Danfoss DSH090 Guida utente

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Application Guide

Scroll compressors

DSH090 to DSH600

R410A - R454B - R452B, 50Hz -60Hz

Contents

Safety and warnings 5

Introduction 6

Product description 6

Cut Away DSH090-184 6

Cut Away DSH240-600 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

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

R410A 11

R452B 11

R454B 11

Technical specication 12

50-60 Hz data Single compressor 12

Performance data 13

R410A 50-60 Hz, Single compressor 13

R452B 50-60 Hz, Single compressor 14

R454B 50-60 Hz, Single compressor 15

Sound and vibration data 16

Compressor sound radiation - Single 16

Mechanical vibrations 17

Operating envelope data 18

Scroll compressors, DSH090 to DSH600 | Contents

Operating envelope 18

Dimensions 21

Single compressors 21

Tandem assemblies 22

Trio assemblies 24

Mechanical connections 26

Connection Details 26

Design compressor mounting 26

Design piping 31

Electrical connections 37

Wiring connections 37

Electrical Specications 39

Application 45

Manage oil in the circuit 45

Manage sound and vibration 45

Manage Operating envelope 46

Manage superheat 48

Manage o cycle migration 51

Power supply and electrical protection 54

Control logic 56

Reduce moisture in the system 58

Assembly line procedure 59

Commissioning 62

Dismantle and disposal 63

Packaging 64

Single pack 64

Industrial pack 64

Ordering 65

Single pack 65

Industrial pack 66

Accessories and Spare parts 68

Solder sleeve adapter set 68

Rotolock adapter 68

Gaskets 68

Scroll compressors, DSH090 to DSH600 | Contents

Solder sleeve 68

Rotolock nut 69

Motor protection modules 69

Crankcase heaters 69

Discharge temperature protection 70

Mounting hardware 70

Lubricant 70

Terminal boxes, covers and T-block connectors 70

Acoustic hoods 71

Miscellaneous 71

Tandem kits 71

Trio kits 72

Updates 73

Online support 74

Scroll compressors, DSH090 to DSH600 | 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, DSH090 to DSH600 | 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

Danfoss scroll compressor DSH for R410A, R454B and R452B is available as single compressor and can be assembled

in tandem or trio combinations.

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

time.

Cut Away DSH090-184

Figure 1: Cut Away DSH090-184

Scroll compressors, DSH090 to DSH600 | Introduction

CC-000006

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

Integrated discharge gas temperature protection

(DGT)

Lead free polymer bearings improve behavior

under poor lubrication conditions

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 DSH240-600

Figure 2: Cut Away DSH240-600

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, DSH090 to DSH600 | Introduction

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

Model no : DSH485B4APC

Serial no : JC112345678 380-415V 3~50Hz

460V 3~60Hz

LR 389A MAX OPER. 91 A

Thermally protected system

P.E.D.

Marking

TS Max

TS Min

Volume

Lubricant:P.O.E. 160SZ

LP Side HP Side

31,20 bar

52,0 C

-35,0 C

28,5 L

48,70 bar

150 C

-35 C

3,9 L

2019

Refrigerant: R410A R452B R454B

876543210

PROTECTED BY DOMESTIC AND FOREIGN PATENTS

0038 089

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

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

DSH: Scroll, POE lubricant,

R410A and R454B/R452B

(according to version) Motor protection

A: Electronic module, 24V AC, R410A only

B: Electronic module, 110-240V, R410A only

P: Electonic module, 110-240V, R410A/R454B/R452B

X: Electonic module,24V AC, R410A/R454B/R452B

L: Internal overload protector, R410A/R454B/R452B

Suction and discharge connections

A: Brazed connections

Family,

lubricant

& refrigerant

Nominal

capacity

Approvals Voltage Version Evolution

index

Evolution index

A~Z

C4DSH B AP485

Motor voltage code

3: 200-230V/3~/60 Hz for DSH090 to DSH184

208-230V/3~/60 Hz for DSH240 to DSH485

4: 380-415V/3~/50Hz - 460V/3~/60Hz

7: 575V/3~/60Hz

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

UL index

Nominal capacity

in thousand Btu/h at 60Hz

ARI conditions

Scroll compressors, DSH090 to DSH600 | 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, DSH090 to DSH600 | Product identication

Certicates, declarations and approvals

Certicates, declarations, and approvals

DSH scroll compressors comply with the following approvals and certicates. Certicate are listed on:

Documentation for Commercial Compressor | Danfoss

Table 2: Certicates, declarations, and approvals

Certicates, declarations, and approvals

Certication logo

Models

CE 0062, CE 0038 or CE 0094 (European Directive)

All DSH models

UL (Underwriters Laboratories)

All DSH models

Other approvals / certicates

Contact Danfoss

Low voltage directive 2014/35/EU

Table 3: Low voltage directive 2014/35/EU

Products

DSH models

Declaration of conformity

Contact Danfoss

Machines directive 2006/42/EC

Table 4: Machines directive 2006/42/EC

Products

DSH models

Manufacturer’s declaration of incorporation

Contact Danfoss

Pressure equipment directive 2014/68/EU

Table 5: Pressure equipment directive 2014/68/EU

Products

DSH090 to 184

DSH240-295

DSH381-485-600

Category PED R410A

III

Category PED R452B / R454B

III

Maximum / Minimum temperature - Ts

-35°C < Ts < 55°C

-31°F < Ts < 131°F

-35°C < Ts < 52°C

-31°F < Ts < 125.6°F

-35°C < Ts < 52°C

-31°F < Ts < 125.6°F

Maximum allowable pressure (Low side) - Ps

R410A : 33.3 bar (g) / R452B and R454B : 31.2 bar(g)

R410A : 483 psig / R452B and R454B : 453 psig

31.2 bar(g)

451 psig

31.2bar(g)

451psig

Maximum allowable pressure (High side) - Ps

48.7 bar(g)

706 psig

48.7 bar(g)

706 psig

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]

DSH090

11.7

714

0.7

12.4

757

DSH105

13.6

830

0.7

14.3

873

DSH120

13.6

830

0.7

14.3

873

DSH140

13.6

830

0.7

14.3

873

DSH161

13.6

830

0.7

14.3

873

DSH184

13.9

848

0.7

14.6

891

DSH240

27.5

1678

2.9

177

30.4

1855

DSH295

27.1

1654

2.8

171

29.9

1825

DSH381

31.1

1898

4.0

244

35.1

2142

DSH485

28.5

1739

3.9

238

32.4

1977

DSH600

30.1

1837

4.0

244

34.1

2081

Scroll compressors, DSH090 to DSH600 | Certicates, declarations and approvals

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