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EWAQ080~260DAYN
Packaged air-cooled water chillers
4PW35556-1E

Operation manual

Internal wiring - Parts table

Refer to the internal wiring diagram supplied with the unit. The
abbreviations used are listed below:

A01P...................... PCB extension

A02P.............**...... PCB communication (only for option EKACPG)

A4P........................ PCB wired remote controller

A5P...............**...... PCB wired remote controller

(only for option EKRUPG)

A11P,A21P............. PCB main controller circuit 1, circuit 2

A13P,A23P....**...... Frequency inverter circuit 1, circuit 2

(only for option OPIF)

A71P...................... PCB EEV driver

B1PH,B2PH........... High pressure sensor circuit 1, circuit 2

B1PL,B2PL ............ Low pressure sensor circuit 1, circuit 2

DS1........................ PCB DIP-switch

E1HS ............## .... Switch box heater with fan

(only for EWAQ130~260 with option OPIF)

E3H...............**...... Heater tape (only for option OP10)

E4H...............**...... Heater tape (only for options OP10, OPSP,

OPHP and OPTP)

E5H...............* ....... Fieldheater

E6H...............**...... Buffertank heater

(only for option OP10 and OPBT)

E7H...............## .... Switch box heater

(only for 100 with option OPIF)

E11HC,E12HC ...... Crankcase heater compressor circuit 1

E21HC,E22HC ...... Crankcase heater compressor circuit 2

(only for EWAQ130~260)

F1~F3 ...........# ...... Main fuses

F1U........................ Fuse PCB

F4,F5 ............# ...... Fuse for heater

F6B ........................ Autofuse for primary of TR1

F8B ...............**...... Autofuse for switchbox heater

(only for option OPIF)

F9B ........................ Autofuse for secondary of TR1

F11B,F12B ............ Autofuse for compressors (M11C, M12C)

(only for EWAQ130~260)

F14B,F24B ............ Autofuse for fanmotors circuit 1, circuit 2

F15B,F25B ...**...... Autofuse for fanmotors circuit 1, circuit 2

(only for option OPIF)

F16B .............## .... Autofuse for pump (K1P) (only for options OPSP,

OPHP, OPTC, OPTP and OPSC)

F17B .............## .... Autofuse for pump (K2P)

(only for options OPTC and OPTP)

F21B,F22B ............ Autofuse for compressors (M21C, M22C)

(only for EWAQ130~260)

H1P~H6P .....* ....... Indication lamp for changeable digital outputs

H11P,H12P ............ Indication lamp for operation compressor

circuit 1 C11M, C12M

H21P,H22P ............ Indication lamp for operation compressor

circuit 2 C21M, C22M (only for EWAQ130~260)

HAP~HEP.............. LED PCB

K1A,K2A ................ Auxiliary relay for compressor safety circuit 1,

circuit 2

K1P...............## .... Pump contactor (only for options OPSP, OPHP,

OPTC, OPTP and OPSC)

K1R~K22R ............ PCB relay

K1S...............* ....... Overcurrent relay pump

K2P...............## .... Pump contactor

(only for options OPTC and OPTP)

K3A........................ Auxiliary relay for heater tape

K11M,K12M........... Compressor contactor for circuit 1

K13F,K14F ............. Fancontactor for circuit 1

K13S,K14S ............ Fan overcurrent relay for circuit 1

K15F ...................... Fancontactor for circuit 1

(only for 100 and EWAQ180~260)

K15S ...................... Fan overcurrent relay for circuit 1

(only for 100 and EWAQ180~260)

K16F ...................... Fancontactor for circuit 1

(only for 100 and 260)

K16S ...................... Fan overcurrent relay for circuit 1

(only for 100 and 260)

K21M,K22M ........... Compressor contactor for circuit 2

(only for EWAQ130~260)

K23F,K24F ............. Fancontactor for circuit 2

(only for EWAQ130~260)

K23S,K24S ............ Fan overcurrent relay for circuit 2

(only for EWAQ130~260)

K25F ...................... Fancontactor for circuit 2

(only for EWAQ180~260)

K25S ...................... Fan overcurrent relay for circuit 2

(only for EWAQ180~260)

K26F ...................... Fancontactor for circuit 2

(only for 260)

K26S ...................... Fan overcurrent relay for circuit 2

(only for 260)

M1P.............. * ....... Pump motor 1 (only for options OPSP, OPHP,

OPTC and OPTP)

M2P.............. * ....... Pump motor 2

(only for options OPTC and OPTP)

M11C,M12C ........... Compressor motors circuit 1

M13F,M14F ............ Fan motors circuit 1

M15F...................... Fan motors circuit 1

(only for 100 and EWAQ180~260)

M16F...................... Fan motors circuit 1

(only for 100 and 260)

M21C,M22C ........... Compressor motors circuit 2

(only for EWAQ130~260)

M23F,M24F ............ Fan motors circuit 2 (only for EWAQ130~260)

M25F...................... Fan motor circuit 2 (only for EWAQ180~260)

M26F...................... Fan motor circuit 2 (only for 260)

PE .......................... Main earth terminal

Q1T .............. ** ...... Thermostat (only for option OP10)

Q11C,Q12C ........... Thermal protector compressor circuit 1

(only for EWAQ130)

Q11C,Q12C ........... Electronic protection module compressor

circuit 1 (not for EWAQ130)

Q21C,Q22C ........... Thermal protector compressor circuit 2

(only for EWAQ130)

Q21C,Q22C ........... Electronic protection module compressor

circuit 2 (only for EWAQ150~260)

R1T ........................ Ambient temperature sensor

R2T ........................ Inlet water temperature sensor

R3T ........................ Outlet water temperature sensor

R8T .............. * ....... Temperature sensor for changeable analogue

input

R14T ...................... Suction temperature sensor circuit 1

R15T,R25T............. Discharge temperature sensor circuit 1

R17T ...................... Refrigerant piping temperature sensor circuit 1

R34T ...................... Suction temperature sensor circuit 2

(only for EWAQ130~260)

R35T,R45T............. Discharge temperature sensor circuit 2

(only for EWAQ130~260)

R37T ...................... Refrigerant piping temperature sensor circuit 2

(only for EWAQ130~260)

S1A~S3A ............... PCB DIP-switch

S1L......................... Flowswitch

S1M........................ Main isolator switch

S1PH,S2PH ........... High pressure switch circuit 1, circuit 2

S1S~S5S ..... * ....... Switch for changeable digital input

S1T .............. ##..... Thermal contact (only for option OPIF)

S2M.............. #....... Heater tape isolator switch

T1A .............. ** ...... Current transducer (only for option OP57)

Содержание EWAQ080DAYN

Страница 1: ...OPERATION MANUAL EWAQ080DAYN EWAQ100DAYN EWAQ130DAYN EWAQ150DAYN EWAQ180DAYN EWAQ210DAYN EWAQ240DAYN EWAQ260DAYN 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 u...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

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: ...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...

Страница 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...

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