5 Electrical installation
Installation manual
21
EWSAH/X06UDA9W
Daikin Altherma 3 WS
4P675760-1 – 2021.10
1
Top panel
3
2
5
1
4
2
User interface panel
3
Front panel
4
Installer switch box cover
5
Main switch box cover
2
Connect the alarm output cable to the appropriate terminals as
shown in the illustration below. Make sure to put wires 2 and 3
between the installer switch box and main switch box in a cable
sleeve (field supply) so that they are double insulated.
14a 21
YC
Y2
X2M
1
2
3
2
A4P
b
a
1+2
Wires connected to the alarm
output
3
Wire between the installer
switch box and main switch
box
a
Installation of EKRP1HBAA is
required.
b
Cable sleeve (field supply)
1×
2×
2
1
1×
b
a
X2M
14a
21
L
N
YC
Y2
1
2
3
1×
1×
b
3
Fix the cable with cable ties to the cable tie mountings.
5.10
To connect the changeover to
external heat source
INFORMATION
Bivalent is only possible in case of 1 leaving water
temperature zone with:
▪ room thermostat control, OR
▪ external room thermostat control.
Wires: 2×0.75 mm²
Maximum load: 0.3 A, 250 V AC
Minimum load: 20 mA, 5 V DC
[9.C]
Bivalent
1
"3.2.1 To open the indoor unit"
1
Top panel
3
1
2
4
2
User interface panel
3
Front panel
4
Main switch box cover
2
Connect the changeover to external heat source cable to the
appropriate terminals as shown in the illustration below.
