Daikin EWAQ080DAYN, Operation Manual

Page 1: ...OPERATION MANUAL EWAQ080DAYN EWAQ100DAYN EWAQ130DAYN EWAQ150DAYN EWAQ180DAYN EWAQ210DAYN EWAQ240DAYN EWAQ260DAYN Packaged air cooled water chillers...

Page 2: ...make sure that it has been properly installed It is therefore necessary to carefully read the installation manual supplied with the unit and the recommendations listed in Checks before initial start u...

Page 3: ...15 15 20 20 13 13 13 13 15 15 15 15 Phase 3 Frequency Hz 50 Voltage V 400 Nominal running current Circuit 1 Circuit 2 A A 39 39 51 51 35 35 35 35 39 39 39 39 Control and fan motor Phase 1 Frequency Hz...

Page 4: ...erature sensor R1T 29 Pump optional 2 Condenser 15 Drier charge valve 30 Buffertank optional 3 Compressor 16 Power supply intake 31 Expansion vessel optional 4 Electronic expansion valve sight glass w...

Page 5: ...ansion valve The expansion valve brings the liquid refrigerant to a pressure at which it can easily be evaporated in the evaporator p p p M12C M11C p p p M22C M21C M15F M13F M14F M25F M23F M24F B1PH B...

Page 6: ...and reliable protection against overheating overloading phase loss and phase reversal The controller will detect the shut down of the compressor The controller needs to be reset manually Reverse phas...

Page 7: ...S Fan overcurrent relay for circuit 1 K15F Fancontactor for circuit 1 only for EWAQ080 100 and EWAQ180 260 K15S Fan overcurrent relay for circuit 1 only for EWAQ080 100 and EWAQ180 260 K16F Fancontact...

Page 8: ...her material 11 Power supply voltage Check the power supply voltage on the local supply panel The voltage should correspond to the voltage on the identification label of the unit 12 Water connection C...

Page 9: ...l operational information on page 9 Adjusting the temperature setpoint on page 10 Resetting the unit on page 10 Setting the language If desired the operating language can be changed to any of the foll...

Page 10: ...ond number stands for the dew point saturation temperature in degrees Celsius LOWNOISE at the bottom of the first screen the status of the lownoise setting is shown Y active or N not active 6 Press th...

Page 11: ...network safeties When a unit or circuit safety occurs the compressor is shut down The safeties menu will indicate which safety is activated The UNIT STATUS screen of the readout menu will indicate OF...

Page 12: ...1 and the capacity of the unit To consult information about the unit status of circuit 2 only for EWAQ130 260 To consult actual operational informa tion about the current Ampere and voltage of the un...

Page 13: ...in BUZZER IF SAFETY YES _ ADVANCED BACKLIGHT TIME 05min GRAPHIC READOUT YES ENTER SERVICE PASSWORD 0000 TO LOGIN To check the actual value of the general software timer To check the actual value of th...

Page 14: ...T HISTORY 002 C21RH 00000hCS 00000 _ UNIT HISTORY 002 C22RH 00000hCS 00000 _ UNIT HISTORY 002 AI1 NONE AI2 NONE _ UNIT HISTORY 002 AI3 NONE AI4 NONE To consult time and date information To consult add...

Page 15: ...nex I on page 25 Defining and activating the control mode The unit is equipped with a thermostat which controls the cooling capacity of the unit Select the appropriate mode MANUAL CONTROL manual contr...

Page 16: ...ntrol The DUAL PUMP screen of the usersettings menu allows the user to define the steering of two pumps for this to be possible a changeable digital output has to be configured for a second pump in th...

Page 17: ...however will only come into operation if another unit is in alarm another unit is in DISCONNECT ON OFF mode the setpoint is not reached when all other units have been running on full capacity for some...

Page 18: ...TIME M RT 120 sec starts counting when the compressor has started During the count down the compressor will not be switched off by the thermostat function To check the actual value of the software tim...

Page 19: ...witch setpoint 1 or setpoint 2 REMOTE ON OFF indicates the position of the remote on off switch CAP LIMIT 25 50 75 SET indicates the position of the enable disable capacity limitation switches LOW NOI...

Page 20: ...to enter and select the next number When pressing the key on the last number the confirmation of the new password is completed TROUBLESHOOTING This section provides useful information for diagnosing a...

Page 21: ...vated and alarm messages are displayed The ON LED is broken Contact your local dealer Message safety menu Symptom POSSIBLE CAUSES CORRECTIVE ACTION One of the following safety devices is activated Com...

Page 22: ...or is not locked RESET After temperature decrease the thermal protector is reset automatically and the compressor will start again This is not detected by the controller If the protector is activated...

Page 23: ...ges are displayed Voltage is too low Test the voltage in the supply panel and if necessary in the electrical compartment of the unit voltage drop due to supply cables is too high POSSIBLE CAUSES CORRE...

Page 24: ...damage and make sure that the hole diameter size all over the filter surface is still 1 0 mm maximum Water sensors Check that all the water sensors are correctly fixed into the inlet and outlet water...

Page 25: ...EWAQ080 260DAYN Packaged air cooled water chillers 4PW35556 1E Operation manual 24 NOTES...

Page 26: ...e DICN setup Example A DICN setup with 2 units means load up requests of maximum 2 compressors at a time INLET CONTROL Default value Lower limit Upper limit Units 1 circuit Units 2 circuits Step diffe...

Page 27: ...TING SETPOINT MODE AMBIENT MAXPOS 03 0 NEG 00 0 RF 020 0 SLOPE 006 0 12 0 C 13 5 C 15 0 C 18 0 C 17 5 C 10 0 C 20 0 C 6 0 C 3 0 C 10 0 C A B AMBIENT _ FLOATING SETPOINT MODE CH AI SLOPE NTC MAXPOS 03...

Page 28: ...0 INLET WATER 013 6 OUTLET WATER 007 0 _v UNIT HISTORY 001 1E6 COMPR 1 SAFETY 22h33m00s 23 03 06 COOL INLSP1 012 0 _ UNIT INFO FAN ST VA Y 2PUMP Y HEATERTAPE Y FAN DO ST 2 DO INV 2 ENTER PASSWORD PAS...

Page 29: ...NE OPEN DO5 NONE OPEN _ UNIT STATUS C11 OFF SAFETY ACT C12 OFF SAFETY ACT UNIT CAPACITY 000 _ UNIT STATUS C21 OFF SAFETY ACT C22 OFF SAFETY ACT _ C1 ACT PRESSURES HP1 019 0b 050 8 LP1 004 4b 05 2 FAN1...

Page 30: ...4PW35556 1E Copyright Daikin...