Related Manuals for Danfoss PSH019
Summary of Contents for Danfoss PSH019
- Page 1 Application guidelines Danfoss scroll compressors PSH019 to PSH039 50 - 60 Hz - R410A http://cc.danfoss.com...
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Page 3: Table Of Contents
Performance data - 60 Hz ......... 7 Brazed plate heat exchangers ........26 Dimensions ............8 Electronic expansion valve ..........26 Reversible heat pump systems ........26 PSH019 ..................8 Water utilizing systems .............27 PSH023-026-030-034 ............9 PSH039 ...................10 Sound and vibration management ....28 Electrical data, connections and wiring ..11... -
Page 4: Scroll Compressor Principle
Application Guidelines Scroll compressor principle In a Danfoss heat pump scroll compressor, the the centre of the fixed scroll (in black). This compression is performed by two scroll elements movement creates symmetrical compression located in the upper part of the compressor. -
Page 5: Nomenclature And Specifications
Application Guidelines Nomenclature and specifications Compressor model Danfoss PSH scroll compressors for R410A are reference as shown on the compressor designation available as single and manifolding compressors. nameplate. Code numbers for ordering are listed The example below presents the compressor in section “Ordering information and packaging”. -
Page 6: Performance Data - 50 Hz
41 530 18.19 46 520 18.36 52 250 18.56 58 790 18.80 Refrigerant: R410A Frequency 50 Hz Subcooling: 4K Superheat: 5K Subject to modification without prior notification. For full data details and capacity table, refer to Online Datasheet Generator: www.danfoss.com/odsg FRCC.PC.022.A4.02... -
Page 7: Performance Data - 60 Hz
49 360 21.00 55 580 21.29 62 750 21.62 70 970 21.99 Refrigerant: R410A Frequency 60 Hz Subcooling: 4K Superheat: 5K Subject to modification without prior notification. For full data details and capacity table, refer to Online Datasheet Generator: www.danfoss.com/odsg FRCC.PC.022.A4.02... -
Page 8: Dimensions
Application Guidelines Dimensions PSH019 Ø224 Liquid injection Ø8 Ø220.8 Suction 1”1/8 469.7 ±3 Ø32 oil equalisation 219.5 78.7 Without compression Ø245 15.25 230 (2x) Ø32 oil equalisation 190.5 (2x) 1.75”-12 UN-2A 30°±0.5° 4 hole Ø19.05 190.5 (2x) (2x) 60°±1° 30°±1°... -
Page 9: Psh023-026-030-034
Application Guidelines Dimensions PSH023-026-030-034 Ø224 Discharge 7/8” Liquid injection Ø8 Ø221 Suction 1”3/8 527.2 493.5 ±3 Ø243 262.5 15.25 Ø245 (Without compression) 230 (x2) Ø32 oil equalisation 190.5 (x2) 1.75” - 12 UN - 2A 30°±0.5° 4 x hole Ø19.05 190.5 (x2) (x2) -
Page 10: Psh039
Application Guidelines Dimensions PSH039 Ø 234 Discharge 7/8” Liquid injection Ø8 Ø 232.1 Suction 1”3/8 542.7 ±3 Ø 243 Ø 245 92.5 15.25 (without compression) 230 (2x) Ø 32 Oil equalisation 190.5 (2x) 1.75” - 12 UN - 2A 30° ±0.5° 190.5 (2x) (2x) -
Page 11: Electrical Data, Connections And Wiring
PSH023-026-030-034-039 Discharge 7/8” 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... -
Page 12: Motor Voltage
V1-3 = Voltage between phases 1 & 3 V1-2 = Voltage between phases 1 & 2 V2-3 = Voltage between phases 2 & 3 Electrical data Maximum Operating Winding resistance Current Compressor models Ω PSH019 0.39 PSH023 0.27 PSH026 0.27 Motor code 3 PSH030 0.24 PSH034 0.22... -
Page 13: Lra (Locked Rotor Amp)
Application Guidelines Electrical data, connections and wiring LRA (Locked Rotor Amp) Locked Rotor Amp value is the highest average the starting current. However in most cases, the current as measured on mechanically blocked real starting current will be lower. A soft starter compressor tested under nominal voltage. -
Page 14: Wiring Connections
Application Guidelines Electrical data, connections and wiring Wiring Connections Electrical supply is connected to the compressor The control board comes pre-installed within terminals by Ø 4.8 mm (3/16”) screws. The the terminal box of full package compressor. maximum tightening torque is 3 Nm. Use a ¼” The control board comes with pre-wired liquid ring terminal on the power leads. -
Page 15: Terminal Box Temperature
70°C. Consequently, if the compressor is compressor damaged related to this will not installed in an enclosure, precautions must be be covered by Danfoss warranty. In the same taken to avoid that the temperature around the manner, cables must be selected in a way to... -
Page 16: Approvals And Certificates
(European Directive) All 60 Hz PSH models (Underwriters Laboratories) Other approvals / certificates Contact Danfoss Pressure Equipment Products PSH019 to 039 Directive 97/23/EC Refrigerating fluids Group 2 Category PED Evaluation module Service temperature - Ts -35°C < Ts < 55°C Service pressure - Ps 33.3 bar(g) -
Page 17: Operating Conditions
Application Guidelines Operating conditions Refrigerant and PSH compressors are to be used with R410A refrigerant,with polyolester oil. lubricants R410A • R410A’s superior thermodynamical properties • Because of the higher system efficiency it compared to R22 and R407C refrigerants allow for allows to achieve, R410A is in this regard the best today’s massive –... -
Page 18: Application Envelope
Application Guidelines Operating conditions Application envelope The operating envelope for PSH scroll • A suction superheat below 5 K is not allowed compressors is given in the figure below, where due to the risk of liquid flood back, the condensing and evaporating temperatures •... -
Page 19: Liquid Injection
2.3 bar for R410A. The compressor can R410A. be operated full time under such condition. The Liquid Injection Danfoss PSH requires liquid injection to maintain The discharge temperature sensor must use PT1000. The discharge temperature sensor sufficiently low discharge gas temperature in the operating envelope. -
Page 20: Cycle Rate Limit
12 reduces the service life of the motor- a minimum compressor running time of 2 compressor unit. A three-minute (180-sec) time minutes so as to provide for sufficient motor out is recommended. 180 s Please contact Danfoss Technical Support for any deviation from this guideline. FRCC.PC.022.A4.02... -
Page 21: 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 compared to R22 / R407C systems. -
Page 22: Off-Cycle Migration
A noisy start, oil loss from the sump and sump Danfoss PSH scroll compressors can tolerate cool down are indications for migration. occasional flooded starts as long as the total Depending on the amount of migration graduate... - Page 23 A sump heater is only effective if capable Surface sump heater accessories are available of sustaining this level of temperature difference. from Danfoss (see section "Accessories"). Tests must be conducted to ensure that the appropriate oil temperature is maintained under all ambient conditions (temperature and wind).
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Page 24: Liquid Flood Back
A continuous liquid flood back will cause oil dilution and, in extreme situations lead to lack of lubrication and high rate of oil leaving the Danfoss PSH scroll compressors can tolerate occasional liquid flood back. However system compressor. Liquid flood back test - Repetitive liquid... -
Page 25: Low Ambient Application
"Low pressure" in order to prevent this from happening. Low ambient operations The Danfoss PSH scroll compressor requires The superheat setting of the expansion device a minimum pressure differential of 6 to 7 bar should be sufficient to ensure proper superheat between the suction and discharge pressures levels during low loading periods. -
Page 26: Specific Application Recommendations
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 27: Water Utilizing Systems
Application Guidelines Specific application recommendations Discharge line and reversing The Danfoss PSH scroll compressor is a high allowed between the compressor discharge port valve volumetric machine and, as such, can rapidly and the reversing valve or any other restriction. build up pressure in the discharge line if gas... -
Page 28: Sound And Vibration Management
Never switch leads at the compressor terminals. Running sound level Compressor acoustic hoods have been Sound power dB(A) Sound power developed to meet specific extra-low noise dB(A) 50Hz 60Hz requirements. PSH019 PSH023 76.5 78.5 PSH026 77.5 PSH030 77.5 PSH034 PSH039 Sound Power and attenuation are given at -7/50°C condition. -
Page 29: Installation
The (Note: The model reference relationship between recommended tandem piping design is similar PSH and SH are: PSH019 refer to SH090, PSH023 to even tandem of SH090-105-120-140-161-184. refer to SH105, PSH026 refer to SH120, PSH030... -
Page 30: Tandem Kits
Application Guidelines Installation Tandem Kits The tandem rail assembly is fixed on the unit rails using rigid spacer that included in tandem frame using rubber grommets supplied with kits code number 7777053 described below. compressor. The Compressors are fixed on the Composition of tandem kits code number 7777053 Description Flat washer 4mm... -
Page 31: Tandem Configuration
Application Guidelines Installation Tandem Configuration PSH019-23-26-30-34-39 are qualified with even tandem combination use static system to balance the oil level between the compressors. Oil equalization Outline drawing Tandem configuration Suction Discharge line number PSH019+PSH019 1"3/8 1"3/8 1"1/8 5216818P01A PSH023+PSH023 1"5/8 1"3/8... -
Page 32: Tubing
Application Guidelines Installation The presence of non-condensable substances system cleanliness into account when assembling and system contaminants such as metal a refrigeration system. shavings, solder and flux, have a negative impact on compressor service life. Many of these During the manufacturing process, circuit contaminants are small enough to pass through a contamination may be caused by: mesh screen and can cause considerable damage... -
Page 33: System Pressure Test
Remaining flux would cause corrosion of the tubing. For specific applications not covered herein, please contact Danfoss for further information. 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 Heat shield system and compressor. -
Page 34: Vacuum Evacuation And Moisture Removal
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 35: Refrigerant Charge Limit
(in weight) can be used to roughly define the required oil top-up quantity but in any case the oil charge has to be adjusted based on the oil Always use original Danfoss POE oil 160SZ from level in the compressor sight glass. new cans. -
Page 36: Ordering Information And Packaging
Application Guidelines Ordering information and packaging Packaging Single pack Compressor model Length (mm) Width (mm) Height (mm) Gross weight (kg) PSH019 PSH023 PSH026 PSH030 PSH034 PSH039 Industrial pack Compressor Static stacking Nb * Length (mm) Width (mm) Height (mm) Gross weight (kg ) -
Page 37: Ordering Information
Application Guidelines Ordering information and packaging Ordering information Danfoss PSH scroll compressors can be ordered code numbers from below tables for ordering: in either industrial or single packs. Please use the Single pack Code number Compressor model Connections Motor code 3... - Page 38 Description Application Packaging size 120Z0125 Rotolock adaptor set (1"3/4 ~ 1"1/8) , (1"1/4 ~ 7/8") PSH019 Multipack 120Z0405 Rotolock adaptor set (1"3/4 ~ 1"3/8) , (1"1/4 ~ 7/8") PSH023 to 039 Multipack 7765006 * Rotolock adaptor set (1"3/4 ~ 1"3/8) , (1"1/4 ~ 7/8")
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Page 39: Accessories
Multipack 120Z0389 80W 230V surface sump heater CE & UL Multipack 120Z0390 80W 400V surface sump heater CE & UL PSH019 to 039 Multipack 120Z0391 80W 460V surface sump heater CE & UL Multipack 120Z0402 80W 575V surface sump heater CE & UL Multipack Terminal boxes, covers &... - Page 40 Sight glass with gaskets (black & 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 FRCC.PC.022.A4.02...
- Page 41 Application Guidelines Updates Previous Version Current Version • Page 5: Nomenclature • Page 5: Updated Motor voltage code 4 in nomenclature. • Page 11: Connection details • Page 11: Added Bare compressor version to connection details. • Page 11: Liquid injection valve •...
- Page 44 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.022.A5.02 © Danfoss | DCS (CC) | 2015.12...