Danfoss DSF090 Guida utente

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Application Guide

Scroll compressors

DSF090 to DSF530

Single and manifold, 50-60 Hz - R32

Contents

Safety and warnings 5

Introduction 6

Product description 6

Cut Away DSF090-200 6

Cut away DSF 270-530 7

How do IDVs work? 7

Product identication 8

Name Plate 8

Nomenclature 8

Compressors serial number 9

Certicates, declarations, and approvals 10

Low voltage directive 2014/35/EU 10

Machines directive 2006/42/EC 10

Pressure equipment directive 2014/68/EU 10

Internal free volume 10

Refrigerants 11

General information 11

R32 11

Technical specication 12

50-60 Hz data, Single compressor 12

Performance data 13

R32 50-60 Hz, Single compressor 13

Tandem and trio performances 13

Sound and vibration data 14

Compressor sound radiation 14

Mechanical vibrations 15

Operating envelope data 16

Operating envelope 16

Dimensions 18

Single compressors 18

Tandem assemblies 19

Scroll compressors, DSF090 to DSF530 | Contents

Trio assemblies 20

Mechanical connections 22

Connection details 22

Design compressor mounting 22

Design piping 26

Electrical connections 33

Wiring connections 33

Electrical specications 35

Application 41

Manage oil in the circuit 41

Manage sound and vibration 41

Manage operating envelope 42

Manage superheat 44

Manage o cycle migration 46

Power supply and electrical protection 49

Control logic 52

Reduce moisture in the system 53

Assembly line procedure 54

Commissioning 57

Dismantle and disposal 58

Packaging 59

Single pack 59

Industrial pack 59

Ordering 60

Compressor code numbers 60

Single pack 60

Industrial pack 60

Accessories and spare parts 62

Gaskets 62

Solder sleeve 62

Rotolock nut 62

Motor protection modules 62

Crankcase heaters 63

Mounting hardware 63

Lubricant 63

Scroll compressors, DSF090 to DSF530 | Contents

Terminal boxes, covers and T-block connectors 64

Acoustic hoods 64

Miscellaneous 64

Tandem kits 65

Trio kits 65

Online support 66

Scroll compressors, DSF090 to DSF530 | Contents

Safety and warnings

Danfoss compressors are designed and manufactured according to the state of the art and to valid European and US

regulations. Particular emphasis has been placed on safety and reliability. Related instructions are highlighted with

the following icons:

This icon indicates instructions to avoid safety risk.

This icon indicates instructions to avoid reliability risk.

The purpose of this guideline is to help customers qualify compressors in the unit. You are strongly advise to follow

these instructions. For any deviation from the guidelines, please contact Danfoss Technical Support. In any case,

Danfoss accepts no liability as a result of the improper integration of the compressor into the unit by the system

manufacturer.

Scroll compressors, DSF090 to DSF530 | Safety and warnings

CC-000005

Intermediate discharge valves (IDVs) increase

seasonal eciency

Heat shield lowers the heat transfer between

discharge and suction gas and the sound level

Internal Non Return Valve (INRV) prevents

excessive leak rate from high pressure side

Lead free polymer bearings improve behavior

under poor lubrication conditions

Patented motor cap for optimal motor cooling and

higher resistance to liquid slugging

Organ pipe masters oil circulation in manifold

conguration.

Introduction

Product description

DSF series scroll compressor benet from an improved design to achieve the highest eciency and increased life

time.

Cut Away DSF090-200

Figure 1: Cut Away DSF090-200

Scroll compressors, DSF090 to DSF530 | Introduction

Intermediate discharge valves (IDVs) increase

seasonal eciency

Heat shield lowers the heat transfer between

discharge and suction gas and the sound level

Integrated discharge gas temperature protection

(DGT)

Internal Non Return Valve (INRV) prevents

excessive leak rate from high pressure side

Lead free polymer bearings improve behavior

under poor lubrication conditions

Patented motor cap for optimal motor cooling

Patented gas path ow with gas intake design

induce higher resistance to liquid slugging

Organ pipe masters oil circulation in manifold

conguration.

Cut away DSF 270-530

Figure 2: Cut Away DSF 270-530

How do IDVs work?

Figure 3: Intermediate Discharge Valve (IDV)

Danfoss Intermediate Discharge Valves (IDVs) are located close to the discharge side of the compressor. They reduce

excessive compression of refrigerant under part-load conditions while maintaining the same cooling capacity. The

IDVs open when discharge pressure falls below the built-in optimization point. They adapt the eort of the motor to

the varying load and pressure conditions in the system, thus reducing the eort of the motor and its electrical

consumption and improving the system’s seasonal energy eciency.

Scroll compressors, DSF090 to DSF530 | Introduction

M A D E I N F R A N C E

Model no : DSF485A4ABA

Serial no : ZQ1109974321 380-415V 3~ 50Hz

460V 3~ 60 Hz

Thermally protected system

P.E.D.

Marking LP side HP side

PS 31,2 bar 48,7 bar

TS max 51,0 °C 150,0 °C

TS min -35,0 °C -35,0 °C

Volume 27,5 L 3,9 L

Lubricant: 185 SL

2021

Refrige rant: R32

1234799011

PROTECTED BY DOMESTIC AND FOREIGN PATENTS

0094

LR 343 A MAX OPER.92 A

Model number

Serial number

Approvals

Refrigerant

Supply voltage, Starting current & Maximum

operating current

Housing service pressure

Factory charged lubricant

Product identication

Name Plate

Figure 4: Name Plate

Nomenclature

Danfoss scroll compressor DSF for R32 is available as single compressor and can be assembled in tandem or trio

combinations. The example below presents the compressor nomenclature which equals the technical reference as

shown on the compressor nameplate. Code numbers for ordering are listed in section Ordering.

Family, lubricant

& refrigerant

DSF: Scroll, POE lubricant,

R32

Motor protection

A: Electronic module, 24 V AC,

B: Electronic module, 110 – 240 V,

L : Internal overload protector

Suction and discharge connections

A: Brazed connections

Family,

lubricant

& refrigerant

Nominal

capacity

Approvals Voltage Version Evolution

index

Evolution index

A~Z

A4DSF A AB530

Motor voltage code

3: 208-230V/3~/60Hz

4: DSF090-200: 400/3~/50Hz - 460V/3~/60Hz

DSF270-530: 380-415/3~/50Hz - 460V/3~/60Hz

7: 575V/3~/60Hz

9: 380-400V/3~/60Hz

Motor index

Nominal capacity

in thousand Btu/h at 60 Hz

ARI conditions

Scroll compressors, DSF090 to DSF530 | Product identication

Compressors serial number

Year code 8 Digit serial number

12345678A 25B

Plant assembly line code

Month code

Table 1: Serial number code legend table

Year code

Month code

Plant assembly line code

Year

Code

Month

Code

Plant

Code

1990, 2010

January

Trévoux, France

1991, 2011

February

1992, 2012

March

1993, 2013

April

Wuqing ,China

1994, 2014

May

1995, 2015

June

1996, 2016

July

1997, 2017

August

1998, 2018

September

1999, 2019

October

2000, 2020

November

2001, 2021

December

2002, 2022

2003, 2023

2004, 2024

2005, 2025

2006, 2026

2007, 2027

2008, 2028

2009, 2029

Scroll compressors, DSF090 to DSF530 | Product identication

Certicates, declarations, and approvals

DSF scroll compressors comply with the following approvals and certicates.

Certicates are listed on: Documentation for Commercial Compressor | Danfoss

Table 2: Approval and certicates

Approval and certicates

Certication logo

Models

CE0062 or CE0094 (European Directive)

All DSF models

UL (Underwriters Laboratories)

All DSF models

Other approvals / certicates

Contact Danfoss

Low voltage directive 2014/35/EU

Table 3: Low voltage directive 2014/35/EU

Products

DSF models

Declaration of conformity

Contact Danfoss

Machines directive 2006/42/EC

Table 4: Machines directive 2006/42/EC

Products

DSF models

Manufacturer’s declaration of incorporation

Contact Danfoss

Pressure equipment directive 2014/68/EU

Table 5: Pressure equipment directive 2014/68/EU

Products

DSF090-200

DSF270-325

DSF485-530

Refrigerant uids

Group 1

Category PED

III

Maximum / Minimum temperature (Low side) - Ts

-35°C < Ts < 53°C

-31°F < Ts < 127°F

-35°C < Ts < 51°C

-31°F < Ts < 125.6°F

Maximum allowable pressure (Low side) - Ps

32.7bar(g) / 474psig

31.2 bar(g) / 452 psig

Maximum allowable pressure (High side) - Ps

48.7 bar(g) / 706 psig

Declaration of conformity

Contact Danfoss

Internal free volume

Table 6: Internal free volume

Products

Internal free volume without oil

Low pressure side

High pressure side

Total

litre

cu.inch

litre

cu.inch

litre

cu.inch

DSF090-100

11.7

714

0.7

12.4

757

DSF115-175

13.6

830

0.7

14.3

873

DSF200

13.9

848

0.7

14.6

891

DSF270

27.5

1678

2.9

177

30.4

1855

DSF325

27.1

1654

2.8

171

29.9

1825

DSF485

28.5

1739

3.9

238

32.4

1977

DSF530

28.5

1739

3.9

238

32.4

1977

Scroll compressors, DSF090 to DSF530 | Certicates, declarations, and approvals

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