OPERATION MANUAL
EWYQ080DAYNEWYQ100DAYNEWYQ130DAYNEWYQ150DAYNEWYQ180DAYNEWYQ210DAYNEWYQ230DAYNEWYQ250DAYN
Packaged air-cooled water chillers
Страница 1: ...OPERATION MANUAL EWYQ080DAYN EWYQ100DAYN EWYQ130DAYN EWYQ150DAYN EWYQ180DAYN EWYQ210DAYN EWYQ230DAYN EWYQ250DAYN Packaged air cooled water chillers...
Страница 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...
Страница 3: ...p 15 15 20 20 13 13 13 13 15 15 15 15 Phase 3 Frequency Hz 50 Voltage V 400 Maximum 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...
Страница 4: ...r supply intake 32 Liquid receiver 2 Condenser in cooling mode or evaporator in heating mode 17 Switchbox 33 Pump optional 18 Digital display controller behind service panel 34 Buffer tank optional 3...
Страница 5: ...nters the evaporator via an expansion valve The expansion valve brings the liquid refrigerant to a pressure at which it can easily be evaporated in the evaporator p M12C M11C M15F M13F M14F R14T B1PL...
Страница 6: ...al The controller will detect the shut down of the compressor The controller needs to be reset manually Reverse phase protector general safety device The reverse phase protectors prevent the unit from...
Страница 7: ...ercurrent relay for circuit 1 K15F Fancontactor for circuit 1 only for EWYQ080 100 and EWYQ180 250 K15S Fan overcurrent relay for circuit 1 only for EWYQ080 100 and EWYQ180 250 K16F Fancontactor for c...
Страница 8: ...ally installed protection devices are of the size and type specified in the installation manual Make sure that neither a fuse nor a protection device has been bypassed 3 Earth wiring Make sure that th...
Страница 9: ...k oriented modular structure Apart from the first section which gives a brief description of the controller itself each section or subsection deals with a specific task you can perform with the unit D...
Страница 10: ...n a unit with status NORMAL or STANDBY all other units with status NORMAL or STANDBY will be ON or OFF If the key is pressed on a unit with status DISCONNECT ON OFF only this unit will be ON or OFF Co...
Страница 11: ...ter temperature has not risen enough compared to previous switch off of the compressor FREE COOLING free cooling mode is active TIMER BUSY the actual value of one of the compressor timers is not zero...
Страница 12: ...work safety occurs in a DICN configuration the slaves not detected by the network will function as stand alone units If a slave unit can not be found by the network the red light inside the key of the...
Страница 13: ...l informa tion about the current Ampere and voltage of the unit _v 0U4 013 6 11 12 H 012 0 21 22 H _ COOL INLSP1 012 0 INLET WATER 013 6 OUTLET WATER 007 0 AMBIENT 006 5 _ C1 TEMP READOUT C11 DISCHARG...
Страница 14: ...IC READOUT YES _v MANUAL DEFROST UNIT DEFROST OFF CIR1 DEFROST OFF CIR2 DEFROST OFF _ DEFROST MIN TIME BETWEEN DEFROST NORMAL ENTER SERVICE PASSWORD 0000 TO LOGIN To check the actual value of the gene...
Страница 15: ...2 C12RH 00000hCS 00000 C12C 00000h H 00000h _ UNIT HISTORY 002 C21RH 00000hCS 00000 C21C 00000h H 00000h _ UNIT HISTORY 002 C22RH 00000hCS 00000 C22C 00000h H 00000h _ UNIT HISTORY 002 AI1 NONE AI2 NO...
Страница 16: ...control mode The unit is equipped with a thermostat which controls the cooling or heating capacity of the unit Select the appropriate mode MANUAL CONTROL manual control mode the operator controls the...
Страница 17: ...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...
Страница 18: ...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...
Страница 19: ...counting when the compressor circuit 1 2 has started During the countdown the compressor cannot be restarted MINIMUM RUNNING TIME M RT 120 sec starts counting when the compressor has started During th...
Страница 20: ...h REMOTE COOL HEAT indicates the position of the remote cool heat switch CAP LIMIT 25 50 75 SET indicates the position of the enable disable capacity limitation switches LOW NOISE indicates the status...
Страница 21: ...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 and correcting certain t...
Страница 22: ...y devices are activated 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 device...
Страница 23: ...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...
Страница 24: ...essary in the electrical compartment of the unit voltage drop due to supply cables is too high POSSIBLE CAUSES CORRECTIVE ACTION The sensor is broken or not correctly wired Check if the wiring is acco...
Страница 25: ...er quality refer to the installation manual of the unit for specifications of the water quality Water filters Make sure to clean the water filter in front of the evaporator water inlet once every 4 mo...
Страница 26: ...s load up requests of maximum 2 compressors at a time A Load up request of 1 compressor B No action C Load down request of 1 compressor D Inlet setpoint E Outlet setpoint INLET CONTROL Default value L...
Страница 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...
Страница 28: ...FO FAN ST VA Y 2PUMP Y HEATERTAPE Y FAN DO ST 2 DO INV 2 ENTER PASSWORD PASSWORD 0000 TO LOGIN ENTER PASSWORD PASSWORD 0000 TO LOGIN _ COOLING HEATING MODE COOLING STARTUP BUSY READOUT MENU SETPOINTS...
Страница 29: ...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 OFF _ UNIT HISTORY 002 HP2 019 0b 050 8 LP2 004 4...
Страница 30: ...4PW35558 1B Copyright Daikin...
