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EWYQ080~250DAYN
Packaged air-cooled water chillers
4PW35558-1B
Operation manual
6
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,A72P............. PCB EEV driver
A73P...................... PCB EEV driver (only for 250)
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 EWYQ130~250 with option OPIF)
E3H...............**...... Heater tape (only for option OP10)
E4H...............**...... Heater tape
(only for option OP10, OPSP, OPHP or OPTP)
E5H...............* ....... Field heater
E6H...............**...... Buffer tank heater
(only for option OP10 or 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 EWYQ130~250)
F1~F3 ...........# ...... Main fuses
F1U........................ Fuse for 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 EWYQ130~250)
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 option OPSP,
OPHP, OPSC, OPTC and OPTP)
F17B .............**...... Autofuse for pump (K2P)
(only for options OPTC and OPTP)
F21B,F22B ............ Autofuse for compressors (M21C, M22C)
H1P~H6P .....* ....... Indication lamp for changeable digital outputs
H11P,H12P ...* ....... Indication lamp for operation compressor
circuit 1 M11C, M12C
H21P,H22P ...* ....... Indication lamp for operation compressor
circuit 2 M21C, M22C
HAP~HEP.............. LED PCB
K1A,K2A ................ Auxiliary relay for compressor safety circuit 1,
circuit 2
K1P...............## .... Pump contactor (only for option OPSP, OPHP,
OPSC, OPTC and OPTP)
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 EWYQ180~250)
K15S ...................... Fan overcurrent relay for circuit 1
(only for 100 and EWYQ180~250)
K16F ...................... Fancontactor for circuit 1
(only for 100 and 250)
K16S ...................... Fan overcurrent relay for circuit 1
(only for 100 and 250)
K21M,K22M ........... Compressor contactor for circuit 2
(only for EWYQ130~250)
K23F,K24F ............. Fancontactor for circuit 2
(only for EWYQ130~250)
K23S,K24S ............ Fan overcurrent relay for circuit 2
(only for EWYQ130~250)
K25F ...................... Fancontactor for circuit 2
(only for EWYQ180~250)
K25S ...................... Fan overcurrent relay for circuit 2
(only for EWYQ180~250)
K26F ...................... Fancontactor for circuit 2
(only for 250)
K26S ...................... Fan overcurrent relay for circuit 2
(only for 250)
M1F........................ Cooling fan for switch box
M1P.............. ** ...... Pump motor 1(only for option OPSP, OPHP,
OPSC, OPTC and OPTP)
M2P.............. ** ...... Pump motor 2
(only for option OPTC and OPTP)
M11C,M12C ........... Compressor motors circuit 1
M13F,M14F ............ Fan motors circuit 1
M15F...................... Fan motors circuit 1
(only for 100 and EWYQ180~250)
M16F...................... Fan motors circuit 1
(only for 100 and 250)
M21C,M22C ........... Compressor motors circuit 2
(only for EWYQ130~250)
M23F,M24F ............ Fan motors circuit 2 (only for EWYQ130~250)
M25F...................... Fan motor circuit 2 (only for EWYQ180~250)
M26F...................... Fan motor circuit 2 (only for 250)
PE .......................... Main earth terminal
Q1T .............. ** ...... Thermostat (only for option OP10)
Q11C,Q12C ........... Electronic protection module compressor
circuit 1 (not for EWYQ130)
Q21C,Q22C ........... Electronic protection module compressor
circuit 2 (only for EWYQ150~250)
R1T ........................ Ambient temperature sensor
R2T ........................ Inlet water temperature sensor
R3T ........................ Outlet water temperature sensor
R8T .............. * ....... Temperature sensor for changeable analogue
input
R14T,R34T............. Suction temperature sensor circuit 1, circuit 2
R15T,R25T............. Discharge temperature sensor circuit 1
R16T,R36T............. Coil temperature sensor circuit 1, circuit 2
R17T,R37T............. Refrigerant piping temperature sensor circuit 1,
circuit 2
R18T,R38T............. Heating suction temperature sensor circuit 1,
circuit 2
R26T ...................... Coil temperature sensor circuit 1
(only for 100 and 250)
R28T,R48T............. Heating suction temperature sensor circuit 1,
circuit 2 (only for 100 and
250)
R35T,R45T............. Discharge temperature sensor circuit 2
(only for EWYQ130~250)
R37T ...................... Refrigerant piping temperature sensor circuit 2
(only for EWYQ130~250)
R38T ...................... Heating suction temperature sensor circuit 2
(not for 100)
R46T ...................... Coil temperature sensor circuit 2
(only for 250)
Summary of Contents for EWYQ080DAYN
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