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EWLDC12EJYNN
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Daikin EWLDC12EJYNN [3/88] List of figures

Daikin EWLD600EJYNN [3/88] List of figures

D – KIMWC00412-09EN -3/88

System maintenance ......................................................................................................................................................73

General .......................................................................................................................................................................... 73

Compressor maintenance ..............................................................................................................................................73

Lubrication......................................................................................................................................................................73

Routine maintenance ..................................................................................................................................................... 75

Replacement of filter dryer .............................................................................................................................................75

Procedure to replace the filter dryer cartridge ................................................................................................................75

Replacement of the oil filter............................................................................................................................................76

Fr4200 compressor ........................................................................................................................................................77

Oil filter replacement procedure .....................................................................................................................................77

Procedure to replace oil filter..........................................................................................................................................77

Refrigerant charge..........................................................................................................................................................78

Refrigerant filling procedure ...........................................................................................................................................78

Standard Checks.............................................................................................................................................................79

Temperature and pressure sensors ...............................................................................................................................79

Test sheet ........................................................................................................................................................................80

Water side measurements..............................................................................................................................................80

Refrigerant side measurements ..................................................................................................................................... 80

Electrical measurements ................................................................................................................................................81

Service and limited warranty..........................................................................................................................................82

Obligatory routine checks and starting up apparatuses under pressure .................................................................. 83

Important information regarding the refrigerant used.................................................................................................84

List of tables

Table 1 - Acceptable water quality limits ...................................................................................................................... 32

Table 2 - Equivalent Lengths (in meters) ...................................................................................................................... 48

Table 3 - Liquid line sizes...............................................................................................................................................48

Table 4 - Discharge line sizes ........................................................................................................................................49

Table 5 – Typical operating conditions with compressors at 100% ...........................................................................71

Table 6 – Routine maintenance programme(Note 2) .................................................................................................... 75

List of Figures

Fig. 1 - Lifting the unit........................................................................................................................................................29

Fig. 2 - Minimum clearance requirements for machine maintenance................................................................................30

Fig. 3 - Water piping connection for evaporator ................................................................................................................31

Fig. 4 - Water piping connection for condenser and heat recovery ...................................................................................31

Fig. 5 - Adjusting the safety flow switch ............................................................................................................................32

Fig. 6 - User connection to the interface M3 terminal board..............................................................................................45

Fig. 7 - Condenser Located with No Elevation Difference.................................................................................................46

Fig. 8 - Condenser Located above Chiller Unit..................................................................................................................47

Fig. 9 - Condenser Located below Chiller Unit..................................................................................................................47

Fig. 10 - Refrigeration cycle of the EWWD - EJYNN Single Circuit...................................................................................52

Fig. 11 - Refrigeration cycle of the EWLD - EJYNN Single Circuit ....................................................................................53

Fig. 12 - Refrigeration cycle of the EWLD – EJYNN + OPLR Single Circuit......................................................................54

Fig. 13 - Refrigeration cycle of the EWWD Single Circuit – Total heat recovery ............................................................... 55

Fig. 14 - Refrigeration cycle of the EWWD – EJYNN/A Single Circuit...............................................................................56

Fig.15 - Refrigeration cycle of the EWWD – EJYNN Double Circuits................................................................................ 57

Fig. 16 - Refrigeration cycle of the EWLD - EJYNN Double Circuits.................................................................................58

Fig. 17 - Refrigeration cycle of the EWLD - EJYNN +OPLR Double Circuits ....................................................................59

Fig. 18 - Refrigeration cycle of the EWWD Double Circuits – Total heat recovery............................................................ 60

Fig. 19 - Refrigeration cycle of the EWWD – EJYNN/A Double Circuits ...........................................................................61

Fig.20 - Refrigeration cycle of the EWWD - EJYNN Trial Circuits.....................................................................................62

Fig. 21 - Refrigeration cycle of the EWLD - EJYNN Trial Circuits .....................................................................................63

Fig. 22 - Refrigeration cycle of the EWLD – EJYNN + OPLR Trial Circuits.......................................................................64

Fig. 23 - Refrigeration cycle of the EWWD Trial Circuits– Total heat recovery ................................................................. 65

Fig. 24 - Picture of Fr4100 compressor............................................................................................................................. 66

Fig. 25 - Compression process .........................................................................................................................................67

Fig. 26 - Refrigeration capacity control mechanism of compressor Fr4 ............................................................................68

Fig. 29 - Installation of control devices for Fr4 compressor............................................................................................... 74

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