Daikin EWWD120MBYNN, Operation Manual

Page 1: ...OPERATION MANUAL EWWD120MBYNN EWWD180MBYNN EWWD240MBYNN EWWD280MBYNN EWWD360MBYNN EWWD440MBYNN EWWD500MBYNN EWWD520MBYNN EWWD540MBYNN Packaged water cooled water chillers...

Page 2: ...Y KEEP IT IN YOUR FILES FOR FUTURE REFERENCE Before starting up the unit for the first time make sure that it has been properly installed It is therefore necessary to carefully read the installation m...

Page 3: ...0 Condensor Type shell tube Qtyxmodel 2x CDEW400 1x CDEW400 1x CDEW450 2x CDEW450 Evaporator Type brased plate heatexchanger Qtyxmodel 2x AC250EQ NP128 1x AC250EQ NP128 1x AC250EQ NP162 2x AC250EQ NP...

Page 4: ...harge stopvalve 3 Condenser 19 Condensor entering water temperature sensor 4 Switchbox 20 Digital display controller 5 Compressor switchbox 21 Emergency stop 6 Air purge condenser 22 Power supply inta...

Page 5: ...ion of the evaporator is to take heat from the water that flows through it This is done by turning the liquid refrigerant coming from the condenser into gaseous refrigerant Water in outlet connection...

Page 6: ...essure relief safety valve The safety valve is activated when the pressure in the refrigerant circuit becomes too high If this occurs shut down the unit and contact your local dealer High pressure swi...

Page 7: ...ield wiring Make sure that the field wiring between the local supply panel and the unit has been carried out according to the instructions described in the installation manual according to the wiring...

Page 8: ...phanumeric display may decrease at low temperatures OPERATION The EWWD120 540 units are equipped with a digital controller offering a user friendly way to set up use and maintain the unit This part of...

Page 9: ...tialization cycle is started Once all the timers have reached zero the unit starts up When the remote ON OFF control parameter is set to YES the following table applies 2 If the water chiller does not...

Page 10: ...frigerant in circuit 1 respectively circuit 2 The first number stands for the pressure in bar the second number stands for the saturation temperature in degrees Celsius low pressure of the refrigerant...

Page 11: ...rcuits The red LED inside the p key lights up and the buzzer inside the controller is activated When a circuit safety occurs the compressor of the corresponding circuit is shut down The screen of the...

Page 12: ...n the first screen of the network menu To consult information about the outlet water temperature of the evaporator of circuit 1 and 2 only for EWWD360 540 To consult information about the unit status...

Page 13: ...information about the network safety which caused the shutdown To consult information about the dual pump wich caused the shutdown To check the time and control mode at the moment of the unit shutdown...

Page 14: ...evaporator and or condenser entering water temperature to control the capacity of the unit outlet control mode uses the evaporator leaving water temperature to control the capacity of the unit To chec...

Page 15: ...their setting needs to be reset to See User settings menu on page 11 The screen of the user settings menu allows the user to define the schedule timer settings Each day of the week can be appointed to...

Page 16: ...rd each time he wants to change the setpoint Defining BMS control allows the user to control the unit from a supervisory system The screen and screen of the service menu have to be used to set BMS par...

Page 17: ...the latest shutdown To check the safety info and the unit status proceed as follows 1 Enter the Refer to the chapter How to enter a menu on page 8 The controller enters the last screen which contains...

Page 18: ...e g and h keys 6 Press q to confirm the new password When the new password has been confirmed the controller will ask to enter the new password a second time for safety reasons The cursor is positione...

Page 19: ...panel or measure the supply voltage Voltage too low Measure the supply voltage Overload of motor Reset If the failure persists call your local dealer RESET Push the blue button on the over current rel...

Page 20: ...apacity of the unit is too low Call your local dealer Water flow is too high Recalculate the water flow The circuit is limited Check the enable disable capacity limitation remote contact POSSIBLE CAUS...

Page 21: ...perly and that the earth terminals are tightened Refrigerant circuit Check for leaks inside the unit In case a leak is detected call your local dealer Check the working pressure of the unit Refer to p...

Page 22: ...to the settings in group 2 all Saturdays and Sundays will work according to the settings in group 3 all holiday days will work according to the settings in the holiday group All group settings of gro...

Page 23: ...1 1 q h q q g h h h g h g h g h g h h g h g 2 0 1 1 1 1 g g h g g h g h g h g h g h g h g g h g h g h g h h g g 1 f 3 3 1 4 3 3 1 3 3 3 3 3 3 3 3 3 2 3 3 3 3 g h g h g h q h h g q h g h g h g h g h g...

Page 24: ...Zandvoordestraat 300 B 8400 Oostende Belgium 4PW22685 1...