Daikin EUWAN20KBZW1 - 3.2 Main Functions of the EUWA*5-24 KBZW1 and EUWY*5-24 KBZW1

Wiring Layout ESIE11-02
1–68 Part 1 – System Outline
3
11
4
5
3.2 Main Functions of the EUWA*5-24KBZW1 and EUWY*5-24KBZW1
Main functions The table below describes the components connected to the µC2SE.
Ter-
minal
Signal Connection
Wiring diagram symbol
Description
Connector I/O PCB
X1
Digital
input
ID1-GND X71A
(5-10)
X65A S10L Flow switch
ID2-GND X3M S7S Remote cool/heat
(only for EUWY)
or
Remote dual set-
point
ID3-GND X6A/X7A S1HP/S1HP High-pressure
switch
X8A/X9A Q1D/Q2D Discharge protector
X10A/X11A K4S/K55 Thermal overcurrent
ID4-GND X63A/X64A S4LP/S5LP Low-pressure
switch
ID5-GND X3M S9S Remote ON/OFF
or
Remote dual set-
point
Analog
input
B1-GND X71A
(1-4)
X60A R3T Evaporator inlet
water t°
B2-GND X61A R4T Evaporator outlet
water t°
B3-GND _ _ _
Y1-GND _ _ _
X2
Digital
output
C1/2-NO1 X50A X17A K1M Compressor on
circuit 1
C1/2-NO2 X19A K2M Compressor on
circuit 2
C3/4-NO3 X51A X29A K1P Contact for pump
C3/4-NO4 X5-X6/
X7-X8
Y1R/Y2R Reversing valve
C5-NO5 X70A X1M (1-2) H3P Alarm voltage-free
contact