Daikin EKHWSU150B3V3 [14/16] Field wiring diagram

Daikin EKHWSU300B3V3 [14/16] Field wiring diagram
Installation manual
13
EKUHWBB + EKUHW2WB + EKHWSU150-300B3V3
Domestic hot water tank with option kit for air to water heat pump
system
Pressure reducing valve specifications
The pressure drop graphic of the pressure reducing valve is
shown below.
70% back pressure
Open outlet
A Pressure drop (bar)
B Flow rate (l/min)
The outlet flow rates in function of inlet flow and inlet pressure
are shown below.
Outlet flow (l/min)
Field wiring diagram
E4H ........................Booster heater
F2B.........................Fuse booster heater
F2U.........................Fuse 5 A/250 V
K3M ........................Contactor booster heater
L .............................Live
N.............................Neutral
Q2T ........................Thermostat domestic hot water tank
Q2L.........................Thermal protector domestic hot water tank
Q3L.........................Thermal protector booster heater
Y1S.........................Solenoid valve
X1M ........................Terminal block
X5M~X7M ..............Terminal block
..........................Protective earth
...................Field wiring
Static inlet
pressure
(bar)
Inlet flow (l/min)
10 20 30 40 50 60 70 80 90
1 10 18 25 30 34 37 39 40 42
2 10 19 27 34 40 44 48 51 53
3 10 20 28 36 42 48 53 57 60
4 10 20 28 37 44 51 56 61 65
5 10 20 29 37 46 53 60 66 71
0
1
2
3
4
5
6
7
10 20 30 40 50 60 70 80 90
100
0
A
B
Q2T
Q2L
X5M
SR
NL
T
VUW
13 14 1 2
X4M
X2M
K3M
X6M
Q3L
Q2L
E4H
F2U
X7M
F2B
3
4
3
4
domestic hot water tank
electrical box
solenoid
valve
Y1S
EKUHW2WB
unit switch box
2
1
2
1
A2
A1
4P344370-1.book Page 13 Tuesday, April 2, 2013 2:32 PM
4P344370-1B 2019.08

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