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EWYQ080~250DAYN
Packaged air-cooled water chillers
4PW35558-1B

Operation manual

20

Tasks of the login/logout menu

Changing the user password

Access to the usersettings menu and the setpoints menu is protected
by the user password (a 4-digit number between 

0000

 and 

9999

).

After the password is entered, other protected screens do no longer
require the entering of the password.

To log out, go to the login/logout menu and alter the login status and
the logout setting.

To change the user password, proceed as follows:

1

Enter the 

USERPASSWORD MENU.

 (Refer to the chapter 

"How

to enter a menu" on page 8

).

The controller will request the password.

2

Enter the actual correct password using the 

Ì

 and 

 keys.

For each of the 4 digits:
-

Use the 

 and 

Ì

 keys to select the correct number.

-

Press the 

 key to enter and select the next number.

When pressing the 

  key on the last number, the complete

password is entered.

3

After the 

 key has been pressed to confirm the password, the

controller shows the first login/logout screen.

The login status is shown.
The logout is set to 

NO

.

4

When the setting for logout must change to 

YES

.

-

Press the 

 key to position the cursor behind 

LOGOUT?

-

Press the 

 or 

Ì

 keys to change the setting to 

YES

.

-

Press the 

 key to confirm the setting.

The controller leaves the login/logout screen and shows the first
screen of the read out menu.

5

When the setting for logout stays 

NO

, press the 

Ì

 key to enter

the second login/logout screen.

The controller requests for a new password.

6

Press the 

 key to position the cursor behind 

NEW PASSWORD

.

7

Enter the new password using the 

Ì

 and 

 keys.

For each of the 4 digits:
-

Use the 

 and 

Ì

 keys to select the correct number.

-

Press the 

 key to enter and select the next number. 

When pressing the 

 key on the last number, the complete 

new password is entered and the cursor is positioned behind 

CONFIRM

.

The controller requests to confirm the new password.

8

Enter the new password again using the 

Ì

 and 

 keys.

For each of the 4 digits:
-

Use the 

 and 

Ì

 keys to select the correct number.

-

Press the 

 key to enter and select the next number. 

When pressing the 

 key on the last number, the 

confirmation of the new password is completed.

T

ROUBLESHOOTING

This section provides useful information for diagnosing and
correcting certain troubles which may occur in the unit.

Before starting the trouble shooting procedure, carry out a thorough
visual inspection of the unit and look for obvious defects such as
loose connections or defective wiring.

Before contacting your local dealer, read this chapter carefully, it will
save you time and money.

Overview of safety messages

NOTE

The default user password is 

1234

.

NOTE

The actual password will only be changed when the
new password and the confirmed password have the
same value.

If changed on one of the units in a DICN configuration,
this setting is automatically transferred to all the other
units in the network.

When carrying out an inspection on the supply panel or on
the switch box of the unit, always make sure that the circuit
breaker of the unit is switched off.

Message safety menu

Symptom

UNIT SAFETY

0AE:FLOW HAS STOPPED

5.2

0AE:PUMPINTERLOCK

5.3

0A4:FREEZE UP

5.1

0A4:FREEZE UP C1

5.1

0A4:FREEZE UP C2

5.1

0A9:EEV PCB COMM ERR

5.5

0A9:EEV PCB ERR

5.5

0C9:INL SENSOR ERR

7

0CA:OUT SENSOR ERR

7

0H9:AMB T SENSOR ERR

7

0U4:EXTPCB COMM.ERR

9

0U4:MAINPCB COMM.ERR

10

0U5:PCB COMM.PROBLEM

11

CIRCUIT 1 

SAFETY

153:FAN OVERC. ST1

5.4

153:FAN OVERC. ST2

5.4

153:FAN OVERC. ST3

5.4

1A9:EEV ERR

5.5

1A9:SUPERHEAT ERR

5.6

1E3:HIGH PRESSURE SW

5.7

1E4:LOW PRESSURE

5.8

1E6:COMPR 1 SAFETY

5.9b/5.10

1E6:COMPR 2 SAFETY

5.9b/5.10

1F3:HIGH DISCH TEMP1

5.11

1F3:HIGH DISCH TEMP2

5.11

1J3:DISCHSENSOR ERR1

7

1J3:DISCHSENSOR ERR2

7

1J5:REFR SENSOR ERR

7

1J5:SUCTSENSOR ERR

7

1J5:SUCTSENSOR ERRH1

7

1J5:SUCTSENSOR ERRH2

7

1JA:HP SENSOR ERR

7

1JC:LP SENSOR ERR

7

1U1:REV PHASE PROT

5.12

CIRCUIT 2 

SAFETY

253:FAN OVERC. ST1

5.4

253:FAN OVERC. ST2

5.4

253:FAN OVERC. ST3

5.4

2A9:EEV ERR

5.5

2A9:SUPERHEAT ERR

5.6

2E3:HIGH PRESSURE SW

5.7

2E4:LOW PRESSURE

5.8

2E6:COMPR 1 SAFETY

5.9b/5.10

2E6:COMPR 2 SAFETY

5.9b/5.10

2F3:HIGH DISCH TEMP1

5.11

2F3:HIGH DISCH TEMP2

5.11

2J3:DISCHSENSOR ERR1

7

2J3:DISCHSENSOR ERR2

7

2J5:REFR SENSOR ERR

7

2J5:SUCTSENSOR ERR

7

2JA:HP SENSOR ERR

7

2JC:LP SENSOR ERR

7

2U1:REV PHASE PROT

5.12

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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