Daikin EUWL12KZW [18/21] Wiring diagrams
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Daikin EUWL12KZW [18/21] Wiring diagrams

Daikin EUWL12KZW [18/21] Wiring diagrams
9
Wiring diagrams
EUWL5-24KZW
1TW55256-1A
Only for 16-24HP
1 2345678910111213141516
A
B
C
D
E
F
G
H
j
3
For16-24HP
j
3
For5-12HP
j
3
For5-12HP
j
3
For16-24HP
Only
for RC Units
Only for RC Units
Only for RC Units
Only for RC Units
To microchiller compact
Address card
Serial line to
gateway
Option kit EKRUMC
Remote user interface
Option kit EKAC10A
Only for 16-24HP
Only for 16-24HP
Only for RC Units
Only for RC Units
Only for 16-24HP
Fuses + overcurrent
All models (400V)
5HP 8HP 10HP 12HP 16HP 20HP 24HP
F1, F2, F3 (=gL/gG) 3x16A 3x20A 3x25A 3x32A 3x40A 3x50A 3x50A
F4 8A 8A 8A 8A 8A 8A 8A
F5 125maT 125maT 125maT 125maT 125maT 125maT 125maT
F1U 5A 5A 5A 5A 5A 5A 5A
F3U 315maT 315maT 315maT 315maT 315maT 315maT 315maT
K4S 9A 14A 18A 20A 14A 18A 20A
K5S ----14A18A20A
A2P A1P
Digital inputs
Dl1 Reverse phase detection (L1-N)
Dl2 Reverse phase detection (N-L3)
Dl3 M1C ON detection
Dl4 M2C ON detection
Dl5 Safety device detection
Dl6 Pump ON detection
Dl7 --
Dl8 --
Dl9 --
Dl10 Reverse valve request
Digital inputs
X1 (lD1-GND): Flow switch
X1 (lD2-GND): Remote C/H selection
X1 (lD3-GND): High pressure switch + discharge protector
+ overcurrent
X1 (lD4-GND): Low pressure switch
X1 (lD5-GND): Remote On/Off
Digital outputs (Relays)
RY1 Reversed phase protector
RY3 Pump / general operation
RY9 M1C Off during defrost
RY10 M2C Off during defrost
RY27 Reversing valve of water circuit
Digital outputs (Relays)
X2 (C1/2-N01): Compressor M1C on
X2 (C1/2-N02): Compressor M2C on
X2 (C3/4-N03): Voltage free contact for pump
X2 (C3/4-N04): Reversing valve
X2 (C5-N05): Alarm voltage free contact
Others
HAP Light emitting diode (service monitor green)
H1P,H2P Light emitting diode (service monitor red)
S1A Dipswitch (unit setting)
S2A Dipswitch (defr. & fan settting)
Analog inputs
X1 (B1-GND): Inlet water °t
X1 (B2-GND): Outlet water °t
X1 (B3-GND)
Analog output
X1 (Y-GND)
NOTES
(1) d1 Terminal 1
(2) W Wire 2
(3) F Field wiring, to be in
accordance with the local
electrical regulations
(4) C Earth wiring
(5)
Option
(6)
PCB-display
(7)
Outside switchbox
(8) If compressor rotates reversely, it may be
damaged.
Not standard included
Not poss. as option Poss. as option
Obligatory # ##
Not obligatory ∗∗∗
Y3R Reverse valve circuit 1, circuit 2
Y1S Liquid solenoid valve circuit 1, circuit 2
X1-B2(A/B/M) Connectors
TR2 Transfo 230V → 24V for supply of 1/0 PCB
TR1 Transfo 230V → 24V for supply of controller PCB
S12M Main isolator switch
S10L Flowswitch
S9S* Switch for remote start/stop
S7S* Switch for cool/heat selection
S4LP,S5LP Low pressure switch circuit 1, circuit 2
S1HP,S2HP High pressure switch circuit 1, circuit 2
R5T Ambient temperature sensor
R4T Evaporator outlet water temperature sensor
R3T Evaporator inlet water temperature sensor
Q1D,Q2D Discharge thermal protector circuit 1, circuit 2
PE Main earth terminal
M1C,M2C Compressor motor circuit 1, circuit 2
K1P Pumpcontactor
K1F,K2F Fan contactor
K6S Overcurrent relay pump
K4S,K5S Overcurrent relay circuit 1, circuit 2
K1M,K2M Compressor contactor circuit 1, circuit 2
H6P* Indication lamp general operation
H5P* Indication lamp operation compressor 1
H4P* Indication lamp operation compressor 2
H3P* Indication lamp alarm
F3U Fuse controller PCB
F1U Fuse i/o PCB
F6(#) Fuse for pumpcontactor
F5## Automatic fuse for the primary of TR1 + control circuit
F4 Fuse I/O PCB & evaporator heatertape (Input/Output)
F1,F2,F3# Main fuses for the unit
E1H,E2H Crankcase heater circuit 1, circuit 2
A7P** PCB Remote user interface
A5P,A6P** PCB softstarter for circuit 1, circuit 2
A3P** Address card
A2P PCB i/o PCB
A1P PCB Controller
(9) OPTIONAL
M EKAC30A = Address card kit for BMS-connections
M EKSS = Soft starter
M EKRUMC = Remote user interface
(10) Terminals for fieldwiring
X1M: H3-6P,Y3K,K1-2F Output terminals for
field wiring
(Voltage free contact max 2A/output)
X3M: S7S, S9S: Input terminal for fieldwiring
(don’t connect voltage)
(switch load 6mA / 30VDC)
(11) Y3R Is activated in cooling mode
S7S Open = Heating
S7S Closed = Heating
(12) dipswitch: Unit setting
(13) Pump contact
Cable
shield
Defrost temp.
S2A
Unit
S1A
Only for
16-24HP
Defrost temp.
Unit
•
Remote condenser • R-407C • EUWL5-24KZW
•
Remote condenser • R-407C • EUWL5-24KZW
9
Wiring diagrams
1
9
16
• Applied Systems • Chillers
• Applied Systems • Chillers

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