Daikin EWWD500DJYNN [4/58] Contents

Daikin EWWD460DJYNN [4/58] Contents
D - KIMWC00211-09EN - 4/58
Contents
General information .......................................................................................................................................................... 6
Warnings for the operator................................................................................................................................................. 6
Assistance ........................................................................................................................................................................ 6
Spare parts....................................................................................................................................................................... 6
Receiving the machine ..................................................................................................................................................... 6
Checks ............................................................................................................................................................................. 6
Purpose of this manual..................................................................................................................................................... 7
Important information on the refrigerant used................................................................................................................... 7
NOMENCLATURE ........................................................................................................................................................... 7
Technical Data EWWD170~600DJYNN........................................................................................................................... 8
Technical Data EWWD190~650DJYNN/A ..................................................................................................................... 10
Technical Data EWLD160~550DJYNN / EWLD160~550DJYNN + OPLR ..................................................................... 12
Sound pressure levels EWWD-DJYNN, EWWD-DJYNN/A............................................................................................ 14
Sound pressure levels EWWD-DJYNN, EWWD-DJYNN/A with sound proof cabinet .................................................... 14
Sound pressure level correction factor EWWD-DJYNN, EWWD-DJYNN/A for different distances ................................ 14
Operating Limits ............................................................................................................................................................. 15
Mechanical Installation ................................................................................................................................................... 16
Shipping ......................................................................................................................................................................... 16
Responsibility ................................................................................................................................................................. 16
Safety ............................................................................................................................................................................. 16
Moving and lifting ........................................................................................................................................................... 16
Positioning and assembly............................................................................................................................................... 17
Minimum space requirements ........................................................................................................................................ 18
Ventilation....................................................................................................................................................................... 18
Sound protection ............................................................................................................................................................ 18
Water piping ................................................................................................................................................................... 18
Water treatment.............................................................................................................................................................. 19
Evaporator and exchangers antifreeze protection.......................................................................................................... 20
Installing the flow switch ................................................................................................................................................. 20
Evaporator Pressure drops ............................................................................................................................................ 21
Condenser Pressure drops ............................................................................................................................................ 22
Partial Heat Recovery Pressure drops .......................................................................................................................... 23
Guidelines for remote condenser application .............................................................................................................. 24
Refrigerant piping design................................................................................................................................................ 24
Electrical Installation ...................................................................................................................................................... 28
General specifications .................................................................................................................................................... 28
Electrical components .................................................................................................................................................... 32
Electrical wiring .............................................................................................................................................................. 32
Electrical heaters............................................................................................................................................................ 32
Water pump control ........................................................................................................................................................ 32
Unit On/Off remote control – Electrical wiring................................................................................................................. 32
Double Setpoint – Electrical wiring ................................................................................................................................. 32
External water Setpoint reset – Electrical wiring (Optional)............................................................................................ 32
Unit limitation Electrical wiring (Optional) ...................................................................................................................... 33
Operation ......................................................................................................................................................................... 34
Operator’s responsibilities .............................................................................................................................................. 34
Description of the machine ............................................................................................................................................. 34
Description of the refrigeration cycle .............................................................................................................................. 34
Description of the refrigeration cycle with partial heat recovery...................................................................................... 38
Controlling the partial recovery circuit and installation recommendations ...................................................................... 38
Compression process..................................................................................................................................................... 39
Prestartup checks ........................................................................................................................................................... 43
General........................................................................................................................................................................... 43
Units with external water pump ...................................................................................................................................... 44
Electrical power supply................................................................................................................................................... 44
Unbalance in power supply voltage................................................................................................................................ 44
Electrical heaters power supply...................................................................................................................................... 44
Emergency Stop............................................................................................................................................................. 44
Startup procedure ........................................................................................................................................................... 45
Turning on the machine.................................................................................................................................................. 45
Seasonal shutdown ........................................................................................................................................................ 46
Starting up after seasonal shutdown .............................................................................................................................. 46
System maintenance....................................................................................................................................................... 47
General........................................................................................................................................................................... 47
Compressor maintenance .............................................................................................................................................. 47
Lubrication...................................................................................................................................................................... 47

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