KAESER KOMPRESSOREN FSD SIGMA CONTROL 2 User manual

Service Manual
Screw Compressor
FSD SIGMA CONTROL 2
Manufacturer:
KAESER KOMPRESSOREN
96410 Coburg· PO Box 2143· GERMANY· Tel. [phone]· Fax [phone]
http://www.kaeser.com

Original instructions
IKKW/SFSD 2.02 en SBA·SCHRAUBEN-SC
IKKW/SSC 2.02
20120626121258
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Contents
1 Regarding !his document
1.1 Using this document ......................................... ... ............................................................. 1
1.2 Further documents ........................................................................................................... 1
1.3 Copyright ..........................................................................................................
... ............. 1
1.4 Symbols
and labels ........................................................................................,................. 1
1.4.1 Warnings ............................................................................................................. 1
1.4.2 Potential damage warnings ................................................................................ 2
1.4.3 Other alerts and their
symbols .. .......................................................................... 2
2 Technical Specifications
2.1 Nameplate ............ ............................................................................................................ 4
2.2 Optional accessories ........................................................................................................ 4
2.3 Weight
... .... ..... ... ....................... ...... ................ ... ............................................... ...... .......... 4
2.4 Select Temperature .......................................................................................................... 5
2.5 Ambient conditions
.. ......................................................................................................... 5
2.6 Ventilation ......
,. .......... ... ................................................................................................... 6
2.7 Pressure
..... ........ ... ........................................................................................................... 7
2.8 Delivery ................................................................:........................................................... 7
2.9 Cooling
oil recommendation ............................................................................................. 8
2.10 Cooling
oil charge ............................................................................................................ 10
2.11 Motors and Power ............................................................................................................ 11
2.11.1 Compressor drive motor ..................................................................................... 11
2.11.2 Fan motor ........................................................................................................... 11
2.11.3 Fan motor ........................................................................................................... 12
2.12 Noise emission [dB(A)) ..................................................................................................... 13
2.13 PowerSupply ................................................................................................................... 13
2.14 Power supply specifications ............................................................................................. 13
2.14.1 Mains frequency: 50 Hz ...................................................................................... 14
2.14.2 Mains frequency: 60
Hz ...................................................................................... 14
2.15 Water cooling ................................................................................................................... 15
2.15.1 Design data ......................................................................................................... 15
2.15.2 Cooling water quality .......................................................................................... 16
2.16 Available heat capacity .................................................................................................... 17
3 Safety and Responsibility
3.1
3.2
3.3
3.4
3.5
3.6
3.7
3.8
3.9
3.10
Basic instructions .............................................................................................................
Specified
use ....................................................................................................................
Improper use ..................................................................................................................
..
User's Responsibilities .....................................................................................................
3.4.1 Observe statutory and universally accepted regulations .................................. ..
3.4.2 Determining personnel ...................................................................................... ..
3.4.3 Adherence to inspection schedules and accident prevention regulations ........ ..
Dangers .......................................................................................................................... ..
3.5.1 Safely dealing with sources ofdanger ................................................................
3.5.2 Safe machine operation ....................................................................................
..
3.5.3 Organisational Measures .................................................................................. ..
3.5.4 Danger Areas .................................................................................................... ..
Safety devices ................................................................................................................ ..
Safety signs ......................................................................................................................
Emergency situations .......................................................................................................
3.8.1 Correct fire fighting .............................................................................................
3.8.2 Treating injuries
from handling cooling oil ..........................................................
Warranty ...........................................................................................................................
Environment protection ..................................,.................................................................
Service Manual Screw Compressor
FSD SIGMA CONTROL 2
18
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24
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27
27
28

ii
Contents
4 Design and Function
4.1 Enclosure ......................................................................................................................... 29
4.2 Machine function ..................................................................................... ... ...................... 29
4.3 Floating relay contacts .....................................................................................................
30
4.4 Options ............................................................................................................................. 31
4.4.1 Machine mountings ............................................................................................. 31
4.4.2 Water-cooling ...................................................................................................... 31
4.4.3 Cooling airfilter mat ............................................................................................ 31
4.4.4 Prepared tor extemal he at recovery ................................................................... 32
4.4.5 Control air connection tor modulating control .....................................................
32
4.5 Operating modes and control modes ............................................................................... 33
4.5.1 Operating modes .................... .... ........................................................................ 33
4.5.2 Control modes .................................................................................................... 33
4.6 Safety Devices ................................................................................................................. 35
4.7 Operating panel SIGMA CONTROL 2 ............................................................................ 35
5 Installation and Operating Conditions
5.1 Ensuring safety ... ............................................................................................................. 39
5.2 Installation conditions ....................................................................................................... 39
5.2.1 Determining loeation and clearances .... .............................................................. 39
5.2.2 Ensuring the machine room ventilation ............................................................... 40
5.2.3 Exhaust duct design ........................................................................................... 41
5.3 Operating the machine in acompressed air network ....................................................... 41
6 Installation
6.1 Ensuring safety ................................................................................................................ 42
6.2 Reporting Transport Damage ...... ..................................................................................... 43
6.3 Connecting the machine
with the compressed air network .............................................. 43
6.4 Connecting the power supply ...........................................................................................
43
6.5 Connecting the Condensate Drain ................................................................................... 44
6.6 Options .... ................................................................................................. .... .................... 45
6.6.1 Anchoring the machine .. ..................................................................................... 45
6.6.2 Connecting the cooling water ............................................................................. 45
6.6.3 Connecting the extemal heat recovery system ................................................... 46
6.6.4 Connecting external control air ........................................................................... 46
7 Initial Start-up
7.1 Ensuring safety ................................................................................................................ 48
7.2 Instructions to be observed before commissioning or re-commissioning ......................... 49
7.3
Checking installation and operating conditions ................................................................ 49
7.4 Setting the overload protection cut-out ............................................................................ 50
7.5 Setting the motor overload proteetion switch ................................................................... 50
7.6 Filling cooling oil into the airend ....................................................................................... 50
7.7 Activaling and deactivating the MODULATlNG control .. .................................................. 52
7.8 Switching MODULATING control
to external control air .................................................. 52
7.9 Starting the machine tor
the first time .............................................................................. 53
7.10 Setting the set point pressure .......................................................................................... 53
7.11 Setting the display language ............................................................................................ 53
8 Operation
8.1 Switching on and off ............................................................................................. .... ........ 55
8.1.1 Switching on ....................................................................................................... 55
8.1.2 Switching off ....................................................................................................... 55
8.2 Switching off
in an emergency and switching on again .................................................... 56
8.3 Switching on and offfrom a remote control centre ........................................................... 56
8.4 Switching on and off with the clock .................................................................................. 57
Service Manual Screw Compressor
FSD SIGMA CONTROL 2

IJ.~J;~~.~jJ.l _c_o_n_t_e_n_t_s ____________________________________________________ __
8.5 Interpreting operation messages ...................................................................................... 58
8.6 Acknowledging alarm and warning messages .............................................•................... 58
9 Fault Recognition
and Rectification
9.1 Basic instructions ............................................................................................................. 61
9.2 Other Faults ..................................................................................................................... 61
10 Maintenance
10.1 Ensuring safety .......................... ... ....................... ... ......................................................... 63
10.2 Following the maintenance plan ....................................................................................... 64
10.2.1 Logging maintenance work ................................................................................. 64
10.2.2 Resetting maintenance interval counters ............................................................ 64
10.2.3 Regular maintenance tasks ................................................................................ 64
10.2.4 Cooling oil: Change interval ................................................................................ 65
10.2.5 Regular service tasks ......................................................................................... 66
10.3 Control cabinet: Clean or renew the filter mat .................................................................. 66
10.4 Cooler maintenance .........................................................................................................
67
10.5 Water-cooling Maintenance ............................................................................................. 68
10.6 Cleaning or Renewing the Cooling Air Filter Mat ............................................................. 69
10.7 Maintaining the heat recovery system. ............................................................................. 70
10.7.1 External heat recovery system .... ..................................... ... ............................... 70
10.8 Changing the air filter........ ... ............................................................................................ 70
10.9 Motor maintenance .......................................................................................................... 71
10.10 Checking the Coupling ..................................................................................................... 73
10.11 Testing the pressure relief valve ...... ........ ........................... ... .......................................... 74
10.12 Checking the overheating safety shutdown function ........................................................ 74
10.13 Checking the cooling oillevel ........................................................................................... 75
10.14 Venting the machine (de-pressurising) ............................................................................ 75
10.15 Replenishing the cooling oil ............................................................................................. 77
10.15.1 Venling the machine (de-pressurising) ............................................................... 77
10.15.2 Topping up with cooling oil and trial run ............................................................. 78
10.16 Changing the Cooling Oil ................................................................................................. 79
10.17 Changing the oil filter........................................................................................ ... ............ 83
10.18 Changing the oil separator cartridge ................................................................................
84
10.19 Condensate drainage maintenance ................................................................................. 86
10.19.1 Checking condensate drainage....... .... ... ............................................................ 86
10.19.2 Cleaning the condensate drain ........................................................................... 87
10.20 Assembling ßexible pipe connections.............................................................................. 89
10.21 Documenting maintenance and service work .................................................................. 90
11 Spares, Operating Materials, Service
11.1 Note the Nameplale . ... ...... ............................................................................................... 91
11.2 Ordering consumable parts and operating ßuids/materials .............................................. 91
11.3 KAESER AIR SERVICE .................................................................................................. 91
11.4 Service Addresses ........................................................................................................... 92
11.5 Spare Parts for Service and Repair ................................................................................. 92
12 Decommissioning, Storage and Transport
12.1 Putting Out of Operation...................... .... ........................................................................ 97
12.2 Packing........................................... .... ............................................................................. 97
12.3 Storage ........................................................... ,. ... ... ....................................... ... ................ 97
12.4 Transport .......................................................................................................................... 98
12.4.1 Safety .................................................................................................................. 98
12.4.2 Transport with a forklift truck ............................................................................... 98
12.4.3 Transport wilh a crane ........................................................................................ 98
12.5 Disposal ........................................................................................................................... 99
Service Manual Screw Compressor
9_5894 22 E FSD SIGMA CONTROL 2 iii

iv
Contents
13 Annex
13.1 Pipeline and instrument flow diagram (P+I diagram) .......................................................
100
13.2 Pipeline and instrument flow diagram (P&I diagram) MODULATING control .................. 103
13.3 Dimensional drawing ........................................................................................................ 106
13.4 Electrical Diagram .................................................................................•............•.•..•........ 110
Service Manual Screw Compressor
FSD SIGMA CONTROL 2

Fig.1
Fig.2
Fig.3
Fig.4
Fig.5
Fig.6
Fig.7
Fig.8
Fig.9
Fig.10
Fig.11
Fig.12
Fig.13
Fig.14
Fig.15
Fig.16
Fig.17
Fig.18
Fig.19
Fig.20
Fig.21
Fig.22
Fig.23
Fig.24
Fig.25
Fig.26
Fig.27
Fig.28
Fig.29
Fig.30
Fig.31
Fig.32
Fig.33
Fig.34
Fig.35
Fig.36
Fig.37
Fig.38
Fig.39
Fig.40
Fig.41
List of Illustrations
Maximum relative humidity of intake air .....................................................................................
Location of safety signs ..............................................................................................................
Enclosure overview .. ,.................................................................................................................
Machine layout ...........................................................................................................................
Machine mountings ....................................................................................................................
Water-cooling (option K2) ...........................................................................................................
Cooling air filter mat (option K3) .................................................................................................
Keys ...........................................................................................................................................
Indicators ....................................................................................................................................
RFID sensor field ........................................................................................................................
Recommended machine placement and dimensions [mm] ........................................................
Compressed air pipework ...........................................................................................................
Condensate drain dimensions [mm] ...........................................................................................
Connecting the cooling water .....................................................................................................
Inlet valve filling port ...................................................................................................................
Coupling .....................................................................................................................................
MODULA TlNG contro!: Setting the shut-off valve ......................................................................
Switching on and off ...................................................................................................................
Switching off in an emergency ...................................................................................................
Switching on and off from a remote control centre .....................................................................
Switching on and off with the clock ............................................................................................
Acknowledging messages ..........................................................................................................
Switching cabinet ventilation ......................................................................................................
Clean cooler/radiator ..................................................................................................................
Cooling air filter mat ...................................................................................................................
Air filter maintenance ..................................................................................................................
Drive motor maintenance ...........................................................................................................
Checking the coupling .............................................,.................................................................
Checking the cooling oil level ...................................,.................................................................
Venting the machine ...................................................................................................................
Replenishing the cooling oil ......................................,.................................................................
Changing the cooling oil, oil separator tank ...............................................................................
Changing the cooling oil, oil cooler .............................................................................................
Changing the cooling oil, airend .................................................................................................
Changing the oil filter ..................................................................................................................
Changing the oil separator cartridge ..........................................................................................
Checking condensate drainage ................................,.................................................................
Cleaning the condensate drain ...................................................................................................
Assembling flexible pipe connections .........................................................................................
Transport with a forklift truck ......................................................................................................
Transport with a crane ................................................................................................................
Service Manual Screw Compressor
FSD SIGMA CONTROL 2
6
25
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30
31
31
32
35
36
37
40
43
45
46
51
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57
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t"'~!.1 _L_is_t_o_f_II_lu_s_t_m_t_io_n_s __________________ _
_ «·N~;~~·m$~
vi
Service Manual ScrewCompressor
FSD SIGMA CONTROL 2

Tab. 1
Tab. 2
Tab. 3
Tab. 4
Tab. 5
Tab. 6
Tab. 7
Tab. 8
Tab. 9
Tab. 10
Tab. 11
Tab. 12
Tab. 13
Tab. 14
Tab. 15
Tab. 16
Tab. 17
Tab. 18
Tab. 19
Tab. 20
Tab. 21
Tab. 22
Tab. 23
Tab. 24
Tab. 25
Tab. 26
Tab. 27
Tab. 28
Tab. 29
Tab. 30
Tab. 31
Tab. 32
Tab. 33
Tab. 34
Tab. 35
Tab. 36
Tab. 37
Tab. 38
Tab. 39
Tab. 40
Tab. 41
Tab. 42
Tab. 43
Tab. 44
Tab. 45
Tab. 46
Tab. 47
Tab. 48
Tab. 49
Tab. 50
Tab. 51
Tab. 52
Tab. 53
Tab. 54
List of Tables
Danger levels and their definition (personal injury) ....................................................................
Danger levels and their definition (damage to property) ............................................................
Nameplate ..................................................................................................................................
Optional accessories ..................................................................................................................
Machine weight ..........................................................................................................................
Select T emperature .................................................................................................................. ..
Ambient conditions .....................................................................................................................
Overview Ventilation (50 Hz) ......................................................................................................
Overview Ventilation (60 Hz) ......................................................................................................
Pressure relief valve activating pressure (50Hz) ........................................................................
Pressure relief valve activating pressure (60Hz) ........................................................................
FAD (50 Hz) ...............................................................................................................................
FAD (60 Hz) ...............................................................................................................................
Cooling oil recommendation .......................................................................................................
Cooling oil recommendation (food processing) ..........................................................................
Cooling oil recommendation (machines for snow cannons) ..................................................... ..
Cooling oil charge (Option K1) ..........:........................................................................................
Cooling oil charge (Option K2) ...................................................................................................
Cooling oil charge (option W1) ...................................................................................................
Compressor drive motor .............................................................................................................
Compressor motor (60Hz) ..........................................................................................................
Fan motor (option K1) ................................................................................................................
Fan motor (Option K1. 60Hz) .....................................................................................................
Fan motor (Option K2. 50Hz) ................................................................................................... ..
Fan motor (Option K2. 60Hz) .....................................................................................................
Noise emission [dB(A})50Hz ......................................................................................................
Noise emission [dB(A})60Hz ......................................................................................................
Supply details 400VJ3f50Hz .......................................................................................................
Supply details 380Vf3f60Hz .......................................................................................................
Supply details 440VJ3f60Hz .......................................................................................................
Supply details 460VJ3f60Hz .......................................................................................................
Cooling water temperature (l1T=10K) ........................................................................................
Cooling water temperature (11 T=30K) ........................................................................................
Cooler specification (option K2) .................................................................................................
Cooling water quality ................................................................................................................ ..
Heat capacity (Option W1) .........................................................................................................
Inspection intervals according to Ordinance on Industrial Safety and Health ............................
Danger Areas .............................................................................................................................
Safety
signs ................................................................................................................................
Energy-efficient control modes ................................................................................................. ..
Operating modes under MODULATING control ....................................................................... ..
Buttons .......................................................................................................................................
Displays ......................................................................................................................................
RFID
sensor field ........................................................................................................................
Re-commissioning after storage .................................................................................................
Installation conditions checklist ..................................................................................................
MODUlATING
control: Setting the shut-off valve .................................................................... ..
Machine identification ............................................................................................................... ..
Remote control identification .................................................................................................... ..
Machine identification .................................................................................................................
Other
faults and actions .............................................................................................................
Regular maintenance tasks ........................................................................................................
Cooling oil: Change intervals ......................................................................................................
Regular service tasks .................................................................................................................
Service Manual Screw Compressor
FSD SIGMA CONTROL 2
1
2
4
4
5
5
5
6
6
7
7
7
8
8
9
9
10
10
10
11
11
11
12
12
12
13
13
14
14
14
14
15
16
16
16
17
19
24
25
34
35
36
37
38
49
49
52
57
57
58
61
64
65
66
vii

viii
Tab. 55
Tab. 56
Tab. 57
List of Tables
Dimensions of the flexible pipe connection ................................................................................
Logged maintenance tasks .......................................................................................... '" ...........
Machine maintenance parts .......................................................................................................
Service Manual Screw Compressor
FSD SIGMA CONTROL 2
89
90
91

1 Regarding this document
1.1
Using this document
1 Regarding this document
1.1 Using this document
The operating manual is a component of the product. It describes the machine as it was at the time
of first delivery after manufacture.
~ Keep the operating manual in a safe place throughout the life ofthe machine.
~ Supply any successive owner or user with this operating manual.
~ Please insert any amendment or revision ofthe operating manual sent to you.
~ Enter details from the machine nameplate and individual items of equipment in the table in
chapter
2.
1.2 Further documents
Further documents included with this operating manual are:
• Certificate
of acceptance I operating instructions for the pressure vessel
• Declaration ofConformity in accordance with the applicable directive
• Operating manual for SIGMA
CONTROl 2
Missing documents
can be requested from KAESER.
~ Make sure all documents are complete and observe the instructions contained in them.
~ Make sure you provide the data from the nameplate when ordering documents.
1.3 Copyright
This service manual is copyright protected. Queries regarding use orduplication of the documenta-
tion should be referred to KAESER. Correct use ofinformation will
be fully supported.
1.4 Symbols and labels
~ Please note the symbols and labels used in this document.
1.4.1 Wamings
Waming notices indicate dangers that may result in injury when disregarded.
Warning notices indicate three levels
of danger idenlified by the corresponding signal word:
Signal term Meaning Consequences
of disregard
DANGER Warns
of an imminent danger Will result in death or severe injury
WARNING Wams
of a potentially imminent danger May result in death or severe injury
CAUTION Wams of a potentially dangerous situation May result in a moderate physical injury
Tab. 1 Danger levels and their definition (personal injury)
Waming notices preceding a chapter apply to the entire chapter, including all sub-sections.
Example:
Service Manual Screw Compressor
FSD SIGMA CONTROL 2 1

2
1
1.4 Regarding this document
Symbols and labels
DANGER
The type and source of the imminent danger is shown here!
The possible consequences of ignoring a warning are shown here.
Ifyou ignore the warning notice.
the "DANGER" signal word indicates alethal or severe in-
jury will occur.
~ The measures required to protect yourself from dangerare shown here.
Warning notes referring
to a sub-section or the subsequent action are integrated into the procedure
and numbered as
an action.
Example:
1. WARNINGI
The type and source ofthe imminent danger is shown here!
The possible consequences of ignoring a warning are shown here.
Ifyou ignore the warning notice. the "WARNING" signal word indicates that
alethal or severe
injury may occur.
~ The measures required to protect yourself from danger are shown here.
2. Always read and comply with warning instructions.
1.4.2 Potential damage warnings
Contrary to the warnings shown above. damage wamings do not indicate a potential personal in-
jury.
Waming notices for damages are identified by their signal term.
Signal term .Meanlng Consequences
of disregard
NOTICE Warns ofa potentially dangerous situation Damage
to property is possible
Tab. 2 Danger levels and their definition (damage
to property)
Example:
NOT/CE
The type and source of the imminent danger is shown here!
Potential effects when ignoring
the waming are indicated here.
~ The protective measures against the damages are shown here.
~ Carefully read and fully comply with wamings against damages.
1.4.3 Other alerts and their symbols
o This symbol identifies particularly important information.
II
Service Manual Screw Compressor
FSD SIGMA CONTROL 2

1 Regarding
this document
1.4 Symbols and labels
Material Here you will find details on special tools, operating materials or spare parts.
Precondition Here you will find conditional requirements necessary to carry out the task.
Option
H1
()
o
Further information
The conditions relevant to safety shown here will help you to avoid dangerous situations.
~ This symbol denotes lists of actions comprising one stage of a task.
Operating instructions with several steps are numbered in the sequence of the operating steps.
Information relating to one option only are marked with an option code (e.g.,
H1 indicates that
this section applies only
to machines with screw-in machine feet). Option codes used in this
service manual are explained in chapter 2.2.
Information referring
to potential problems are identified by a question mark.
The cause is named in the help text ...
.. . .. as is a solution.
This symbol identifies important information or measures regarding the protection
of the envi-
ronment.
Further subjects are introduced here.
Service Manual Screw Compressor
FSD SIGMA CONTROL 2 3

I
!, , Ei.- 4 ~ I 2 Technical Specifications
;JeOOU;@*l.g,ÄtI -2-.1--N-a-m-e-p-la-t-e----.:~------------------------
4
2 Technical Specifications
2.1 Nameplate
The machine's nameplate provides the model designation and important technical information.
The nameplate is located
on the outside of the machine:
• above the cooler,
or
•
on the rear of the machine.
.. Enter here the nameplate data as a reference:
Feature
Rotary Screw Compressor
Part No.
Serial No.
Year
of manufacture
Rated power
Rated motor speed
Maximum working pressure
Ambient temperature
Tab. 3 Nameplate
2.2 Optional accessories
The table contains a list of possible options.
.. Enter options here as a reference.
Option
Modulating control
SIGMA CONTROL 2
Adjustable machine mountings
Air-cooling
Water cooling
Cooling-air filter mat
Prepared for heat recovery
Tab.4 Optional accessories
2.3 Weight
Option code
C1
C3
H1
K1
K2
K3
W1
Value
Available?
The weight given is the maximum. The actual weights
of the machine are dependent on the individ-
ually mounted equipment.
Service Manual Screw Compressor
FSD SIGMA CONTROL 2

I
!, , :t. 4 ~ .I 2 TechnicaJ Specifications
3.uqi;I~1a.til3"2 ~-.4~~s-e~lec--tT=e-m--p-e-ra-tu~r-e------------------------------------------------
Tab. 5
2.4
Tab. 6
2.5
Tab. 7
FSD471 FSD
501
Weight [kg)
6825
6550
Machine weight
Select Temperature
FSD471 FSD
501
Minimum cut-in tempera- 3 3
ture ["C)
Typical compressor block 65-100 65-100
discharge temperature
during operation ["C)
Maximum compressor 110 110
block discharge tempera-
ture (automatic safety
shut-down)
[0C)
Select Temperature
Ambient conditions
FSD471 FSD
501
Maximum elevation amsl* 1000
1000
Im]
Permissible ambient
te m- 3-45 3-45
perature
[0C)
Cooling air temperature 3-45 3-45
[0C)
Intake air temperature 3-45 3-45
[0C)
* Higher altitudes are permissible only after consultation with the manufacturer.
Ambient conditions
Service Manual 5crew Compressor
FSD SIGMA CONTROL 2
FSD571
---~-----~-------. --.
7100
FSD571
3
65-100
110
FSD571
1000
3-45
3-45
3-45
5

I
t, , :t. 4:r I 2 Technical Specifications
3~*R~~~-~-6--V-e-n-ti-~-ti-o-n--~-----------------------
6
H
100
90
BO
70
60
50
.............
.............. ..............
...............
..............
o 3
31 34 36 38 41 45
Fig. 1 Maximum relative humidity ofintake air
OJ Intake air temperature [0C]
(ffi Maximum relative humidity ofintake air [%]
2.6 Ventilation
The values given are minimum guide values.
Mains frequency 50 Hz
Inlet aperture
g) [m2]
see illustration 11.
Extractorfor forced venti-
lation:
Flow rate
[m
3
/h] at
100 Pa
Exhaust duct:
Dimensions [mm]
* Option
K2
Tab. 8 Overview Ventilation (50 Hz)
Mains frequency 60 Hz
Inlet aperture
~ [m2]
see illustration 11.
Extractor for forced venti-
lation:
Flow rate
[m
3/h] at
100 Pa
* Option K2
Service Manual Screw Compressor
FSD SIGMA CONTROL 2
FSD471
6.0/0.9*
13000·
1900 x 1000
FSD471
6.0/0.9·
13000·
FSD501
7.0/1.1*
16000·
T
FSD 571
7.0/1.1*
16000·
02·50030
1900 x1000
FSD 571
7.0/1.1*
16000·

I
!' , =t. 4 ::t -I 2 Technical Specifications
3.u;ig;r:vm.W3~1 -::2-=.7=-----=P-re-s-s-u-re---=---------------------------
Tab. 9
2.7
Tab. 10
Tab. 11
2.8
FSD471
Exhaust duct: 1900 x
1000
Dimensions (mm]
• Option
K2
Overview Ventilation (60 Hz)
Pressure
Maximum working pressure: (see nameplate)
Pressure relief valve activating pressure al
50 Hz (bar):
Maximum working over- FSD471
pressure [bar)
8.0
10.0
10.0
11.5
12.0
14.0
13.5
15.0
• China: 15.9
Pressure relief valve activating pressure (50Hz)
Pressure relief valve activating pressure al
60 Hz (bar):
Maximum working over- FSD471
pressure [bar)
8.5 10.0
10.0 11.5
12.0 14.0
15.0
Pressure relief valve activating pressure (60Hz)
Delivery
FAD [m3/min) al 50 Hz mains frequency
Maximum worklng pres-
sure (bar]
8.0
10.0
12.0
13.5
Service Manual Screw Compressor
FSD SIGMA CONTROL 2
FSD471
47.0
40.5
35.5
FSD 501 FSD571
1900 x 1000 1900 x 1000
FSD
571
10.0
14.0
16.0
16.0
FSD
501
FSD571
10.0 10.0
11.5 14.0
16.0
FSD571
57.0
46.0
39.3
7

I!I ,
:t- 4 =t I 2 Technical Specifications
*'Lq4;4:W'W$~ =2:.....9-.-..:.C--.:o:....ol=--in-g----O--il:....:r:....eco---...:...m~m-e-nd-:-a-t:-io-n--------------------
8
Maximum working pres-
sure [bar]
15.0
FS0471
FSD571
34.4
Tab. 12 FAD (50 Hz)
FAD [m3/min] at
60 Hz mains frequency
Maximum working pres- FSD471
sure [bar]
8.5
43.1
10.0
12.0 36.0
15.0
Tab. 13 FAD (60 Hz)
FSD501
49.4
49.0
FSD571
56.3
42.4
35.4
2.9 Cooling oil recommendation
A sticker showing lhe type of oil filled is to be found near the oil separator filling port.
Information on ordering cooling oil is found in chapter 11.
Cooling olls for general applications
SIGMA FLUID
MOL
Description Mineraloil
Application: Standard oil for all appli-
cations except
in con-
neclion wilh foodsluffs.
Particularly suitable for
machines wilh a low du-
ly cycle.
Approval
Viscosity at
44 mm
2/s
40
0o
C
(OIN 51562-1)
Viscosity at 6.8
mm
2/s
100°C
(DIN 51562-1)
Flash point
220 oe
(ISO 2592)
Densityat
15°C
Pour point
-33 oe
(ISO 3016)
Service Manual Screw Compressor
FSD SIGMA CONTROL 2
S-460 S-570
Silicone-free Synthetic oil
synthelic oil
Standard oil for all applications Standard oil for
East-/
except in connection with food- South-East-Asian coun-
sluffs. tries, suitable for all ap-
Particularly suitable for ma- plications except food
chines wilh a high duty cycle. processing.
Not suilable for East-/ South- Particularly suitable for
Easl-Asian countries. machines with a high
duty cycle.
45 mm
2/s 52.8
mm
2/s
(0 445; ASTM test)
(0445; ASTM test)
7.2 mm2/s 8.0 mm2/s
(0 445; ASTM test)
(0 445; ASTM test)
238
oe
258 oe
(0 92; ASTM test)
(0 92; ASTM test)
864 kg/m
3 0.869 kgll
(ISO 12185)
(01298; ASTM test)
-46°C
-54 oe
(0 97; ASTM test)
(0 97; ASTM test)

I
!, , *' :t -I 2 Technical Speeifications
;(emi4;lm.m;~ -=-2--::.9:--~Co-o::-lin-g-o::-il-re-co-m:""m-e-n-d-a-ti-o-n---------------------
SIGMAFLUIO
MOL
S-460
40/40/0/10 min
S-570
15 minOemulsibility
at 54 °C
(0 1401; ASTM test) (0 1401; ASTM test)
Tab.14 Cooling oil recommendation
Cooling oils
for applications in food processing
Oescription
Application
Approval
Viscosity at
40
0o
C
Viscosity at
100°C
Flash point
Oensity at
15°C
Pour point
Oemulsibility at
54
°c
SIGMA FLUID
FG460
Synthetic oil
FG-680
Synthetic oil
Specifically for applications where the Specifically tor applications where the
compressed air comes into contact compressed air comes into contact
with foodstuffs. with foodstuffs.
USOA H-1. NSF
Approved for the manufacture
of food
packaging. meat and poultry process-
ing and other food processing appli-
cations.
50.7 mm2/s
(0 445; ASTM test)
8.2
mm
2/s
(0445; ASTM test)
245°C
(0 92; ASTM test)
USOA H-1. NSF
Approved for the manufacture
of food
packaging. meat and poultry process-
ing and other food processing appli-
cations.
70.0 mm2/s
(0 445; ASTM test)
10.4
mm
2/s
(0 445; ASTM test)
245°C
(0 92; ASTM test)
Tab. 15 Cooling oil recommendation (food processing)
eooling oils for the operation with snow cannons
Oescription
Application
Approval
Viscosity at
40
0o
C
Viscosity at
100°C
Flash point
SIGMAFLUIO
PANOLIN HLP SYNTH
46
Saturated synthetic esterwith additives (mineral oil free).
Easily biologically degradable as per
OE CO criteria.
Specifically designed for machines intended
for the operation with snow
cannons.
47 mm2/s
8.1 mm2/s
> 210°C
Service Manual Screw Compressor
FSD SIGMA CONTROL 2 9

I
!, , ~ 4 =t I 2 Technical Specifications
3.004;,*:m.mÄ~ -2-.1-0--C-o-O-lin-g-O-i-l-ch-a-~-g=--e-------------------------
10
SIGMA FLUID
PANOLIN HLP SYNTH
46
Density at 15 oe 0.92 g/ml
Pour point
-35 oe
Demulsibility at 54 oe -
Tab.16 eooling oil recommendation (machines for snow cannons)
2.10 Cooling oil charge
For machines with the Option W1. the volume required additionally for the heat recovery must be
added
to the charge.
Option
K1 Aircooling
FSD471 FSD
501
FSD571
Fluid volume* [Iitre] 180 180 180
Topping up volume [Iitres] 20 20 20
(minimum-maximum)
* Plus the oil volume of
the heat recovery system.
Tab. 17 eooling oil charge (Option
K1)
Option K2
Water-cooled
FSD471 FSD501 FSD
571
Fluid volume* [Iitre] 180 180 180
Topping up volume (litres] 20 20 20
(minimum-maximum)
* Plus the oil volume of the heat recovery system.
Tab. 18 eooling oil charge (Option
K2)
Option W1 Heat recovery
Option
W1 The additional volume corresponds to the oil volume ofthe heat exchanger and the connecting
lines:
Additional charge vol-
ume [litresl*
FSD471
* Enter the volume required
by your heat recovery system.
Tab.19 eooling oil charge (option W1)
Service Manual Screw Compressor
FSD SIGMA CONTROL 2
FSD 501
FSD571