFC's POE is more hygroscopic and also holds moisture (while mineral oil is not), but has to be evaluated more tight than mineral oil. regarding lubrication ability in compressors. It also chemically reacts with water leading to POE oil has better thermal stability than acid and alcohol formation.
  • Page 25: Discharge Temperature Protection

    The discharge gas temperature must not exceed protection 135°C. Thermostat SH485 includes a PTC sensor located in the fixed scroll and wired in series with the motor Discharge line PTC thermistor chain. Excessive discharge temperature will result in electronic module Insulation output relay to trip.
  • Page 26: Cycle Rate Limit

    Application Guidelines Operating conditions Internal pressure relief valve The SH380 and SH485 incorporate an internal relief valve set to open between the internal high and low pressure sides of the compressor when the pressure differential between the discharge and suction pressures surpasses 42.4 bar.
  • Page 27: System Design Recommendations

    Application Guidelines System design recommendations General Successful application of scroll compressors beyond the limits given in this manual. Poor is dependent on careful selection of the performance, reduced reliability, or both may compressor for the application. If the compressor result. is not correct for the system, it will operate Essential piping design The working pressure in systems with R410A is...
  • Page 28: Refrigerant Charge Limit

    Refrigerant charge limit Danfoss SH compressors can tolerate liquid Use the tables below to quickly evaluate the refrigerant up to a certain extent without major required compressor protection in relation with problems.
  • Page 29: Off-Cycle Migration

    Note: for special conditions such as low ambient temperature, low refrigerant load or brazed plate heat exchangers please refer to corresponding sections. More detailed information can be found in the paragraphs hereafter. Please contact Danfoss Technical Support for any deviation from these guidelines. Off-cycle migration Off-cycle refrigerant migration is likely to occur...
  • Page 30 >5m/s & ambient SSH/thermal insulation Surface sump heater accessories are available temperature <-5°C from Danfoss (see section “Accessories”). Since the total system charge may be undefined, a sump heater is recommended on all stand- alone compressors and split systems. In addition,...
  • Page 31: Liquid Flood Back

    A continuous liquid flood back will cause oil dilution and, in extreme situations, lead to lack Danfoss SH scroll compressors can tolerate of lubrication and high rate of oil leaving the occasional liquid flood back. However, system compressor.
  • Page 32: Specific Application Recommendations

    “Low pressure” in order to prevent this from happening. Low ambient operations The Danfoss SH scroll compressor requires a The superheat setting of the expansion device minimum pressure differential between the should be sufficient to ensure proper superheat suction and discharge pressures (please refer levels during low loading periods.
  • Page 33: Low Load Operation

    Application Guidelines Specific application recommendations Sump heaters Sump heaters are strongly recommended on will minimize refrigerant migration caused by all systems where the compressor is exposed to the large temperature gradient between the low ambient temperatures, especially split and compressor and the remainder of the system, remote condenser installations.
  • Page 34 135°C. be installed on the discharge line to protect Discharge line, reversing The Danfoss SH scroll compressor is a high position. At the same time, it is important that valve, solenoid valves volumetric machine and, as such, can rapidly...
  • Page 35: Water Utilizing Systems

    Application Guidelines Specific application recommendations Suction line accumulator The use of a suction line accumulator is strongly Sustained and repeated liquid slugging and recommended in reversible-cycle applications. flood back can seriously impair the oil’s ability This because of the possibility of a substantial to lubricate the compressor bearings.
  • Page 36: Sound And Vibration Management

    Sound power and attenuation are given at ARI conditions, measured in free space Data given for motor code 4 compressor, for full data details refer to online datasheet generator: www.danfoss.com/odsg * For SH140 code 3 and SH161 code 3 use acoustic hood reference 120Z0135 ** For SH380 code 3 use acoustic hood reference 120Z0579 ...
  • Page 37 Sound and vibration management Compressor sound radiation For sound radiating from the compressor, the Due to the unique Danfoss design of a full- emission path is airborne and the sound waves suction gas-cooled motor, compressor body are travelling directly from the machine in all insulation across its entire operating range directions.
  • Page 38: Installation

    Instructions for installation. These instructions http://instructions.cc.danfoss.com can also be downloaded from our website: Compressor handling and Each Danfoss SH scroll compressor is equipped When the compressor is mounted as part storage with two lift rings on the top shell. Always use of an installation, never use the lift rings on the both these rings when lifting the compressor.
  • Page 39: Compressor Holding Charge

    Application Guidelines Installation Mounting of SH180-240-295- Compressors SH180-240-295-380-485 come between the flat washer and the steel mounting 380-485 delivered with rigid mounting spacers for parallel sleeve is established. The grommets attenuate mounting. to a great extent the transmission of compressor vibrations to the base frame.
  • Page 40: System Cleanliness

    5% silver or more with a melting Dissimilar metals When manipulating dissimilar metals such as Please contact Danfoss Technical support for any connection copper and brass or steel, the use of silver solder deviation from this guidelines.
  • Page 41: System Pressure Test

    In addition, for discharge connections equipped .Protect the terminal box and compressor with a non return valve integrated in discharge fitting (SH180 to SH485) the direction of the painted surfaces from torch heat damage (see diagram). torch has to be as described on the picture, and maximum brazing time should be less than 2 .Remove the Teflon gaskets when brazing...
  • Page 42: Leak Detection

    50 ppm end point dryness (EPD). After burn out, remove and replace the liquid line filter drier and install a Danfoss type DAS burn- For new installations with SH compressors with out drier of the appropriate capacity. Refer to the...
  • Page 43: Refrigerant Charging

    (in weight) can be used to roughly define refrigerant in the oil. the required oil top-up quantity but in any case Always use original Danfoss POE oil 160SZ from the oil charge has to be adjusted based on the oil new cans.
  • Page 44: Ordering Information And Packaging

    Width Height Compressor models weight (mm) (mm) (mm) (kg) SH090 SH105 SH120 SH140 SH161 SH184 SH180 SH240 SH295 SH380 SH485 Gross Static Industrial pack Length Width Height Compressor models Nbr* weight stacking (mm) (mm) (mm) (kg) pallets SH090 1150 SH105...
  • Page 45: Ordering Information

    Application Guidelines Ordering information and packaging Ordering information Danfoss SH scroll compressors can be ordered in Compressors SH180 to 485 with rigid mounting either industrial packs or in single packs. Please spacers are dedicated for parallel mounting. For use the code numbers from below tables for use in single applications the rigid spacers must ordering.
  • Page 46 Module 24V AC * 120H0250 120H0254 120H0262 SH380 Brazed Rigid Module 110-240V * 120H0252 120H0256 120H0264 Brazed Rigid Module 24V AC * 120H1063 SH485 Brazed Rigid Module 110-240V * 120H1065 * Electronic motor protection, module located in terminal box AB243586442172en-001401...
  • Page 47: Accessories

    Rotolock adaptor set (1"3/4 ~ 1"3/8) , (1"1/4 ~ 7/8") SH105 to 184 Multipack 7765028 Rotolock adaptor set (2"1/4 ~ 1"5/8) , (1"3/4 ~ 1"1/8) SH180-240-295-380 Multipack 120Z0504 Rotolock adaptor set (2"1/4 ~ 1"5/8), (1"3/4 ~ 1"3/8) SH485 Multipack Rotolock adapter Type Code n° Description Application Packaging Pack size 120Z0367 Adaptor (1"1/4 Rotolock - 7/8"...
  • Page 48 SH105 to 184 Multipack 7703383 Valve set, V03 (2"1/4 ~ 1"5/8), V02 (1"3/4 ~ 1"1/8) SH180 to 380 Multipack 120Z0547 Valve set, V03 (2"1/4 ~ 1"5/8), V10 (1"3/4 ~ 1"3/8) SH485 Multipack 3-phase soft start equipment Type Code n° Description Application Packaging...
  • Page 49 Application Guidelines Accessories Surface sump heaters Type Code no. Accessory description Application Packaging Pack size 120Z0388 80W 24V surface sump heater CE and UL Multipack 120Z0389 80W 230V surface sump heater CE and UL Multipack 120Z0390 80W 400V surface sump heater CE and UL SH090-105-120-140-161-184 Multipack 120Z0391...
  • Page 50 Sight glass with gaskets (black and white) All models Multipack 8156129 Gasket for oil sight glass, 1"1/8 (white teflon) All models Multipack 7956005 Gasket for oil sight glass, 1"1/8 (white teflon) All models Multipack 8154001 Danfoss Commercial Compressors blue spray paint All models Single pack AB243586442172en-001401...
  • Page 51 Application Guidelines Updates Previous Version Current Version • Page 14: Updated Motor voltage • Page 14: Updated Wiring connections • Page 22: Updated Pressure equipment directive • Page 50: Updated spare part table for Terminal 2014/68/EU boxes, covers and T-block connectors •...
  • Page 52 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 AB243586442172en-001401 © Danfoss | DCS (CC) | 2020.12...

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