Stulz Explorer WPA, Original Instructions Manual

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EN/06.2016/i01 © STULZ S.p.A. – all rights reserved
WPA ExPlOrEr OrIGINAl INSTrUCTIONS
Table of Contents
1. Introduction ...........................................................................................6
1.1 Introduction .............................................................................................................................................. 6
1.2 Warranty ...................................................................................................................................................... 6
1.3 Safety ............................................................................................................................................................7
1.3.1 Symbols used in the manual .................................................................................................................................. 7
1.3.2 Labels .................................................................................................................................................................................... 7
1.3.3 Safety Instructions ....................................................................................................................................................... 9
1.3.4 Handling refrigerants ................................................................................................................................................. 9
1.3.5 Safety and environmental requirement .......................................................................................................10
2. residual risk ........................................................................................12
2.1 Transport and installation .............................................................................................................12
2.2 Start-up ....................................................................................................................................................12
2.3 Operation ................................................................................................................................................12
2.4 Maintenance .........................................................................................................................................13
2.5 Dismantling ............................................................................................................................................13
2.6 Safety Data ............................................................................................................................................13
3. Transport/ Storage ...............................................................................15
3.1 Delivery of units ..................................................................................................................................15
3.2 Storage .....................................................................................................................................................16
3.3 Transport .................................................................................................................................................16
3.3.1 Transport protection ...............................................................................................................................................16
3.3.2 Centre of gravity .........................................................................................................................................................18
4. Description ..........................................................................................20
4.1 Type Code ..............................................................................................................................................20
4.2 Intended use .........................................................................................................................................21
4.3 Chiller Design .......................................................................................................................................21
4.3.1 General .............................................................................................................................................................................21
4.3.2 Versions............................................................................................................................................................................21
4.3.3 Refrigerant Circuit .....................................................................................................................................................22
4.3.4 Compressor ...................................................................................................................................................................22
4.3.5 Evaporator ......................................................................................................................................................................22
4.3.6 Condenser ......................................................................................................................................................................22
4.3.7 Electrical Cabinet .......................................................................................................................................................23
4.3.8 Sensors ............................................................................................................................................................................23
4.3.9 C2020 ..............................................................................................................................................................................23
4.4 Piping diagrams ..................................................................................................................................24
4.4.1 Legend .............................................................................................................................................................................24
4.5 Hydraulic diagrams ...........................................................................................................................30
4.5.1 Legend .............................................................................................................................................................................30
4.5.2 Standard & Low Noise version .........................................................................................................................31
5. Technical Data .....................................................................................34
5.1 Application limits ..............................................................................................................................34
5.1.1 Operating conditions:..............................................................................................................................................34
5.1.2 Storage conditions: .................................................................................................................................................35
5.2 Chilled water quality ........................................................................................................................36
5.2.1 Glycol correction factors .......................................................................................................................................36
5.3 Pressure Drops ....................................................................................................................................36
5.4 Technical Data .....................................................................................................................................40
5.5 Dimensional drawings ....................................................................................................................45