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Airwell SLS 2702 [42/77] English
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Page 41
Technical data
English
(1) Indicative value. Always refer to the value specified on the unit’s label.
SLS-R HE-BLN/HE-LN/HE-ELN 1402 1602 1802 1902 2002 2402 2602 2802
Nominal voltage
V/ph/Hz
400/3/50
Number of circuits 22222222
Number of steps 66666666
Capacity steps % 25 25 25 25 25 25 25 25
Refrigerant
Type R134a
Charge (1) kg 40+40 45+45 51+51 56+56 64+64 73+73 75+75 78+78
Compressors
Type Screw
Number 22222222
Start-up type Part-Winding Y/∆
Evaporator
Type Shell & Tube
Number 11111111
Minimum water content l 114 114 162 162 162 184 222 222
Hydraulic connections
Type Victaulic
Inlet diameter inch 5" 5" 6" 6" 6" 6" 6" 6"
Outlet diameter inch 5" 5" 6" 6" 6" 6" 6" 6"
Total heat recovery cond.
Type Shell & Tube
Number 22222222
Minimum water content l 15 17 17 28 32 34 36 36
Hydraulic connections
Type Gas threaded male type
Inlet diameter inch 2"1/2 2"1/2 2"1/2 3" 3" 3" 3" 3"
Outlet diameter inch 2"1/2 2"1/2 2"1/2 3" 3" 3" 3" 3"
Condenser
Type Coil type (Al/Cu)
Weights
Shipping HE-BLN kg 4370 4420 4740 5320 6730 6920 7170 7340
Shipping HE-LN/HE-ELN
kg 4490 4540 4860 5440 6850 7040 7290 7460
Operating HE-BLN kg 4520 4560 4930 5540 6950 7170 7460 7640
Operating HELN/HE-ELN
kg 4640 4680 5050 5660 7070 7290 7580 7760
Dimensions
Length mm 4000 4000 4000 4000 6000 6000 6000 6000
Width mm 2200 2200 2200 2200 2200 2200 2200 2200
Height mm 2550 2550 2550 2550 2550 2550 2550 2550
SLS1-en.qxp 29-06-2007 15:37 Pagina 41
Содержание
- Air cooled chillers with screw compressors 1
- English 1
- Installation and maintenance manual 1
- Iom sls134 n gb 1
- Sls 1402 8404 1
- Dismantling demolition and scrapping 2
- English 2
- Foreword 2
- General description 2
- Installation 2
- Maintenance 2
- Operation 2
- Safety 2
- Spare parts 2
- Start up 2
- Table of contents 2
- Technical data 2
- Transport lifting and positioning 2
- Troubleshooting 2
- An introduction to the manual 3
- Emergency stop normal stop 3
- Foreword 3
- Introduction 3
- Warranty 3
- Definitions 4
- English 4
- Foreword 4
- Safety 4
- Access to the unit 5
- General precautions 5
- Precautions against residual risks 5
- Safety 5
- English 6
- Safety 6
- Keep lift hook on this line 7
- Safety 7
- Safety labels 7
- Tenere su questa linea gancio di sollevamento 7
- Aus outlet 8
- Ein inlet 8
- English 8
- Entrée entrata 8
- Safety 8
- Sortie uscita 8
- Safety 9
- Safety regulations 9
- English 10
- Safety 10
- Safety 11
- English 12
- Inspection 12
- Lifting 12
- Transport lifting and positioning 12
- Anchoring 13
- Storage 13
- Transport lifting and positioning 13
- English 14
- Installation 14
- Positioning of the unit 14
- Spring isolator installation 14
- External hydraulic circuit 15
- Installation 15
- Draining the defrosting waste water for heat pump unit only 16
- English 16
- Flow switch installation 16
- Hydraulic connection 16
- Installation 16
- Electrical connections 17
- Installation 17
- Power supply 17
- English 18
- Installation 18
- Page 17 18
- Terminal box sls 18
- Installation 19
- Page 18 19
- Terminal box sls r 19
- Y morsettiere utente 19
- Connecting the temperature sen sor of coupled units manifold sls at 4 circuits 20
- English 20
- Forced shuttering 20
- Installation 20
- Position sensor from manifold twin units 20
- Temperature sensors 20
- Three way valve 20
- Total heat recovery features 20
- Preliminary check 21
- Start up 21
- Checking the operation 22
- Delivery to the customer 22
- English 22
- Start up 22
- General informations 23
- Keyboard display terminal unit 23
- Operation 23
- English 24
- Operation 24
- Alarms table 25
- Functions keys configurations 25
- In this mask the following items are displayed unit serial number and control temperature system 1 status system 2 status unit status 25
- Menu key 25
- Operation 25
- Page 24 25
- Pushing the menu key the main mask is displayed 25
- Alarm history 26
- Analog outputs driving the fan speed controllers 26
- Chiller control digital inputs and outputs status 26
- Code and release of the chiller control soft ware 26
- Compressors working hours 26
- Dp 1 system 1 discharge pressure transducer 26
- Dp 2 system 2 discharge pressure transducer 26
- English 26
- I o input output status 26
- M_disable 26
- M_offset1 26
- M_offset2 26
- M_offset3 26
- Maintenance 26
- Msk_filters 26
- Note contact itelco clima service department to access to the following masks 26
- Operation 26
- Page 25 26
- Password 26
- Pump working hours 26
- Pushing the enter the cursor enter in the list of the memorized alarms at this point the arrow keys al low to scroll the masks of all the memorized alarms which show the date time code and the controlled water temperature entering or leaving at the mo ment in which the alarm itself was detected 26
- Pushing the i o key it is possible to access to all the masks showing the values read by all the sensors installed on the unit 26
- Pushing the maintenance key it is possible to ac cess to the following information masks 26
- Rst_hour meters 26
- Sp 1 system 1 suction pressure transducer 26
- Sp 2 system 2 suction pressure transducer 26
- Tair ambient air temperature 26
- Tc 1 coil 1 temperature only heat pump 26
- Tc 2 coil 2 temperature only heat pump 26
- The following items are also displayed 26
- Tin entering chilled fluid temperature 26
- Tout leaving chilled fluid temperature 26
- Tplan installation control sensor in case of chiller network control sensor unit 4 compressors 26
- Trin heat recovery heat exchanger entering water temp 26
- Trout heat recovery heat exchanger leaving water temp 26
- Operation 27
- Compressors 28
- English 28
- General description 28
- General specifications 28
- Introduction 28
- Refrigeration circuits 28
- All sls r134a units have a shell tube water heat exchanger with direct expansion multi refriger ant circuits the tube bundle can be removed for in spection or maintenance 29
- All units are available with desuperheaters dsh dsh is refrigerant water heat exchanger with brazed plates of dual circuit type fitted on the compressor discharge pipe 29
- Desuperheater 29
- Each unit is equipped with 2 exchangers one for each circuit exchangers are insulated with uv ray proof 19 mm thick anticondensate closed cell poly ethylene material 29
- Evaporator 29
- General description 29
- Page 28 29
- Sls refrigerant circuit of unit with shell tube evaporator 29
- The evaporators are insulated with uv ray proof 19 mm thick anti condensate closed cell polyethylene material the external surface is provided with wire resistors 130 watt which prevent frosting at low temperatures down to 18 c when the unit is off 29
- Water heat exchanger 29
- Air heat exchanger 30
- All units are available with total heat recovery con denser thrc thrc is refrigerant water heat ex changer shell and tube type according to chiller size thrc is fitted on the compressor discharge pipe in parallel with the standard cooling circuit 30
- Coils are made of copper pipes in staggered rows mechanically expanded inside an aluminium finned pack 30
- English 30
- Page 29 30
- Sls refrigerant circuit of units with total heat recovery 30
- The condenser s fans are of large diameter 800 mm axial type they are provided with external dif fusers nozzles that reduce the aeraulic motor to a large extent each fan is provided with galvanised steel accident prevention guard painted after assem bly finally the fans motors are completely closed protection class ip54 protection thermostat im mersed in windings 30
- The heat recovery function is by means of a four way valve each unit is equipped with 2 exchangers one for each circuit exchangers are insulated with uv ray proof 19 mm thick anticondensate closed cell polyethylene material 30
- Total heat recovery condenser 30
- Accessories 31
- Chiller control 31
- General description 31
- Power supply and control system 31
- English 32
- Evaporator sls std 32
- Pressure drops 32
- Technical data 32
- Data refers to one evaporator 33
- Desuperheater sls std 33
- Page 32 33
- Technical data 33
- Total heat recovery condenser sls std 33
- Data refers to one evaporator 34
- English 34
- Evaporator sls he 34
- Page 33 34
- Technical data 34
- Data refers to one evaporator 35
- Desuperheater sls he 35
- Page 34 35
- Technical data 35
- Total heat recovery condenser sls he 35
- English 36
- Page 35 36
- Technical data 36
- Page 36 37
- Technical data 37
- English 38
- Page 37 38
- Technical data 38
- Page 38 39
- Technical data 39
- English 40
- Page 39 40
- Technical data 40
- Page 40 41
- Technical data 41
- English 42
- Page 41 42
- Technical data 42
- Page 42 43
- Technical data 43
- Electrical data standard unit 44
- English 44
- Page 43 44
- Technical data 44
- Electrical data standard unit 45
- Page 44 45
- Technical data 45
- Electrical data high efficiency unit 46
- English 46
- Page 45 46
- Technical data 46
- Electrical data high efficiency unit 47
- Page 46 47
- Technical data 47
- Electrical data compressors 48
- English 48
- Page 47 48
- Technical data 48
- Electrical data compressors 49
- Page 48 49
- Technical data 49
- Electrical data fans 50
- English 50
- Page 49 50
- Technical data 50
- P1 p10 unit supporting points 51
- P1 p12 unit supporting points 51
- P1 p6 unit supporting points p1 p8 unit supporting points 51
- Page 50 51
- Position of antivibration mounting springs and weight distribution on supports 51
- Technical data 51
- English 52
- P1 p14 unit supporting points p1 p16 unit supporting points 52
- Page 51 52
- Sls 5704 std bln std ln std eln sls 6004 8404 std bln std ln std eln sls 4804 8404 he bln he ln he eln 52
- Technical data 52
- Page 52 53
- Sls std 1402 8404 bln version 53
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- Technical data 53
- English 54
- Page 53 54
- Sls std 1402 8404 ln eln version 54
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- Technical data 54
- Page 54 55
- Sls r std 1402 4802 bln version 55
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- Technical data 55
- English 56
- Page 55 56
- Sls r std 1402 4802 ln eln version 56
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- Technical data 56
- Page 56 57
- Sls he 1402 8404 bln version 57
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- Technical data 57
- English 58
- Page 57 58
- Sls he 1402 8404 ln eln version 58
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- Page 58 59
- Sls r he 1402 4802 bln version 59
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- Technical data 59
- English 60
- Page 59 60
- Sls r he 1402 4802 ln eln version 60
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- Technical data 60
- Overall dimensions 61
- Page 60 61
- Sls r134a versions std 1402 2702 sls r134a versions he 1402 1902 61
- Technical data 61
- English 62
- Page 61 62
- Sls r134a he version 62
- Sls r134a std version 62
- Sls r134a versions std 3002 4202 sls r134a versions he 2002 3002 62
- Technical data 62
- Dimensional drawings of sls 134a std 5004 8404 and he 4804 8404 units are not available 63
- Page 62 63
- Sls r134a he version 63
- Sls r134a std version 63
- Sls r134a versions std 4602 4802 sls r134a versions he 3202 4802 63
- Technical data 63
- English 64
- Page 63 64
- Sls r r134a he version 64
- Sls r r134a std version 64
- Sls r r134a versions std 1402 1802 sls r r134a versions 1402 1802 64
- Technical data 64
- Page 64 65
- Sls r r134a he version 65
- Sls r r134a std version 65
- Sls r r134a versions std 1902 2702 sls r r134a version he 1902 65
- Technical data 65
- English 66
- Page 65 66
- Sls r r134a he version 66
- Sls r r134a versions he 2002 3002 66
- Technical data 66
- Page 66 67
- Sls r r134a stdversion 67
- Sls r r134a versions std 3002 4202 67
- Technical data 67
- English 68
- Page 67 68
- Sls r r134a stde version 68
- Sls r r134a versions std 4602 4802 sls r r134a version he 3202 4802 68
- Technical data 68
- Installation of several units 69
- Installation of single units 69
- Page 68 69
- Service spaces 69
- Technical data 69
- Units sls all versions 69
- English 70
- General requirements 70
- Maintenance 70
- Planned maintenance 70
- Compressor 71
- Condenser s coils 71
- Maintenance 71
- Refrigerant charge 71
- Dehydrating filter 72
- Desuperheater and total heat recovery condenser 72
- English 72
- Evaporator 72
- Maintenance 72
- Sight glass 72
- Thermostatic expansion valve 72
- Troubleshooting 73
- English 74
- Troubleshooting 74
- Oil for compressors 75
- Spare part list 75
- Spare parts 75
- Wiring diagrams 75
- Dismantling demolition and scrapping 76
- English 76
- Generalities 76
- Itelco industry 77
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