Airwell CWP-CO 18 [2/42] English
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Airwell CWP-CO 18 [2/42] English

Airwell CWP-RC 05 [2/42] English
Page 1
Table of contents
English
1 FOREWORD
1.1 Introduction 2
1.2 Warranty 2
1.3 Emergency stop/Normal stop 2
1.4 An introduction to this manual 2
2 SAFETY
2.1 Foreword 3
2.2 Definitions 3
2.3 Access to the unit 4
2.4 General precautions 4
2.5 Precautions against residual risks 4
2.6 Precautions during maintenance
operations 5
2.7 Safety labels 6
2.8 Safety regulations 7
3 TRANSPORT, LIFTING
AND POSITIONING
3.1 Inspection 10
3.2 Unit Handling 10
3.3 Anchoring 10
3.4 Storage 10
4 INSTALLATION
4.1 Positioning of the unit 11
4.2 Vibration Isolators 11
4.3 External hydraulic circuit 11
4.4 Hydraulic connection
of the condenser 12
4.5 Hydraulic connection 13
4.6 Power supply 13
4.7 Electrical connections 13
5 START-UP
5.1 Preliminary check 14
5.2 Start-up 14
5.3 Checking the operation 15
5.4 Delivery to the customer 15
6 CONTROL SYSTEM
6.1 CWP Control system µchiller 16
6.2 High Pressure Control 18
6.3 Low Pressure Control 18
6.4 Heat Exchanger Heater Thermostat 18
6.5 Pressostatic Valve Kit (Optional) 18
7 GENERAL DESCRIPTION
7.1 Introduction 19
7.2 General Specifications 19
7.3 Compressors 19
7.4 Refrigeration circuits 19
7.5 Evaporator 19
7.6 Condenser (except for CWP-RC) 19
7.7 Switchboard 19
8 TECHNICAL DATA
8.1 Pressure drops 23
8.2 Technical data 24
8.3 Electrical data 29
8.4 Overall dimensions 30
8.5 Service spaces 33
9 MAINTENANCE
9.1 General requirements 34
9.2 Planned maintenance 34
9.3 Refrigerant charge 35
9.4 Compressor 35
9.5 Condenser 35
9.6 Dehydrating filter 35
9.7 Sight glass 35
9.8 Thermostatic expansion valve 36
9.9 Evaporator 36
10 TROUBLESHOOTING 37
11 SPARE PARTS
11.1 Spare part list 39
11.2 Oil for compressors 39
11.3 Wiring diagrams 39
12 DISMANTLING, DEMOLITION
AND SCRAPPING
12.1 Generalities 40
Table of contents
Manuale CWP 4.11.2005 11:55 Pagina 1

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