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Airwell SWS 1902 HFС 407C [3/82] Table of contents
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Page 2
Table of contents
9 MAINTENANCE
9.1 General requirements 74
9.2 Planned maintenance 74
9.3 Refrigerant charge 75
9.4 Compressors 75
9.5 Condenser 75
9.6 Dehydrating filter 76
9.7 Sight glass 76
9.8 Thermostatic expansion valve 76
9.9 Evaporator 76
10 TROUBLESHOOTING 77
11 SPARE PARTS
11.1 Spare part list 79
11.2 Oil for compressors 79
11.3 Wiring diagrams 79
12 DISMANTLING, DEMOLITION
AND SCRAPPING
12.1 Generalities 80
Manuale SWS-SWR EN1.qxp 05/11/06 14:18 Pagina 2
Содержание
- English 1
- Installation and maintenance manual 1
- Iom sws n gb 1
- Sws swr 1
- Water cooled water chillers with screw compressors 1
- English 2
- Foreword 2
- General description 2
- Installation 2
- Operation 2
- Safety 2
- Start up 2
- Table of contents 2
- Technical data 2
- Transport lifting and positioning 2
- Dismantling demolition and scrapping 3
- Maintenance 3
- Spare parts 3
- Table of contents 3
- Troubleshooting 3
- An introduction to the manual 4
- Emergency stop normal stop 4
- English 4
- Foreword 4
- Introduction 4
- Warranty 4
- Definitions 5
- Foreword 5
- Safety 5
- Access to the unit 6
- English 6
- General precautions 6
- Precautions against residual risks 6
- Safety 6
- Safety 7
- English 8
- Keep lift hook on this line 8
- Safety 8
- Safety labels 8
- Tenere su questa linea gancio di sollevamento 8
- Aus outlet 9
- Ein inlet 9
- Entrée entrata 9
- Safety 9
- Sortie uscita 9
- English 10
- Safety 10
- Safety regulations 10
- Safety 11
- English 12
- Safety 12
- Figure a figure b 13
- Inspection 13
- Lifting 13
- Transport lifting and positioning 13
- Anchoring 14
- English 14
- Storage 14
- Transport lifting and positioning 14
- Installation 15
- Positioning the unit 15
- Spring isolator installation 15
- Connection diagram external hydraulic circuit 16
- English 16
- External hydraulic circuit 16
- Flow meter installation 16
- Installation 16
- Hydraulic connection 17
- Hydraulic connection of the condenser 17
- Installation 17
- Power supply 17
- Electrical connections 18
- English 18
- Installation 18
- Installation 19
- Page 18 19
- Terminal box 19
- Y user terminals 19
- English 20
- Preliminary check 20
- Start up 20
- Checking the operation 21
- Delivery to the customer 21
- Start up 21
- English 22
- General information 22
- Keyboard display terminal unit 22
- Operation 22
- Operation 23
- Alarms table 24
- English 24
- Functions keys configuration 24
- In this mask the following items are displayed unit serial number and control temperature system 1 status system 2 status unit status 24
- Menu key 24
- Operation 24
- Page 23 24
- Pushing the menu key the main mask is displayed 24
- Alarm history 25
- Compressors working hours 25
- Dp 1 system 1 discharge pressure transducer 25
- Dp 2 sys 2 trasduttore pressione mandata 25
- Hour_thres 25
- I o input output status 25
- M_disable 25
- M_offset1 25
- M_offset2 25
- M_offset3 25
- Maintenance 25
- Msk_filters 25
- Nota contact itelco clima service department to access to the following masks 25
- Operation 25
- Page 24 25
- Password 25
- Pump working hours 25
- 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 25
- 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 25
- Pushing the maintenance key it is possible to ac cess to the following information masks 25
- Rst_hour meters 25
- Sensor use 25
- Sp 1 system 1 suction pressure transducer 25
- Sp 2 system 2 suction pressure transducer 25
- Tc 1 heat recovery heat exchanger entering water temp 25
- Tc 2 heat recovery heat exchanger leaving water temp 25
- The following items are also displayed 1 chiller control digital inputs and outputs status 2 analog outputs driving the fan speed controllers 3 code and release of the chiller control soft ware 25
- Tin entering chilled fluid temperature 25
- Tout leaving chilled fluid temperature 25
- Tplan installation control sensor in case of chiller network 25
- English 26
- Operation 26
- Compressors 27
- General description 27
- General specifications 27
- Introduction 27
- All units are equipped with a single direct expansion refrigerant water exchanger of shell and tube type with several refrigeration circuits the tube bundle can be removed for any inspections or maintenance 28
- All units are provided with two condensers one per circuit the heat exchanger is of shell and tube type with square plates preset for opening for inspection cleaning and maintenance purposes 28
- Condenser 28
- Each circuit is also provided with safety devices in accordance with ped 97 23 ec hp pressure switches pressure transducers safety valves provid ing protection in case of fire or in the case of a mal function of compressors 28
- English 28
- Evaporator 28
- Every single sws unit has two complete refrigerant circuits one per compressor each refrigerant circuit includes a service valve for refrigerant filling shutoff valves for suction lines on request as well as for the delivery and liquid lines a thermostatic expansion valve with external equalizer a solenoid valve to start stop the compressor a dehydrating cartridge filter a sight glass with humidity indicator a differen tial oil pressure switch the moto evaporating swr units which derive from the sws versions are marked by the absence of condensers are provided with shutoff cocks on the delivery and liquid lines so as to allow the connection of remote condensers 28
- General description 28
- Page 27 28
- Refrigerant circuits 28
- Sws refrigeration diagram 28
- The heat exchangers are insulated with 19mm thick anti condensate closed cell polyethylene material the insulating material is not uv ray proof 28
- A door stop disconnecting switch is always avail able and is mounted on the door of the appliance ip 54 protection degree the power supply control compartment includes 29
- A transformer for auxiliaries fuses relay and elec tronic card 29
- All units are provided with a microprocessor and a chiller control system 29
- Analog inputs such as temperature pressure mea suring signals 29
- Chiller control 29
- Digital inputs such as alarm and control signals 29
- Digital outputs for the excitation of control relays and remoto control switches 29
- General description 29
- Master switch 29
- Network isolator contactors compressor fuses 29
- Page 28 29
- Power supply and control system 29
- Swr refrigeration diagram 29
- The chiller control unit consists of an expandable interface card and a controller 29
- The compressor s start up logic excitation of the winding and stop potential regulation 3 3 steps 29
- The electrical connection of the controls and the start up units for the motor are carried out and tested in the factory 29
- The function of the expandable interface card is to monitor the inputs and control the outputs 29
- The keyboard and the display of the chiller con trol microcomputer mounted on the door of the control section 29
- The led and the display of the alarm signals and the operation of the appliance 29
- The microprocessor will execute the logic that con trols 29
- Accessories 30
- English 30
- General description 30
- Evaporator 31
- Pressure drops 31
- Technical data 31
- Condenser 32
- English 32
- Page 31 32
- Technical data 32
- Page 32 33
- Sws 1002 2202 r407c 33
- Technical data 33
- English 34
- Page 33 34
- Sws 2602 4402 r407c 34
- Technical data 34
- Page 34 35
- Sws 1602 2352 r134a 35
- Technical data 35
- English 36
- Page 35 36
- Sws 2502 3202 r134a 36
- Technical data 36
- Page 36 37
- Sws 3412 4802 r134a 37
- Technical data 37
- English 38
- Page 37 38
- Swr 1002 2202 r407c 38
- Technical data 38
- Page 38 39
- Swr 2602 4402 r407c 39
- Technical data 39
- English 40
- Page 39 40
- Swr 1602 2352 r134a 40
- Technical data 40
- Page 40 41
- Swr 2502 3202 r134a 41
- Technical data 41
- English 42
- Page 41 42
- Swr 3412 4802 r134a 42
- Technical data 42
- Electrical data 43
- Page 42 43
- Technical data 43
- English 44
- Page 43 44
- Technical data 44
- Page 44 45
- Technical data 45
- English 46
- Page 45 46
- Position of antivibration mounting springs and weight distribution on supports 46
- Technical data 46
- Weight distribution sws 1002 1902 r407c std 46
- Weight distribution sws 1602 1902 r134a std 46
- Page 46 47
- Technical data 47
- Weight distribution sws 2202 3012 r134a std 47
- Weight distribution sws 2202 4402 r407c std 47
- English 48
- Page 47 48
- Technical data 48
- Weight distribution sws 3202 4802 r134a std 48
- Page 48 49
- Technical data 49
- Weight distribution sws 1002 1902 r407c ln 49
- Weight distribution sws 1602 1902 r134a ln 49
- English 50
- Page 49 50
- Technical data 50
- Weight distribution sws 2202 3012 r134a ln 50
- Weight distribution sws 2202 4402 r407c ln 50
- Page 50 51
- Technical data 51
- Weight distribution sws 3202 4802 r134a ln 51
- English 52
- Page 51 52
- Technical data 52
- Weight distribution sws 1002 1902 r407c eln 52
- Weight distribution sws 1602 1902 r134a eln 52
- Page 52 53
- Technical data 53
- Weight distribution sws 2202 3012 r134a eln 53
- Weight distribution sws 2202 4402 r407c eln 53
- English 54
- Page 53 54
- Technical data 54
- Weight distribution sws 3202 4802 r134a eln 54
- Page 54 55
- Technical data 55
- Weight distribution swr 1002 1902 r407c std 55
- Weight distribution swr 1602 1902 r134a std 55
- English 56
- Page 55 56
- Technical data 56
- Weight distribution swr 2202 3012 r134a std 56
- Weight distribution swr 2202 4402 r407c std 56
- Page 56 57
- Technical data 57
- Weight distribution swr 3202 4802 r134a std 57
- English 58
- Page 57 58
- Technical data 58
- Weight distribution swr 1002 1902 r407c ln 58
- Weight distribution swr 1602 1902 r134a ln 58
- Page 58 59
- Technical data 59
- Weight distribution swr 2202 3012 r134a ln 59
- Weight distribution swr 2202 4402 r407c ln 59
- English 60
- Page 59 60
- Technical data 60
- Weight distribution swr 3202 4802 r134a ln 60
- Page 60 61
- Technical data 61
- Weight distribution swr 1002 1902 r407c eln 61
- Weight distribution swr 1602 1902 r134a eln 61
- English 62
- Page 61 62
- Technical data 62
- Weight distribution swr 2202 3012 r134a eln 62
- Weight distribution swr 2202 4402 r407c eln 62
- Page 62 63
- Technical data 63
- Weight distribution swr 3202 4802 r134a eln 63
- English 64
- Overall dimensions and maintenance space 64
- Overall dimensions sws 1002 1902 std r407c and sws 1602 1902 std r134a 64
- Technical data 64
- Legend only for shipping 1 evaporator water inlet 2 evaporator water outlet 3 condenser water inlet 4 condenser water outlet 5 power inlet 65
- Overall dimensions swr 1002 1902 std r407c and swr 1602 1902 std r134a 65
- Page 64 65
- Technical data 65
- Egend only for shipping 1 evaporator water inlet 2 evaporator water outlet 3 condenser water inlet 4 condenser water outlet 5 power inlet 66
- English 66
- Overall dimensions sws 2202 4402 std r407c and sws 2212 3012 std r134a 66
- Page 65 66
- Technical data 66
- Egend only for shipping 1 evaporator water inlet 2 evaporator water outlet 3 condenser water inlet 4 condenser water outlet 5 power inlet 67
- Overall dimensions swr 2202 4402 std r407c 67
- Page 66 67
- Technical data 67
- Egend only for shipping 1 evaporator water inlet 2 evaporator water outlet 3 condenser water inlet 4 condenser water outlet 5 power inlet 68
- English 68
- Overall dimensions sws 3202 4802 std r134a 68
- Page 67 68
- Technical data 68
- Overall dimensions sws 1002 1902 ln eln r407c and sws 1602 1902 ln eln r134a swr 1002 1902 ln eln ad r407c and swr 1602 1902 ln eln r134a 69
- Page 68 69
- Technical data 69
- English 70
- Overall dimensions sws 2202 4402 ln eln r407c and sws 2202 3012 ln eln r134a swr 2202 4402 ln eln r407c and swr 2202 3012 ln eln r134a 70
- Page 69 70
- Technical data 70
- Legend only for shipping refer to the standard drawing for the dimensions of connections 5 power inlet 71
- Overall dimensions sws 3202 4802 ln eln r134a swr 3202 4802 ln eln r134a 71
- Page 70 71
- Technical data 71
- English 72
- Technical data 72
- Technical data 73
- English 74
- Maintenance space sws 3202 4802 r134a swr 3202 4802 r134a 74
- Manuale sws swr en2 qxp 19 11 06 11 21 pagina 73 74
- Page 73 74
- Technical data 74
- General requirements 75
- Maintenance 75
- Planned maintenance 75
- Compressors 76
- Condenser 76
- English 76
- Maintenance 76
- Refrigerant charge 76
- Dehydrating filter 77
- Evaporator 77
- Maintenance 77
- Sight glass 77
- Thermostatic expansion valve 77
- English 78
- Troubleshooting 78
- Troubleshooting 79
- English 80
- Oil for compressors 80
- Spare part list 80
- Spare parts 80
- Wiring diagrams 80
- Dismantling demolition and scrapping 81
- Generalities 81
- Itelco industry 82
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