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Airwell AQL 50 [22/63] English
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Page 21
Installation
English
Before filling the installation, remove any
impurity, such as sand, crushed stones and
welding scales, coating drops and any
other material which might damage the
evaporator.
It is advisable to flush with disposable water by-
passing the exchanger to avoid clogging.
The water used to fill the circuit shall be
treated in such as way that the pH will
have the correct value.
When two or several units are connected in paral-
lel, to balance the load losses of the various cir-
cuits, it is recommended to execute a “reverse re-
turn” connection (see the diagram below).
4.5 Water connections
The attachments at the water inlet and out-
let shall be connected in compliance with
the instructions which can be found on the
labels in the proximity of the attachments.
Connect the water lines of the plants with the at-
tachments of the unit whose diameters and positions
are shown by Chapter 9.
Notes:
SF Mesh filter (outside on 20/35)
ET Expansion tank
SV Safety valve
AP Vent valve
PHE Plate-type exchanger
PU Circulation pump
DU Drain cock
EAV Flow rate calibration valve (only on 40/130)
FS Flow switch (only on 40/130)
PT Thermometric trap
PE Differential water pressure switch (only on 20/35)
HR Antifreeze resistance of the plate-type exchanger
WPG Attachments for manometers (only on 40/130)
EWC Attachment at the water inlet
LWC Attachment at the water outlet
WI Water gauge
CV On/Off valves
FC Flexible joints
FV Water filling valve
Version with a pump
PLANT COMPONENTS (NOT SUPPLIED) HYDRO KIT COMPONENTS
UNIT 1
UNIT 2
Legend
S On/Off valves
VG Balancing valves
Содержание
- Air cooled water chillers and air to water reverse cycle heat pumps 1
- Aql aqh 20 130 1
- English 1
- Installation and maintenance manual 1
- Iom aqlh n gb 1
- English 2
- English 4
- Manufacturer information 4
- Preface 4
- Safety 4
- Warranty 4
- Emergency stop 5
- Manufacturer information 5
- English 6
- Manufacturer information 6
- Safety labels 6
- Manufacturer information 7
- Material safety data 7
- Page 6 7
- Refrigerant data 7
- English 8
- Manufacturer information 8
- Page 7 8
- Lubricating oil data 9
- Manufacturer information 9
- Page 8 9
- English 10
- General information 10
- Product description 10
- Accessories 11
- Product description 11
- English 12
- Product description 12
- Page 12 13
- Product description 13
- Refrigeration circuits 13
- Units aql 20 80 13
- English 14
- Page 13 14
- Product description 14
- Units aql 90 130 14
- Page 14 15
- Product description 15
- Units aqh 20 80 15
- English 16
- Page 15 16
- Product description 16
- Units aqh 90 130 16
- Handling 17
- Inspection 17
- Transportation handling and storage 17
- Transportortion handling and stockage 17
- English 18
- Storage 18
- Transportortion handling and stockage 18
- Defrost water drainage only for aqh units 19
- Installation 19
- Installation site 19
- English 20
- Installation 20
- Installation of spring shock absorbers 20
- External water circuit 21
- Installation 21
- Before filling the installation remove any impurity such as sand crushed stones and welding scales coating drops and any other material which might damage the evaporator 22
- Connect the water lines of the plants with the at tachments of the unit whose diameters and positions are shown by chapter 9 22
- English 22
- Installation 22
- It is advisable to flush with disposable water by passing the exchanger to avoid clogging 22
- Legend s on off valves vg balancing valves 22
- Page 21 22
- The attachments at the water inlet and out let shall be connected in compliance with the instructions which can be found on the labels in the proximity of the attachments 22
- The water used to fill the circuit shall be treated in such as way that the ph will have the correct value 22
- Version with a pump 22
- Water connections 22
- When two or several units are connected in paral lel to balance the load losses of the various cir cuits it is recommended to execute a reverse re turn connection see the diagram below 22
- Accumulation tank kit 23
- Features 23
- Installation 23
- Operating limits 23
- Shock absorbers 23
- Supplied material 23
- English 24
- Installation 24
- Installation 25
- Page 24 25
- Storage kit 112 l for aql aqh 20 35 dimensional data 25
- Storage kit 224 112 l for aql 40 50 aqh 40 dimensional data 25
- English 26
- Installation 26
- Page 25 26
- Storage kit 294 147 l for aql 60 80 aqh 50 80 dimensional data 26
- Storage kit 294 147 l for aql aqh 90 100 aqh 90 dimensional data 26
- Installation 27
- Page 26 27
- Storage kit 294 147 l for aql aqh 110 130 aqh 100 130 dimensional data 27
- Electrical connections 28
- Electrical supply features 28
- English 28
- Installation 28
- Antifreeze resistance control relay 29
- Electrical connections of the aql aqh 20 35 units with neutral 29
- Electronic board 29
- Installation 29
- Page 28 29
- Pump control relay 29
- Antifreeze resistance control relay 30
- Electrical connections of the aql aqh 40 80 units with neutral 30
- Electronic board 30
- English 30
- Installation 30
- Page 29 30
- Pump control relay 30
- Antifreeze resistance control relay 31
- Electrical connections of the aql aqh 40 80 units without neutral 31
- Electronic board 31
- Installation 31
- Page 30 31
- Pump control relay 31
- Antifreeze resistance control relay 32
- Caldo freddo 32
- Comune 32
- Electrical connections of the aql aqh 90 130 units without neutral 32
- Electronic board 32
- English 32
- Installation 32
- Interblocco esterno consenso pompa esterna 32
- Interruttore remoto di marcia arresto 32
- Linea potenza 400 3 n 50 pe 32
- Mors 103 hydrokit mors 8 hydrokit 32
- Mors 14 hydrokit mors 8 hydrokit 32
- Morsettiera bordo macchina collegamenti utente 32
- On off 32
- Page 31 32
- Parzializzazione forzata della capacita frigorifera 32
- Pump control relay 32
- Rele comando pompa 32
- Rele comando resistenza antigelo 32
- Scheda elettronica 32
- Selezione modalita notte o doppio setopoint 32
- Selezione riscald raffredd 32
- Sezionatore 32
- Unita in allarme n o spst max 2 a 250vac 32
- Vac disponib per accessori max 40va 32
- Commissioning 33
- Preliminary checks 33
- Starting 33
- Commissioning 34
- Delivery to the user 34
- English 34
- Performance check 34
- Aql aqh control 35
- Electronic card control 35
- Aql aqh control errata corrige 36
- Dip switches 36
- English 36
- Aql aqh control 37
- Alar and log menus 38
- Aql aqh control 38
- English 38
- Sens menu sensors reading 38
- Daily maintenance 39
- General information 39
- Maintenance 39
- Compressors 40
- Dryer filter 40
- English 40
- Fans of the refrigerant air exchangers 40
- Maintenance 40
- Refrigerant air exchangers 40
- Refrigerant charge 40
- Maintenance 41
- Refrigerant circulating fluid exchanger 41
- Sight glass 41
- Thermal expansion valves 41
- English 42
- Page 41 42
- Probable cause remedy 42
- The following table will give a detailed list of unit faults and remedies contact an authorised itelco clima service centre for any other problem which can not be clearly ascribed to one of the cases listed in the table and or for any other need for technical assistance 42
- Trouble shooting 42
- Page 42 43
- Probable cause remedy 43
- Trouble shooting 43
- 100 90 45
- Aql aqh 20 25 30 35 refrigerant water heat exchangers pressure drops 45
- Aql aqh 90 130 standard water pump available head 45
- Page 44 45
- Technical data 45
- Aql aqh 40 80 refrigerant water heat exchangers pressure drops 46
- Aql aqh 90 130 refrigerant water heat exchangers pressure drops 46
- English 46
- Page 45 46
- Technical data 46
- Air temperature c 47
- Leavig water temperature c leavig water temperature c 47
- Page 46 47
- Technical data technical data technical data 47
- Units aql aqh 20 130 r407c 47
- Working range 47
- Working range in cooling mode working range in heating mode 47
- Compressors heat protection yes 48
- English 48
- Fans heat protection yes 48
- High pressure switch yes 48
- High pressure transducer yes low pressure transducer yes 48
- Italiano 48
- Model octave band central frequency hz 48
- Models 20 25 30 35 40 50 60 70 80 90 100 110 120 130 48
- Noise levels 48
- Page 47 48
- Safety devices 48
- Sound power levels lw a db a 48
- Sound pressure levels at 1 m distance according to iso 3744 sound levels applicable to all high discharge head units 90 130 48
- Sound pressure levels lp a db a 48
- Technical data 48
- Water flow switch yes 48
- General characteristics 49
- Page 48 49
- Technical data technical data technical data 49
- Units aql aqh 20 80 49
- English 50
- Page 49 50
- Technical data technical data technical data 50
- Units aql aqh 90 130 50
- Electrical characteristics 51
- Page 50 51
- Technical data technical data technical data 51
- Units aql aqh 20 80 51
- English 52
- Page 51 52
- Technical data technical data technical data 52
- Units aql aqh 90 130 52
- Dimensional data 53
- Page 52 53
- Technical data 53
- Units aql aqh 20 130 53
- English 54
- Page 53 54
- Technical data 54
- Units aql aqh 20 25 30 35 54
- Page 54 55
- Technical data 55
- Units aql 40 50 and aqh 40 55
- English 56
- Page 55 56
- Technical data 56
- Units aql 60 70 80 and aqh 50 60 70 80 56
- Front view side view 57
- Page 56 57
- Technical data 57
- Top view 57
- Units aql aqh 90 100 57
- English 58
- Front view side view 58
- Page 57 58
- Technical data 58
- Top view 58
- Units aql aqh 110 120 130 58
- Space requirements 59
- Technical data 59
- Oils recommended for compressors 61
- Page 60 61
- Recommended spare parts 61
- Relevant wiring diagrams 61
- Spare parts 61
- Spare parts errata corrige 61
- The table here below will list the oils recommended for each model 61
- The table here below will list the spare parts which are recommended for each unit for two years 61
- The tables here below will list the wiring diagrams relevant for pack and non pack units with and without a neutral 61
- Dismantling demolition and scrapping 62
- English 62
- General information 62
- Wesper s a s 63
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