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Summary of Contents for Danfoss PSH051-4
- Page 1 Application guidelines Danfoss scroll compressors PSH051 to 077 50-60 Hz - R410A http://danfoss.us.com/...
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Page 4: Table Of Contents
Application guidelines Content Compressor features ........................... 6 Nomenclature and specifications ....................... 7 Compressor nomenclature ..................................7 Compressor specifications ..................................7 Performance data - 50Hz ........................8 50 Hz ..........................................8 Performance data - 60Hz ........................9 60 Hz ..........................................9 Dimensions ............................10 PSH051 ........................................10 PSH064 ........................................ - Page 5 Application guidelines Content CAN-Bus and Modbus RS485 Communication ................30 Compressor address set-up for CAN-Bus and Modbus ......................30 CAN-Bus and Modbus communication with OCS ........................31 Measurements ......................................32 Alarms and warning ....................................33 System design recommendations ....................34 General ........................................
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Page 6: Compressor Features
Application guidelines Compressor features Danfoss PSH scroll compressor is optimized for PSH scroll compressor is also equipped with heat pump applications. Beside scroll elements several prewired devices such as discharge pressure ratio optimization, PSH includes 2 major temperature sensor, surface sump heater (SSH) new technologies: liquid injection and Operating and Liquid Injection Valve (LIV). -
Page 7: Nomenclature And Specifications
Application guidelines Nomenclature and specifications Danfoss PSH scroll compressors for R410A are Code numbers for ordering are listed in section available as single compressors. “Ordering information and packaging” at the end of this document. The example below presents the compressor nomenclature which equals to the technical re- ference as shown on the compressor nameplate. -
Page 8: Performance Data - 50Hz
56 621 11.96 73 959 12.42 94 403 12.96 118 430 13.59 146 485 14.35 179 010 15.25 216 416 16.31 259 181 17.57 302 628 18.89 PSH051-4 49 625 13.95 65 631 14.40 84 403 14.91 106 416 15.50 132 048 16.20 161 775 17.02 196 075 17.99 235 324 19.13 275 290 20.33 41 809 16.33... -
Page 9: Performance Data - 60Hz
68 020 14.37 88 805 14.92 113 379 15.56 142 253 16.32 175 939 17.23 214 983 18.31 259 932 19.59 311 297 21.10 363 447 22.69 PSH051-4 59 590 16.75 78 840 17.30 101 399 17.91 127 782 18.62 158 601 19.45 194 300 20.44 235 461 21.60 282 628 22.98 330 648 24.42 50 205 19.61... -
Page 10: Dimensions
Application guidelines Dimensions PSH051 Ø 10.47 Ø 10.14 25.69 24.29 8.19 20.9 ±0.05 11.85 8.08 5.66 2.99 3.62 Ø 12.51 Rigid spacer x 4 13.60 4x holes 6.63 Ø 0.76 7.20 7.68 3.22 60° 6.73 14.60 17.09 10° 9.29 60° 8°... -
Page 11: Psh064
Application guidelines Dimensions PSH064 Ø 13.12 Ø 12.52 27.28 24.96 8.19 19.37 ±0.05 11.85 7.96 5.63 3.62 Rigid spacer x4 13.60 4xhole 6.64 Ø 0.76 7.20 8.03 60° 7.68 3.21 14.60 17.17 10° 9.37 60° 8° 7.05 10.16 14.06 All dimensions in inch Rigid spacer Flexible grommet (accessory) HM 8 bolt... -
Page 12: Psh077
Application guidelines Dimensions PSH077 Ø 13.12 Ø 12.52 28.56 26.23 8.19 20.64 ±0.05 11.85 7.96 5.63 3.62 Rigid spacer x4 13.60 4x holes 6.64 Ø 0.76 7.20 8.03 60° 14.60 3.21 7.68 17.17 10° 9.37 60° 8° 7.05 10.16 All dimensions in inch 14.06 Rigid spacer Flexible grommet (accessory) -
Page 13: Electrical Data, Connections And Wiring
PSH051-064-077 Discharge 1"1/8 Oil sight glass All Danfoss PSH scroll compressors come which may be used to determine the amount and equipped with a sight glass (1"1/8 - 18 UNF) condition of the oil contained within the sump. Oil equalisation connection PSH051-064-077 are equipped with a 2"1/4... -
Page 14: Motor Voltage
Application guidelines Electrical data, connections and wiring Motor voltage Motor voltage code Code 4 Code 9 Nominal voltage 380-415V~3 50Hz Voltage range 357-440V~3 Nominal voltage 460V~3 380V~3 60Hz Voltage range 414-506V~3 342-418V~3 Voltage unbalance The operating voltage limits are shown in the damage. -
Page 15: Wiring Connections
OCS power supply Danfoss Commercial Compressors Cover holding screws (x4) supply & connections Torque: 2.2 Nm Customer supply or Danfoss Commercial Compressors kit on request Customer supply & connections Electrical supply is connected to the compressor The compressor must be connected to earth with Compressor power supply terminals by Ø... -
Page 16: General Wiring Information
Application guidelines Electrical data, connections and wiring The OCS comes preinstalled within the connected to the discharge temperature sensor OCS connections compressor electrical box. that is pre-installed on the upper shell. This cable has to be connected to the sensor before All needed connectors are plugged in place on the OCS and connector positions are marked on switching on the power. -
Page 17: Suggested Wiring Diagram
The installation not operate properly. Any compressor damaged of ventilation on the enclosure panels may be related to this will not be covered by Danfoss necessary. warranty. In the same manner, cables must be selected in a... -
Page 18: Approval And Certifications
CE 0062 or CE 0038 or CE0871 All PSH models (European Directive) All 60 Hz PSH models (Underwriters Laboratories) Other approvals / certificates Contact Danfoss Pressure equipment directive 2014/68/EU PSH051 PSH064 PSH077 Products Refrigerating fluids... -
Page 19: Operating Conditions
Application guidelines Operating conditions Refrigerant and lubricants PSH compressors are to be used with R410A refrigerant, with polyolester oil. R410A • Because of the higher system efficiency it • R410A’s superior thermodynamical properties compared to R22 and R407C refrigerants allow for allows to achieve, R410A is in this regard the best today’s massive –... -
Page 20: Compressor Protection
Application guidelines Operating conditions Compressor protection 2 status LEDs are present on OCS: LED1 (red) displays the board general status LED2 (yellow) displays the motor protection status LED1 displays the board general status with the following blinking codes LED 1 Status display Blinking sequence Status Reset... -
Page 21: Phase Sequence And Reverse Rotation Protection
Application guidelines Operating conditions Phase sequence and reverse Use a phase meter to establish the phase Apply the recommended wiring diagrams from rotation protection orders and connect line phases L1, L2 and L3 the section “Suggested wiring diagram logic”. The to terminals T1, T2 and T3, respectively. - Page 22 Application guidelines Operating conditions Transient conditions The OCS controls the compressor operation Compressor start up is allowed only in starting by monitoring high pressure, low pressure and areas 1, 2.3 and 3. discharge temperature. During start-up or defrost, the compressor may Alarms are displayed when the compressor operate outside this envelope for short periods.
- Page 23 Application guidelines Operating conditions Alarms displayed by OCS and related taken actions Cumulated ACTION once the boundary Conditions ACTION before condition runs out Delay ACTION once condition has run out time condition has run out no action Area 1 ∞ no action ∞...
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Page 24: Pressure Transmitter Accuracy And Range
Application guidelines Operating conditions Pressure transmitter The OCS functionalities use the evaporating • accuracy lower than ±16.68 psi a on high accuracy and range pressure and condensing pressure signals, pressure side, range 0-725 psi a • accuracy lower than ±4.35 psi a on low and may be directly impacted by pressure transmitters accuracy. -
Page 25: Malfunction Protection
Application guidelines Operating conditions Malfunction protection The OCS also provides information about below Maintenance operations should include an OCS listed malfunctions. diagnosis analysis, in order to check the warnings and alarms status history provided by the OCS. Component Detection Criteria(s) Alarm Action Resistance out of operating range... - Page 26 OCS function, so no additional Low pressure can cause internal electrical arcing and scroll protection is needed. instability. Danfoss PSH Scroll compressors exhibit high volumetric efficiency and may draw LP switch settings for pump-down cycles with very low vacuum levels, which could induce automatic reset are listed in the table below.
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Page 27: Cycle Rate Limit
180 s the oil return may vary since it depends upon system design. There must be no more than 12 starts per hour, a number higher than 12 reduces Please contact Danfoss Technical Support for any deviation from this guideline. FRCC.PC.021.A5.22... -
Page 28: Data Management
Application guidelines Data management Data storage displayed by The OCS is able to record data for operating There are 4 types of data available: checking, maintenance, inspection. Data can • Traceability data be displayed by Modbus, CAN-Bus or MMIMYK/ • Operation parameter recording MMIGRS interfaces. -
Page 29: Data Read-Out
005FFF03 or reset Disconnect MMIGRS • MMIMYK recovers data: Connect MMIMYK to Please contact Danfoss Technical Support for any the OCS via RJ11 cable. Power-off the OCS. additional information. Power-on it. Data will be transferred to a file in SD card. This file can be translated in .csv file thanks to a specific application. -
Page 30: Can-Bus And Modbus Rs485 Communication
Application guidelines CAN-Bus and Modbus RS485 Communication CAN-Bus and RS485 hardware network must General hardware network and communication protocol follow the recommendations described in the document DKRCC.PS.RIO.F1.02. CAN-Bus and Modbus RS485 Communication b. Modbus RS485: ID: none, baudrate: 9600, protocol parameters are as follow: databits: 8, partity: NONE, stop bits: 1. -
Page 31: Can-Bus And Modbus Communication With Ocs
Application guidelines CAN-Bus and Modbus RS485 Communication NodeID can be changed with a MMIMYK NodeID can be changed through menu Program/ NodeID connected to OCS with a RJ11 cable. CAN-Bus Config Node/NodeID. must be deconnected and NodeID has to be set If NodeID is changed by MMIMYK, the separately on each compressor. -
Page 32: Measurements
Application guidelines CAN-Bus and Modbus RS485 Communication The signal content is as in following exemple: OCS will detect Modbus communication timeout Pc = 23.5678 bar absolute after 3 seconds. In this case: • If a backup transmitter is connected to Scaled value: 23.5678*10000 = 235678 (same in hexadecimal form: 0x0003989E) another OCS board, then the local signal will... -
Page 33: Alarms And Warning
Application guidelines CAN-Bus and Modbus RS485 Communication Alarms and warning Variable Register Description Note Dec. Warning W09 W09 Wait 6hrs SSH on or jog before start 0x3207 12807 Warning W13 W13 Cps start before 6hrs SSH on 0x320D 12813 Alarm A15 A15 Low Pressure transmitter error 0x320F 12815... -
Page 34: 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 35: Off-Cycle Migration
A noisy start, oil loss from the sump and sump irreversible damage to the compressor. cool down are indications for migration. Danfoss PSH scroll compressors can tolerate Depending on the amount of migration graduate measures shall be taken: occasional flooded starts as long as the total system charge does not exceed the maximum •... -
Page 36: Liquid Flood Back
A continuous liquid flood back will cause oil dilution and, in extreme situations lead to lack Danfoss PSH scroll compressors can tolerate of lubrication and high rate of oil leaving the occasional liquid flood back. However system compressor. -
Page 37: Oil Equalisation
The oil level of running compressors must a visible oil level in the sight glasses. Always Oil level criteria be visible or full in the sight glass of running use a Danfoss oil from new can (see section compressors at all operating conditions accessories). described before. -
Page 38: Specific Application Recommendations
“Low pressure” in order to prevent this from happening. The Danfoss PSH scroll compressor requires a levels during low loading periods. A minimum of Low ambient operations minimum pressure differential of 87 to 102 psig 9°F stable superheat is required. -
Page 39: Low Load Operation
Regardless of the refrigerant Discharge line The Danfoss PSH scroll compressor is a high switch cutouts and place excess strain on both and reversing valve volumetric machine and, as such, can rapidly the bearings and motor. -
Page 40: Water Utilizing Systems
Check with the valve manufacturer for optimal valve ensure that the valve switches quickly sizing and recommended mounting positions. The Danfoss PSH scroll compressor has the Defrost cycle logic must respect all system Defrost and reverse cycle ability to withstand a certain amount of liquid components recommendations, in particular 4 way valve Max. -
Page 41: Sound And Vibration Management
Application guidelines Sound and vibration management Starting sound level During start-up transients it is natural for compressor rotation is characterized by an the compressor sound level to be slightly objectionable sound. To correct reverse rotation, higher than during normal running. PSH scroll disconnect power and switch any two of the compressors exhibit very little increased start-up three power leads at the unit contactor. -
Page 42: Installation
Application guidelines Installation Compressor handling and Each Danfoss PSH scroll compressor is equipped -31°F and 124°F when charged with R410A and storage with two lift rings on the top shell. Always use between -31°F and 158°F when charged whith nitrogen from factory. -
Page 43: Parallel Mounting
They must be used in this configuration for parallel mounting. 1.18 R0.47 0.20 Recommended rails configuration: Danfoss 2 x 1.02 Commercial Compressors does not supply the Material: steel rails described here. Tandem rails configuration Ø... - Page 44 Application guidelines Installation Parallel mounting feet For parallel mounting, rubber grommets and These parts are included in the tandem of trio spacer must be installed below the rails. accessory kit code number 7777xxx described below. HM10x100 tightening torque Grommet sleeve 32.4lbf.ft Flat washer ...
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Page 45: Compressor Holding Charge
This could damage must be respected. to the compressor and impact oil equalisation balancing. Tandem and trio Handling Danfoss Commercial Compressors recommends using the lift and handling devices, as shown in Spreader bar Spreader block picture beside, and that the following procedure be used to prevent damage. -
Page 46: System Cleanliness
Application guidelines Installation System cleanliness The refrigerant compression system, regardless System contamination is one of main factors of the type of compressor used, will only provide affecting equipment reliability and compressor service life. It is important therefore to take high efficiency and good reliability, along with a long operating life, if the system contains solely system cleanliness into account when assembling the refrigerant and oil it was designed for. - Page 47 Application guidelines Installation When brazing the compressor fittings, do not • Apply heat evenly to area A until the brazing Compressor connection overheat the compressor shell, which could temperature is reached. Move the torch to area B and apply heat evenly until the severely damage certain internal components due to excessive heating.
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Page 48: System Pressure Test
For specific applications not covered herein, compressor. The compressor should always be please contact Danfoss for further information. the last component brazed into the system. System pressure test Always use an inert gas such as nitrogen for... -
Page 49: Filter Driers
50 ppm end point dryness (EPD). After burn out, remove & replace the liquid line filter drier and install a Danfoss type DAS burnout For new installations with PSH compressors with drier of the appropriate capacity. Refer to the DAS... -
Page 50: Insulation Resistance And Dielectric Strength
(hi-pot) that exceeds the UL requirement both in potential and in In testing insulation resistance, Danfoss duration. Leakage current is less than 5 mA. recommends that the system be first operated briefly to distribute refrigerant throughout the It is not recommended to repeat high voltage system. -
Page 51: Commissioning
Always use original Danfoss POE oil 160SZ from level in the compressor sight glass. new cans. When the compressor is running under stabilized Top-up the oil while the compressor is idle. -
Page 52: Ordering Information And Packaging
Application guidelines Ordering information and packaging Packaging Single pack Compressor model Length (in) Width (in) Height (in) Gross weight (lb) PSH051 30.3 23.6 35.4 PSH064 30.3 23.6 35.4 PSH077 30.3 23.6 35.4 Industrial pack Compressor Static stacking Length (in) Width (in) Height (in) Gross weight (lb) model... -
Page 53: Ordering Information
Application guidelines Ordering information and packaging Ordering information Danfoss PSH scroll compressors can be ordered Compressors PSH051-064-077 are delivered with in either industrial pack or single packs. Please pre-mounted rigid spacers dedicated to parallel mounting. For use in single applications, the rigid use the code numbers from below tables for ordering. -
Page 54: Accessories
Application guidelines Accessories Valves, adapters, connectors & gaskets for use on suction and discharge connections Solder sleeve adapter sets Pack Type Code n° Description Application Packaging size Solder sleeve adapter set (2"1/4 rotolock, 1"5/8 ODF) 7765028 PSH051-064-077 Multipack (1"3/4 rotolock, 1"1/8 ODF) Rotolock adapters Pack Type... -
Page 55: Acoustic Hoods And Spare Parts
Application guidelines Accessories Surface sump heaters Pack Type Code n° Description Application Packaging size 120Z0360 Surface sump heater + Bottom insulation, 56 W, 24 V, CE, UL Multipack PSH051-064-077 120Z0376 Surface sump heater + Bottom insulation, 56 W, 230 V, CE , UL Multipack 3 phase soft start equipment Pack... -
Page 56: Lubricants / Oils
8156129 Gasket for oil sight glass (white teflon) PSH051-064-077 Multipack 7956005 Gasket for oil sight glass (white teflon) PSH051-064-077 Industry pack 8154001 Danfoss CC blue spray paint PSH051-064-077 Single pack Sensors & cables Pack Type Code n° Description Application Packaging... - Page 57 Application guidelines Updates Previous Version Current Version · Page 18: Pressure equipment directive · Page 18: Updated Pressure equipment directive 2014/68/EU 2014/68/EU · Page 26: Pressure settings · Page 26: Updated pressure settings · Page 48: Maximum compressor test pressure ·...
- Page 60 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://danfoss.us.com Danfoss Commercial Compressors, BP 331, 01603 Trévoux Cedex, France | +334 74 00 28 29 FRCC.PC.021.A5.22 © Danfoss | DCS(CC) | 2017.09...
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