Contents - Envicool EMW90HDNC1A User Manual

User Manual
About This Document.................................2
1 Safety Precautions................................... 4
2 Product Description.................................6
2.1 Feature................................................................. 6
2.1.1 Product Introduction........................................6
2.1.2 Function Description....................................... 7
2.2 Implement.............................................................7
2.2.1 System Principle.............................................. 7
2.2.2 Control Logic.................................................... 8
2.2.3 Operating Mode............................................... 9
2.3 Specifications...................................................... 9
3 Installation Guide................................... 11
3.1 Installation Instructions.................................... 11
3.1.1 Transportation and Handling.......................11
3.1.2 Physical Dimension.......................................11
3.1.3 Installation Environment...............................12
3.1.4 Installation Layout......................................... 12
3.2 Preparation Before Installation.......................12
3.2.1 Unpacking and Inspection........................... 12
3.2.2 Tools Preparation..........................................13
3.3 Mechanical Installation.................................... 13
3.4 Electrical Connection....................................... 14
4 Controller..................................................16
4.1 Introduction........................................................ 16
4.2 Control System Interface.................................16
4.3 System Start-up and Shutdown..................... 18
4.4 Set the Operation Mode.................................. 18
4.5 Status..................................................................18
4.6 Record................................................................ 19
EMW90HDNC1A Air-cooled Chiller
4.7 Graphic............................................................... 19
4.8 Alarm...................................................................20
4.9 Settings...............................................................20
4.10 Maintain............................................................23
4.11 More..................................................................23
5 Coolant Filling and Replenishment... 25
6 Routine Maintenance.............................27
6.1 Overview............................................................ 27
6.2 Chiller Appearance Maintenance...................27
6.3 Fans Maintenance............................................27
6.4 Maintenance of Power Cables and Power
Terminals.................................................................. 28
6.5 Condenser Maintenance................................. 29
6.6 Coolant Maintenance....................................... 29
7 Fault Management..................................31
7.1 Fault of External Circulation Fan................... 31
7.2 Fault of Refrigeration System.........................32
7.3 Fault of Coolant Circulation System..............32
7.4 Parts Replacement...........................................33
7.4.1 Parts Description........................................... 33
7.4.2 Replacing the External Circulation Fan.....34
7.4.3 Replacing the Compressor.......................... 34
7.4.4 Replacing the Electrical Heater and
Circulation Pump..................................................... 34
7.4.5 Replacing the Electrical Components........35
7.5 Alarm Handling..................................................35
8 Reference................................................. 44
8.1 Barcode.............................................................. 44
8.2 Coolant Specifications..................................... 44

Contents

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