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Operation manual

13

EWYQ080~250DAYN

Packaged air-cooled water chillers

4PW35558-1B

PUMP

FLOATING SETPOINT

LANGUAGE

TIME AND DATE

FREE COOLING

DICN

ADVANCED

DEFROST

SERVICE MENU

Timers menu 

Ó

Safety menu 

π

The "safeties" menu provides useful information for trouble shooting
purposes. The following screens contain basic information.

Along with the basic information, more detailed information screens
can be consulted while the history menu is active. Press the 

 key.

Screens similar to the following will appear. Additionally the number
of safeties that already occurred, can be consulted on the first line of
the history screens.

To define the pump control settings.

To define the dual pump settings.

To define the floating setpoint.

To 

define the controller display

language.

To set the time and date of the system.

To define the free cooling.

The controller displays the name of the
unit: 

MASTER

SLAVE1

  ... 

SLAVE3

.

This name is automatically assigned
depending on the set hardware
address. Refer to "Setting the
addresses" in "Connection and setup of
a DICN system" in the installation
manual.

To define whether or not a password is
needed to enter the setpoints menu and
for switching the unit on and off.

To define the outlook of the main menu,
to set the logout timer and to define
whether or not the buzzer is to be
activated when errors occur.

To  define the backlight time and to
define whether or not graphic readout is
activated.

To activate manual defrost.

To  define the minimum time between
two moments of defrost operation.

To  enter the service menu (only a
qualified installer is allowed to access
this menu).

_v       PUMPCONTROL

PUMPLEADTIME   :020s

PUMPLAGTIME    :060s

DAILY ON:N  AT:12h00

_^        DUAL PUMP

MODE:AUTO ROTATION

OFFSET ON RH   :048h

_  FLOATING SETPOINT

MODE:AMBIENT

MAXPOS:03$0¢ NEG:00$0¢

RF:020$0¢ SLOPE:006$0¢

_           LANGUAGE

PRESS ENTER TO

CHANGE LANGUAGE:

ENGLISH

_      TIME AND DATE

TIME: 22h35

DATE FORMAT:DD/MM/YY

DATE: MON   20/03/06

_       FREE COOLING

MODE:AMBIENT

SP: 05$0¢  DIF:01$0¢

PUMP:ON  LEAD:000s

_÷   MASTER SETTINGS

MODE:NORMAL

OFFSET:0000h

PUMP ON IF:UNIT ON

_v          ADVANCED

PASSWORD NEEDED FOR:

     SETPOINT MENU:Y

       UNIT ON/OFF:Y

_^          ADVANCED

MAIN MENU:GRAPHIC

LOGOUT TIMER  :05min

BUZZER IF SAFETY:YES

_^          ADVANCED

BACKLIGHT TIME:05min

GRAPHIC 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 general
software timer.

To  check the actual value of the
compressor timers of circuit 1. 

To  check the actual value of the
compressor timers of circuit 2 (only for
EWYQ130~250).

To  consult information about the unit
safety which caused the shutdown.

To  consult information about the
circuit 

1 safety which caused the

shutdown.

To  consult information about the
circuit 

2 safety which caused the

shutdown (only for EWYQ130~250).

To  consult information about the
network safety which caused the
shutdown.

To  consult information about the unit
warning which caused the shutdown.

To check the time at the moment of the
unit shutdown and to check which was
the evaporator inlet water temperature
setpoint.

To  check which were the evaporator
inlet, outlet water and ambient tem-
perature at the moment of shutdown.

To  check which was the discharge
temperature of the circuits of circuit 1 at
the moment of shutdown.

To  check which was the discharge
temperature of the circuits of circuit 2 at
the moment of shutdown (only for
EWYQ130~250).

To check which was the temperature of
the refrigerant of circuit 1 at the moment
of shutdown.

To check which was the temperature of
the refrigerant of circuit 2 at the moment
of shutdown (only for EWYQ130~250).

To  check which were the pressures of
circuit 1 and the status of the fans at the
moment of shutdown.

_v    GENERAL TIMERS

LOADUP:000s-DWN:000s

PUMPLEAD   :000s

FLOWSTOP   :00s

_÷ COMPRESSOR TIMERS

 GRD11:000s 12:000s

AREC11:000s 12:000s

M.RT11:000s 12:000s

_^ COMPRESSOR TIMERS

 GRD21:000s 22:000s

AREC21:000s 22:000s

M.RT21:000s 22:000s

_v       UNIT SAFETY

0F0:EMERGENCY STOP

_v   CIRCUIT1 SAFETY

1U1:REV PHASE PROT

_v   CIRCUIT2 SAFETY

1U1:REV PHASE PROT

_v    NETWORK SAFETY

0U4:PCB COMM.PROBLEM

_v      UNIT WARNING

0AE:FLOW HAS STOPPED

_÷  UNIT HISTORY:002

0CA:OUT SENSOR ERR

22h33m00s   23/03/06

  COOL INLSP1:012$0¢

_÷  UNIT HISTORY:002

   INLET WATER:012$0¢

  OUTLET WATER:007$0¢

       AMBIENT:006$5¢

_÷  UNIT HISTORY:002

 C11 DISCHARGE:010$1¢

 C12 DISCHARGE:010$5¢

_÷  UNIT HISTORY:002

 C21 DISCHARGE:010$1¢

 C22 DISCHARGE:010$5¢

_÷  UNIT HISTORY:002

      C1  REFR:000$0¢

      C11 COIL:000$0¢

      C12 COIL:000$0¢

_÷  UNIT HISTORY:002

      C2  REFR:000$0¢

      C21 COIL:000$0¢

      C22 COIL:000$0¢

_÷  UNIT HISTORY:002

HP1:019$0b = 050$0¢

LP1:019$0b = -05$2¢

LOWNOISE:N  FAN1:OFF

Summary of Contents for EWYQ080DAYN

Page 1: ...OPERATION MANUAL EWYQ080DAYN EWYQ100DAYN EWYQ130DAYN EWYQ150DAYN EWYQ180DAYN EWYQ210DAYN EWYQ230DAYN EWYQ250DAYN 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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: ...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...

Page 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...

Page 30: ...4PW35558 1B Copyright Daikin...

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