Daikin EUWL KZW1 Series Service Manual page 58

Wiring Layout
1 1
Components
3
4
5
1–50
The table below describes the components.
Wiring diagram
Connector
symbol
X1A (L1, N, L3)
X2A TR Pri.
X3A TR. Sec
X4A TR Pri.
X5A TR. Sec
X6A S1HP
X7A S2HP
X8A Q1D
X9A Q2D
X10A K4S
X11A K5S
X16A Y1S
X17A K1M
X18A Y2S
X19A K2M
X28A K6S
X30A S10L
X50A X2 (C1/2, No1, No2)
X51A X2 (C3/4, No3, No4)
X52A K1M
X53A K2M
X55A (G, GO)
X56A (N, L3)
X60A R3T
X61A R4T
X62A R5T
X63A S4LP
X64A S5LP
X65A S10L
X66A X66A
X70A X2 (C5, No5)
Description
Power supply L1, N, L3
Transformer primary
Transformer secondary
Transformer primary
Transformer secondary
High pressure switch of circuit 1
High pressure switch of circuit 2
Discharge thermal protector of circuit 1
Discharge thermal protector of circuit 2
(NC) Overcurrent relay of circuit 1
(NC) Overcurrent relay of circuit 2
Liquid solenoid valve (only for RC unit)
Compressor contactor (coil) of circuit 1
NC contact of K1M
Liquid solenoid valve (only for RC unit)
Compressor contactor (coil) of circuit 2
NC contact of K2M
(NC) Overcurrent relay of pump
Flow contactor
To A1P µchiller compact
To A1P µchiller compact (pump + reverse valve)
NO contact of K1M
NO contact of K2M
Power supply to µchiller compact
Power supply for evaporator heater tape
Evaporator inlet water temperature sensor
Evaporator outlet water temperature sensor
Cond. inlet water temperature sensor
Low pressure switch circuit 1
Low pressure switch circuit 2
Flow contact
No use (shortcut)
To A1P (C5, No5)
ESIE-0303
Part 1 – System Outline